public Method lookupMethod(
CtClass clazz,
CtClass currentClass,
MethodInfo current,
String methodName,
int[] argTypes,
int[] argDims,
String[] argClassNames)
throws CompileError {
Method maybe = null;
// to enable the creation of a recursively called method
if (current != null && clazz == currentClass)
if (current.getName().equals(methodName)) {
int res = compareSignature(current.getDescriptor(), argTypes, argDims, argClassNames);
if (res != NO) {
Method r = new Method(clazz, current, res);
if (res == YES) return r;
else maybe = r;
}
}
Method m = lookupMethod(clazz, methodName, argTypes, argDims, argClassNames, maybe != null);
if (m != null) return m;
else return maybe;
}
private Method lookupMethod(
CtClass clazz,
String methodName,
int[] argTypes,
int[] argDims,
String[] argClassNames,
boolean onlyExact)
throws CompileError {
Method maybe = null;
ClassFile cf = clazz.getClassFile2();
// If the class is an array type, the class file is null.
// If so, search the super class java.lang.Object for clone() etc.
if (cf != null) {
List list = cf.getMethods();
int n = list.size();
for (int i = 0; i < n; ++i) {
MethodInfo minfo = (MethodInfo) list.get(i);
if (minfo.getName().equals(methodName)) {
int res = compareSignature(minfo.getDescriptor(), argTypes, argDims, argClassNames);
if (res != NO) {
Method r = new Method(clazz, minfo, res);
if (res == YES) return r;
else if (maybe == null || maybe.notmatch > res) maybe = r;
}
}
}
}
if (onlyExact) maybe = null;
else onlyExact = maybe != null;
int mod = clazz.getModifiers();
boolean isIntf = Modifier.isInterface(mod);
try {
// skip searching java.lang.Object if clazz is an interface type.
if (!isIntf) {
CtClass pclazz = clazz.getSuperclass();
if (pclazz != null) {
Method r = lookupMethod(pclazz, methodName, argTypes, argDims, argClassNames, onlyExact);
if (r != null) return r;
}
}
} catch (NotFoundException e) {
}
if (isIntf || Modifier.isAbstract(mod))
try {
CtClass[] ifs = clazz.getInterfaces();
int size = ifs.length;
for (int i = 0; i < size; ++i) {
Method r = lookupMethod(ifs[i], methodName, argTypes, argDims, argClassNames, onlyExact);
if (r != null) return r;
}
if (isIntf) {
// finally search java.lang.Object.
CtClass pclazz = clazz.getSuperclass();
if (pclazz != null) {
Method r =
lookupMethod(pclazz, methodName, argTypes, argDims, argClassNames, onlyExact);
if (r != null) return r;
}
}
} catch (NotFoundException e) {
}
return maybe;
}
/** Prints the contents of a class file. */
public static void print(ClassFile cf, PrintWriter out) {
List<?> list;
int n;
/*
* 0x0020 (SYNCHRONIZED) means ACC_SUPER if the modifiers are of a
* class.
*/
int mod = AccessFlag.toModifier(cf.getAccessFlags() & ~AccessFlag.SYNCHRONIZED);
out.println(
"major: "
+ cf.major
+ ", minor: "
+ cf.minor
+ " modifiers: "
+ Integer.toHexString(cf.getAccessFlags()));
out.println(
Modifier.toString(mod) + " class " + cf.getName() + " extends " + cf.getSuperclass());
String[] infs = cf.getInterfaces();
if (infs != null && infs.length > 0) {
out.print(" implements ");
out.print(infs[0]);
for (int i = 1; i < infs.length; ++i) {
out.print(", " + infs[i]);
}
out.println();
}
out.println();
list = cf.getFields();
n = list.size();
for (int i = 0; i < n; ++i) {
FieldInfo finfo = (FieldInfo) list.get(i);
int acc = finfo.getAccessFlags();
out.println(
Modifier.toString(AccessFlag.toModifier(acc))
+ " "
+ finfo.getName()
+ "\t"
+ finfo.getDescriptor());
printAttributes(finfo.getAttributes(), out, 'f');
}
out.println();
list = cf.getMethods();
n = list.size();
for (int i = 0; i < n; ++i) {
MethodInfo minfo = (MethodInfo) list.get(i);
int acc = minfo.getAccessFlags();
out.println(
Modifier.toString(AccessFlag.toModifier(acc))
+ " "
+ minfo.getName()
+ "\t"
+ minfo.getDescriptor());
printAttributes(minfo.getAttributes(), out, 'm');
out.println();
}
out.println();
printAttributes(cf.getAttributes(), out, 'c');
}