private boolean hasTestMethods(JavaClass jClass) {
boolean foundTest = false;
Method[] methods = jClass.getMethods();
for (Method m : methods) {
if (m.isPublic() && m.getName().startsWith("test") && m.getSignature().equals("()V")) {
return true;
}
if (m.getName().startsWith("runTest") && m.getSignature().endsWith("()V")) {
return true;
}
}
if (hasSuite(methods)) {
return true;
}
try {
JavaClass sClass = jClass.getSuperClass();
if (sClass != null) {
return hasTestMethods(sClass);
}
} catch (ClassNotFoundException e) {
AnalysisContext.reportMissingClass(e);
}
return false;
}
private boolean find(JavaClass target, String name, String signature)
throws ClassNotFoundException {
if (target == null) return false;
String ref = getMemberName(target.getClassName(), name, signature);
if (defined.contains(ref)) return true;
if (find(target.getSuperClass(), name, signature)) return true;
for (JavaClass i : target.getInterfaces()) if (find(i, name, signature)) return true;
return false;
}
/**
* Find a field with given name defined in given class.
*
* @param className the name of the class
* @param fieldName the name of the field
* @return the Field, or null if no such field could be found
*/
public static Field findField(String className, String fieldName) throws ClassNotFoundException {
JavaClass jclass = Repository.lookupClass(className);
while (jclass != null) {
Field[] fieldList = jclass.getFields();
for (Field field : fieldList) {
if (field.getName().equals(fieldName)) {
return field;
}
}
jclass = jclass.getSuperClass();
}
return null;
}
/**
* looks to see if this class (or some class in its hierarchy (besides Object) has implemented the
* specified method.
*
* @param cls the class to look in
* @param methodName the method name to look for
* @param methodSig the method signature to look for
* @return when toString is found
* @throws ClassNotFoundException if a super class can't be found
*/
private static boolean hasMethodInHierarchy(JavaClass cls, String methodName, String methodSig)
throws ClassNotFoundException {
MethodInfo mi = null;
do {
String clsName = cls.getClassName();
if (Values.DOTTED_JAVA_LANG_OBJECT.equals(clsName)) {
return false;
}
mi =
Statistics.getStatistics()
.getMethodStatistics(clsName.replace('.', '/'), methodName, methodSig);
cls = cls.getSuperClass();
} while (mi.getNumBytes() == 0);
return true;
}
public static @CheckForNull JavaClassAndMethod findInvocationLeastUpperBound(
JavaClass jClass,
String methodName,
String methodSig,
JavaClassAndMethodChooser methodChooser,
boolean invokeInterface)
throws ClassNotFoundException {
JavaClassAndMethod result = findMethod(jClass, methodName, methodSig, methodChooser);
if (result != null) return result;
if (invokeInterface)
for (JavaClass i : jClass.getInterfaces()) {
result =
findInvocationLeastUpperBound(i, methodName, methodSig, methodChooser, invokeInterface);
if (result != null) return null;
}
else {
JavaClass sClass = jClass.getSuperClass();
if (sClass != null)
return findInvocationLeastUpperBound(
sClass, methodName, methodSig, methodChooser, invokeInterface);
}
return null;
}
@Override
public void visit(JavaClass obj) {
String superClassname = obj.getSuperclassName();
// System.out.println("superclass of " + getClassName() + " is " + superClassname);
isEnum = superClassname.equals("java.lang.Enum");
if (isEnum) return;
int flags = obj.getAccessFlags();
isAbstract = (flags & ACC_ABSTRACT) != 0 || (flags & ACC_INTERFACE) != 0;
isAnonymousInnerClass = anonymousInnerClassNamePattern.matcher(getClassName()).matches();
innerClassHasOuterInstance = false;
for (Field f : obj.getFields()) {
if (f.getName().equals("this$0")) {
innerClassHasOuterInstance = true;
break;
}
}
sawSerialVersionUID = false;
isSerializable = implementsSerializableDirectly = false;
isExternalizable = false;
directlyImplementsExternalizable = false;
isGUIClass = false;
isEjbImplClass = false;
seenTransientField = false;
// boolean isEnum = obj.getSuperclassName().equals("java.lang.Enum");
fieldsThatMightBeAProblem.clear();
transientFieldsUpdates.clear();
transientFieldsSetInConstructor.clear();
transientFieldsSetToDefaultValueInConstructor.clear();
// isRemote = false;
// Does this class directly implement Serializable?
String[] interface_names = obj.getInterfaceNames();
for (String interface_name : interface_names) {
if (interface_name.equals("java.io.Externalizable")) {
directlyImplementsExternalizable = true;
isExternalizable = true;
if (DEBUG) {
System.out.println("Directly implements Externalizable: " + getClassName());
}
} else if (interface_name.equals("java.io.Serializable")) {
implementsSerializableDirectly = true;
isSerializable = true;
if (DEBUG) {
System.out.println("Directly implements Serializable: " + getClassName());
}
break;
}
}
// Does this class indirectly implement Serializable?
if (!isSerializable) {
if (Subtypes2.instanceOf(obj, "java.io.Externalizable")) {
isExternalizable = true;
if (DEBUG) {
System.out.println("Indirectly implements Externalizable: " + getClassName());
}
}
if (Subtypes2.instanceOf(obj, "java.io.Serializable")) {
isSerializable = true;
if (DEBUG) {
System.out.println("Indirectly implements Serializable: " + getClassName());
}
}
}
hasPublicVoidConstructor = false;
superClassHasVoidConstructor = true;
superClassHasReadObject = false;
superClassImplementsSerializable = isSerializable && !implementsSerializableDirectly;
ClassDescriptor superclassDescriptor = getXClass().getSuperclassDescriptor();
if (superclassDescriptor != null)
try {
XClass superXClass =
Global.getAnalysisCache().getClassAnalysis(XClass.class, superclassDescriptor);
if (superXClass != null) {
superClassImplementsSerializable =
AnalysisContext.currentAnalysisContext()
.getSubtypes2()
.isSubtype(
superXClass.getClassDescriptor(),
DescriptorFactory.createClassDescriptor(java.io.Serializable.class));
superClassHasVoidConstructor = false;
for (XMethod m : superXClass.getXMethods()) {
if (m.getName().equals("<init>") && m.getSignature().equals("()V") && !m.isPrivate()) {
superClassHasVoidConstructor = true;
}
if (m.getName().equals("readObject")
&& m.getSignature().equals("(Ljava/io/ObjectInputStream;)V")
&& m.isPrivate()) superClassHasReadObject = true;
}
}
} catch (ClassNotFoundException e) {
bugReporter.reportMissingClass(e);
} catch (CheckedAnalysisException e) {
bugReporter.logError("huh", e);
}
// Is this a GUI or other class that is rarely serialized?
isGUIClass = false;
isEjbImplClass = false;
if (true || !directlyImplementsExternalizable && !implementsSerializableDirectly) {
isEjbImplClass = Subtypes2.instanceOf(obj, "javax.ejb.SessionBean");
isGUIClass =
(Subtypes2.instanceOf(obj, "java.lang.Throwable")
|| Subtypes2.instanceOf(obj, "java.awt.Component")
|| Subtypes2.instanceOf(obj, "java.awt.Component$AccessibleAWTComponent")
|| Subtypes2.instanceOf(obj, "java.awt.event.ActionListener")
|| Subtypes2.instanceOf(obj, "java.util.EventListener"));
if (!isGUIClass) {
JavaClass o = obj;
while (o != null) {
if (o.getClassName().startsWith("java.awt")
|| o.getClassName().startsWith("javax.swing")) {
isGUIClass = true;
break;
}
try {
o = o.getSuperClass();
} catch (ClassNotFoundException e) {
break;
}
}
}
}
foundSynthetic = false;
foundSynchronizedMethods = false;
writeObjectIsSynchronized = false;
sawReadExternal = sawWriteExternal = sawReadObject = sawReadResolve = sawWriteObject = false;
if (isSerializable) {
for (Method m : obj.getMethods()) {
if (m.getName().equals("readObject")
&& m.getSignature().equals("(Ljava/io/ObjectInputStream;)V")) sawReadObject = true;
else if (m.getName().equals("readResolve") && m.getSignature().startsWith("()"))
sawReadResolve = true;
else if (m.getName().equals("readObjectNoData") && m.getSignature().equals("()V"))
sawReadObject = true;
else if (m.getName().equals("writeObject")
&& m.getSignature().equals("(Ljava/io/ObjectOutputStream;)V")) sawWriteObject = true;
}
for (Field f : obj.getFields()) {
if (f.isTransient()) seenTransientField = true;
}
}
}
