Java tutorial
/* * asmlib: a toolkit based on ASM for working with java bytecode * Copyright (C) 2015 Ivo Anjo <ivo.anjo@ist.utl.pt> * * This file is part of asmlib. * * asmlib is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * asmlib is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with asmlib. If not, see <http://www.gnu.org/licenses/>. */ package asmlib; import org.objectweb.asm.*; /** Replacement of ASM3's EmptyVisitor for ClassVisitors **/ public class EmptyClassVisitor extends ClassVisitor { public EmptyClassVisitor() { super(Opcodes.ASM4); } @Override public AnnotationVisitor visitAnnotation(String desc, boolean visible) { class EmptyAnnotationVisitor extends AnnotationVisitor { EmptyAnnotationVisitor() { super(Opcodes.ASM4); } @Override public AnnotationVisitor visitAnnotation(String name, String desc) { return this; } @Override public AnnotationVisitor visitArray(String name) { return this; } } return new EmptyAnnotationVisitor(); } @Override public FieldVisitor visitField(int access, String name, String desc, String signature, Object value) { return new EmptyFieldVisitor(); } @Override public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions) { return new EmptyMethodVisitor(); } }