ClassTransformerChain.java

/*
 *
 *   Copyright 2003 the original author or authors.
 *
 *   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 org.powermock.api.mockito.repackaged.cglib.transform;

import org.powermock.api.mockito.repackaged.asm.ClassVisitor;
import org.powermock.api.mockito.repackaged.asm.MethodVisitor;

public class ClassTransformerChain extends AbstractClassTransformer {
    private ClassTransformer[] chain;
    
    public ClassTransformerChain(ClassTransformer[] chain) {
        this.chain = chain.clone();
    }

    public void setTarget(ClassVisitor v) {
        super.setTarget(chain[0]);
        ClassVisitor next = v;
        for (int i = chain.length - 1; i >= 0; i--) {
            chain[i].setTarget(next);
            next = chain[i];
        }
    }

    public MethodVisitor visitMethod(int access,
                                     String name,
                                     String desc,
                                     String signature,
                                     String[] exceptions) {
        return cv.visitMethod(access, name, desc, signature, exceptions);
    }

    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append("ClassTransformerChain{");
        for (int i = 0; i < chain.length; i++) {
            if (i > 0) {
                sb.append(", ");
            }
            sb.append(chain[i].toString());
        }
        sb.append("}");
        return sb.toString();
    }
}