private void addClass(Class<?> c) {
if (classes.add(c)) {
if (c.getSuperclass() != null) {
addClass(c.getSuperclass());
}
for (Class<?> sc : c.getInterfaces()) {
addClass(sc);
}
for (Class<?> dc : c.getDeclaredClasses()) {
addClass(dc);
}
for (Method m : c.getDeclaredMethods()) {
addClass(m.getReturnType());
for (Class<?> p : m.getParameterTypes()) {
addClass(p);
}
}
if (c != void.class && dimensions(c) < 2) {
Class<?> arrayClass = Array.newInstance(c, 0).getClass();
arrayClasses.put(c, arrayClass);
addClass(arrayClass);
}
}
}
//
// Find all the java.sql interfaces implemented by a class and find
// the methods in those interfaces which raise
// SQLFeatureNotSupportedException when called on the passed-in candidate object.
//
private void vetInterfaces(
Object candidate,
Class myClass,
HashSet<String> unsupportedList,
HashSet<String> notUnderstoodList)
throws Exception {
Class superClass = myClass.getSuperclass();
if (superClass != null) {
vetInterfaces(candidate, superClass, unsupportedList, notUnderstoodList);
}
//
// The contract for Class.getInterfaces() states that the interfaces
// come back in a deterministic order, namely, in the order that
// they were declared in the "extends" clause.
//
Class<?>[] interfaces = myClass.getInterfaces();
int interfaceCount = interfaces.length;
for (int i = 0; i < interfaceCount; i++) {
Class<?> iface = interfaces[i];
if (iface.getPackage().getName().equals(SQL_PACKAGE_NAME)) {
vetInterfaceMethods(candidate, iface, unsupportedList, notUnderstoodList);
}
vetInterfaces(candidate, iface, unsupportedList, notUnderstoodList);
}
}
private static Optional<Method> lookup(
Class<?> sourceClass, String methodName, Class<?>[] parameterTypes) {
Method match;
try {
match = sourceClass.getMethod(methodName, parameterTypes);
} catch (NoSuchMethodException e) {
return Optional.absent();
}
LinkedList<Class<?>> queue = new LinkedList<Class<?>>();
queue.add(sourceClass);
while (!queue.isEmpty()) {
Class<?> c = queue.removeFirst();
try {
match = c.getMethod(methodName, parameterTypes);
} catch (NoSuchMethodException e) {
// ignore
}
for (Class<?> interfaceType : c.getInterfaces()) {
queue.addFirst(interfaceType);
}
if (c.getSuperclass() != null) {
queue.addFirst(c.getSuperclass());
}
}
match.setAccessible(true);
return Optional.of(match);
}
public Class[] getInterfacesFromClass(Class c) {
Class[] cList;
cList = c.getInterfaces();
return cList;
}
public void registerMockedClass(@Nonnull Class<?> mockedType) {
if (!isMockedClass(mockedType)) {
if (Proxy.isProxyClass(mockedType)) {
mockedType = mockedType.getInterfaces()[0];
}
mockedClasses.add(mockedType);
}
}
private static boolean testConvexPolygonArch() {
boolean pass = true;
int test = 1;
int cnt;
ConvexPolygon poly;
Class cl;
Class[] temp;
System.out.println("ConvexPolygon architecture tests...");
Point a = new Point(7, 7);
Point b = new Point(0, 9);
Point c = new Point(-3, -5);
Point d = new Point(2, -6);
Point e = new Point(12, 0);
Point[] vertices = new Point[5];
vertices[0] = new Point(a);
vertices[1] = new Point(b);
vertices[2] = new Point(c);
vertices[3] = new Point(d);
vertices[4] = new Point(e);
poly = new ConvexPolygon(vertices, Color.cyan, false);
cl = poly.getClass();
pass &= test(cl.getConstructors().length == 1, test++);
pass &= test((temp = cl.getInterfaces()).length == 1, test++);
pass &= test(temp[0].getName().equals("Shape"), test++);
pass &= test(verifyEqualsMethodSignature(cl), test++);
cnt = countModifiers(cl.getDeclaredMethods(), Modifier.PUBLIC);
pass &= test(cnt == 9, test++);
cnt = cl.getFields().length;
pass &= test(cnt == 0, test++);
cnt = countModifiers(cl.getDeclaredFields(), Modifier.PROTECTED);
pass &= test(cnt == 0, test++);
cnt = countModifiers(cl.getDeclaredFields(), Modifier.PRIVATE);
pass &= test(cnt == 3, test++);
// Count and test number of of PACKAGE fields
cnt =
cl.getDeclaredFields().length
- countModifiers(cl.getDeclaredFields(), Modifier.PRIVATE)
- countModifiers(cl.getDeclaredFields(), Modifier.PROTECTED)
- countModifiers(cl.getDeclaredFields(), Modifier.PUBLIC);
pass &= test(cnt == 0, test++);
return pass;
}
private static void getAllInterfaces(Class<?> clazz, final HashSet<Class<?>> interfacesFound) {
while (clazz != null) {
final Class<?>[] interfaces = clazz.getInterfaces();
for (Class<?> i : interfaces) {
if (interfacesFound.add(i)) {
getAllInterfaces(i, interfacesFound);
}
}
clazz = clazz.getSuperclass();
}
}
private static void collectFields(final Class clazz, final ArrayList<Field> result) {
final Field[] fields = clazz.getDeclaredFields();
result.addAll(Arrays.asList(fields));
final Class superClass = clazz.getSuperclass();
if (superClass != null) {
collectFields(superClass, result);
}
final Class[] interfaces = clazz.getInterfaces();
for (Class each : interfaces) {
collectFields(each, result);
}
}
/**
* Prints information about a class' parents and methods to a PrintWriter
*
* @param object
* @param printer
*/
public static void printClassInfo(Object object, PrintWriter printer) {
if (object == null) {
printer.println("null");
return;
}
Class<?> type = object.getClass();
printer.println(type);
if (type.getSuperclass() != null) printer.println("extends " + type.getSuperclass());
for (Class<?> interf : type.getInterfaces()) printer.println("implements " + interf);
for (Method method : type.getMethods()) {
printer.println(method);
}
}
private void makeInterfaceTypes(CompileUnit cu, ClassNode classNode, Class clazz) {
Type[] interfaceTypes = clazz.getGenericInterfaces();
if (interfaceTypes.length == 0) {
classNode.setInterfaces(ClassNode.EMPTY_ARRAY);
} else {
Class[] interfaceClasses = clazz.getInterfaces();
ClassNode[] ret = new ClassNode[interfaceTypes.length];
for (int i = 0; i < interfaceTypes.length; i++) {
ret[i] = makeClassNode(cu, interfaceTypes[i], interfaceClasses[i]);
}
classNode.setInterfaces(ret);
}
}
static Method[] getOverridableMethods(Class<?> clazz) {
ArrayList<Method> list = new ArrayList<Method>();
HashSet<String> skip = new HashSet<String>();
// Check superclasses before interfaces so we always choose
// implemented methods over abstract ones, even if a subclass
// re-implements an interface already implemented in a superclass
// (e.g. java.util.ArrayList)
for (Class<?> c = clazz; c != null; c = c.getSuperclass()) {
appendOverridableMethods(c, list, skip);
}
for (Class<?> c = clazz; c != null; c = c.getSuperclass()) {
for (Class<?> intf : c.getInterfaces()) appendOverridableMethods(intf, list, skip);
}
return list.toArray(new Method[list.size()]);
}
private void injectProperty(
Object bean, Class<?> type, Object property, String alias, TypedValueGroup arguments)
throws NoSuchMethodException, IllegalAccessException, InvocationTargetException {
NoSuchMethodException nsme = null;
if (arguments != null && arguments.size() > 0) {
Object[] props = new Object[arguments.size() + 1];
props[0] = property;
Class<?>[] types = new Class<?>[arguments.size() + 1];
types[0] = type;
arguments.reset();
while (arguments.load(props, 1)) {
try {
addSetProperty(bean, types, alias, props);
return;
} catch (NoSuchMethodException x) {
// not a problem
nsme = x;
}
}
} else {
try {
addSetProperty(bean, new Class<?>[] {type}, alias, property);
return;
} catch (NoSuchMethodException x) {
// not a problem
nsme = x;
}
}
// now try the super classes
Class<?>[] interfaces = type.getInterfaces();
for (Class<?> face : interfaces) {
try {
injectProperty(bean, face, property, alias, arguments);
return;
} catch (NoSuchMethodException x) {
continue;
}
}
Class<?> supertype = type.getSuperclass();
if (supertype != null) {
injectProperty(bean, supertype, property, alias, arguments);
} else {
throw nsme;
}
}
private static void _addSuperTypes(
Class<?> cls, Class<?> endBefore, Collection<Class<?>> result, boolean addClassItself) {
if (cls == endBefore || cls == null || cls == Object.class) {
return;
}
if (addClassItself) {
if (result.contains(cls)) { // already added, no need to check supers
return;
}
result.add(cls);
}
for (Class<?> intCls : cls.getInterfaces()) {
_addSuperTypes(intCls, endBefore, result, true);
}
_addSuperTypes(cls.getSuperclass(), endBefore, result, true);
}
private static boolean testTriangleArch() {
boolean pass = true;
int test = 1;
int cnt;
Triangle tri;
Class cl;
Class[] temp;
System.out.println("Triangle architecture tests...");
Point a = new Point(0, 0);
Point b = new Point(3, 0);
Point c = new Point(0, 4);
tri = new Triangle(a, b, c, Color.cyan, false);
cl = tri.getClass();
pass &= test(cl.getConstructors().length == 1, test++);
pass &= test((temp = cl.getInterfaces()).length == 1, test++);
pass &= test(temp[0].getName().equals("Shape"), test++);
pass &= test(verifyEqualsMethodSignature(cl), test++);
cnt = countModifiers(cl.getDeclaredMethods(), Modifier.PUBLIC);
pass &= test(cnt == 13, test++);
cnt = cl.getFields().length;
pass &= test(cnt == 0, test++);
cnt = countModifiers(cl.getDeclaredFields(), Modifier.PROTECTED);
pass &= test(cnt == 0, test++);
cnt = countModifiers(cl.getDeclaredFields(), Modifier.PRIVATE);
pass &= test(cnt == 5, test++);
// Count and test number of of PACKAGE fields
cnt =
cl.getDeclaredFields().length
- countModifiers(cl.getDeclaredFields(), Modifier.PRIVATE)
- countModifiers(cl.getDeclaredFields(), Modifier.PROTECTED)
- countModifiers(cl.getDeclaredFields(), Modifier.PUBLIC);
pass &= test(cnt == 0, test++);
return pass;
}
static PropertyDescriptor[] getInterfacePropertyDescriptors(Class<?> interfaceClass) {
List<PropertyDescriptor> propDescriptors = new ArrayList<PropertyDescriptor>();
// Add prop descriptors for interface passed in
propDescriptors.addAll(Arrays.asList(BeanUtils.getPropertyDescriptors(interfaceClass)));
// Look for interface inheritance. If super interfaces are found, recurse up the hierarchy tree
// and add prop
// descriptors for each interface found.
// PropertyUtils.getPropertyDescriptors() does not correctly walk the inheritance hierarchy for
// interfaces.
Class<?>[] interfaces = interfaceClass.getInterfaces();
if (interfaces != null) {
for (Class<?> superInterfaceClass : interfaces) {
List<PropertyDescriptor> superInterfacePropertyDescriptors =
Arrays.asList(getInterfacePropertyDescriptors(superInterfaceClass));
/*
* #1814758
* Check for existing descriptor with the same name to prevent 2 property descriptors with the same name being added
* to the result list. This caused issues when getter and setter of an attribute on different interfaces in
* an inheritance hierarchy
*/
for (PropertyDescriptor superPropDescriptor : superInterfacePropertyDescriptors) {
PropertyDescriptor existingPropDescriptor =
findPropDescriptorByName(propDescriptors, superPropDescriptor.getName());
if (existingPropDescriptor == null) {
propDescriptors.add(superPropDescriptor);
} else {
try {
if (existingPropDescriptor.getReadMethod() == null) {
existingPropDescriptor.setReadMethod(superPropDescriptor.getReadMethod());
}
if (existingPropDescriptor.getWriteMethod() == null) {
existingPropDescriptor.setWriteMethod(superPropDescriptor.getWriteMethod());
}
} catch (IntrospectionException e) {
throw new MappingException(e);
}
}
}
}
}
return propDescriptors.toArray(new PropertyDescriptor[propDescriptors.size()]);
}
@Override
public List<ReferenceTypeUsage> getAllAncestors(Resolver resolver) {
List<ReferenceTypeUsage> ancestors = new ArrayList<>();
if (clazz.getSuperclass() != null) {
ReferenceTypeUsage superTypeDefinition =
toReferenceTypeUsage(clazz.getSuperclass(), clazz.getGenericSuperclass());
ancestors.add(superTypeDefinition);
ancestors.addAll(superTypeDefinition.getAllAncestors(resolver));
}
int i = 0;
for (Class<?> interfaze : clazz.getInterfaces()) {
Type genericInterfaze = clazz.getGenericInterfaces()[i];
ReferenceTypeUsage superTypeDefinition = toReferenceTypeUsage(interfaze, genericInterfaze);
ancestors.add(superTypeDefinition);
ancestors.addAll(superTypeDefinition.getAllAncestors(resolver));
i++;
}
return ancestors;
}
private static boolean testCircleArch() {
boolean pass = true;
int test = 1;
int cnt;
Circle circle;
Class cl;
Class[] temp;
System.out.println("Circle architecture tests...");
circle = new Circle(5.6789, new Point(-99, 66), Color.cyan, false);
cl = circle.getClass();
pass &= test(cl.getConstructors().length == 1, test++);
pass &= test((temp = cl.getInterfaces()).length == 1, test++);
pass &= test(temp[0].getName().equals("Shape"), test++);
pass &= test(verifyEqualsMethodSignature(cl), test++);
cnt = countModifiers(cl.getDeclaredMethods(), Modifier.PUBLIC);
pass &= test(cnt == 10, test++);
cnt = cl.getFields().length;
pass &= test(cnt == 0, test++);
cnt = countModifiers(cl.getDeclaredFields(), Modifier.PROTECTED);
pass &= test(cnt == 0, test++);
cnt = countModifiers(cl.getDeclaredFields(), Modifier.PRIVATE);
pass &= test(cnt == 4, test++);
// Count and test number of of PACKAGE fields
cnt =
cl.getDeclaredFields().length
- countModifiers(cl.getDeclaredFields(), Modifier.PRIVATE)
- countModifiers(cl.getDeclaredFields(), Modifier.PROTECTED)
- countModifiers(cl.getDeclaredFields(), Modifier.PUBLIC);
pass &= test(cnt == 0, test++);
return pass;
}
// Needed by NativeJavaObject serializer
public static void writeAdapterObject(Object javaObject, ObjectOutputStream out)
throws IOException {
Class<?> cl = javaObject.getClass();
out.writeObject(cl.getSuperclass().getName());
Class<?>[] interfaces = cl.getInterfaces();
String[] interfaceNames = new String[interfaces.length];
for (int i = 0; i < interfaces.length; i++) interfaceNames[i] = interfaces[i].getName();
out.writeObject(interfaceNames);
try {
Object delegee = cl.getField("delegee").get(javaObject);
out.writeObject(delegee);
return;
} catch (IllegalAccessException e) {
} catch (NoSuchFieldException e) {
}
throw new IOException();
}
/**
* Return the type distance between the child and parent types. The child type must be a subtype
* of the parent. The type distance between a class and itself is 0; the distance from a class to
* one of its immediate supertypes (superclass or a directly implemented interface) is 1; deeper
* distances are computed recursively.
*
* @param child The child type
* @param parent The parent type
* @return The type distance
* @throws IllegalArgumentException if {@code child} is not a subtype of {@code parent}.
*/
public static int getTypeDistance(@Nonnull Class<?> child, @Nonnull Class<?> parent) {
Preconditions.notNull("child class", child);
Preconditions.notNull("parent class", parent);
if (child.equals(parent)) {
// fast-path same-class tests
return 0;
} else if (!parent.isAssignableFrom(child)) {
// if child does not extend from the parent, return -1
throw new IllegalArgumentException("child not a subclass of parent");
} else if (!parent.isInterface()) {
// if the parent is not an interface, we only need to follower superclasses
int distance = 0;
Class<?> cur = child;
while (!cur.equals(parent)) {
distance++;
cur = cur.getSuperclass();
}
return distance;
} else {
// worst case, recursively compute the type
// recursion is safe, as types aren't too deep except in crazy-land
int minDepth = Integer.MAX_VALUE;
Class<?> sup = child.getSuperclass();
if (sup != null && parent.isAssignableFrom(sup)) {
minDepth = getTypeDistance(sup, parent);
}
for (Class<?> iface : child.getInterfaces()) {
if (parent.isAssignableFrom(iface)) {
int d = getTypeDistance(iface, parent);
if (d < minDepth) {
minDepth = d;
}
}
}
// minDepth now holds the depth of the superclass with shallowest depth
return minDepth + 1;
}
}
public Type navigateParameterized(String name, Type[] params) throws OclTypeException {
Type ret = Basic.navigateAnyParameterized(name, params);
if (ret != null) return ret;
Method foundmethod = null;
// this is very similar to tudresden.ocl.lib.OclAnyImpl.findMethod
// if you find a bug here, its probably there as well.
// suprisingly one has not to go after interfaces since methods
// inherited from interfaces are automatically included into the
// implementing class. This does not happen for methods inherited
// from the superclass, so we have to ascend to all superclasses.
// unfortunately the above is only true for classes, getSuperclass invoked
// on an interface returns null, regardless of the interfaces extended by the
// interface. Therefore, we need to check out getInterfaces() if iclass is
// an interface
HashSet hsVisited = new HashSet();
LinkedList llToVisit = new LinkedList();
if (c.isInterface()) {
// as we're dealing with actual instances, it can be assumed that Object is
// a superclass
llToVisit.add(java.lang.Object.class);
}
classloop:
for (Class iclass = c; iclass != null; ) // iclass=iclass.getSuperclass())
{
Method[] methods = iclass.getDeclaredMethods();
methodloop:
for (int i = 0; i < methods.length; i++) {
if (!name.equals(methods[i].getName())) continue methodloop;
Class[] methodparams = methods[i].getParameterTypes();
if (params.length != methodparams.length) continue methodloop;
System.err.print("Checking method " + name + " (");
for (int j = 0; j < methodparams.length; j++) {
if (j != 0) {
System.err.print(", ");
}
System.err.print(methodparams[j]);
}
System.err.println(")");
for (int j = 0; j < params.length; j++)
if (!params[j].conformsTo(getTypeForClass(methodparams[j]))) {
System.err.println("No conformance for paramter # " + j);
continue methodloop;
}
if (foundmethod == null) foundmethod = methods[i];
else throw new OclTypeException("ambigious method " + name + " of " + c + ") queried.");
break classloop;
}
// determine classes to be visited
if (iclass.isInterface()) {
Class[] ca = iclass.getInterfaces();
for (int i = 0; i < ca.length; i++) {
if (!hsVisited.contains(ca[i])) {
llToVisit.add(ca[i]);
}
}
} else {
if (!hsVisited.contains(iclass.getSuperclass())) {
llToVisit.add(iclass.getSuperclass());
}
}
// mark current class visited
hsVisited.add(iclass);
// go to next class
if (!llToVisit.isEmpty()) {
iclass = (Class) llToVisit.remove(0);
} else {
iclass = null;
}
}
if (foundmethod == null) {
StringBuffer sb = new StringBuffer();
sb.append(c.toString() + " has no method " + name + " with parameters (");
for (int i = 0; i < params.length; i++) {
if (i != 0) sb.append(", ");
sb.append(params[i] + "/" + params[i]);
}
sb.append(")");
throw new OclTypeException(sb.toString());
}
return getTypeForClass(foundmethod.getReturnType());
}
/** Calculates a MD5 digest of the class. */
public String getDigest() {
try {
if (_className == null || "".equals(_className)) return "";
DynamicClassLoader loader =
(DynamicClassLoader) Thread.currentThread().getContextClassLoader();
ClassLoader tmpLoader = loader.getNewTempClassLoader();
Class cl = Class.forName(_className, false, tmpLoader);
if (cl == null) return "";
MessageDigest digest = MessageDigest.getInstance("MD5");
addDigest(digest, cl.getName());
addDigest(digest, cl.getModifiers());
Class superClass = cl.getSuperclass();
if (superClass != null) addDigest(digest, superClass.getName());
Class[] interfaces = cl.getInterfaces();
for (int i = 0; i < interfaces.length; i++) addDigest(digest, interfaces[i].getName());
Field[] fields = cl.getDeclaredFields();
Arrays.sort(fields, new FieldComparator());
if (_checkFields) {
for (Field field : fields) {
if (Modifier.isPrivate(field.getModifiers()) && !_checkPrivate) continue;
if (Modifier.isProtected(field.getModifiers()) && !_checkProtected) continue;
addDigest(digest, field.getName());
addDigest(digest, field.getModifiers());
addDigest(digest, field.getType().getName());
addDigest(digest, field.getAnnotations());
}
}
Method[] methods = cl.getDeclaredMethods();
Arrays.sort(methods, new MethodComparator());
for (int i = 0; i < methods.length; i++) {
Method method = methods[i];
if (Modifier.isPrivate(method.getModifiers()) && !_checkPrivate) continue;
if (Modifier.isProtected(method.getModifiers()) && !_checkProtected) continue;
if (Modifier.isStatic(method.getModifiers()) && !_checkStatic) continue;
addDigest(digest, method.getName());
addDigest(digest, method.getModifiers());
addDigest(digest, method.getName());
Class[] param = method.getParameterTypes();
for (int j = 0; j < param.length; j++) addDigest(digest, param[j].getName());
addDigest(digest, method.getReturnType().getName());
Class[] exn = method.getExceptionTypes();
for (int j = 0; j < exn.length; j++) addDigest(digest, exn[j].getName());
addDigest(digest, method.getAnnotations());
}
byte[] digestBytes = new byte[256];
int len = digest.digest(digestBytes, 0, digestBytes.length);
return digestToBase64(digestBytes, len);
} catch (Exception e) {
log.log(Level.FINER, e.toString(), e);
return "";
}
}
private static void discoverAccessibleMethods(
Class<?> clazz,
Map<MethodSignature, Method> map,
boolean includeProtected,
boolean includePrivate) {
if (Modifier.isPublic(clazz.getModifiers()) || includePrivate) {
try {
if (includeProtected || includePrivate) {
while (clazz != null) {
try {
Method[] methods = clazz.getDeclaredMethods();
for (int i = 0; i < methods.length; i++) {
Method method = methods[i];
int mods = method.getModifiers();
if (Modifier.isPublic(mods) || Modifier.isProtected(mods) || includePrivate) {
if (includePrivate) method.setAccessible(true);
map.put(new MethodSignature(method), method);
}
}
clazz = clazz.getSuperclass();
} catch (SecurityException e) {
// Some security settings (i.e., applets) disallow
// access to Class.getDeclaredMethods. Fall back to
// Class.getMethods.
Method[] methods = clazz.getMethods();
for (int i = 0; i < methods.length; i++) {
Method method = methods[i];
MethodSignature sig = new MethodSignature(method);
if (map.get(sig) == null) map.put(sig, method);
}
break; // getMethods gets superclass methods, no
// need to loop any more
}
}
} else {
Method[] methods = clazz.getMethods();
for (int i = 0; i < methods.length; i++) {
Method method = methods[i];
MethodSignature sig = new MethodSignature(method);
map.put(sig, method);
}
}
return;
} catch (SecurityException e) {
Context.reportWarning(
"Could not discover accessible methods of class "
+ clazz.getName()
+ " due to lack of privileges, "
+ "attemping superclasses/interfaces.");
// Fall through and attempt to discover superclass/interface
// methods
}
}
Class<?>[] interfaces = clazz.getInterfaces();
for (int i = 0; i < interfaces.length; i++) {
discoverAccessibleMethods(interfaces[i], map, includeProtected, includePrivate);
}
Class<?> superclass = clazz.getSuperclass();
if (superclass != null) {
discoverAccessibleMethods(superclass, map, includeProtected, includePrivate);
}
}
