/** Are two annotations equal? */
private boolean annotationEquals(Annotation a, Annotation b) {
if (a == b) {
return true;
} else if (a.getClass() != b.getClass()) {
return false;
} else {
RVMClass annotationInterface = type.resolve().asClass();
RVMMethod[] annotationMethods = annotationInterface.getDeclaredMethods();
AnnotationFactory afB = (AnnotationFactory) Proxy.getInvocationHandler(b);
try {
for (RVMMethod method : annotationMethods) {
String name = method.getName().toUnicodeString();
Object objA = getElementValue(name, method.getReturnType().resolve().getClassForType());
Object objB = afB.getValue(name, method.getReturnType().resolve().getClassForType());
if (!objA.getClass().isArray()) {
if (!objA.equals(objB)) {
return false;
}
} else {
if (!Arrays.equals((Object[]) objA, (Object[]) objB)) {
return false;
}
}
}
} catch (java.io.UTFDataFormatException e) {
throw new Error(e);
}
return true;
}
}
public Method getDeclaredMethod(String name, Class<?>... parameterTypes)
throws NoSuchMethodException, SecurityException {
checkMemberAccess(Member.DECLARED);
if (!type.isClassType()) throwNoSuchMethodException(name, parameterTypes);
if (name == null) {
throwNoSuchMethodException(name, parameterTypes);
}
Atom aName = Atom.findOrCreateUnicodeAtom(name);
if (aName == RVMClassLoader.StandardClassInitializerMethodName
|| aName == RVMClassLoader.StandardObjectInitializerMethodName) {
// <init> and <clinit> are not methods.
throwNoSuchMethodException(name, parameterTypes);
}
RVMMethod[] methods = type.asClass().getDeclaredMethods();
RVMMethod answer = null;
for (RVMMethod meth : methods) {
if (meth.getName() == aName && parametersMatch(meth.getParameterTypes(), parameterTypes)) {
if (answer == null) {
answer = meth;
} else {
RVMMethod m2 = meth;
if (answer.getReturnType().resolve().isAssignableFrom(m2.getReturnType().resolve())) {
answer = m2;
}
}
}
}
if (answer == null) {
throwNoSuchMethodException(name, parameterTypes);
}
return JikesRVMSupport.createMethod(answer);
}
/**
* Create a copy of the method that occurs in the annotation interface. The method body will
* contain a read of the field at the constant pool index specified.
*
* @param annotationClass the class this method belongs to
* @param constantPool for the class
* @param memRef the member reference corresponding to this method
* @param interfaceMethod the interface method that will copied to produce the annotation method
* @param constantPoolIndex the index of the field that will be returned by this method
* @return the created method
*/
static RVMMethod createAnnotationMethod(
TypeReference annotationClass,
int[] constantPool,
MemberReference memRef,
RVMMethod interfaceMethod,
int constantPoolIndex) {
byte[] bytecodes =
new byte[] {
(byte) JBC_aload_0,
(byte) JBC_getfield,
(byte) (constantPoolIndex >>> 8),
(byte) constantPoolIndex,
// Xreturn
(byte) typeRefToReturnBytecode(interfaceMethod.getReturnType())
};
return new NormalMethod(
annotationClass,
memRef,
(short) (ACC_PUBLIC | ACC_FINAL | ACC_SYNTHETIC),
null,
(short) 1,
(short) 2,
bytecodes,
null,
null,
null,
constantPool,
null,
null,
null,
null);
}
@Pure
private RVMMethod getMethodInternal2(Atom aName, Class<?>... parameterTypes) {
RVMMethod answer = null;
RVMMethod[] methods = type.asClass().getVirtualMethods();
for (RVMMethod meth : methods) {
if (meth.getName() == aName
&& meth.isPublic()
&& parametersMatch(meth.getParameterTypes(), parameterTypes)) {
if (answer == null) {
answer = meth;
} else {
RVMMethod m2 = meth;
if (answer.getReturnType().resolve().isAssignableFrom(m2.getReturnType().resolve())) {
answer = m2;
}
}
}
}
return answer;
}
@Pure
private RVMMethod getMethodInternal1(Atom aName, Class<?>... parameterTypes) {
RVMMethod answer = null;
for (RVMClass current = type.asClass();
current != null && answer == null;
current = current.getSuperClass()) {
RVMMethod[] methods = current.getDeclaredMethods();
for (RVMMethod meth : methods) {
if (meth.getName() == aName
&& meth.isPublic()
&& parametersMatch(meth.getParameterTypes(), parameterTypes)) {
if (answer == null) {
answer = meth;
} else {
RVMMethod m2 = meth;
if (answer.getReturnType().resolve().isAssignableFrom(m2.getReturnType().resolve())) {
answer = m2;
}
}
}
}
}
return answer;
}
/** Hash code for annotation value */
private int annotationHashCode() {
RVMClass annotationInterface = type.resolve().asClass();
RVMMethod[] annotationMethods = annotationInterface.getDeclaredMethods();
String typeString = type.toString();
int result = typeString.substring(1, typeString.length() - 1).hashCode();
try {
for (RVMMethod method : annotationMethods) {
String name = method.getName().toUnicodeString();
Object value = getElementValue(name, method.getReturnType().resolve().getClassForType());
int part_result = name.hashCode() * 127;
if (value.getClass().isArray()) {
if (value instanceof Object[]) {
part_result ^= Arrays.hashCode((Object[]) value);
} else if (value instanceof boolean[]) {
part_result ^= Arrays.hashCode((boolean[]) value);
} else if (value instanceof byte[]) {
part_result ^= Arrays.hashCode((byte[]) value);
} else if (value instanceof char[]) {
part_result ^= Arrays.hashCode((char[]) value);
} else if (value instanceof short[]) {
part_result ^= Arrays.hashCode((short[]) value);
} else if (value instanceof int[]) {
part_result ^= Arrays.hashCode((int[]) value);
} else if (value instanceof long[]) {
part_result ^= Arrays.hashCode((long[]) value);
} else if (value instanceof float[]) {
part_result ^= Arrays.hashCode((float[]) value);
} else if (value instanceof double[]) {
part_result ^= Arrays.hashCode((double[]) value);
}
} else {
part_result ^= value.hashCode();
}
result += part_result;
}
} catch (java.io.UTFDataFormatException e) {
throw new Error(e);
}
return result;
}
Class<?> getReturnType() {
return method.getReturnType().resolve().getClassForType();
}
