protected byte[] transformClass(byte[] bytes, String clssname) {
InputStream is = getClass().getResourceAsStream("/" + clssname.replace('.', '/') + ".class");
ClassReader orig = null;
try {
ClassReader crRepl = new ClassReader(is);
ClassNode cnRepl = new ClassNode(Opcodes.ASM4);
crRepl.accept(cnRepl, ClassReader.SKIP_FRAMES);
ClassReader crOrig = new ClassReader(bytes);
ClassNode cnOrig = new ClassNode(Opcodes.ASM4);
crOrig.accept(cnOrig, ClassReader.SKIP_FRAMES);
for (Object ofnRepl : cnRepl.fields) {
FieldNode fnRepl = (FieldNode) ofnRepl;
if (hasReplaceAnnotation(fnRepl.visibleAnnotations)) {
FieldNode fnOrig = findField(cnOrig.fields, fnRepl);
if (fnOrig != null) {
cnOrig.fields.remove(fnOrig);
cnOrig.fields.add(cnOrig.fields.size(), scrubField(cnOrig, cnRepl, fnRepl));
}
} else if (hasAddAnnotation(fnRepl.visibleAnnotations)) {
cnOrig.fields.add(cnOrig.fields.size(), scrubField(cnOrig, cnRepl, fnRepl));
}
}
for (Object omnRepl : cnRepl.methods) {
MethodNode mnRepl = (MethodNode) omnRepl;
if (hasReplaceAnnotation(mnRepl.visibleAnnotations)) {
MethodNode mnOrig = findMethod(cnOrig.methods, mnRepl);
if (mnOrig != null) {
cnOrig.methods.remove(mnOrig);
cnOrig.methods.add(cnOrig.methods.size(), scrubMethod(cnOrig, cnRepl, mnRepl));
}
} else if (hasAddAnnotation(mnRepl.visibleAnnotations)) {
cnOrig.methods.add(cnOrig.methods.size() + 1, scrubMethod(cnOrig, cnRepl, mnRepl));
}
}
ClassWriter cwNew = new ClassWriter(ClassWriter.COMPUTE_MAXS | ClassWriter.COMPUTE_FRAMES);
cnOrig.accept(cwNew);
return cwNew.toByteArray();
} catch (IOException e) {
e.printStackTrace(); // To change body of catch statement use File | Settings | File
// Templates.
}
return bytes;
}
