com.greenpepper.shaded.net.sf.cglib.transform.hook.AbstractPreProcessor Maven / Gradle / Ivy
/*
* Copyright 2003 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.sf.cglib.transform.hook;
import java.util.Hashtable;
import net.sf.cglib.core.*;
import net.sf.cglib.transform.*;
import org.codehaus.aspectwerkz.hook.ClassPreProcessor;
import org.objectweb.asm.ClassReader;
import org.objectweb.asm.ClassWriter;
abstract public class AbstractPreProcessor implements ClassPreProcessor {
public void initialize(Hashtable hashtable) {
}
public byte[] preProcess(String name, byte[] abyte, ClassLoader caller) {
try {
ClassTransformer t = getClassTransformer(name);
if (t == null)
return abyte;
ClassWriter w = new DebuggingClassWriter(true);
ClassGenerator gen = new ClassReaderGenerator(new ClassReader(abyte), false);
gen = new TransformingClassGenerator(gen, t);
gen.generateClass(w);
return w.toByteArray();
} catch (Exception e) {
throw new CodeGenerationException(e);
}
}
abstract protected ClassTransformer getClassTransformer(String name);
}