/***
* ASM Guide
* Copyright (c) 2007 Eric Bruneton
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
package ch5.sec1;
import static org.objectweb.asm.Opcodes.ACC_ABSTRACT;
import static org.objectweb.asm.Opcodes.ACC_FINAL;
import static org.objectweb.asm.Opcodes.ACC_INTERFACE;
import static org.objectweb.asm.Opcodes.ACC_PUBLIC;
import static org.objectweb.asm.Opcodes.ACC_STATIC;
import static org.objectweb.asm.Opcodes.V1_5;
import java.io.PrintWriter;
import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.tree.ClassNode;
import org.objectweb.asm.tree.FieldNode;
import org.objectweb.asm.tree.MethodNode;
/**
* ASM Guide example class.
*
* @author Eric Bruneton
*/
public class ComparableGenerator {
public byte[] generate(PrintWriter printWriter) {
ClassNode cn = new ClassNode();
cn.version = V1_5;
cn.access = ACC_PUBLIC + ACC_ABSTRACT + ACC_INTERFACE;
cn.name = "pkg/Comparable";
cn.superName = "java/lang/Object";
cn.interfaces.add("pkg/Mesurable");
cn.sourceFile = "Comparable.java";
cn.fields.add(new FieldNode(ACC_PUBLIC + ACC_FINAL + ACC_STATIC,
"LESS", "I", null, new Integer(-1)));
cn.fields.add(new FieldNode(ACC_PUBLIC + ACC_FINAL + ACC_STATIC,
"EQUAL", "I", null, new Integer(0)));
cn.fields.add(new FieldNode(ACC_PUBLIC + ACC_FINAL + ACC_STATIC,
"GREATER", "I", null, new Integer(1)));
cn.methods.add(new MethodNode(ACC_PUBLIC + ACC_ABSTRACT,
"compareTo", "(Ljava/lang/Object;)I", null, null));
ClassWriter cw = new ClassWriter(0);
cn.accept(cw);
return cw.toByteArray();
}
}