private boolean missingMethod(
CalledMethod calledMethod,
DeclaredClass calledClass,
Map<ClassTypeDescriptor, DeclaredClass> classMap) {
final MethodDescriptor descriptor = calledMethod.descriptor();
final DeclaredMethod method = calledClass.methods().get(descriptor);
if (method != null) {
if (calledMethod.isStatic() != method.isStatic()) {
return true;
}
// TODO: also validate return type
return false;
}
// Might be defined in a super class
for (ClassTypeDescriptor parentClass : calledClass.parents()) {
final DeclaredClass declaredClass = classMap.get(parentClass);
// ignore null parents - this means that the parent cannot be found, and this error gets
// reported since the class's constructor tries to call its parent's constructor.
if (declaredClass != null) {
if (!missingMethod(calledMethod, declaredClass, classMap)) {
return false;
}
}
}
return true;
}
private void checkForBrokenMethodCalls(
CheckerState state,
Artifact artifact,
DeclaredClass clazz,
DeclaredMethod method,
ImmutableList.Builder<Conflict> builder) {
for (CalledMethod calledMethod : method.methodCalls()) {
final ClassTypeDescriptor owningClass = calledMethod.owner();
final DeclaredClass calledClass = state.knownClasses().get(owningClass);
if (calledClass == null) {
builder.add(
conflict(
ConflictCategory.CLASS_NOT_FOUND,
"Class not found: " + owningClass,
dependency(clazz, method, calledMethod),
artifact.name(),
state.sourceMappings().get(owningClass)));
} else if (missingMethod(calledMethod, calledClass, state.knownClasses())) {
builder.add(
conflict(
ConflictCategory.METHOD_SIGNATURE_NOT_FOUND,
"Method not found: " + calledMethod.pretty(),
dependency(clazz, method, calledMethod),
artifact.name(),
state.sourceMappings().get(owningClass)));
}
}
}
private Dependency dependency(
DeclaredClass clazz, DeclaredMethod method, CalledMethod calledMethod) {
return new MethodDependencyBuilder()
.fromClass(clazz.className())
.fromMethod(method.descriptor())
.fromLineNumber(calledMethod.lineNumber())
.targetMethod(calledMethod.descriptor())
.targetClass(calledMethod.owner())
.build();
}