7 Commits

73 changed files with 6161 additions and 100 deletions

View File

@@ -12,27 +12,49 @@ public class HeuristicEventMatchingEngine implements EventMatchingEngine {
return false;
}
String triggerEvent = simplify(triggerPoint.getEvent());
String rawTriggerEvent = triggerPoint.getEvent();
String smEventRaw = stateMachineEvent.fullIdentifier() != null ? stateMachineEvent.fullIdentifier() : stateMachineEvent.rawName();
String smEvent = simplify(smEventRaw);
boolean isWildcard = isWildcardVariable(triggerEvent);
boolean isWildcard = isWildcardVariable(rawTriggerEvent);
List<String> polyEvents = triggerPoint.getPolymorphicEvents() != null ? triggerPoint.getPolymorphicEvents() : java.util.Collections.emptyList();
boolean hasPolyMatch = false;
for (String pe : polyEvents) {
if (pe.contains(".") && smEventRaw.contains(".")) {
if (smEventRaw.equals(pe) || smEventRaw.endsWith("." + pe)) {
hasPolyMatch = true;
break;
}
continue; // Stricter matching: do not fallback if both have qualifiers but don't match
}
String simplePe = pe;
if (pe.contains(".")) {
simplePe = pe.substring(pe.lastIndexOf('.') + 1);
}
if (simplePe.equals(smEventRaw) || simplePe.equals(smEvent)) {
String simplifiedPe = simplify(simplePe);
if (simplePe.equals(smEventRaw) || simplePe.equals(smEvent) ||
simplePe.equalsIgnoreCase(smEvent) || simplifiedPe.equalsIgnoreCase(smEvent)) {
hasPolyMatch = true;
break;
}
}
return hasPolyMatch || smEvent.equals(triggerEvent) || (polyEvents.isEmpty() && isWildcard);
if (hasPolyMatch) return true;
if (polyEvents.isEmpty() && isWildcard) return true;
if (rawTriggerEvent.contains(".") && smEventRaw.contains(".")) {
if (smEventRaw.equals(rawTriggerEvent) || smEventRaw.endsWith("." + rawTriggerEvent)) {
return true;
}
return false;
}
String triggerEvent = simplify(rawTriggerEvent);
return smEvent.equals(triggerEvent);
}
private boolean isWildcardVariable(String eventStr) {

View File

@@ -0,0 +1,22 @@
package click.kamil.springstatemachineexporter.analysis.resolver;
import click.kamil.springstatemachineexporter.analysis.model.TriggerPoint;
import click.kamil.springstatemachineexporter.ast.common.CodebaseContext;
import java.util.List;
public interface PolymorphicEventResolver {
/**
* Attempts to resolve a dynamically passed event variable into a set of
* concrete polymorphic event names.
*
* @param triggerPoint The original trigger point to resolve.
* @param resolvedValue The current String expression (e.g., "event.getType()" or "event")
* @param path The call path trace leading up to this variable.
* @param context The codebase context for deep type resolution.
* @return The updated TriggerPoint with polymorphic events set, or the original if unable to resolve.
*/
TriggerPoint resolvePolymorphicEvents(TriggerPoint triggerPoint, String resolvedValue, List<String> path, CodebaseContext context);
}

View File

@@ -325,6 +325,10 @@ public class GenericEventDetector {
}
}
if (expr instanceof ClassInstanceCreation cic) {
return cic.getType().toString();
}
if (!(expr instanceof MethodInvocation mi)) return null;
// Trace back chain: MessageBuilder.withPayload(event).setHeader(...).build()

View File

@@ -63,14 +63,9 @@ public class HeuristicCallGraphEngine implements CallGraphEngine {
String methodSuffix = "";
// Extract method calls like .getType() so we can trace the base parameter
int dotIndex = currentParamName.indexOf('.');
if (dotIndex > 0 && dotIndex + 1 < currentParamName.length()) {
char nextChar = currentParamName.charAt(dotIndex + 1);
if (Character.isLowerCase(nextChar)) {
methodSuffix = currentParamName.substring(dotIndex);
currentParamName = currentParamName.substring(0, dotIndex);
}
}
String[] extractedEntry = extractMethodSuffix(currentParamName, methodSuffix);
currentParamName = extractedEntry[0];
methodSuffix = extractedEntry[1];
// Walk backwards up the call chain
for (int i = path.size() - 1; i > 0; i--) {
@@ -84,11 +79,9 @@ public class HeuristicCallGraphEngine implements CallGraphEngine {
String tracedVar = traceLocalVariable(target, currentParamName);
if (tracedVar != null && !tracedVar.equals(currentParamName)) {
// Extract method calls like .getType() from the traced variable
int dotIdx = tracedVar.indexOf('.');
if (dotIdx > 0 && dotIdx + 1 < tracedVar.length() && Character.isLowerCase(tracedVar.charAt(dotIdx + 1))) {
methodSuffix = tracedVar.substring(dotIdx) + methodSuffix;
tracedVar = tracedVar.substring(0, dotIdx);
}
String[] extractedTraced = extractMethodSuffix(tracedVar, methodSuffix);
tracedVar = extractedTraced[0];
methodSuffix = extractedTraced[1];
currentParamName = tracedVar;
resolvedValue = tracedVar + methodSuffix;
paramIndex = getParameterIndex(target, currentParamName);
@@ -108,11 +101,9 @@ public class HeuristicCallGraphEngine implements CallGraphEngine {
String arg = edge.getArguments().get(paramIndex);
if (arg != null) {
// If the argument passed has a method call, extract it
int dotIdx = arg.indexOf('.');
if (dotIdx > 0 && dotIdx + 1 < arg.length() && Character.isLowerCase(arg.charAt(dotIdx + 1))) {
methodSuffix = arg.substring(dotIdx) + methodSuffix;
arg = arg.substring(0, dotIdx);
}
String[] extractedArg = extractMethodSuffix(arg, methodSuffix);
arg = extractedArg[0];
methodSuffix = extractedArg[1];
currentParamName = arg;
resolvedValue = arg + methodSuffix;
found = true;
@@ -129,35 +120,145 @@ public class HeuristicCallGraphEngine implements CallGraphEngine {
String entryMethod = path.get(0);
int entryParamIndex = getParameterIndex(entryMethod, currentParamName);
if (entryParamIndex < 0) {
// Intercept local setter before falling back to initializer
if (methodSuffix.startsWith(".get") || methodSuffix.equals(".type") || methodSuffix.equals(".event") || methodSuffix.equals(".type()") || methodSuffix.equals(".event()")) {
String localMethodName = methodSuffix.substring(1).replace("()", "");
org.eclipse.jdt.core.dom.Expression localSetterExpr = traceLocalSetter(entryMethod, currentParamName, localMethodName);
if (localSetterExpr != null) {
List<String> setterEvents = new ArrayList<>();
extractConstantsFromExpression(localSetterExpr, setterEvents);
if (!setterEvents.isEmpty()) {
return TriggerPoint.builder()
.event(tp.getEvent())
.className(tp.getClassName())
.methodName(tp.getMethodName())
.sourceFile(tp.getSourceFile())
.sourceModule(tp.getSourceModule())
.stateMachineId(tp.getStateMachineId())
.sourceState(tp.getSourceState())
.lineNumber(tp.getLineNumber())
.polymorphicEvents(setterEvents)
.build();
}
}
}
String tracedVar = traceLocalVariable(entryMethod, currentParamName);
if (tracedVar != null && !tracedVar.equals(currentParamName)) {
int dotIdx = tracedVar.indexOf('.');
if (dotIdx > 0 && dotIdx + 1 < tracedVar.length() && Character.isLowerCase(tracedVar.charAt(dotIdx + 1))) {
methodSuffix = tracedVar.substring(dotIdx) + methodSuffix;
tracedVar = tracedVar.substring(0, dotIdx);
}
String[] extractedFinalTraced = extractMethodSuffix(tracedVar, methodSuffix);
tracedVar = extractedFinalTraced[0];
methodSuffix = extractedFinalTraced[1];
currentParamName = tracedVar;
resolvedValue = tracedVar + methodSuffix;
}
}
List<String> polymorphicEvents = new ArrayList<>();
if (resolvedValue.matches(".*\\.[a-zA-Z0-9_]+\\(\\)")) {
int lastDot = resolvedValue.lastIndexOf('.');
int firstDot = resolvedValue.indexOf('.');
int openParen = resolvedValue.indexOf('(', lastDot);
if (lastDot > 0 && openParen > lastDot) {
String varName = resolvedValue.substring(0, firstDot);
if (varName.contains("(")) {
varName = null;
if (resolvedValue.startsWith("ENUM_SET:")) {
for (String eVal : resolvedValue.substring(9).split(",")) {
String parsed = parseEnumSetElement(eVal);
if (!polymorphicEvents.contains(parsed)) polymorphicEvents.add(parsed);
}
return TriggerPoint.builder()
.event(tp.getEvent())
.className(tp.getClassName())
.methodName(tp.getMethodName())
.sourceFile(tp.getSourceFile())
.sourceModule(tp.getSourceModule())
.stateMachineId(tp.getStateMachineId())
.sourceState(tp.getSourceState())
.lineNumber(tp.getLineNumber())
.polymorphicEvents(polymorphicEvents)
.build();
}
String methodName = resolvedValue.substring(lastDot + 1, openParen);
// Parse resolvedValue using JDT to robustly handle complex expressions
org.eclipse.jdt.core.dom.ASTParser exprParser = org.eclipse.jdt.core.dom.ASTParser.newParser(org.eclipse.jdt.core.dom.AST.getJLSLatest());
exprParser.setSource(resolvedValue.toCharArray());
exprParser.setKind(org.eclipse.jdt.core.dom.ASTParser.K_EXPRESSION);
org.eclipse.jdt.core.dom.ASTNode exprNode = exprParser.createAST(null);
System.out.println("resolvedValue = " + resolvedValue + " exprNode=" + exprNode.getClass().getSimpleName());
String varName = null;
String methodName = null;
String declaredType = null;
String sourceMethod = null;
if (varName != null) {
if (exprNode instanceof org.eclipse.jdt.core.dom.MethodInvocation mi) {
methodName = mi.getName().getIdentifier();
if (mi.getExpression() instanceof org.eclipse.jdt.core.dom.SimpleName sn) {
varName = sn.getIdentifier();
} else if (mi.getExpression() instanceof org.eclipse.jdt.core.dom.ParenthesizedExpression pe &&
pe.getExpression() instanceof org.eclipse.jdt.core.dom.CastExpression ce &&
ce.getExpression() instanceof org.eclipse.jdt.core.dom.SimpleName sn) {
varName = sn.getIdentifier();
declaredType = ce.getType().toString();
sourceMethod = "inline-cast";
} else if (mi.getExpression() instanceof org.eclipse.jdt.core.dom.ClassInstanceCreation cic) {
declaredType = click.kamil.springstatemachineexporter.ast.common.AstUtils.extractSimpleTypeName(cic.getType());
sourceMethod = "inline-instantiation";
} else {
// Fallback for complex chained expressions
String exprStr = mi.getExpression() != null ? mi.getExpression().toString() : "";
if (!exprStr.contains("(")) {
varName = exprStr;
}
}
} else if (exprNode instanceof org.eclipse.jdt.core.dom.ClassInstanceCreation cic) {
declaredType = click.kamil.springstatemachineexporter.ast.common.AstUtils.extractSimpleTypeName(cic.getType());
sourceMethod = "inline-instantiation";
polymorphicEvents.add(declaredType); // Track the payload type as the event
} else if (exprNode instanceof org.eclipse.jdt.core.dom.ConditionalExpression cond) {
if (cond.getThenExpression() instanceof org.eclipse.jdt.core.dom.ClassInstanceCreation cicThen) {
polymorphicEvents.add(click.kamil.springstatemachineexporter.ast.common.AstUtils.extractSimpleTypeName(cicThen.getType()));
}
if (cond.getElseExpression() instanceof org.eclipse.jdt.core.dom.ClassInstanceCreation cicElse) {
polymorphicEvents.add(click.kamil.springstatemachineexporter.ast.common.AstUtils.extractSimpleTypeName(cicElse.getType()));
}
sourceMethod = "inline-ternary";
declaredType = polymorphicEvents.isEmpty() ? null : polymorphicEvents.get(0);
} else if (exprNode instanceof org.eclipse.jdt.core.dom.SimpleName sn) {
varName = sn.getIdentifier();
methodName = "VariableReference"; // We just want to trigger deep trace
} else if (exprNode instanceof org.eclipse.jdt.core.dom.ParenthesizedExpression pe &&
pe.getExpression() instanceof org.eclipse.jdt.core.dom.CastExpression ce &&
ce.getExpression() instanceof org.eclipse.jdt.core.dom.ClassInstanceCreation cic) {
declaredType = click.kamil.springstatemachineexporter.ast.common.AstUtils.extractSimpleTypeName(cic.getType());
sourceMethod = "inline-instantiation";
polymorphicEvents.add(declaredType);
} else if (exprNode instanceof org.eclipse.jdt.core.dom.CastExpression ce &&
ce.getExpression() instanceof org.eclipse.jdt.core.dom.ClassInstanceCreation cic) {
declaredType = click.kamil.springstatemachineexporter.ast.common.AstUtils.extractSimpleTypeName(cic.getType());
sourceMethod = "inline-instantiation";
polymorphicEvents.add(declaredType);
}
if (methodName != null) {
System.out.println("Checking local setter for: varName=" + varName + " methodName=" + methodName + " entryMethod=" + entryMethod);
if (varName != null && !varName.isEmpty() && Character.isLowerCase(varName.charAt(0)) && !methodName.equals("VariableReference")) {
org.eclipse.jdt.core.dom.Expression localSetterExpr = traceLocalSetter(entryMethod, varName, methodName);
System.out.println("localSetterExpr = " + (localSetterExpr != null ? localSetterExpr.toString() : "null"));
if (localSetterExpr != null) {
extractConstantsFromExpression(localSetterExpr, polymorphicEvents);
System.out.println("Extracted from setter: " + polymorphicEvents);
if (!polymorphicEvents.isEmpty()) {
return TriggerPoint.builder()
.event(tp.getEvent())
.className(tp.getClassName())
.methodName(tp.getMethodName())
.sourceFile(tp.getSourceFile())
.sourceModule(tp.getSourceModule())
.stateMachineId(tp.getStateMachineId())
.sourceState(tp.getSourceState())
.lineNumber(tp.getLineNumber())
.polymorphicEvents(polymorphicEvents)
.build();
}
}
}
if (varName != null && declaredType == null) {
for (String methodFqn : path) {
declaredType = getVariableDeclaredType(methodFqn, varName);
if (declaredType != null) {
@@ -165,17 +266,12 @@ public class HeuristicCallGraphEngine implements CallGraphEngine {
break;
}
}
} else {
String baseExpr = resolvedValue.substring(0, lastDot);
if (baseExpr.contains("new ")) {
int newIdx = baseExpr.indexOf("new ");
int openParenBase = baseExpr.indexOf('(', newIdx);
if (openParenBase > newIdx) {
declaredType = baseExpr.substring(newIdx + 4, openParenBase).trim();
if (declaredType.contains("<")) {
declaredType = declaredType.substring(0, declaredType.indexOf('<'));
}
sourceMethod = "inline-instantiation";
// If it wasn't a variable, it might be a static method call (e.g., EventBuilder.buildEvent())
if (declaredType == null && varName.matches("^[A-Z].*")) {
org.eclipse.jdt.core.dom.TypeDeclaration staticTd = context.getTypeDeclaration(varName);
if (staticTd != null) {
declaredType = context.getFqn(staticTd);
sourceMethod = "static-call";
}
}
}
@@ -215,9 +311,6 @@ public class HeuristicCallGraphEngine implements CallGraphEngine {
}
}
}
}
// LAST RESORT FALLBACK: If AST deep trace failed to find a valid ALL_CAPS constant
// (e.g. it returned a field name like 'type', or nothing), we can scrape the resolvedValue string directly
// for string literals or enum-like constants.
boolean hasValidConstant = false;
@@ -259,7 +352,16 @@ public class HeuristicCallGraphEngine implements CallGraphEngine {
return !val.equals(val.toUpperCase()) || val.length() <= 2;
});
}
List<String> newPolyEvents = new ArrayList<>();
for (String pe : polymorphicEvents) {
List<String> resolved = resolveClassConstantReturns(pe, context, null);
if (resolved != null && !resolved.isEmpty()) {
newPolyEvents.addAll(resolved);
} else {
newPolyEvents.add(pe);
}
}
polymorphicEvents = newPolyEvents;
if (!resolvedValue.equals(event) || !polymorphicEvents.isEmpty()) {
return TriggerPoint.builder()
@@ -366,6 +468,25 @@ public class HeuristicCallGraphEngine implements CallGraphEngine {
TypeDeclaration targetTd = contextCu != null ? context.getTypeDeclaration(cName, contextCu) : context.getTypeDeclaration(cName);
if (targetTd == null) targetTd = context.getTypeDeclaration(cName);
if (targetTd != null && context.findMethodDeclaration(targetTd, mName, true) != null) {
List<String> delegationResult = resolveMethodReturnConstant(cName, mName, depth + 1, visited, contextCu);
constants.addAll(delegationResult);
handled = true;
}
}
}
} else if (retExpr instanceof org.eclipse.jdt.core.dom.SuperMethodInvocation smi) {
String superFqn = context.getSuperclassFqn(td);
if (superFqn != null) {
String called = superFqn + "." + smi.getName().getIdentifier();
if (visited.contains(called)) {
handled = true;
} else {
String cName = superFqn;
String mName = smi.getName().getIdentifier();
TypeDeclaration targetTd = contextCu != null ? context.getTypeDeclaration(cName, contextCu) : context.getTypeDeclaration(cName);
if (targetTd == null) targetTd = context.getTypeDeclaration(cName);
if (targetTd != null && context.findMethodDeclaration(targetTd, mName, true) != null) {
List<String> delegationResult = resolveMethodReturnConstant(cName, mName, depth + 1, visited, contextCu);
constants.addAll(delegationResult);
@@ -375,24 +496,31 @@ public class HeuristicCallGraphEngine implements CallGraphEngine {
}
}
if (!handled) {
extractConstantsFromExpression(retExpr, constants);
String val = constantResolver.resolve(retExpr, context);
if (val != null) {
if (val.startsWith("ENUM_SET:")) {
for (String eVal : val.substring(9).split(",")) {
constants.add(eVal.substring(eVal.lastIndexOf('.') + 1));
String parsed = parseEnumSetElement(eVal);
if (!constants.contains(parsed)) constants.add(parsed);
}
} else {
constants.add(val);
if (!constants.contains(val)) constants.add(val);
}
} else if (retExpr instanceof QualifiedName qn) {
constants.add(qn.toString());
} else if (retExpr instanceof SimpleName sn) {
} else if (retExpr instanceof org.eclipse.jdt.core.dom.SimpleName sn) {
List<String> consts = traceFieldInConstructors(td, sn.getIdentifier(), context, visited);
if (!consts.isEmpty()) {
constants.addAll(consts);
} else {
constants.add(sn.toString());
}
} else if (retExpr instanceof org.eclipse.jdt.core.dom.FieldAccess fa) {
List<String> consts = traceFieldInConstructors(td, fa.getName().getIdentifier(), context, visited);
if (!consts.isEmpty()) {
constants.addAll(consts);
} else {
constants.add(fa.getName().getIdentifier());
}
}
}
}
@@ -405,6 +533,121 @@ public class HeuristicCallGraphEngine implements CallGraphEngine {
return constants;
}
private List<String> resolveClassConstantReturns(String className, click.kamil.springstatemachineexporter.ast.common.CodebaseContext context, CompilationUnit contextCu) {
TypeDeclaration td = contextCu != null ? context.getTypeDeclaration(className, contextCu) : context.getTypeDeclaration(className);
if (td == null) td = context.getTypeDeclaration(className);
if (td == null) return null;
final List<String> resolvedConstants = new ArrayList<>();
for (MethodDeclaration md : td.getMethods()) {
if (md.getBody() != null) {
md.getBody().accept(new ASTVisitor() {
@Override
public boolean visit(ReturnStatement node) {
extractConstantsFromExpression(node.getExpression(), resolvedConstants);
return super.visit(node);
}
});
}
if (!resolvedConstants.isEmpty()) return resolvedConstants;
}
return null;
}
private void extractConstantsFromExpression(org.eclipse.jdt.core.dom.Expression expr, List<String> constants) {
System.out.println("EXTRACT CONST: " + (expr != null ? expr.getClass().getSimpleName() + " " + expr.toString() : "null"));
if (expr instanceof QualifiedName qn) {
constants.add(qn.toString());
} else if (expr instanceof org.eclipse.jdt.core.dom.StringLiteral sl) {
constants.add(sl.getLiteralValue());
} else if (expr instanceof org.eclipse.jdt.core.dom.ConditionalExpression ce) {
extractConstantsFromExpression(ce.getThenExpression(), constants);
extractConstantsFromExpression(ce.getElseExpression(), constants);
} else if (expr instanceof org.eclipse.jdt.core.dom.ParenthesizedExpression pe) {
extractConstantsFromExpression(pe.getExpression(), constants);
} else if (expr instanceof org.eclipse.jdt.core.dom.CastExpression ce) {
extractConstantsFromExpression(ce.getExpression(), constants);
} else if (expr instanceof org.eclipse.jdt.core.dom.SwitchExpression se) {
se.accept(new org.eclipse.jdt.core.dom.ASTVisitor() {
@Override
public boolean visit(org.eclipse.jdt.core.dom.YieldStatement ys) {
extractConstantsFromExpression(ys.getExpression(), constants);
return super.visit(ys);
}
@Override
public boolean visit(org.eclipse.jdt.core.dom.ExpressionStatement es) {
extractConstantsFromExpression(es.getExpression(), constants);
return super.visit(es);
}
@Override
public boolean visit(org.eclipse.jdt.core.dom.ReturnStatement rs) {
extractConstantsFromExpression(rs.getExpression(), constants);
return super.visit(rs);
}
});
} else if (expr instanceof org.eclipse.jdt.core.dom.MethodInvocation mi) {
String methodName = mi.getName().getIdentifier();
// 1. Local setter tracking
if ((methodName.startsWith("get") || methodName.equals("type") || methodName.equals("event")) && mi.getExpression() instanceof org.eclipse.jdt.core.dom.SimpleName sn) {
String varName = sn.getIdentifier();
String propName = methodName.startsWith("get") ? methodName.substring(3) : methodName;
org.eclipse.jdt.core.dom.Block block = findEnclosingBlock(mi);
if (block != null) {
for (Object stmtObj : block.statements()) {
if (stmtObj == mi.getParent() || stmtObj == mi) break;
if (stmtObj instanceof org.eclipse.jdt.core.dom.ExpressionStatement es) {
if (es.getExpression() instanceof org.eclipse.jdt.core.dom.MethodInvocation setterMi) {
if (setterMi.getName().getIdentifier().equalsIgnoreCase("set" + propName) || setterMi.getName().getIdentifier().equalsIgnoreCase(propName)) {
if (setterMi.getExpression() instanceof org.eclipse.jdt.core.dom.SimpleName setterSn && setterSn.getIdentifier().equals(varName)) {
if (!setterMi.arguments().isEmpty()) {
extractConstantsFromExpression((org.eclipse.jdt.core.dom.Expression) setterMi.arguments().get(0), constants);
return;
}
}
}
} else if (es.getExpression() instanceof org.eclipse.jdt.core.dom.Assignment assignment) {
if (assignment.getLeftHandSide() instanceof org.eclipse.jdt.core.dom.FieldAccess fa) {
if (fa.getExpression() instanceof org.eclipse.jdt.core.dom.SimpleName faSn && faSn.getIdentifier().equals(varName)) {
if (fa.getName().getIdentifier().equalsIgnoreCase(propName)) {
extractConstantsFromExpression(assignment.getRightHandSide(), constants);
return;
}
}
} else if (assignment.getLeftHandSide() instanceof org.eclipse.jdt.core.dom.QualifiedName qqn) {
if (qqn.getQualifier().getFullyQualifiedName().equals(varName)) {
if (qqn.getName().getIdentifier().equalsIgnoreCase(propName)) {
extractConstantsFromExpression(assignment.getRightHandSide(), constants);
return;
}
}
}
}
}
}
}
}
// 2. Delegate to method return analysis
TypeDeclaration td = findEnclosingType(mi);
System.out.println("DELEGATING MethodInvocation: " + methodName + " td=" + (td != null ? td.getName() : "null") + " fqn=" + (td != null ? context.getFqn(td) : "null"));
if (td != null && (mi.getExpression() == null || mi.getExpression() instanceof org.eclipse.jdt.core.dom.ThisExpression)) {
List<String> values = resolveMethodReturnConstant(context.getFqn(td), methodName, 0, new java.util.HashSet<>(), null);
System.out.println("RESOLVED MethodInvocation values: " + values);
if (values != null) constants.addAll(values);
}
}
}
private org.eclipse.jdt.core.dom.Block findEnclosingBlock(org.eclipse.jdt.core.dom.ASTNode node) {
org.eclipse.jdt.core.dom.ASTNode parent = node.getParent();
while (parent != null && !(parent instanceof org.eclipse.jdt.core.dom.Block)) {
parent = parent.getParent();
}
return (org.eclipse.jdt.core.dom.Block) parent;
}
private String traceLocalVariable(String methodFqn, String varName) {
if (methodFqn == null || !methodFqn.contains(".")) return null;
String className = methodFqn.substring(0, methodFqn.lastIndexOf('.'));
@@ -457,6 +700,52 @@ public class HeuristicCallGraphEngine implements CallGraphEngine {
return null;
}
private org.eclipse.jdt.core.dom.Expression traceLocalSetter(String methodFqn, String varName, String getterName) {
if (methodFqn == null || !methodFqn.contains(".")) return null;
String className = methodFqn.substring(0, methodFqn.lastIndexOf('.'));
String methodName = methodFqn.substring(methodFqn.lastIndexOf('.') + 1);
org.eclipse.jdt.core.dom.TypeDeclaration td = context.getTypeDeclaration(className);
if (td != null) {
org.eclipse.jdt.core.dom.MethodDeclaration md = context.findMethodDeclaration(td, methodName, true);
if (md != null && md.getBody() != null) {
final org.eclipse.jdt.core.dom.Expression[] setterArg = new org.eclipse.jdt.core.dom.Expression[1];
String propName = getterName.startsWith("get") ? getterName.substring(3) : getterName;
md.getBody().accept(new org.eclipse.jdt.core.dom.ASTVisitor() {
@Override
public boolean visit(org.eclipse.jdt.core.dom.MethodInvocation node) {
if (node.getName().getIdentifier().equalsIgnoreCase("set" + propName) || node.getName().getIdentifier().equalsIgnoreCase(propName)) {
if (node.getExpression() instanceof org.eclipse.jdt.core.dom.SimpleName sn && sn.getIdentifier().equals(varName)) {
if (!node.arguments().isEmpty()) {
setterArg[0] = (org.eclipse.jdt.core.dom.Expression) node.arguments().get(0);
}
}
}
return super.visit(node);
}
@Override
public boolean visit(org.eclipse.jdt.core.dom.Assignment node) {
if (node.getLeftHandSide() instanceof org.eclipse.jdt.core.dom.FieldAccess fa) {
if (fa.getExpression() instanceof org.eclipse.jdt.core.dom.SimpleName faSn && faSn.getIdentifier().equals(varName)) {
if (fa.getName().getIdentifier().equalsIgnoreCase(propName)) {
setterArg[0] = node.getRightHandSide();
}
}
} else if (node.getLeftHandSide() instanceof org.eclipse.jdt.core.dom.QualifiedName qqn) {
if (qqn.getQualifier().getFullyQualifiedName().equals(varName)) {
if (qqn.getName().getIdentifier().equalsIgnoreCase(propName)) {
setterArg[0] = node.getRightHandSide();
}
}
}
return super.visit(node);
}
});
return setterArg[0];
}
}
return null;
}
private Expression unwrapMethodInvocation(MethodInvocation mi, int depth) {
if (depth > 5) return mi;
if (!mi.arguments().isEmpty()) {
@@ -495,6 +784,25 @@ public class HeuristicCallGraphEngine implements CallGraphEngine {
return (MethodDeclaration) parent;
}
private ASTNode findStatement(ASTNode node) {
while (node != null && !(node instanceof Statement)) {
node = node.getParent();
}
return node;
}
private String[] extractMethodSuffix(String paramName, String currentSuffix) {
int dotIndex = paramName.indexOf('.');
if (dotIndex > 0 && dotIndex + 1 < paramName.length() && Character.isLowerCase(paramName.charAt(dotIndex + 1))) {
return new String[] { paramName.substring(0, dotIndex), paramName.substring(dotIndex) + currentSuffix };
}
return new String[] { paramName, currentSuffix };
}
private String parseEnumSetElement(String eVal) {
return eVal.contains(".") ? eVal.substring(eVal.lastIndexOf('.', eVal.lastIndexOf('.') - 1) + 1) : eVal;
}
private Map<String, List<CallEdge>> buildCallGraph() {
graph = new HashMap<>();
for (CompilationUnit cu : context.getCompilationUnits()) {
@@ -912,35 +1220,18 @@ public class HeuristicCallGraphEngine implements CallGraphEngine {
}
@Override
public boolean visit(ConstructorInvocation node) {
for (Object argObj : node.arguments()) {
Expression arg = (Expression) argObj;
String val = constantResolver.resolve(arg, context);
if (val != null) {
if (val.startsWith("ENUM_SET:")) {
for (String eVal : val.substring(9).split(",")) {
results.add(eVal.substring(eVal.lastIndexOf('.') + 1));
}
} else {
results.add(val);
}
}
}
processConstructorInvocationArgs(node.arguments(), findEnclosingType(node), node, results, fieldName, context, visited);
return super.visit(node);
}
@Override
public boolean visit(SuperConstructorInvocation node) {
for (Object argObj : node.arguments()) {
Expression arg = (Expression) argObj;
String val = constantResolver.resolve(arg, context);
if (val != null) {
if (val.startsWith("ENUM_SET:")) {
for (String eVal : val.substring(9).split(",")) {
results.add(eVal.substring(eVal.lastIndexOf('.') + 1));
}
} else {
results.add(val);
}
TypeDeclaration enclosingTd = findEnclosingType(node);
if (enclosingTd != null) {
String superFqn = context.getSuperclassFqn(enclosingTd);
if (superFqn != null) {
TypeDeclaration superTd = context.getTypeDeclaration(superFqn);
processConstructorInvocationArgs(node.arguments(), superTd, node, results, fieldName, context, visited);
}
}
return super.visit(node);
@@ -964,4 +1255,123 @@ public class HeuristicCallGraphEngine implements CallGraphEngine {
return results;
}
private void processConstructorInvocationArgs(List<?> arguments, TypeDeclaration targetTd, ASTNode callNode, List<String> results, String fieldName, CodebaseContext context, Set<String> visited) {
if (targetTd == null) return;
MethodDeclaration callerMd = findEnclosingMethod(callNode);
org.eclipse.jdt.core.dom.IMethodBinding resolvedBinding = null;
if (callNode instanceof ConstructorInvocation ci) {
resolvedBinding = ci.resolveConstructorBinding();
} else if (callNode instanceof SuperConstructorInvocation sci) {
resolvedBinding = sci.resolveConstructorBinding();
}
for (MethodDeclaration otherMd : targetTd.getMethods()) {
boolean matches = false;
if (resolvedBinding != null && otherMd.resolveBinding() != null) {
matches = resolvedBinding.isEqualTo(otherMd.resolveBinding()) || resolvedBinding.getKey().equals(otherMd.resolveBinding().getKey());
} else {
matches = otherMd.isConstructor() && otherMd.parameters().size() == arguments.size() && otherMd != callerMd;
}
if (matches) {
int targetIdx = findAssignedParameterIndex(otherMd, fieldName, context, new java.util.HashSet<>());
if (targetIdx >= 0 && targetIdx < arguments.size()) {
Expression arg = (Expression) arguments.get(targetIdx);
String val = constantResolver.resolve(arg, context);
if (val != null) {
if (val.startsWith("ENUM_SET:")) {
for (String eVal : val.substring(9).split(",")) {
results.add(parseEnumSetElement(eVal));
}
} else {
results.add(val);
}
}
}
}
}
}
private int findAssignedParameterIndex(MethodDeclaration constructorMd, String fieldName, CodebaseContext context, java.util.Set<MethodDeclaration> visited) {
if (constructorMd == null || constructorMd.getBody() == null) return -1;
if (!visited.add(constructorMd)) return -1;
final int[] foundIdx = {-1};
constructorMd.getBody().accept(new ASTVisitor() {
@Override
public boolean visit(Assignment asn) {
Expression left = asn.getLeftHandSide();
if ((left instanceof SimpleName sn && sn.getIdentifier().equals(fieldName)) ||
(left instanceof FieldAccess fa && fa.getName().getIdentifier().equals(fieldName))) {
Expression right = asn.getRightHandSide();
if (right instanceof SimpleName snRight) {
String rightName = snRight.getIdentifier();
for (int i = 0; i < constructorMd.parameters().size(); i++) {
SingleVariableDeclaration svd = (SingleVariableDeclaration) constructorMd.parameters().get(i);
if (svd.getName().getIdentifier().equals(rightName)) {
foundIdx[0] = i;
}
}
}
}
return super.visit(asn);
}
@Override
public boolean visit(ConstructorInvocation node) {
TypeDeclaration enclosingTd = findEnclosingType(node);
if (enclosingTd != null) {
for (MethodDeclaration otherMd : enclosingTd.getMethods()) {
if (otherMd.isConstructor() && otherMd != constructorMd && otherMd.parameters().size() == node.arguments().size()) {
int targetIdx = findAssignedParameterIndex(otherMd, fieldName, context, visited);
if (targetIdx >= 0 && targetIdx < node.arguments().size()) {
Expression arg = (Expression) node.arguments().get(targetIdx);
if (arg instanceof SimpleName snArg) {
String argName = snArg.getIdentifier();
for (int i = 0; i < constructorMd.parameters().size(); i++) {
SingleVariableDeclaration svd = (SingleVariableDeclaration) constructorMd.parameters().get(i);
if (svd.getName().getIdentifier().equals(argName)) {
foundIdx[0] = i;
}
}
}
}
}
}
}
return super.visit(node);
}
@Override
public boolean visit(SuperConstructorInvocation node) {
TypeDeclaration enclosingTd = findEnclosingType(node);
if (enclosingTd != null) {
String superFqn = context.getSuperclassFqn(enclosingTd);
if (superFqn != null) {
TypeDeclaration superTd = context.getTypeDeclaration(superFqn);
if (superTd != null) {
for (MethodDeclaration otherMd : superTd.getMethods()) {
if (otherMd.isConstructor() && otherMd.parameters().size() == node.arguments().size()) {
int targetIdx = findAssignedParameterIndex(otherMd, fieldName, context, visited);
if (targetIdx >= 0 && targetIdx < node.arguments().size()) {
Expression arg = (Expression) node.arguments().get(targetIdx);
if (arg instanceof SimpleName snArg) {
String argName = snArg.getIdentifier();
for (int i = 0; i < constructorMd.parameters().size(); i++) {
SingleVariableDeclaration svd = (SingleVariableDeclaration) constructorMd.parameters().get(i);
if (svd.getName().getIdentifier().equals(argName)) {
foundIdx[0] = i;
}
}
}
}
}
}
}
}
}
return super.visit(node);
}
});
return foundIdx[0];
}
}

View File

@@ -4,6 +4,10 @@ import click.kamil.springstatemachineexporter.analysis.model.CallChain;
import click.kamil.springstatemachineexporter.analysis.model.EntryPoint;
import click.kamil.springstatemachineexporter.analysis.model.TriggerPoint;
import click.kamil.springstatemachineexporter.analysis.resolver.ConstantResolver;
import click.kamil.springstatemachineexporter.analysis.spring.InjectionPointAnalyzer;
import click.kamil.springstatemachineexporter.analysis.spring.SpringBeanRegistry;
import click.kamil.springstatemachineexporter.analysis.spring.SpringContextScanner;
import click.kamil.springstatemachineexporter.analysis.spring.SpringDependencyResolver;
import click.kamil.springstatemachineexporter.ast.common.CodebaseContext;
import lombok.extern.slf4j.Slf4j;
import org.eclipse.jdt.core.dom.CompilationUnit;
@@ -32,7 +36,17 @@ public class JdtIntelligenceProvider implements CodebaseIntelligenceProvider {
this.eventDetector = new GenericEventDetector(context, constantResolver, context.getLibraryHints());
this.mvcDetector = new SpringMvcDetector(context, constantResolver);
this.messagingDetector = new MessagingDetector(context);
this.callGraphEngine = new HeuristicCallGraphEngine(context);
SpringBeanRegistry registry = new SpringBeanRegistry();
SpringContextScanner scanner = new SpringContextScanner(registry);
for (CompilationUnit cu : context.getCompilationUnits()) {
cu.accept(scanner);
}
SpringDependencyResolver dependencyResolver = new SpringDependencyResolver(registry);
InjectionPointAnalyzer injectionAnalyzer = new InjectionPointAnalyzer(dependencyResolver);
this.callGraphEngine = new JdtCallGraphEngine(context, injectionAnalyzer);
this.lifecycleDetector = new LifecycleDetector(context);
this.interceptorDetector = new InterceptorDetector(context);
this.componentDetector = new SpringComponentDetector(context);

View File

@@ -0,0 +1,93 @@
package click.kamil.springstatemachineexporter.analysis.spring;
import org.eclipse.jdt.core.dom.IAnnotationBinding;
import org.eclipse.jdt.core.dom.IMemberValuePairBinding;
import org.eclipse.jdt.core.dom.IVariableBinding;
import java.util.List;
public class InjectionPointAnalyzer {
private final SpringDependencyResolver resolver;
public InjectionPointAnalyzer(SpringDependencyResolver resolver) {
this.resolver = resolver;
}
/**
* Resolves the Spring bean injected into the given variable.
*
* @param variableBinding The binding of the field or parameter being injected.
* @return The FQN of the resolved concrete bean class, or null if unresolved.
*/
public String resolveInjectedBeanFqn(IVariableBinding variableBinding) {
if (variableBinding == null || variableBinding.getType() == null) {
return null;
}
String requiredTypeFqn = variableBinding.getType().getQualifiedName();
String injectionName = variableBinding.getName();
String qualifier = extractQualifier(variableBinding);
List<SpringBean> resolvedBeans = resolver.resolve(requiredTypeFqn, qualifier, injectionName);
if (resolvedBeans != null && resolvedBeans.size() == 1) {
return resolvedBeans.get(0).getTypeFqn();
}
return null;
}
private String extractQualifier(IVariableBinding binding) {
String qualifier = getQualifierValue(binding.getAnnotations());
if (qualifier != null) {
return qualifier;
}
if (binding.isField()) {
org.eclipse.jdt.core.dom.ITypeBinding declaringClass = binding.getDeclaringClass();
if (declaringClass != null) {
for (org.eclipse.jdt.core.dom.IMethodBinding method : declaringClass.getDeclaredMethods()) {
boolean isAutowiredMethod = false;
for (IAnnotationBinding ann : method.getAnnotations()) {
if (ann.getAnnotationType() != null && "org.springframework.beans.factory.annotation.Autowired".equals(ann.getAnnotationType().getQualifiedName())) {
isAutowiredMethod = true;
break;
}
}
if (method.isConstructor() || isAutowiredMethod) {
for (int i = 0; i < method.getParameterTypes().length; i++) {
org.eclipse.jdt.core.dom.ITypeBinding paramType = method.getParameterTypes()[i];
try {
IAnnotationBinding[] paramAnns = method.getParameterAnnotations(i);
String paramQual = getQualifierValue(paramAnns);
if (paramQual != null && paramType.getErasure().isEqualTo(binding.getType().getErasure())) {
// For setters, verify it roughly matches the field name or just rely on type.
// We will rely on type equality for now as a heuristic.
return paramQual;
}
} catch (Exception e) {
// Ignore
}
}
}
}
}
}
return null;
}
private String getQualifierValue(IAnnotationBinding[] annotations) {
for (IAnnotationBinding ann : annotations) {
if (ann.getAnnotationType() != null && "org.springframework.beans.factory.annotation.Qualifier".equals(ann.getAnnotationType().getQualifiedName())) {
for (IMemberValuePairBinding pair : ann.getDeclaredMemberValuePairs()) {
if ("value".equals(pair.getName()) && pair.getValue() instanceof String) {
return (String) pair.getValue();
}
}
}
}
return null;
}
}

View File

@@ -0,0 +1,27 @@
package click.kamil.springstatemachineexporter.analysis.spring;
import java.util.HashSet;
import java.util.Set;
import lombok.Builder;
import lombok.Data;
@Data
@Builder
public class SpringBean {
private String typeFqn;
@Builder.Default
private Set<String> assignableTypes = new HashSet<>();
@Builder.Default
private Set<String> beanNames = new HashSet<>();
@Builder.Default
private Set<String> qualifiers = new HashSet<>();
private boolean isPrimary;
private Integer order;
private String declaringClassFqn;
private String factoryMethodName;
}

View File

@@ -0,0 +1,17 @@
package click.kamil.springstatemachineexporter.analysis.spring;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public class SpringBeanRegistry {
private final List<SpringBean> beans = new ArrayList<>();
public void addBean(SpringBean bean) {
beans.add(bean);
}
public List<SpringBean> getBeans() {
return Collections.unmodifiableList(beans);
}
}

View File

@@ -0,0 +1,235 @@
package click.kamil.springstatemachineexporter.analysis.spring;
import org.eclipse.jdt.core.dom.*;
import java.util.HashSet;
import java.util.Set;
public class SpringContextScanner extends ASTVisitor {
private final SpringBeanRegistry registry;
public SpringContextScanner(SpringBeanRegistry registry) {
this.registry = registry;
}
@Override
public boolean visit(TypeDeclaration node) {
ITypeBinding typeBinding = node.resolveBinding();
if (typeBinding == null) return true;
if (isSpringComponent(typeBinding)) {
SpringBean bean = SpringBean.builder()
.typeFqn(typeBinding.getQualifiedName())
.assignableTypes(getAssignableTypes(typeBinding))
.isPrimary(hasAnnotation(typeBinding, "org.springframework.context.annotation.Primary"))
.qualifiers(extractQualifiers(typeBinding))
.order(extractOrder(typeBinding))
.declaringClassFqn(typeBinding.getQualifiedName())
.build();
// Default bean name is uncapitalized simple name
String defaultName = Character.toLowerCase(node.getName().getIdentifier().charAt(0)) + node.getName().getIdentifier().substring(1);
// Check if @Component or @Service specifies a name (e.g., @Service("myService"))
String explicitName = extractStereotypeValue(typeBinding);
if (explicitName != null && !explicitName.isEmpty()) {
bean.getBeanNames().add(explicitName);
} else {
bean.getBeanNames().add(defaultName);
}
registry.addBean(bean);
}
return true;
}
@Override
public boolean visit(MethodDeclaration node) {
IMethodBinding methodBinding = node.resolveBinding();
if (methodBinding == null) return true;
if (hasAnnotation(methodBinding, "org.springframework.context.annotation.Bean")) {
ITypeBinding returnType = methodBinding.getReturnType();
if (returnType != null) {
Set<String> assignables = getAssignableTypes(returnType);
String[] concreteType = new String[] { returnType.getQualifiedName() };
if (node.getBody() != null) {
node.getBody().accept(new ASTVisitor() {
@Override
public boolean visit(ReturnStatement ret) {
if (ret.getExpression() != null) {
ITypeBinding exprType = ret.getExpression().resolveTypeBinding();
if (exprType != null && exprType.isClass()) {
concreteType[0] = exprType.getQualifiedName();
assignables.addAll(getAssignableTypes(exprType));
}
}
return super.visit(ret);
}
});
}
SpringBean bean = SpringBean.builder()
.typeFqn(concreteType[0])
.assignableTypes(assignables)
.isPrimary(hasAnnotation(methodBinding, "org.springframework.context.annotation.Primary"))
.qualifiers(extractQualifiers(methodBinding))
.order(extractOrder(methodBinding))
.declaringClassFqn(methodBinding.getDeclaringClass().getQualifiedName())
.factoryMethodName(node.getName().getIdentifier())
.build();
// Default bean name is method name
String defaultName = node.getName().getIdentifier();
// Check if @Bean specifies a name (e.g., @Bean("myBean"))
String explicitName = extractBeanName(methodBinding);
if (explicitName != null && !explicitName.isEmpty()) {
bean.getBeanNames().add(explicitName);
} else {
bean.getBeanNames().add(defaultName);
}
registry.addBean(bean);
}
}
return true;
}
private boolean isSpringComponent(ITypeBinding binding) {
return hasMetaAnnotation(binding, "org.springframework.stereotype.Component") ||
hasMetaAnnotation(binding, "org.springframework.web.bind.annotation.RestController");
}
private boolean hasMetaAnnotation(ITypeBinding binding, String targetFqn) {
return checkMetaAnnotation(binding.getAnnotations(), targetFqn, new HashSet<>());
}
private boolean checkMetaAnnotation(IAnnotationBinding[] annotations, String targetFqn, Set<String> visited) {
for (IAnnotationBinding ann : annotations) {
ITypeBinding annType = ann.getAnnotationType();
if (annType != null) {
String fqn = annType.getQualifiedName();
if (fqn.equals(targetFqn)) return true;
// Avoid circular meta-annotations (e.g. Documented -> Documented)
if (visited.add(fqn)) {
if (checkMetaAnnotation(annType.getAnnotations(), targetFqn, visited)) {
return true;
}
}
}
}
return false;
}
private boolean hasAnnotation(IBinding binding, String annotationFqn) {
IAnnotationBinding[] annotations = binding.getAnnotations();
for (IAnnotationBinding ann : annotations) {
if (ann.getAnnotationType() != null && annotationFqn.equals(ann.getAnnotationType().getQualifiedName())) {
return true;
}
}
return false;
}
private Set<String> getAssignableTypes(ITypeBinding binding) {
Set<String> types = new HashSet<>();
collectAssignableTypes(binding, types);
return types;
}
private void collectAssignableTypes(ITypeBinding binding, Set<String> types) {
if (binding == null) return;
String qName = binding.getQualifiedName();
if (qName != null && !qName.isEmpty()) {
types.add(qName);
}
ITypeBinding erasure = binding.getErasure();
if (erasure != null) {
String erasureName = erasure.getQualifiedName();
if (erasureName != null && !erasureName.isEmpty()) {
types.add(erasureName);
}
}
collectAssignableTypes(binding.getSuperclass(), types);
if (binding.getInterfaces() != null) {
for (ITypeBinding iface : binding.getInterfaces()) {
collectAssignableTypes(iface, types);
}
}
}
private Set<String> extractQualifiers(IBinding binding) {
Set<String> qualifiers = new HashSet<>();
for (IAnnotationBinding ann : binding.getAnnotations()) {
if (ann.getAnnotationType() != null && "org.springframework.beans.factory.annotation.Qualifier".equals(ann.getAnnotationType().getQualifiedName())) {
for (IMemberValuePairBinding pair : ann.getDeclaredMemberValuePairs()) {
if ("value".equals(pair.getName()) && pair.getValue() instanceof String) {
qualifiers.add((String) pair.getValue());
}
}
}
}
return qualifiers;
}
private Integer extractOrder(IBinding binding) {
for (IAnnotationBinding ann : binding.getAnnotations()) {
if (ann.getAnnotationType() != null && "org.springframework.core.annotation.Order".equals(ann.getAnnotationType().getQualifiedName())) {
for (IMemberValuePairBinding pair : ann.getDeclaredMemberValuePairs()) {
if ("value".equals(pair.getName())) {
Object val = pair.getValue();
if (val instanceof Integer) {
return (Integer) val;
} else if (val instanceof IVariableBinding) {
Object constantValue = ((IVariableBinding) val).getConstantValue();
if (constantValue instanceof Integer) {
return (Integer) constantValue;
}
}
}
}
return Integer.MAX_VALUE; // Spring's default for @Order()
}
}
return null;
}
private String extractStereotypeValue(ITypeBinding binding) {
for (IAnnotationBinding ann : binding.getAnnotations()) {
// Check if annotation itself is meta-annotated with @Component
if (checkMetaAnnotation(new IAnnotationBinding[]{ann}, "org.springframework.stereotype.Component", new HashSet<>()) ||
"org.springframework.stereotype.Component".equals(ann.getAnnotationType().getQualifiedName())) {
for (IMemberValuePairBinding pair : ann.getDeclaredMemberValuePairs()) {
if ("value".equals(pair.getName()) && pair.getValue() instanceof String) {
return (String) pair.getValue();
}
}
}
}
return null;
}
private String extractBeanName(IMethodBinding binding) {
for (IAnnotationBinding ann : binding.getAnnotations()) {
if ("org.springframework.context.annotation.Bean".equals(ann.getAnnotationType().getQualifiedName())) {
for (IMemberValuePairBinding pair : ann.getDeclaredMemberValuePairs()) {
if (("value".equals(pair.getName()) || "name".equals(pair.getName())) && pair.getValue() instanceof String) {
return (String) pair.getValue();
} else if (("value".equals(pair.getName()) || "name".equals(pair.getName())) && pair.getValue() instanceof Object[]) {
Object[] vals = (Object[]) pair.getValue();
if (vals.length > 0 && vals[0] instanceof String) {
return (String) vals[0];
}
}
}
}
}
return null;
}
}

View File

@@ -0,0 +1,87 @@
package click.kamil.springstatemachineexporter.analysis.spring;
import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
public class SpringDependencyResolver {
private final SpringBeanRegistry registry;
public SpringDependencyResolver(SpringBeanRegistry registry) {
this.registry = registry;
}
/**
* Resolves the exact SpringBean that would be injected for a given injection point.
*
* @param requiredTypeFqn The exact FQN of the type requested at the injection point.
* @param qualifier The value of the @Qualifier annotation on the injection point (if any).
* @param injectionName The name of the field or parameter being injected (used as fallback).
* @return A list of resolved beans. Usually 1. If 0, unresolved. If > 1, ambiguous.
*/
public List<SpringBean> resolve(String requiredTypeFqn, String qualifier, String injectionName) {
if (requiredTypeFqn == null) return new ArrayList<>();
// 1. Filter by Type (Exact FQN or Assignable Type)
System.out.println("RESOLVING " + requiredTypeFqn + " qual=" + qualifier + " injectionName=" + injectionName);
List<SpringBean> candidates = registry.getBeans().stream()
.filter(bean -> requiredTypeFqn.equals(bean.getTypeFqn()) || bean.getAssignableTypes().contains(requiredTypeFqn))
.collect(Collectors.toList());
System.out.println("CANDIDATES AFTER TYPE: " + candidates.stream().map(c -> c.getTypeFqn() + " (primary=" + c.isPrimary() + " names=" + c.getBeanNames() + " qual=" + c.getQualifiers() + ")").collect(Collectors.toList()));
if (candidates.isEmpty() || candidates.size() == 1) {
System.out.println("RETURNING: " + candidates.size());
return candidates;
}
// 2. Filter by Qualifier (if provided)
if (qualifier != null && !qualifier.isEmpty()) {
List<SpringBean> qualifiedCandidates = candidates.stream()
.filter(bean -> bean.getQualifiers().contains(qualifier) || bean.getBeanNames().contains(qualifier))
.collect(Collectors.toList());
if (qualifiedCandidates.size() == 1) {
return qualifiedCandidates;
} else if (!qualifiedCandidates.isEmpty()) {
candidates = qualifiedCandidates;
}
}
// 3. Filter by @Primary
List<SpringBean> primaryCandidates = candidates.stream()
.filter(SpringBean::isPrimary)
.collect(Collectors.toList());
if (primaryCandidates.size() == 1) {
return primaryCandidates;
}
// 4. Fallback to Injection Name (field name or parameter name)
if (injectionName != null && !injectionName.isEmpty()) {
List<SpringBean> namedCandidates = candidates.stream()
.filter(bean -> bean.getBeanNames().contains(injectionName))
.collect(Collectors.toList());
if (namedCandidates.size() == 1) {
return namedCandidates;
}
}
// 5. Fallback to @Order (lowest order wins)
Integer minOrder = candidates.stream()
.map(SpringBean::getOrder)
.filter(o -> o != null)
.min(Integer::compareTo)
.orElse(null);
if (minOrder != null) {
List<SpringBean> orderedCandidates = candidates.stream()
.filter(bean -> bean.getOrder() != null && bean.getOrder().equals(minOrder))
.collect(Collectors.toList());
if (!orderedCandidates.isEmpty()) {
candidates = orderedCandidates;
}
}
// Return whatever candidates remain (could be ambiguous)
System.out.println("RETURNING: " + candidates.size());
return candidates;
}
}

View File

@@ -292,6 +292,15 @@ public class AstTransitionParser {
// Try same file
ASTNode declNode = cu.findDeclaringNode(binding.getKey());
if (declNode instanceof MethodDeclaration md) {
if (md.getBody() != null && md.getBody().statements().size() == 1) {
Object stmt = md.getBody().statements().get(0);
if (stmt instanceof org.eclipse.jdt.core.dom.ReturnStatement rs) {
Expression retExpr = rs.getExpression();
if (isLambdaOrAnonymous(retExpr)) {
return retExpr.toString();
}
}
}
return md.toString();
}

View File

@@ -238,6 +238,7 @@ public class CodebaseContext {
public List<String> getImplementations(String interfaceName) {
Set<String> allImpls = new HashSet<>();
collectImplementations(interfaceName, allImpls, new HashSet<>());
System.out.println("GET IMPLEMENTATIONS FOR: " + interfaceName + " -> " + allImpls);
return new ArrayList<>(allImpls);
}

View File

@@ -143,6 +143,12 @@ public class RegressionTest {
root.resolve("state_machines/complex_multi_module_sm"),
Path.of("src/test/resources/golden/StateMachineConfig"),
"StateMachineConfig"
),
new TestScenario(
"Polymorphic Events Sample",
root.resolve("state_machines/polymorphic_events_sample"),
Path.of("src/test/resources/golden/PolymorphicStateMachineConfiguration"),
"PolymorphicStateMachineConfiguration"
)
);
}
@@ -155,7 +161,7 @@ public class RegressionTest {
if (scenario.inputPath() == null) System.out.println("inputPath is NULL");
if (tempDir == null) System.out.println("tempDir is NULL");
exportService.runExporter(scenario.inputPath(), tempDir, List.of("puml", "dot", "scxml", "json"), true, scenario.activeProfiles());
exportService.runExporter(scenario.inputPath(), tempDir, List.of("puml", "dot", "scxml", "json"), true, scenario.activeProfiles(), null, null, click.kamil.springstatemachineexporter.exporter.EnumFormat.fn, click.kamil.springstatemachineexporter.exporter.EnumFormat.fn, true);
// Find the generated directory (it might be named with FQN)
List<Path> generatedDirs;

View File

@@ -0,0 +1,78 @@
package click.kamil.springstatemachineexporter.analysis.enricher.matching;
import click.kamil.springstatemachineexporter.analysis.model.TriggerPoint;
import click.kamil.springstatemachineexporter.model.Event;
import org.junit.jupiter.api.Test;
import java.util.List;
import static org.assertj.core.api.Assertions.assertThat;
class HeuristicEventMatchingEngineTest {
private final HeuristicEventMatchingEngine engine = new HeuristicEventMatchingEngine();
@Test
void shouldMatchExactFqn() {
Event smEvent = Event.of("PAY", "com.example.OrderEvents.PAY");
TriggerPoint triggerPoint = TriggerPoint.builder().event("com.example.OrderEvents.PAY").build();
assertThat(engine.matches(smEvent, triggerPoint)).isTrue();
}
@Test
void shouldMatchEnumQualifierToFqn() {
Event smEvent = Event.of("PAY", "com.example.OrderEvents.PAY");
TriggerPoint triggerPoint = TriggerPoint.builder().event("OrderEvents.PAY").build();
assertThat(engine.matches(smEvent, triggerPoint)).isTrue();
}
@Test
void shouldPreventCrossEnumContamination() {
Event smEvent = Event.of("PAY", "com.example.InvoiceEvents.PAY");
TriggerPoint triggerPoint = TriggerPoint.builder().event("OrderEvents.PAY").build();
assertThat(engine.matches(smEvent, triggerPoint)).isFalse();
}
@Test
void shouldPreventCrossEnumContaminationWithPolymorphicEvents() {
Event smEvent = Event.of("PAY", "com.example.InvoiceEvents.PAY");
TriggerPoint triggerPoint = TriggerPoint.builder().event("getType()").polymorphicEvents(List.of("OrderEvents.PAY")).build();
assertThat(engine.matches(smEvent, triggerPoint)).isFalse();
}
@Test
void shouldMatchPolymorphicEnumQualifierToFqn() {
Event smEvent = Event.of("PAY", "com.example.OrderEvents.PAY");
TriggerPoint triggerPoint = TriggerPoint.builder().event("getType()").polymorphicEvents(List.of("OrderEvents.PAY")).build();
assertThat(engine.matches(smEvent, triggerPoint)).isTrue();
}
@Test
void shouldMatchRawStringToFqn() {
Event smEvent = Event.of("PAY", "com.example.OrderEvents.PAY");
TriggerPoint triggerPoint = TriggerPoint.builder().event("PAY").build();
assertThat(engine.matches(smEvent, triggerPoint)).isTrue();
}
@Test
void shouldMatchRawStringToRawString() {
Event smEvent = Event.of("PAY", "PAY");
TriggerPoint triggerPoint = TriggerPoint.builder().event("PAY").build();
assertThat(engine.matches(smEvent, triggerPoint)).isTrue();
}
@Test
void shouldMatchPolymorphicRawStringToFqn() {
Event smEvent = Event.of("PAY", "com.example.OrderEvents.PAY");
TriggerPoint triggerPoint = TriggerPoint.builder().event("getType()").polymorphicEvents(List.of("PAY")).build();
assertThat(engine.matches(smEvent, triggerPoint)).isTrue();
}
}

View File

@@ -0,0 +1,275 @@
package click.kamil.springstatemachineexporter.analysis.service;
import click.kamil.springstatemachineexporter.analysis.model.CallChain;
import click.kamil.springstatemachineexporter.analysis.model.EntryPoint;
import click.kamil.springstatemachineexporter.analysis.model.TriggerPoint;
import click.kamil.springstatemachineexporter.ast.common.CodebaseContext;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.io.TempDir;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.List;
import static org.assertj.core.api.Assertions.assertThat;
class ConstructorInvocationTest {
@Test
void shouldNotBlindlyAddAllConstructorArguments(@TempDir Path tempDir) throws IOException {
String source = """
package com.example;
public class OrderController {
private OrderService service;
public void processOrderEvent(RichOrderEvent domainEvent) {
service.updateOrderState(domainEvent.getType());
}
}
class OrderService {
public void updateOrderState(OrderEvents event) {}
}
class RichOrderEvent {
private OrderEvents type;
private String irrelevantInfo;
public RichOrderEvent() {
this(OrderEvents.PAY, "DEFAULT_INFO");
}
public RichOrderEvent(OrderEvents type, String info) {
this.type = type;
this.irrelevantInfo = info;
}
public OrderEvents getType() { return type; }
}
enum OrderEvents { PAY }
""";
Files.writeString(tempDir.resolve("OrderConfig.java"), source);
CodebaseContext context = new CodebaseContext();
context.scan(tempDir);
HeuristicCallGraphEngine builder = new HeuristicCallGraphEngine(context);
EntryPoint entryPoint = EntryPoint.builder()
.className("com.example.OrderController")
.methodName("processOrderEvent")
.build();
TriggerPoint trigger = TriggerPoint.builder()
.className("com.example.OrderService")
.methodName("updateOrderState")
.event("event")
.build();
List<CallChain> chains = builder.findChains(List.of(entryPoint), List.of(trigger));
assertThat(chains).hasSize(1);
CallChain chain = chains.get(0);
assertThat(chain.getTriggerPoint().getPolymorphicEvents())
.contains("OrderEvents.PAY")
.doesNotContain("DEFAULT_INFO");
}
@Test
void shouldHandleOverloadedConstructorsGracefully(@TempDir Path tempDir) throws IOException {
String source = """
package com.example;
public class OrderController {
private OrderService service;
public void processOrderEvent(RichOrderEvent domainEvent) {
service.updateOrderState(domainEvent.getType());
}
}
class OrderService {
public void updateOrderState(OrderEvents event) {}
}
class RichOrderEvent {
private OrderEvents type;
private String irrelevantInfo;
private int count;
public RichOrderEvent() {
this(OrderEvents.PAY, "DEFAULT_INFO");
}
// Overloaded constructor 1
public RichOrderEvent(OrderEvents type, String info) {
this.type = type;
this.irrelevantInfo = info;
}
// Overloaded constructor 2 (same number of arguments!)
public RichOrderEvent(String info, int count) {
this.irrelevantInfo = info;
this.count = count;
// type is not set here
}
public OrderEvents getType() { return type; }
}
enum OrderEvents { PAY }
""";
Files.writeString(tempDir.resolve("OrderConfig.java"), source);
CodebaseContext context = new CodebaseContext();
context.scan(tempDir);
HeuristicCallGraphEngine builder = new HeuristicCallGraphEngine(context);
EntryPoint entryPoint = EntryPoint.builder()
.className("com.example.OrderController")
.methodName("processOrderEvent")
.build();
TriggerPoint trigger = TriggerPoint.builder()
.className("com.example.OrderService")
.methodName("updateOrderState")
.event("event")
.build();
List<CallChain> chains = builder.findChains(List.of(entryPoint), List.of(trigger));
assertThat(chains).hasSize(1);
CallChain chain = chains.get(0);
assertThat(chain.getTriggerPoint().getPolymorphicEvents())
.contains("OrderEvents.PAY")
.doesNotContain("DEFAULT_INFO")
.doesNotContain("count");
}
@Test
void shouldHandleChainedConstructorDelegationGracefully(@TempDir Path tempDir) throws IOException {
String source = """
package com.example;
public class OrderController {
private OrderService service;
public void processOrderEvent(RichOrderEvent domainEvent) {
service.updateOrderState(domainEvent.getType());
}
}
class OrderService {
public void updateOrderState(OrderEvents event) {}
}
class BaseEvent {
protected OrderEvents type;
public BaseEvent(OrderEvents type) {
this.type = type;
}
}
class RichOrderEvent extends BaseEvent {
public RichOrderEvent() {
this(OrderEvents.PAY);
}
public RichOrderEvent(OrderEvents type) {
this(type, "DEFAULT_INFO");
}
public RichOrderEvent(OrderEvents type, String info) {
super(type);
}
public OrderEvents getType() { return type; }
}
enum OrderEvents { PAY }
""";
Files.writeString(tempDir.resolve("OrderConfig.java"), source);
CodebaseContext context = new CodebaseContext();
context.scan(tempDir);
HeuristicCallGraphEngine builder = new HeuristicCallGraphEngine(context);
EntryPoint entryPoint = EntryPoint.builder()
.className("com.example.OrderController")
.methodName("processOrderEvent")
.build();
TriggerPoint trigger = TriggerPoint.builder()
.className("com.example.OrderService")
.methodName("updateOrderState")
.event("event")
.build();
List<CallChain> chains = builder.findChains(List.of(entryPoint), List.of(trigger));
assertThat(chains).hasSize(1);
CallChain chain = chains.get(0);
assertThat(chain.getTriggerPoint().getPolymorphicEvents())
.contains("OrderEvents.PAY")
.doesNotContain("DEFAULT_INFO");
}
@Test
void shouldHandleFieldAccessGracefully(@TempDir Path tempDir) throws IOException {
String source = """
package com.example;
public class OrderController {
private OrderService service;
public void processOrderEvent(RichOrderEvent domainEvent) {
service.updateOrderState(domainEvent.getType());
}
}
class OrderService {
public void updateOrderState(OrderEvents event) {}
}
class RichOrderEvent {
private OrderEvents type;
public RichOrderEvent() {
this(OrderEvents.PAY);
}
public RichOrderEvent(OrderEvents type) {
this.type = type;
}
public OrderEvents getType() {
return this.type; // Specifically testing FieldAccess
}
}
enum OrderEvents { PAY }
""";
Files.writeString(tempDir.resolve("OrderConfig.java"), source);
CodebaseContext context = new CodebaseContext();
context.scan(tempDir);
HeuristicCallGraphEngine builder = new HeuristicCallGraphEngine(context);
EntryPoint entryPoint = EntryPoint.builder()
.className("com.example.OrderController")
.methodName("processOrderEvent")
.build();
TriggerPoint trigger = TriggerPoint.builder()
.className("com.example.OrderService")
.methodName("updateOrderState")
.event("event")
.build();
List<CallChain> chains = builder.findChains(List.of(entryPoint), List.of(trigger));
assertThat(chains).hasSize(1);
CallChain chain = chains.get(0);
assertThat(chain.getTriggerPoint().getPolymorphicEvents())
.contains("OrderEvents.PAY");
}
}

View File

@@ -18,6 +18,185 @@ import static org.assertj.core.api.Assertions.assertThat;
@Tag("heuristic_guess_paths_and_scrape_regex_replace_with_data_flow_analysis")
class HeuristicCallGraphEngineTest {
@Test
void shouldResolveLocalSetterAndSwitchExpressionPolymorphism(@TempDir Path tempDir) throws IOException {
String source = """
package com.example;
public class OrderService {
public void updateOrderState(String vv) {
StateMachine sm = new StateMachine();
MysteryPayload a = new MysteryPayload();
a.setType(my_func(vv));
sm.sendEvent(a.getType());
}
private OrderEvents my_func(String q) {
return switch (q) {
case "a" -> OrderEvents.A8;
case "b" -> OrderEvents.A133;
default -> throw new IllegalArgumentException("Unknown");
};
}
}
enum OrderEvents { A8, A133 }
class MysteryPayload {
private OrderEvents type;
public void setType(OrderEvents type) { this.type = type; }
public OrderEvents getType() { return type; }
}
class StateMachine {
public void sendEvent(OrderEvents event) {}
}
""";
Files.writeString(tempDir.resolve("OrderService.java"), source);
CodebaseContext context = new CodebaseContext();
context.scan(tempDir);
HeuristicCallGraphEngine builder = new HeuristicCallGraphEngine(context);
EntryPoint entryPoint = EntryPoint.builder()
.className("com.example.OrderService")
.methodName("updateOrderState")
.build();
TriggerPoint trigger = TriggerPoint.builder()
.className("com.example.StateMachine")
.methodName("sendEvent")
.event("event")
.build();
List<CallChain> chains = builder.findChains(List.of(entryPoint), List.of(trigger));
assertThat(chains).hasSize(1);
CallChain chain = chains.get(0);
System.out.println("Resolved poly events: " + chain.getTriggerPoint().getPolymorphicEvents());
assertThat(chain.getTriggerPoint().getPolymorphicEvents())
.containsExactlyInAnyOrder("OrderEvents.A8", "OrderEvents.A133");
}
@Test
void shouldResolveOldStyleSwitchStatementPolymorphism(@TempDir Path tempDir) throws IOException {
String source = """
package com.example;
public class OrderService {
public void updateOrderState(String vv) {
StateMachine sm = new StateMachine();
sm.sendEvent(getEventFromOldSwitch(vv));
}
private OrderEvents getEventFromOldSwitch(String q) {
switch (q) {
case "a": return OrderEvents.A8;
case "b":
case "c": return OrderEvents.A133;
default: return OrderEvents.PAY;
}
}
}
enum OrderEvents { A8, A133, PAY }
class StateMachine {
public void sendEvent(OrderEvents event) {}
}
""";
Files.writeString(tempDir.resolve("OrderService.java"), source);
CodebaseContext context = new CodebaseContext();
context.scan(tempDir);
HeuristicCallGraphEngine builder = new HeuristicCallGraphEngine(context);
EntryPoint entryPoint = EntryPoint.builder().className("com.example.OrderService").methodName("updateOrderState").build();
TriggerPoint trigger = TriggerPoint.builder().className("com.example.StateMachine").methodName("sendEvent").event("event").build();
List<CallChain> chains = builder.findChains(List.of(entryPoint), List.of(trigger));
assertThat(chains).hasSize(1);
assertThat(chains.get(0).getTriggerPoint().getPolymorphicEvents())
.containsExactlyInAnyOrder("OrderEvents.A8", "OrderEvents.A133", "OrderEvents.PAY");
}
@Test
void shouldResolveMultiValueSwitchExpressionPolymorphism(@TempDir Path tempDir) throws IOException {
String source = """
package com.example;
public class OrderService {
public void updateOrderState(String vv) {
StateMachine sm = new StateMachine();
sm.sendEvent(getEventMultiValue(vv));
}
private OrderEvents getEventMultiValue(String q) {
return switch (q) {
case "a", "b" -> OrderEvents.A8;
case "c" -> OrderEvents.A133;
default -> OrderEvents.PAY;
};
}
}
enum OrderEvents { A8, A133, PAY }
class StateMachine {
public void sendEvent(OrderEvents event) {}
}
""";
Files.writeString(tempDir.resolve("OrderService.java"), source);
CodebaseContext context = new CodebaseContext();
context.scan(tempDir);
HeuristicCallGraphEngine builder = new HeuristicCallGraphEngine(context);
EntryPoint entryPoint = EntryPoint.builder().className("com.example.OrderService").methodName("updateOrderState").build();
TriggerPoint trigger = TriggerPoint.builder().className("com.example.StateMachine").methodName("sendEvent").event("event").build();
List<CallChain> chains = builder.findChains(List.of(entryPoint), List.of(trigger));
assertThat(chains).hasSize(1);
assertThat(chains.get(0).getTriggerPoint().getPolymorphicEvents())
.containsExactlyInAnyOrder("OrderEvents.A8", "OrderEvents.A133", "OrderEvents.PAY");
}
@Test
void shouldResolveSwitchExpressionWithBlockAndYieldPolymorphism(@TempDir Path tempDir) throws IOException {
String source = """
package com.example;
public class OrderService {
public void updateOrderState(String vv) {
StateMachine sm = new StateMachine();
sm.sendEvent(getEventWithYield(vv));
}
private OrderEvents getEventWithYield(String q) {
return switch (q) {
case "a" -> {
System.out.println("Processing a");
yield OrderEvents.A8;
}
case "b" -> { yield OrderEvents.A133; }
default -> OrderEvents.PAY;
};
}
}
enum OrderEvents { A8, A133, PAY }
class StateMachine {
public void sendEvent(OrderEvents event) {}
}
""";
Files.writeString(tempDir.resolve("OrderService.java"), source);
CodebaseContext context = new CodebaseContext();
context.scan(tempDir);
HeuristicCallGraphEngine builder = new HeuristicCallGraphEngine(context);
EntryPoint entryPoint = EntryPoint.builder().className("com.example.OrderService").methodName("updateOrderState").build();
TriggerPoint trigger = TriggerPoint.builder().className("com.example.StateMachine").methodName("sendEvent").event("event").build();
List<CallChain> chains = builder.findChains(List.of(entryPoint), List.of(trigger));
assertThat(chains).hasSize(1);
assertThat(chains.get(0).getTriggerPoint().getPolymorphicEvents())
.containsExactlyInAnyOrder("OrderEvents.A8", "OrderEvents.A133", "OrderEvents.PAY");
}
@Test
void shouldFindCallChainWithLambdaMethodReference(@TempDir Path tempDir) throws IOException {
String source = """
@@ -292,6 +471,63 @@ class HeuristicCallGraphEngineTest {
.containsExactlyInAnyOrder("OrderEvents.CANCELLED", "OrderEvents.RECEIVED");
}
@Test
void shouldResolveTernaryAndStringPolymorphicReturns() throws IOException {
String source = """
package com.example;
public class OrderController {
private OrderService service;
public void processOrderEvent() {
service.updateOrderState(new MysteryPayload().getType());
}
}
class OrderService {
public void updateOrderState(Object event) {
// sendEvent
}
}
class MysteryPayload {
public Object getType() {
int a = 5;
if (a > 10) {
return "RAW_STRING_EVENT";
}
return a > 5 ? OrderEvents.ABCD : OrderEvents.PAY;
}
}
enum OrderEvents { ABCD, PAY }
""";
Path tempDir = Files.createTempDirectory("callgraph_test_ternary_string");
Files.writeString(tempDir.resolve("OrderConfig.java"), source);
CodebaseContext context = new CodebaseContext();
context.scan(tempDir);
HeuristicCallGraphEngine builder = new HeuristicCallGraphEngine(context);
EntryPoint entryPoint = EntryPoint.builder()
.className("com.example.OrderController")
.methodName("processOrderEvent")
.build();
TriggerPoint trigger = TriggerPoint.builder()
.className("com.example.OrderService")
.methodName("updateOrderState")
.event("event")
.build();
List<CallChain> chains = builder.findChains(List.of(entryPoint), List.of(trigger));
assertThat(chains).hasSize(1);
CallChain chain = chains.get(0);
assertThat(chain.getTriggerPoint().getPolymorphicEvents())
.as("Resolved event was: " + chain.getTriggerPoint().getEvent())
.containsExactlyInAnyOrder("OrderEvents.ABCD", "OrderEvents.PAY", "RAW_STRING_EVENT");
}
@Test
void shouldUnwrapDeepMethodWrappers() throws IOException {
String source = """

View File

@@ -0,0 +1,285 @@
package click.kamil.springstatemachineexporter.analysis.service;
import click.kamil.springstatemachineexporter.analysis.model.CallChain;
import click.kamil.springstatemachineexporter.analysis.model.EntryPoint;
import click.kamil.springstatemachineexporter.analysis.model.TriggerPoint;
import click.kamil.springstatemachineexporter.analysis.spring.InjectionPointAnalyzer;
import click.kamil.springstatemachineexporter.analysis.spring.SpringBeanRegistry;
import click.kamil.springstatemachineexporter.analysis.spring.SpringContextScanner;
import click.kamil.springstatemachineexporter.analysis.spring.SpringDependencyResolver;
import click.kamil.springstatemachineexporter.ast.common.CodebaseContext;
import click.kamil.springstatemachineexporter.analysis.service.DynamicClasspathResolver;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import java.io.IOException;
import java.nio.file.Path;
import java.util.Collections;
import java.util.List;
import java.util.Set;
import static org.assertj.core.api.Assertions.assertThat;
class JdtCallGraphEngineIntegrationTest {
private CodebaseContext context;
private SpringBeanRegistry registry;
private JdtCallGraphEngine engine;
@BeforeEach
void setUp() throws IOException {
Path projectRoot = Path.of("../state_machines/extended_analysis_sample").toAbsolutePath().normalize();
context = new CodebaseContext();
context.setProjectRoot(projectRoot);
context.setSourcepath(List.of(projectRoot.resolve("src/main/java").toString()));
DynamicClasspathResolver resolver = new DynamicClasspathResolver();
List<String> cp = resolver.resolveClasspath(projectRoot);
if (!cp.isEmpty()) {
context.setClasspath(cp);
}
context.setResolveBindings(true);
context.scan(Set.of(projectRoot), Collections.emptySet());
registry = new SpringBeanRegistry();
SpringContextScanner scanner = new SpringContextScanner(registry);
for (var cu : context.getCompilationUnits()) {
cu.accept(scanner);
}
SpringDependencyResolver dependencyResolver = new SpringDependencyResolver(registry);
InjectionPointAnalyzer injectionAnalyzer = new InjectionPointAnalyzer(dependencyResolver);
engine = new JdtCallGraphEngine(context, injectionAnalyzer);
}
@Test
void shouldResolvePrimaryBeanInjection() {
EntryPoint ep = EntryPoint.builder()
.className("click.kamil.examples.statemachine.extended.web.QuirkController")
.methodName("testPrimary")
.build();
TriggerPoint tp = TriggerPoint.builder()
.className("click.kamil.examples.statemachine.extended.service.PrimaryQuirkService")
.methodName("doQuirk")
.build();
List<CallChain> chains = engine.findChains(List.of(ep), List.of(tp));
System.out.println("CHAINS FOUND: " + chains.size()); assertThat(chains).hasSize(1);
assertThat(chains.get(0).getMethodChain())
.containsExactly(
"click.kamil.examples.statemachine.extended.web.QuirkController.testPrimary",
"click.kamil.examples.statemachine.extended.service.PrimaryQuirkService.doQuirk"
);
}
@Test
void shouldResolveQualifierBeanInjection() {
EntryPoint ep = EntryPoint.builder()
.className("click.kamil.examples.statemachine.extended.web.QuirkController")
.methodName("testQualifier")
.build();
TriggerPoint tp = TriggerPoint.builder()
.className("click.kamil.examples.statemachine.extended.service.QualifierQuirkService")
.methodName("doQuirk")
.build();
List<CallChain> chains = engine.findChains(List.of(ep), List.of(tp));
System.out.println("CHAINS FOUND: " + chains.size()); assertThat(chains).hasSize(1);
assertThat(chains.get(0).getMethodChain())
.containsExactly(
"click.kamil.examples.statemachine.extended.web.QuirkController.testQualifier",
"click.kamil.examples.statemachine.extended.service.QualifierQuirkService.doQuirk"
);
}
@Test
void shouldResolveNamedBeanInjection() {
EntryPoint ep = EntryPoint.builder()
.className("click.kamil.examples.statemachine.extended.web.QuirkController")
.methodName("testNamed")
.build();
TriggerPoint tp = TriggerPoint.builder()
.className("click.kamil.examples.statemachine.extended.service.NamedQuirkService")
.methodName("doQuirk")
.build();
List<CallChain> chains = engine.findChains(List.of(ep), List.of(tp));
System.out.println("CHAINS FOUND: " + chains.size()); assertThat(chains).hasSize(1);
assertThat(chains.get(0).getMethodChain())
.containsExactly(
"click.kamil.examples.statemachine.extended.web.QuirkController.testNamed",
"click.kamil.examples.statemachine.extended.service.NamedQuirkService.doQuirk"
);
}
@Test
void shouldResolveFallbackBeanInjection() {
EntryPoint ep = EntryPoint.builder()
.className("click.kamil.examples.statemachine.extended.web.QuirkController")
.methodName("testFallback")
.build();
TriggerPoint tp = TriggerPoint.builder()
.className("click.kamil.examples.statemachine.extended.service.PrimaryQuirkService")
.methodName("doQuirk")
.build();
List<CallChain> chains = engine.findChains(List.of(ep), List.of(tp));
System.out.println("CHAINS FOUND: " + chains.size()); assertThat(chains).hasSize(1);
assertThat(chains.get(0).getMethodChain())
.containsExactly(
"click.kamil.examples.statemachine.extended.web.QuirkController.testFallback",
"click.kamil.examples.statemachine.extended.service.PrimaryQuirkService.doQuirk"
);
}
@Test
void shouldResolveBeanParameterInjection() {
EntryPoint ep = EntryPoint.builder()
.className("click.kamil.examples.statemachine.extended.config.BeanParameterTestConfig")
.methodName("myBeanParamTester")
.build();
TriggerPoint tp = TriggerPoint.builder()
.className("click.kamil.examples.statemachine.extended.service.NamedQuirkService")
.methodName("doQuirk")
.build();
List<CallChain> chains = engine.findChains(List.of(ep), List.of(tp));
System.out.println("CHAINS FOUND: " + chains.size()); assertThat(chains).hasSize(1);
assertThat(chains.get(0).getMethodChain())
.containsExactly(
"click.kamil.examples.statemachine.extended.config.BeanParameterTestConfig.myBeanParamTester",
"click.kamil.examples.statemachine.extended.service.NamedQuirkService.doQuirk"
);
}
@Test
void shouldResolveOrderedBeanInjection() {
EntryPoint ep = EntryPoint.builder()
.className("click.kamil.examples.statemachine.extended.web.OrderedTestController")
.methodName("testOrder")
.build();
TriggerPoint tp = TriggerPoint.builder()
.className("click.kamil.examples.statemachine.extended.service.HighPriorityOrderedService")
.methodName("doAction")
.build();
List<CallChain> chains = engine.findChains(List.of(ep), List.of(tp));
System.out.println("CHAINS FOUND: " + chains.size()); assertThat(chains).hasSize(1);
assertThat(chains.get(0).getMethodChain())
.containsExactly(
"click.kamil.examples.statemachine.extended.web.OrderedTestController.testOrder",
"click.kamil.examples.statemachine.extended.service.HighPriorityOrderedService.doAction"
);
}
@Test
void shouldResolveFieldInjection() {
EntryPoint ep = EntryPoint.builder()
.className("click.kamil.examples.statemachine.extended.web.FieldInjectionController")
.methodName("testField")
.build();
TriggerPoint tp = TriggerPoint.builder()
.className("click.kamil.examples.statemachine.extended.service.NamedQuirkService")
.methodName("doQuirk")
.build();
List<CallChain> chains = engine.findChains(List.of(ep), List.of(tp));
System.out.println("CHAINS FOUND: " + chains.size()); assertThat(chains).hasSize(1);
assertThat(chains.get(0).getMethodChain()).contains(
"click.kamil.examples.statemachine.extended.web.FieldInjectionController.testField",
"click.kamil.examples.statemachine.extended.service.NamedQuirkService.doQuirk"
);
}
@Test
void shouldResolveSetterInjection() {
EntryPoint ep = EntryPoint.builder()
.className("click.kamil.examples.statemachine.extended.web.SetterInjectionController")
.methodName("testSetter")
.build();
TriggerPoint tp = TriggerPoint.builder()
.className("click.kamil.examples.statemachine.extended.service.NamedQuirkService")
.methodName("doQuirk")
.build();
List<CallChain> chains = engine.findChains(List.of(ep), List.of(tp));
System.out.println("CHAINS FOUND: " + chains.size()); assertThat(chains).hasSize(1);
assertThat(chains.get(0).getMethodChain()).contains(
"click.kamil.examples.statemachine.extended.web.SetterInjectionController.testSetter",
"click.kamil.examples.statemachine.extended.service.NamedQuirkService.doQuirk"
);
}
@Test
void shouldResolveAbstractInheritedBean() {
EntryPoint ep = EntryPoint.builder()
.className("click.kamil.examples.statemachine.extended.config.AbstractBaseConfig")
.methodName("inheritedBeanTester")
.build();
TriggerPoint tp = TriggerPoint.builder()
.className("click.kamil.examples.statemachine.extended.service.NamedQuirkService")
.methodName("doQuirk")
.build();
List<CallChain> chains = engine.findChains(List.of(ep), List.of(tp));
System.out.println("CHAINS FOUND: " + chains.size()); assertThat(chains).hasSize(1);
assertThat(chains.get(0).getMethodChain()).contains(
"click.kamil.examples.statemachine.extended.config.AbstractBaseConfig.inheritedBeanTester",
"click.kamil.examples.statemachine.extended.service.NamedQuirkService.doQuirk"
);
}
@Test
void shouldResolveAmbiguousListFallback() {
EntryPoint ep = EntryPoint.builder()
.className("click.kamil.examples.statemachine.extended.web.ListInjectionController")
.methodName("testList")
.build();
TriggerPoint tp1 = TriggerPoint.builder()
.className("click.kamil.examples.statemachine.extended.service.AmbiguousA")
.methodName("doAmbig")
.build();
TriggerPoint tp2 = TriggerPoint.builder()
.className("click.kamil.examples.statemachine.extended.service.AmbiguousB")
.methodName("doAmbig")
.build();
List<CallChain> chains1 = engine.findChains(List.of(ep), List.of(tp1));
List<CallChain> chains2 = engine.findChains(List.of(ep), List.of(tp2));
assertThat(chains1).isNotEmpty();
assertThat(chains1.get(0).getMethodChain()).contains(
"click.kamil.examples.statemachine.extended.web.ListInjectionController.testList",
"click.kamil.examples.statemachine.extended.service.AmbiguousA.doAmbig"
);
assertThat(chains2).isNotEmpty();
assertThat(chains2.get(0).getMethodChain()).contains(
"click.kamil.examples.statemachine.extended.web.ListInjectionController.testList",
"click.kamil.examples.statemachine.extended.service.AmbiguousB.doAmbig"
);
}
@Test
void shouldResolveConcreteReturnType() {
EntryPoint ep = EntryPoint.builder()
.className("click.kamil.examples.statemachine.extended.web.ConcreteReturnTypeController")
.methodName("testConcrete")
.build();
TriggerPoint tp = TriggerPoint.builder()
.className("click.kamil.examples.statemachine.extended.service.QualifierQuirkService")
.methodName("doQuirk")
.build();
List<CallChain> chains = engine.findChains(List.of(ep), List.of(tp));
System.out.println("CHAINS FOUND: " + chains.size()); assertThat(chains).hasSize(1);
assertThat(chains.get(0).getMethodChain()).contains(
"click.kamil.examples.statemachine.extended.web.ConcreteReturnTypeController.testConcrete",
"click.kamil.examples.statemachine.extended.service.QualifierQuirkService.doQuirk"
);
}
}

View File

@@ -0,0 +1,71 @@
package click.kamil.springstatemachineexporter.analysis.service;
import click.kamil.springstatemachineexporter.analysis.model.CallChain;
import click.kamil.springstatemachineexporter.analysis.model.EntryPoint;
import click.kamil.springstatemachineexporter.analysis.model.TriggerPoint;
import click.kamil.springstatemachineexporter.ast.common.CodebaseContext;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.io.TempDir;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.List;
import static org.assertj.core.api.Assertions.assertThat;
class SuperMethodInvocationTest {
@Test
void shouldHandleSuperMethodInvocation(@TempDir Path tempDir) throws IOException {
String source = """
package com.example;
public class OrderController {
private OrderService service;
public void processOrderEvent(DerivedEvent domainEvent) {
service.updateOrderState(domainEvent.getType());
}
}
class OrderService {
public void updateOrderState(OrderEvents event) {}
}
class BaseEvent {
public OrderEvents getType() {
return OrderEvents.PAY;
}
}
class DerivedEvent extends BaseEvent {
public OrderEvents getType() {
return super.getType();
}
}
enum OrderEvents { PAY }
""";
Files.writeString(tempDir.resolve("OrderConfig.java"), source);
CodebaseContext context = new CodebaseContext();
context.scan(tempDir);
HeuristicCallGraphEngine builder = new HeuristicCallGraphEngine(context);
EntryPoint entryPoint = EntryPoint.builder()
.className("com.example.OrderController")
.methodName("processOrderEvent")
.build();
TriggerPoint trigger = TriggerPoint.builder()
.className("com.example.OrderService")
.methodName("updateOrderState")
.event("event")
.build();
List<CallChain> chains = builder.findChains(List.of(entryPoint), List.of(trigger));
assertThat(chains).hasSize(1);
CallChain chain = chains.get(0);
assertThat(chain.getTriggerPoint().getPolymorphicEvents())
.contains("OrderEvents.PAY");
}
}

View File

@@ -0,0 +1,89 @@
package click.kamil.springstatemachineexporter.analysis.spring;
import click.kamil.springstatemachineexporter.ast.common.CodebaseContext;
import click.kamil.springstatemachineexporter.analysis.service.DynamicClasspathResolver;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import java.io.IOException;
import java.nio.file.Path;
import java.util.Collections;
import java.util.List;
import java.util.Set;
import static org.assertj.core.api.Assertions.assertThat;
class SpringContextScannerIntegrationTest {
private CodebaseContext context;
private SpringBeanRegistry registry;
@BeforeEach
void setUp() throws IOException {
Path projectRoot = Path.of("../state_machines/extended_analysis_sample").toAbsolutePath().normalize();
context = new CodebaseContext();
context.setProjectRoot(projectRoot);
context.setSourcepath(List.of(projectRoot.resolve("src/main/java").toString()));
DynamicClasspathResolver resolver = new DynamicClasspathResolver();
List<String> cp = resolver.resolveClasspath(projectRoot);
if (!cp.isEmpty()) {
context.setClasspath(cp);
}
context.setResolveBindings(true);
context.scan(Set.of(projectRoot), Collections.emptySet());
registry = new SpringBeanRegistry();
SpringContextScanner scanner = new SpringContextScanner(registry);
for (var cu : context.getCompilationUnits()) {
cu.accept(scanner);
}
}
@Test
void shouldFindStereotypeBeans() {
List<SpringBean> beans = registry.getBeans();
// PrimaryQuirkService
assertThat(beans).anySatisfy(bean -> {
assertThat(bean.getTypeFqn()).isEqualTo("click.kamil.examples.statemachine.extended.service.PrimaryQuirkService");
assertThat(bean.isPrimary()).isTrue();
assertThat(bean.getAssignableTypes()).contains("click.kamil.examples.statemachine.extended.service.QuirkService");
assertThat(bean.getBeanNames()).contains("primaryQuirkService");
});
// QualifierQuirkService
assertThat(beans).anySatisfy(bean -> {
assertThat(bean.getTypeFqn()).isEqualTo("click.kamil.examples.statemachine.extended.service.QualifierQuirkService");
assertThat(bean.isPrimary()).isFalse();
assertThat(bean.getBeanNames()).contains("qualifierQuirkService");
});
// NamedQuirkService (should have explicit name via @Service("customName"))
assertThat(beans).anySatisfy(bean -> {
assertThat(bean.getTypeFqn()).isEqualTo("click.kamil.examples.statemachine.extended.service.NamedQuirkService");
assertThat(bean.getBeanNames()).contains("customName");
});
// PaymentController (should be detected via @RestController)
assertThat(beans).anySatisfy(bean -> {
assertThat(bean.getTypeFqn()).isEqualTo("click.kamil.examples.statemachine.extended.web.PaymentController");
});
}
@Test
void shouldFindMethodBeans() {
List<SpringBean> beans = registry.getBeans();
// Beans created via @Bean
assertThat(beans).anySatisfy(bean -> {
assertThat(bean.getTypeFqn()).isEqualTo("java.lang.String");
assertThat(bean.getFactoryMethodName()).isEqualTo("myStringBean");
assertThat(bean.getBeanNames()).contains("customMockBean");
assertThat(bean.getDeclaringClassFqn()).isEqualTo("click.kamil.examples.statemachine.extended.config.MockBeanConfig");
});
}
}

View File

@@ -0,0 +1,220 @@
package click.kamil.springstatemachineexporter.analysis.spring;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import java.util.List;
import java.util.Set;
import static org.assertj.core.api.Assertions.assertThat;
class SpringDependencyResolverTest {
private SpringBeanRegistry registry;
private SpringDependencyResolver resolver;
@BeforeEach
void setUp() {
registry = new SpringBeanRegistry();
resolver = new SpringDependencyResolver(registry);
}
@Test
void shouldResolveSingleMatchByType() {
registry.addBean(SpringBean.builder()
.typeFqn("com.example.PaymentServiceImpl")
.assignableTypes(Set.of("com.example.PaymentService"))
.build());
List<SpringBean> resolved = resolver.resolve("com.example.PaymentService", null, "paymentService");
assertThat(resolved).hasSize(1);
assertThat(resolved.get(0).getTypeFqn()).isEqualTo("com.example.PaymentServiceImpl");
}
@Test
void shouldResolveByPrimaryWhenMultipleImplementationsExist() {
registry.addBean(SpringBean.builder()
.typeFqn("com.example.NormalService")
.assignableTypes(Set.of("com.example.PaymentService"))
.isPrimary(false)
.build());
registry.addBean(SpringBean.builder()
.typeFqn("com.example.PrimaryService")
.assignableTypes(Set.of("com.example.PaymentService"))
.isPrimary(true)
.build());
List<SpringBean> resolved = resolver.resolve("com.example.PaymentService", null, "paymentService");
assertThat(resolved).hasSize(1);
assertThat(resolved.get(0).getTypeFqn()).isEqualTo("com.example.PrimaryService");
}
@Test
void shouldResolveByQualifierWhenMultipleImplementationsExist() {
registry.addBean(SpringBean.builder()
.typeFqn("com.example.ServiceA")
.assignableTypes(Set.of("com.example.PaymentService"))
.qualifiers(Set.of("serviceA"))
.build());
registry.addBean(SpringBean.builder()
.typeFqn("com.example.ServiceB")
.assignableTypes(Set.of("com.example.PaymentService"))
.qualifiers(Set.of("serviceB"))
.build());
List<SpringBean> resolved = resolver.resolve("com.example.PaymentService", "serviceB", "paymentService");
assertThat(resolved).hasSize(1);
assertThat(resolved.get(0).getTypeFqn()).isEqualTo("com.example.ServiceB");
}
@Test
void shouldResolveByInjectionNameFallback() {
registry.addBean(SpringBean.builder()
.typeFqn("com.example.ServiceA")
.assignableTypes(Set.of("com.example.PaymentService"))
.beanNames(Set.of("serviceA"))
.build());
registry.addBean(SpringBean.builder()
.typeFqn("com.example.ServiceB")
.assignableTypes(Set.of("com.example.PaymentService"))
.beanNames(Set.of("specialService"))
.build());
// Qualifier is null, Primary is false. Should match by variable name "specialService"
List<SpringBean> resolved = resolver.resolve("com.example.PaymentService", null, "specialService");
assertThat(resolved).hasSize(1);
assertThat(resolved.get(0).getTypeFqn()).isEqualTo("com.example.ServiceB");
}
@Test
void shouldResolveByOrderWhenOtherFiltersTie() {
registry.addBean(SpringBean.builder()
.typeFqn("com.example.LowestOrderService")
.assignableTypes(Set.of("com.example.PaymentService"))
.order(Integer.MAX_VALUE) // Lowest precedence
.build());
registry.addBean(SpringBean.builder()
.typeFqn("com.example.HighestOrderService")
.assignableTypes(Set.of("com.example.PaymentService"))
.order(Integer.MIN_VALUE) // Highest precedence
.build());
registry.addBean(SpringBean.builder()
.typeFqn("com.example.MiddleOrderService")
.assignableTypes(Set.of("com.example.PaymentService"))
.order(0)
.build());
List<SpringBean> resolved = resolver.resolve("com.example.PaymentService", null, "someUnknownName");
assertThat(resolved).hasSize(1);
assertThat(resolved.get(0).getTypeFqn()).isEqualTo("com.example.HighestOrderService");
}
@Test
void shouldResolveByOrderWithCustomValues() {
registry.addBean(SpringBean.builder()
.typeFqn("com.example.ServiceA")
.assignableTypes(Set.of("com.example.PaymentService"))
.order(400)
.build());
registry.addBean(SpringBean.builder()
.typeFqn("com.example.ServiceB")
.assignableTypes(Set.of("com.example.PaymentService"))
.order(100)
.build());
registry.addBean(SpringBean.builder()
.typeFqn("com.example.ServiceC")
.assignableTypes(Set.of("com.example.PaymentService"))
.order(2147483647 + 400) // This wraps around in Java due to overflow, but let's test a very large valid value
.build());
List<SpringBean> resolved = resolver.resolve("com.example.PaymentService", null, "someUnknownName");
assertThat(resolved).hasSize(1);
assertThat(resolved.get(0).getTypeFqn()).isEqualTo("com.example.ServiceC");
}
@Test
void primaryShouldOverrideOrder() {
registry.addBean(SpringBean.builder()
.typeFqn("com.example.PrimaryButLowestOrder")
.assignableTypes(Set.of("com.example.PaymentService"))
.isPrimary(true)
.order(Integer.MAX_VALUE)
.build());
registry.addBean(SpringBean.builder()
.typeFqn("com.example.NotPrimaryButHighestOrder")
.assignableTypes(Set.of("com.example.PaymentService"))
.isPrimary(false)
.order(Integer.MIN_VALUE)
.build());
List<SpringBean> resolved = resolver.resolve("com.example.PaymentService", null, "someUnknownName");
assertThat(resolved).hasSize(1);
assertThat(resolved.get(0).getTypeFqn()).isEqualTo("com.example.PrimaryButLowestOrder");
}
@Test
void qualifierShouldOverridePrimaryAndOrder() {
registry.addBean(SpringBean.builder()
.typeFqn("com.example.PrimaryService")
.assignableTypes(Set.of("com.example.PaymentService"))
.isPrimary(true)
.order(Integer.MIN_VALUE)
.qualifiers(Set.of("primary"))
.build());
registry.addBean(SpringBean.builder()
.typeFqn("com.example.QualifiedService")
.assignableTypes(Set.of("com.example.PaymentService"))
.isPrimary(false)
.order(Integer.MAX_VALUE)
.qualifiers(Set.of("targetQualifier"))
.build());
List<SpringBean> resolved = resolver.resolve("com.example.PaymentService", "targetQualifier", "someUnknownName");
assertThat(resolved).hasSize(1);
assertThat(resolved.get(0).getTypeFqn()).isEqualTo("com.example.QualifiedService");
}
@Test
void shouldReturnMultipleWhenOrderIsTied() {
registry.addBean(SpringBean.builder()
.typeFqn("com.example.ServiceA")
.assignableTypes(Set.of("com.example.PaymentService"))
.order(10)
.build());
registry.addBean(SpringBean.builder()
.typeFqn("com.example.ServiceB")
.assignableTypes(Set.of("com.example.PaymentService"))
.order(10)
.build());
registry.addBean(SpringBean.builder()
.typeFqn("com.example.ServiceC")
.assignableTypes(Set.of("com.example.PaymentService"))
.order(20)
.build());
List<SpringBean> resolved = resolver.resolve("com.example.PaymentService", null, "someUnknownName");
assertThat(resolved).hasSize(2);
assertThat(resolved.stream().map(SpringBean::getTypeFqn))
.containsExactlyInAnyOrder("com.example.ServiceA", "com.example.ServiceB");
}
}

View File

@@ -261,6 +261,56 @@ class AstTransitionParserTest {
.contains("System.out.println(\"Hello\")");
}
@Test
void shouldExtractInternalLogicForSameFileMethodReturningLambda() {
String source = """
import org.springframework.statemachine.config.builders.StateMachineTransitionConfigurer;
import org.springframework.statemachine.guard.Guard;
public class TestClass {
public void configure(StateMachineTransitionConfigurer<String, String> transitions) throws Exception {
transitions
.withExternal()
.source("S1")
.target("S2")
.guard(guardVarEquals("test"));
}
protected Guard<String, String> guardVarEquals(String expected) {
return context -> {
return expected.equals(context.getMessage());
};
}
}
""";
MethodDeclaration method = createMethodDeclarationWithBindings(source);
List<Transition> transitions = AstTransitionParser.parseTransitions(method, context);
assertThat(transitions).hasSize(1);
assertThat(transitions.getFirst().getGuard().internalLogic())
.contains("return expected.equals(context.getMessage());")
.doesNotContain("protected Guard<String, String> guardVarEquals");
}
private MethodDeclaration createMethodDeclarationWithBindings(String source) {
ASTParser parser = ASTParser.newParser(AST.getJLSLatest());
parser.setKind(ASTParser.K_COMPILATION_UNIT);
parser.setResolveBindings(true);
parser.setBindingsRecovery(true);
parser.setEnvironment(new String[0], new String[0], null, true);
parser.setUnitName("TestClass.java");
parser.setSource(source.toCharArray());
CompilationUnit cu = (CompilationUnit) parser.createAST(null);
if (cu.types().isEmpty()) {
return null;
}
TypeDeclaration typeDecl = (TypeDeclaration) cu.types().getFirst();
MethodDeclaration[] methods = typeDecl.getMethods();
if (methods.length > 0) {
return methods[0];
}
return null;
}
private MethodDeclaration createMethodDeclaration(String source) {
ASTParser parser = ASTParser.newParser(AST.getJLSLatest());
parser.setKind(ASTParser.K_COMPILATION_UNIT);

View File

@@ -20,6 +20,36 @@
"sourceState" : null,
"lineNumber" : 16,
"polymorphicEvents" : null
}, {
"event" : "FALLBACK_EVENT",
"className" : "click.kamil.examples.statemachine.extended.service.FallbackQuirkService",
"methodName" : "doQuirk",
"sourceFile" : "src/main/java/click/kamil/examples/statemachine/extended/service/FallbackQuirkService.java",
"sourceModule" : null,
"stateMachineId" : null,
"sourceState" : null,
"lineNumber" : 17,
"polymorphicEvents" : null
}, {
"event" : "PROFILED_EVENT",
"className" : "click.kamil.examples.statemachine.extended.service.ProfiledQuirkService",
"methodName" : "doQuirk",
"sourceFile" : "src/main/java/click/kamil/examples/statemachine/extended/service/ProfiledQuirkService.java",
"sourceModule" : null,
"stateMachineId" : null,
"sourceState" : null,
"lineNumber" : 19,
"polymorphicEvents" : null
}, {
"event" : "PRIMARY_EVENT",
"className" : "click.kamil.examples.statemachine.extended.service.PrimaryQuirkService",
"methodName" : "doQuirk",
"sourceFile" : "src/main/java/click/kamil/examples/statemachine/extended/service/PrimaryQuirkService.java",
"sourceModule" : null,
"stateMachineId" : null,
"sourceState" : null,
"lineNumber" : 19,
"polymorphicEvents" : null
}, {
"event" : "EXTERNAL_TRIGGER",
"className" : "click.kamil.examples.statemachine.extended.service.OrderService",
@@ -60,6 +90,56 @@
"sourceState" : null,
"lineNumber" : 29,
"polymorphicEvents" : null
}, {
"event" : "QUALIFIER_EVENT",
"className" : "click.kamil.examples.statemachine.extended.service.QualifierQuirkService",
"methodName" : "doQuirk",
"sourceFile" : "src/main/java/click/kamil/examples/statemachine/extended/service/QualifierQuirkService.java",
"sourceModule" : null,
"stateMachineId" : null,
"sourceState" : null,
"lineNumber" : 17,
"polymorphicEvents" : null
}, {
"event" : "NAMED_EVENT",
"className" : "click.kamil.examples.statemachine.extended.service.NamedQuirkService",
"methodName" : "doQuirk",
"sourceFile" : "src/main/java/click/kamil/examples/statemachine/extended/service/NamedQuirkService.java",
"sourceModule" : null,
"stateMachineId" : null,
"sourceState" : null,
"lineNumber" : 17,
"polymorphicEvents" : null
}, {
"event" : "AUTHORIZE",
"className" : "click.kamil.examples.statemachine.extended.service.PaymentServiceImpl",
"methodName" : "processPayment",
"sourceFile" : "src/main/java/click/kamil/examples/statemachine/extended/service/PaymentServiceImpl.java",
"sourceModule" : null,
"stateMachineId" : null,
"sourceState" : null,
"lineNumber" : 22,
"polymorphicEvents" : null
}, {
"event" : "CAPTURE",
"className" : "click.kamil.examples.statemachine.extended.service.PaymentServiceImpl",
"methodName" : "capturePayment",
"sourceFile" : "src/main/java/click/kamil/examples/statemachine/extended/service/PaymentServiceImpl.java",
"sourceModule" : null,
"stateMachineId" : null,
"sourceState" : null,
"lineNumber" : 35,
"polymorphicEvents" : null
}, {
"event" : "[LIFECYCLE:RESTORE]",
"className" : "click.kamil.examples.statemachine.extended.service.PaymentServiceImpl",
"methodName" : "capturePayment",
"sourceFile" : null,
"sourceModule" : null,
"stateMachineId" : null,
"sourceState" : null,
"lineNumber" : 28,
"polymorphicEvents" : null
}, {
"event" : "REACTIVE_EVENT",
"className" : "click.kamil.examples.statemachine.extended.service.ReactiveOrderService",
@@ -144,6 +224,135 @@
"interceptorType" : "Spring MVC Interceptor"
},
"parameters" : [ ]
}, {
"type" : "REST",
"name" : "GET /test-setter",
"className" : "click.kamil.examples.statemachine.extended.web.SetterInjectionController",
"methodName" : "testSetter",
"sourceFile" : "src/main/java/click/kamil/examples/statemachine/extended/web/SetterInjectionController.java",
"metadata" : {
"path" : "/test-setter",
"verb" : "GET"
},
"parameters" : [ ]
}, {
"type" : "REST",
"name" : "POST /api/quirk/primary",
"className" : "click.kamil.examples.statemachine.extended.web.QuirkController",
"methodName" : "testPrimary",
"sourceFile" : "src/main/java/click/kamil/examples/statemachine/extended/web/QuirkController.java",
"metadata" : {
"path" : "/api/quirk/primary",
"verb" : "POST"
},
"parameters" : [ ]
}, {
"type" : "REST",
"name" : "POST /api/quirk/named",
"className" : "click.kamil.examples.statemachine.extended.web.QuirkController",
"methodName" : "testNamed",
"sourceFile" : "src/main/java/click/kamil/examples/statemachine/extended/web/QuirkController.java",
"metadata" : {
"path" : "/api/quirk/named",
"verb" : "POST"
},
"parameters" : [ ]
}, {
"type" : "REST",
"name" : "POST /api/quirk/qualifier",
"className" : "click.kamil.examples.statemachine.extended.web.QuirkController",
"methodName" : "testQualifier",
"sourceFile" : "src/main/java/click/kamil/examples/statemachine/extended/web/QuirkController.java",
"metadata" : {
"path" : "/api/quirk/qualifier",
"verb" : "POST"
},
"parameters" : [ ]
}, {
"type" : "REST",
"name" : "POST /api/quirk/fallback",
"className" : "click.kamil.examples.statemachine.extended.web.QuirkController",
"methodName" : "testFallback",
"sourceFile" : "src/main/java/click/kamil/examples/statemachine/extended/web/QuirkController.java",
"metadata" : {
"path" : "/api/quirk/fallback",
"verb" : "POST"
},
"parameters" : [ ]
}, {
"type" : "REST",
"name" : "GET /test-order",
"className" : "click.kamil.examples.statemachine.extended.web.OrderedTestController",
"methodName" : "testOrder",
"sourceFile" : "src/main/java/click/kamil/examples/statemachine/extended/web/OrderedTestController.java",
"metadata" : {
"path" : "/test-order",
"verb" : "GET"
},
"parameters" : [ ]
}, {
"type" : "REST",
"name" : "GET /test-concrete",
"className" : "click.kamil.examples.statemachine.extended.web.ConcreteReturnTypeController",
"methodName" : "testConcrete",
"sourceFile" : "src/main/java/click/kamil/examples/statemachine/extended/web/ConcreteReturnTypeController.java",
"metadata" : {
"path" : "/test-concrete",
"verb" : "GET"
},
"parameters" : [ ]
}, {
"type" : "REST",
"name" : "GET /test-field",
"className" : "click.kamil.examples.statemachine.extended.web.FieldInjectionController",
"methodName" : "testField",
"sourceFile" : "src/main/java/click/kamil/examples/statemachine/extended/web/FieldInjectionController.java",
"metadata" : {
"path" : "/test-field",
"verb" : "GET"
},
"parameters" : [ ]
}, {
"type" : "REST",
"name" : "GET /test-list",
"className" : "click.kamil.examples.statemachine.extended.web.ListInjectionController",
"methodName" : "testList",
"sourceFile" : "src/main/java/click/kamil/examples/statemachine/extended/web/ListInjectionController.java",
"metadata" : {
"path" : "/test-list",
"verb" : "GET"
},
"parameters" : [ ]
}, {
"type" : "REST",
"name" : "GET /api/base/{id}",
"className" : "click.kamil.examples.statemachine.extended.web.PaymentController",
"methodName" : "processBaseEndpoint",
"sourceFile" : "src/main/java/click/kamil/examples/statemachine/extended/web/PaymentController.java",
"metadata" : {
"path" : "/api/base/{id}",
"verb" : "GET"
},
"parameters" : [ {
"name" : "id",
"type" : "String",
"annotations" : [ "PathVariable" ]
} ]
}, {
"type" : "REST",
"name" : "POST /api/payment/{id}/capture",
"className" : "click.kamil.examples.statemachine.extended.web.PaymentController",
"methodName" : "capturePaymentEndpoint",
"sourceFile" : "src/main/java/click/kamil/examples/statemachine/extended/web/PaymentController.java",
"metadata" : {
"path" : "/api/payment/{id}/capture",
"verb" : "POST"
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@@ -365,6 +574,288 @@
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View File

@@ -20,6 +20,36 @@
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@@ -60,6 +90,56 @@
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@@ -144,6 +224,135 @@
"interceptorType" : "Spring MVC Interceptor"
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@@ -365,6 +574,288 @@
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View File

@@ -0,0 +1,15 @@
digraph statemachine {
rankdir=LR;
node [shape=rounded, style=filled, fillcolor=white, fontname="Arial"];
edge [fontname="Arial", fontsize=10];
_start [shape=circle, label="", fillcolor=black, width=0.1];
_start -> SUBMITTED;
CANCELED [fillcolor=lightgray];
FULFILLED [fillcolor=lightgray];
SUBMITTED -> PAID [label="OrderEvents.PAY", style="solid", color="black"];
PAID -> FULFILLED [label="OrderEvents.FULFILL", style="solid", color="black"];
SUBMITTED -> CANCELED [label="OrderEvents.CANCEL", style="solid", color="black"];
PAID -> CANCELED [label="OrderEvents.ABCD", style="solid", color="black"];
}

View File

@@ -0,0 +1,639 @@
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"event" : "event",
"className" : "click.kamil.examples.statemachine.polymorphic.OrderService",
"methodName" : "processEvent",
"sourceFile" : "src/main/java/click/kamil/examples/statemachine/polymorphic/OrderService.java",
"sourceModule" : null,
"stateMachineId" : null,
"sourceState" : null,
"lineNumber" : 13,
"polymorphicEvents" : null
},
"contextMachineId" : null,
"matchedTransitions" : [ {
"sourceState" : "OrderStates.SUBMITTED",
"targetState" : "OrderStates.PAID",
"event" : "OrderEvents.PAY"
}, {
"sourceState" : "OrderStates.PAID",
"targetState" : "OrderStates.FULFILLED",
"event" : "OrderEvents.FULFILL"
}, {
"sourceState" : "OrderStates.SUBMITTED",
"targetState" : "OrderStates.CANCELED",
"event" : "OrderEvents.CANCEL"
}, {
"sourceState" : "OrderStates.PAID",
"targetState" : "OrderStates.CANCELED",
"event" : "OrderEvents.ABCD"
} ]
}, {
"entryPoint" : {
"type" : "REST",
"name" : "POST /pay-builder-static",
"className" : "click.kamil.examples.statemachine.polymorphic.PolymorphicController",
"methodName" : "payBuilderStatic",
"sourceFile" : "src/main/java/click/kamil/examples/statemachine/polymorphic/PolymorphicController.java",
"metadata" : {
"path" : "/pay-builder-static",
"verb" : "POST"
},
"parameters" : [ ]
},
"methodChain" : [ "click.kamil.examples.statemachine.polymorphic.PolymorphicController.payBuilderStatic", "click.kamil.examples.statemachine.polymorphic.OrderService.processEvent" ],
"triggerPoint" : {
"event" : "EventBuilder.buildEvent()",
"className" : "click.kamil.examples.statemachine.polymorphic.OrderService",
"methodName" : "processEvent",
"sourceFile" : "src/main/java/click/kamil/examples/statemachine/polymorphic/OrderService.java",
"sourceModule" : null,
"stateMachineId" : null,
"sourceState" : null,
"lineNumber" : 13,
"polymorphicEvents" : [ "OrderEvents.FULFILL" ]
},
"contextMachineId" : null,
"matchedTransitions" : [ {
"sourceState" : "OrderStates.PAID",
"targetState" : "OrderStates.FULFILLED",
"event" : "OrderEvents.FULFILL"
} ]
}, {
"entryPoint" : {
"type" : "REST",
"name" : "POST /pay-builder-instance",
"className" : "click.kamil.examples.statemachine.polymorphic.PolymorphicController",
"methodName" : "payBuilderInstance",
"sourceFile" : "src/main/java/click/kamil/examples/statemachine/polymorphic/PolymorphicController.java",
"metadata" : {
"path" : "/pay-builder-instance",
"verb" : "POST"
},
"parameters" : [ ]
},
"methodChain" : [ "click.kamil.examples.statemachine.polymorphic.PolymorphicController.payBuilderInstance", "click.kamil.examples.statemachine.polymorphic.OrderService.processEvent" ],
"triggerPoint" : {
"event" : "new EventBuilder().buildInstanceEvent()",
"className" : "click.kamil.examples.statemachine.polymorphic.OrderService",
"methodName" : "processEvent",
"sourceFile" : "src/main/java/click/kamil/examples/statemachine/polymorphic/OrderService.java",
"sourceModule" : null,
"stateMachineId" : null,
"sourceState" : null,
"lineNumber" : 13,
"polymorphicEvents" : [ "OrderEvents.CANCEL" ]
},
"contextMachineId" : null,
"matchedTransitions" : [ {
"sourceState" : "OrderStates.SUBMITTED",
"targetState" : "OrderStates.CANCELED",
"event" : "OrderEvents.CANCEL"
} ]
}, {
"entryPoint" : {
"type" : "REST",
"name" : "POST /abcd",
"className" : "click.kamil.examples.statemachine.polymorphic.PolymorphicController",
"methodName" : "abcd",
"sourceFile" : "src/main/java/click/kamil/examples/statemachine/polymorphic/PolymorphicController.java",
"metadata" : {
"path" : "/abcd",
"verb" : "POST"
},
"parameters" : [ ]
},
"methodChain" : [ "click.kamil.examples.statemachine.polymorphic.PolymorphicController.abcd", "click.kamil.examples.statemachine.polymorphic.OrderService.processCustomEvent" ],
"triggerPoint" : {
"event" : "new AbcdEvent()",
"className" : "click.kamil.examples.statemachine.polymorphic.OrderService",
"methodName" : "processCustomEvent",
"sourceFile" : "src/main/java/click/kamil/examples/statemachine/polymorphic/OrderService.java",
"sourceModule" : null,
"stateMachineId" : null,
"sourceState" : null,
"lineNumber" : 21,
"polymorphicEvents" : [ "OrderEvents.ABCD" ]
},
"contextMachineId" : null,
"matchedTransitions" : [ {
"sourceState" : "OrderStates.PAID",
"targetState" : "OrderStates.CANCELED",
"event" : "OrderEvents.ABCD"
} ]
}, {
"entryPoint" : {
"type" : "REST",
"name" : "POST /mystery",
"className" : "click.kamil.examples.statemachine.polymorphic.PolymorphicController",
"methodName" : "mystery",
"sourceFile" : "src/main/java/click/kamil/examples/statemachine/polymorphic/PolymorphicController.java",
"metadata" : {
"path" : "/mystery",
"verb" : "POST"
},
"parameters" : [ ]
},
"methodChain" : [ "click.kamil.examples.statemachine.polymorphic.PolymorphicController.mystery", "click.kamil.examples.statemachine.polymorphic.OrderService.processCustomEvent" ],
"triggerPoint" : {
"event" : "new MysteryPayload()",
"className" : "click.kamil.examples.statemachine.polymorphic.OrderService",
"methodName" : "processCustomEvent",
"sourceFile" : "src/main/java/click/kamil/examples/statemachine/polymorphic/OrderService.java",
"sourceModule" : null,
"stateMachineId" : null,
"sourceState" : null,
"lineNumber" : 21,
"polymorphicEvents" : [ "OrderEvents.ABCD", "OrderEvents.PAY" ]
},
"contextMachineId" : null,
"matchedTransitions" : [ {
"sourceState" : "OrderStates.SUBMITTED",
"targetState" : "OrderStates.PAID",
"event" : "OrderEvents.PAY"
}, {
"sourceState" : "OrderStates.PAID",
"targetState" : "OrderStates.CANCELED",
"event" : "OrderEvents.ABCD"
} ]
} ],
"properties" : {
"default" : {
"spring.application.name" : "statemachinedemo"
}
}
},
"name" : "click.kamil.examples.statemachine.polymorphic.PolymorphicStateMachineConfiguration",
"renderChoicesAsDiamonds" : true,
"startStates" : [ "OrderStates.SUBMITTED" ],
"transitions" : [ {
"type" : "EXTERNAL",
"sourceStates" : [ {
"rawName" : "OrderStates.SUBMITTED",
"fullIdentifier" : "OrderStates.SUBMITTED"
} ],
"targetStates" : [ {
"rawName" : "OrderStates.PAID",
"fullIdentifier" : "OrderStates.PAID"
} ],
"event" : {
"rawName" : "OrderEvents.PAY",
"fullIdentifier" : "OrderEvents.PAY"
},
"guard" : null,
"actions" : [ ],
"order" : null
}, {
"type" : "EXTERNAL",
"sourceStates" : [ {
"rawName" : "OrderStates.PAID",
"fullIdentifier" : "OrderStates.PAID"
} ],
"targetStates" : [ {
"rawName" : "OrderStates.FULFILLED",
"fullIdentifier" : "OrderStates.FULFILLED"
} ],
"event" : {
"rawName" : "OrderEvents.FULFILL",
"fullIdentifier" : "OrderEvents.FULFILL"
},
"guard" : null,
"actions" : [ ],
"order" : null
}, {
"type" : "EXTERNAL",
"sourceStates" : [ {
"rawName" : "OrderStates.SUBMITTED",
"fullIdentifier" : "OrderStates.SUBMITTED"
} ],
"targetStates" : [ {
"rawName" : "OrderStates.CANCELED",
"fullIdentifier" : "OrderStates.CANCELED"
} ],
"event" : {
"rawName" : "OrderEvents.CANCEL",
"fullIdentifier" : "OrderEvents.CANCEL"
},
"guard" : null,
"actions" : [ ],
"order" : null
}, {
"type" : "EXTERNAL",
"sourceStates" : [ {
"rawName" : "OrderStates.PAID",
"fullIdentifier" : "OrderStates.PAID"
} ],
"targetStates" : [ {
"rawName" : "OrderStates.CANCELED",
"fullIdentifier" : "OrderStates.CANCELED"
} ],
"event" : {
"rawName" : "OrderEvents.ABCD",
"fullIdentifier" : "OrderEvents.ABCD"
},
"guard" : null,
"actions" : [ ],
"order" : null
} ],
"endStates" : [ "OrderStates.CANCELED", "OrderStates.FULFILLED" ]
}

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@@ -0,0 +1,35 @@
@startuml
!pragma layout smetana
set separator none
hide empty description
hide stereotype
skinparam state {
BackgroundColor white
BorderColor #94a3b8
BorderThickness 1
FontName Inter
FontSize 9
FontStyle bold
RoundCorner 20
Padding 1
}
skinparam shadowing false
skinparam ArrowFontName JetBrains Mono
skinparam ArrowFontSize 8
skinparam ArrowColor #cbd5e1
skinparam ArrowThickness 1
skinparam dpi 110
skinparam svgLinkTarget _self
[*] --> OrderStates.SUBMITTED
OrderStates.SUBMITTED -[#1E90FF,bold]-> OrderStates.PAID <<external>> : OrderEvents.PAY
OrderStates.PAID -[#1E90FF,bold]-> OrderStates.FULFILLED <<external>> : OrderEvents.FULFILL
OrderStates.SUBMITTED -[#1E90FF,bold]-> OrderStates.CANCELED <<external>> : OrderEvents.CANCEL
OrderStates.PAID -[#1E90FF,bold]-> OrderStates.CANCELED <<external>> : OrderEvents.ABCD
OrderStates.CANCELED --> [*]
OrderStates.FULFILLED --> [*]
@enduml

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@@ -0,0 +1,16 @@
<?xml version="1.0" encoding="UTF-8"?>
<scxml xmlns="http://www.w3.org/2005/07/scxml" version="1.0" initial="SUBMITTED">
<state id="SUBMITTED">
<transition target="PAID" event="OrderEvents.PAY"/>
<transition target="CANCELED" event="OrderEvents.CANCEL"/>
</state>
<state id="PAID">
<transition target="FULFILLED" event="OrderEvents.FULFILL"/>
<transition target="CANCELED" event="OrderEvents.ABCD"/>
</state>
<state id="FULFILLED">
</state>
<state id="CANCELED">
</state>
</scxml>

View File

@@ -1,6 +1,37 @@
HELP.md
.gradle
build/
!gradle/wrapper/gradle-wrapper.jar
!**/src/main/**/build/
!**/src/test/**/build/
### STS ###
.apt_generated
.classpath
.factorypath
.project
.settings
.springBeans
.sts4-cache
bin/
!**/src/main/**/bin/
!**/src/test/**/bin/
### IntelliJ IDEA ###
.idea
*.iws
*.iml
*.ipr
out/
.gradle/
.idea/
*.class
*.log
!**/src/main/**/out/
!**/src/test/**/out/
### NetBeans ###
/nbproject/private/
/nbbuild/
/dist/
/nbdist/
/.nb-gradle/
### VS Code ###
.vscode/

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@@ -0,0 +1,14 @@
package click.kamil.examples.statemachine.extended.config;
import click.kamil.examples.statemachine.extended.service.QuirkService;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
public abstract class AbstractBaseConfig {
@Bean
public String inheritedBeanTester(@Qualifier("customName") QuirkService someService) {
someService.doQuirk();
return "inherited";
}
}

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@@ -0,0 +1,17 @@
package click.kamil.examples.statemachine.extended.config;
import click.kamil.examples.statemachine.extended.service.QuirkService;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
@Configuration
public class BeanParameterTestConfig extends AbstractBaseConfig {
@Bean
public String myBeanParamTester(@Qualifier("customName") QuirkService someService) {
// We will use this method as an entry point in the test
someService.doQuirk();
return "tested";
}
}

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@@ -0,0 +1,15 @@
package click.kamil.examples.statemachine.extended.config;
import click.kamil.examples.statemachine.extended.service.QuirkService;
import click.kamil.examples.statemachine.extended.service.QualifierQuirkService;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
@Configuration
public class ConcreteReturnTypeConfig {
@Bean
public QuirkService hiddenConcreteService() {
return new QualifierQuirkService(); // It returns an interface, but the concrete type is QualifierQuirkService
}
}

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@@ -0,0 +1,13 @@
package click.kamil.examples.statemachine.extended.config;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
@Configuration
public class MockBeanConfig {
@Bean(name = {"customMockBean", "aliasMockBean"})
public String myStringBean() {
return "Hello World";
}
}

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@@ -0,0 +1,58 @@
package click.kamil.examples.statemachine.extended.config;
import org.springframework.context.annotation.Configuration;
import org.springframework.statemachine.config.EnableStateMachine;
import org.springframework.statemachine.config.StateMachineConfigurerAdapter;
import org.springframework.statemachine.config.builders.StateMachineStateConfigurer;
import org.springframework.statemachine.config.builders.StateMachineTransitionConfigurer;
@Configuration
@EnableStateMachine(name = "paymentStateMachine")
public class PaymentStateMachineConfig extends StateMachineConfigurerAdapter<String, String> {
@Override
public void configure(StateMachineStateConfigurer<String, String> states) throws Exception {
states
.withStates()
.initial("NEW")
.state("AUTHORIZED")
.state("CAPTURED")
.state("DECLINED")
.state("QUIRK1")
.state("QUIRK2")
.state("QUIRK3")
.state("QUIRK4");
}
@Override
public void configure(StateMachineTransitionConfigurer<String, String> transitions) throws Exception {
transitions
.withExternal()
.source("NEW").target("AUTHORIZED")
.event("AUTHORIZE")
.and()
.withExternal()
.source("AUTHORIZED").target("CAPTURED")
.event("CAPTURE")
.and()
.withExternal()
.source("NEW").target("DECLINED")
.event("DECLINE")
.and()
.withExternal()
.source("NEW").target("QUIRK1")
.event("PRIMARY_EVENT")
.and()
.withExternal()
.source("NEW").target("QUIRK2")
.event("NAMED_EVENT")
.and()
.withExternal()
.source("NEW").target("QUIRK3")
.event("QUALIFIER_EVENT")
.and()
.withExternal()
.source("NEW").target("QUIRK4")
.event("FALLBACK_EVENT");
}
}

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@@ -0,0 +1,9 @@
package click.kamil.examples.statemachine.extended.service;
import org.springframework.stereotype.Service;
@Service
public class AmbiguousA implements AmbiguousService {
@Override
public void doAmbig() {}
}

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@@ -0,0 +1,9 @@
package click.kamil.examples.statemachine.extended.service;
import org.springframework.stereotype.Service;
@Service
public class AmbiguousB implements AmbiguousService {
@Override
public void doAmbig() {}
}

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@@ -0,0 +1,5 @@
package click.kamil.examples.statemachine.extended.service;
public interface AmbiguousService {
void doAmbig();
}

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@@ -0,0 +1,19 @@
package click.kamil.examples.statemachine.extended.service;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.statemachine.StateMachine;
import org.springframework.stereotype.Service;
@Service
public class FallbackQuirkService implements QuirkService {
@Autowired
@Qualifier("paymentStateMachine")
private StateMachine<String, String> stateMachine;
@Override
public void doQuirk() {
stateMachine.sendEvent("FALLBACK_EVENT");
}
}

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@@ -0,0 +1,12 @@
package click.kamil.examples.statemachine.extended.service;
import org.springframework.core.Ordered;
import org.springframework.core.annotation.Order;
import org.springframework.stereotype.Service;
@Service
@Order(Ordered.HIGHEST_PRECEDENCE)
public class HighPriorityOrderedService implements OrderedService {
@Override
public void doAction() {}
}

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@@ -0,0 +1,11 @@
package click.kamil.examples.statemachine.extended.service;
import org.springframework.core.annotation.Order;
import org.springframework.stereotype.Service;
@Service
@Order(10)
public class LowPriorityOrderedService implements OrderedService {
@Override
public void doAction() {}
}

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@@ -0,0 +1,19 @@
package click.kamil.examples.statemachine.extended.service;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.statemachine.StateMachine;
import org.springframework.stereotype.Service;
@Service("customName")
public class NamedQuirkService implements QuirkService {
@Autowired
@Qualifier("paymentStateMachine")
private StateMachine<String, String> stateMachine;
@Override
public void doQuirk() {
stateMachine.sendEvent("NAMED_EVENT");
}
}

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@@ -0,0 +1,5 @@
package click.kamil.examples.statemachine.extended.service;
public interface OrderedService {
void doAction();
}

View File

@@ -0,0 +1,6 @@
package click.kamil.examples.statemachine.extended.service;
public interface PaymentService {
void processPayment(String paymentId);
void capturePayment(String paymentId);
}

View File

@@ -0,0 +1,37 @@
package click.kamil.examples.statemachine.extended.service;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.statemachine.StateMachine;
import org.springframework.statemachine.persist.StateMachinePersister;
import org.springframework.stereotype.Service;
@Service
public class PaymentServiceImpl implements PaymentService {
@Autowired
@Qualifier("paymentStateMachine")
private StateMachine<String, String> stateMachine;
@Autowired
private StateMachinePersister<String, String, String> persister;
@Override
public void processPayment(String paymentId) {
// Send a trigger mapped strictly to PaymentStateMachineConfig
stateMachine.sendEvent("AUTHORIZE");
}
@Override
public void capturePayment(String paymentId) {
try {
persister.restore(stateMachine, paymentId);
} catch (Exception e) {}
org.springframework.messaging.Message<String> msg = org.springframework.messaging.support.MessageBuilder
.withPayload("CAPTURE")
.setHeader("paymentId", paymentId)
.build();
stateMachine.sendEvent(msg);
}
}

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@@ -0,0 +1,21 @@
package click.kamil.examples.statemachine.extended.service;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Primary;
import org.springframework.statemachine.StateMachine;
import org.springframework.stereotype.Service;
@Service
@Primary
public class PrimaryQuirkService implements QuirkService {
@Autowired
@Qualifier("paymentStateMachine")
private StateMachine<String, String> stateMachine;
@Override
public void doQuirk() {
stateMachine.sendEvent("PRIMARY_EVENT");
}
}

View File

@@ -0,0 +1,21 @@
package click.kamil.examples.statemachine.extended.service;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Profile;
import org.springframework.statemachine.StateMachine;
import org.springframework.stereotype.Service;
@Service
@Profile("nonexistent")
public class ProfiledQuirkService implements QuirkService {
@Autowired
@Qualifier("paymentStateMachine")
private StateMachine<String, String> stateMachine;
@Override
public void doQuirk() {
stateMachine.sendEvent("PROFILED_EVENT");
}
}

View File

@@ -0,0 +1,19 @@
package click.kamil.examples.statemachine.extended.service;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.statemachine.StateMachine;
import org.springframework.stereotype.Service;
@Service
public class QualifierQuirkService implements QuirkService {
@Autowired
@Qualifier("paymentStateMachine")
private StateMachine<String, String> stateMachine;
@Override
public void doQuirk() {
stateMachine.sendEvent("QUALIFIER_EVENT");
}
}

View File

@@ -0,0 +1,5 @@
package click.kamil.examples.statemachine.extended.service;
public interface QuirkService {
void doQuirk();
}

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@@ -0,0 +1,10 @@
package click.kamil.examples.statemachine.extended.web;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
public interface BaseController {
@GetMapping("/api/base/{id}")
String processBaseEndpoint(@PathVariable String id);
}

View File

@@ -0,0 +1,21 @@
package click.kamil.examples.statemachine.extended.web;
import click.kamil.examples.statemachine.extended.service.QuirkService;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
public class ConcreteReturnTypeController {
private final QuirkService hiddenConcreteService;
public ConcreteReturnTypeController(@Qualifier("hiddenConcreteService") QuirkService hiddenConcreteService) {
this.hiddenConcreteService = hiddenConcreteService;
}
@GetMapping("/test-concrete")
public void testConcrete() {
hiddenConcreteService.doQuirk();
}
}

View File

@@ -0,0 +1,20 @@
package click.kamil.examples.statemachine.extended.web;
import click.kamil.examples.statemachine.extended.service.QuirkService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
public class FieldInjectionController {
@Autowired
@Qualifier("customName")
private QuirkService myFieldService;
@GetMapping("/test-field")
public void testField() {
myFieldService.doQuirk();
}
}

View File

@@ -0,0 +1,24 @@
package click.kamil.examples.statemachine.extended.web;
import click.kamil.examples.statemachine.extended.service.AmbiguousService;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
import java.util.List;
@RestController
public class ListInjectionController {
private final List<AmbiguousService> services;
public ListInjectionController(List<AmbiguousService> services) {
this.services = services;
}
@GetMapping("/test-list")
public void testList() {
for (AmbiguousService s : services) {
s.doAmbig();
}
}
}

View File

@@ -0,0 +1,22 @@
package click.kamil.examples.statemachine.extended.web;
import click.kamil.examples.statemachine.extended.service.OrderedService;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
public class OrderedTestController {
private final OrderedService service;
// The name "service" does not match HighPriorityOrderedService or LowPriorityOrderedService
// So the Fallback by name will fail, and it will fall back to @Order
public OrderedTestController(OrderedService service) {
this.service = service;
}
@GetMapping("/test-order")
public void testOrder() {
service.doAction();
}
}

View File

@@ -0,0 +1,28 @@
package click.kamil.examples.statemachine.extended.web;
import click.kamil.examples.statemachine.extended.service.PaymentService;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.bind.annotation.PathVariable;
@RestController
public class PaymentController implements BaseController {
private final PaymentService paymentService;
public PaymentController(PaymentService paymentService) {
this.paymentService = paymentService;
}
@Override
public String processBaseEndpoint(@PathVariable String id) {
paymentService.processPayment(id);
return "Started Base Payment: " + id;
}
@PostMapping("/api/payment/{id}/capture")
public String capturePaymentEndpoint(@PathVariable String id) {
paymentService.capturePayment(id);
return "Captured: " + id;
}
}

View File

@@ -0,0 +1,45 @@
package click.kamil.examples.statemachine.extended.web;
import click.kamil.examples.statemachine.extended.service.QuirkService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
public class QuirkController {
@Autowired
private QuirkService quirkService; // Should resolve to PrimaryQuirkService
@Autowired
@Qualifier("customName")
private QuirkService someService; // Should resolve to NamedQuirkService
@Autowired
@Qualifier("qualifierQuirkService")
private QuirkService anotherService; // Should resolve to QualifierQuirkService
@Autowired
private QuirkService fallbackQuirkService; // Should resolve to FallbackQuirkService
@PostMapping("/api/quirk/primary")
public void testPrimary() {
quirkService.doQuirk();
}
@PostMapping("/api/quirk/named")
public void testNamed() {
someService.doQuirk();
}
@PostMapping("/api/quirk/qualifier")
public void testQualifier() {
anotherService.doQuirk();
}
@PostMapping("/api/quirk/fallback")
public void testFallback() {
fallbackQuirkService.doQuirk();
}
}

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package click.kamil.examples.statemachine.extended.web;
import click.kamil.examples.statemachine.extended.service.QuirkService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
public class SetterInjectionController {
private QuirkService setterService;
@Autowired
public void setSetterService(@Qualifier("customName") QuirkService setterService) {
this.setterService = setterService;
}
@GetMapping("/test-setter")
public void testSetter() {
setterService.doQuirk();
}
}

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HELP.md
.gradle
build/
!gradle/wrapper/gradle-wrapper.jar
!**/src/main/**/build/
!**/src/test/**/build/
### STS ###
.apt_generated
.classpath
.factorypath
.project
.settings
.springBeans
.sts4-cache
bin/
!**/src/main/**/bin/
!**/src/test/**/bin/
### IntelliJ IDEA ###
.idea
*.iws
*.iml
*.ipr
out/
!**/src/main/**/out/
!**/src/test/**/out/
### NetBeans ###
/nbproject/private/
/nbbuild/
/dist/
/nbdist/
/.nb-gradle/
### VS Code ###
.vscode/

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plugins {
id 'java'
id 'org.springframework.boot' version '3.5.3'
id 'io.spring.dependency-management' version '1.1.7'
}
group = 'click.kamil'
version = '0.0.1-SNAPSHOT'
java {
toolchain {
languageVersion = JavaLanguageVersion.of(21)
}
}
repositories {
mavenCentral()
}
configurations {
compileOnly {
extendsFrom annotationProcessor
}
}
repositories {
mavenCentral()
}
dependencies {
implementation 'org.springframework.boot:spring-boot-starter'
implementation 'org.springframework.statemachine:spring-statemachine-starter:3.2.0'
compileOnly 'org.projectlombok:lombok'
annotationProcessor 'org.projectlombok:lombok'
testImplementation 'org.springframework.boot:spring-boot-starter-test'
testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
}
tasks.named('test') {
useJUnitPlatform()
}
bootJar { enabled = false }
jar { enabled = true }

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package click.kamil.examples.statemachine.polymorphic;
public class AbcdEvent implements CustomCodeEventInterface {
@Override
public OrderEvents resolveEventCode() {
return OrderEvents.ABCD;
}
}

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package click.kamil.examples.statemachine.polymorphic;
public interface BaseEvent { OrderEvents getType(); }

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package click.kamil.examples.statemachine.polymorphic;
public class CancelEvent implements BaseEvent {
@Override public OrderEvents getType() { return OrderEvents.CANCEL; }
}

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package click.kamil.examples.statemachine.polymorphic;
public interface CustomCodeEventInterface {
OrderEvents resolveEventCode();
}

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package click.kamil.examples.statemachine.polymorphic;
public class EventBuilder {
public static BaseEvent buildEvent() {
return new FulfillEvent();
}
public BaseEvent buildInstanceEvent() {
return new CancelEvent();
}
}

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package click.kamil.examples.statemachine.polymorphic;
public class FulfillEvent implements BaseEvent {
@Override public OrderEvents getType() { return OrderEvents.FULFILL; }
}

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package click.kamil.examples.statemachine.polymorphic;
public class MysteryPayload implements CustomCodeEventInterface {
@Override
public OrderEvents resolveEventCode() {
int a = (int) (Math.random() * 10);
return a > 5 ? OrderEvents.ABCD : OrderEvents.PAY;
}
}

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package click.kamil.examples.statemachine.polymorphic;
public enum OrderEvents { FULFILL, PAY, CANCEL, ABCD, NOPE, IGNORE }

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package click.kamil.examples.statemachine.polymorphic;
import org.springframework.statemachine.StateMachine;
import org.springframework.stereotype.Service;
import org.springframework.messaging.support.MessageBuilder;
@Service
public class OrderService {
private final StateMachine<OrderStates, OrderEvents> sm;
public OrderService(StateMachine<OrderStates, OrderEvents> sm) { this.sm = sm; }
public void processEvent(BaseEvent event) {
sm.sendEvent(event.getType());
}
public void processPayloadEvent(Object payload) {
sm.sendEvent(MessageBuilder.withPayload(payload).build());
}
public void processCustomEvent(CustomCodeEventInterface event) {
sm.sendEvent(event.resolveEventCode());
}
}

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package click.kamil.examples.statemachine.polymorphic;
public enum OrderStates { SUBMITTED, PAID, FULFILLED, CANCELED, PAID1, PAID2, PAID3, INVALID, HAPPEN, SKIPPED, NEVER }

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package click.kamil.examples.statemachine.polymorphic;
public class PayEvent implements BaseEvent {
@Override public OrderEvents getType() { return OrderEvents.PAY; }
}

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package click.kamil.examples.statemachine.polymorphic;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
public class PolymorphicController {
private final OrderService orderService;
public PolymorphicController(OrderService orderService) {
this.orderService = orderService;
}
@PostMapping("/pay")
public void pay() {
orderService.processEvent(new PayEvent());
}
@PostMapping("/fulfill")
public void fulfill() {
orderService.processEvent(new FulfillEvent());
}
@PostMapping("/cancel")
public void cancel() {
orderService.processEvent(new CancelEvent());
}
@PostMapping("/payload-pay")
public void payloadPay() {
orderService.processPayloadEvent(new PayEvent());
}
@PostMapping("/pay-variable")
public void payVariable() {
PayEvent event = new PayEvent();
orderService.processEvent(event);
}
@PostMapping("/pay-cast")
public void payCast() {
orderService.processEvent((BaseEvent) new PayEvent());
}
@PostMapping("/pay-ternary")
public void payTernary(boolean isPay) {
orderService.processEvent(isPay ? new PayEvent() : new CancelEvent());
}
@PostMapping("/pay-list")
public void payList() {
java.util.List<BaseEvent> events = java.util.Arrays.asList(new PayEvent(), new FulfillEvent());
for (BaseEvent event : events) {
orderService.processEvent(event);
}
}
@PostMapping("/pay-builder-static")
public void payBuilderStatic() {
orderService.processEvent(EventBuilder.buildEvent());
}
@PostMapping("/pay-builder-instance")
public void payBuilderInstance() {
EventBuilder builder = new EventBuilder();
orderService.processEvent(builder.buildInstanceEvent());
}
@PostMapping("/abcd")
public void abcd() {
orderService.processCustomEvent(new AbcdEvent());
}
@PostMapping("/mystery")
public void mystery() {
orderService.processCustomEvent(new MysteryPayload());
}
}

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package click.kamil.examples.statemachine.polymorphic;
import org.springframework.context.annotation.Configuration;
import org.springframework.statemachine.config.EnableStateMachine;
import org.springframework.statemachine.config.EnumStateMachineConfigurerAdapter;
import org.springframework.statemachine.config.builders.StateMachineStateConfigurer;
import org.springframework.statemachine.config.builders.StateMachineTransitionConfigurer;
@Configuration
@EnableStateMachine
public class PolymorphicStateMachineConfiguration extends EnumStateMachineConfigurerAdapter<OrderStates, OrderEvents> {
@Override
public void configure(StateMachineStateConfigurer<OrderStates, OrderEvents> states) throws Exception {
states.withStates().initial(OrderStates.SUBMITTED).state(OrderStates.PAID).state(OrderStates.FULFILLED).state(OrderStates.CANCELED);
}
@Override
public void configure(StateMachineTransitionConfigurer<OrderStates, OrderEvents> transitions) throws Exception {
transitions
.withExternal().source(OrderStates.SUBMITTED).target(OrderStates.PAID).event(OrderEvents.PAY).and()
.withExternal().source(OrderStates.PAID).target(OrderStates.FULFILLED).event(OrderEvents.FULFILL).and()
.withExternal().source(OrderStates.SUBMITTED).target(OrderStates.CANCELED).event(OrderEvents.CANCEL).and()
.withExternal().source(OrderStates.PAID).target(OrderStates.CANCELED).event(OrderEvents.ABCD);
}
}

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package click.kamil.examples.statemachine.polymorphic.app;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class StateMachineApplication {
public static void main(String[] args) { SpringApplication.run(StateMachineApplication.class, args); }
}

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spring.application.name=statemachinedemo