/*

  * Licensed to the Apache Software Foundation (ASF) under one or more

  * contributor license agreements.  See the NOTICE file distributed with

  * this work for additional information regarding copyright ownership.

  * The ASF licenses this file to You 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.apache.commons.javaflow.stores;

 import org.apache.commons.javaflow.bytecode.transformation.ResourceTransformer;

 import org.apache.commons.jci.stores.ResourceStore;

 /**

  * @author tcurdt

  *

  */

 public final class TransformingResourceStore implements ResourceStore {

     private final ResourceStore store;

     private final ResourceTransformer[] transformers;

     public TransformingResourceStore( final ResourceStore pStore, final ResourceTransformer[] pTransformers) {

         store = pStore;

         transformers = pTransformers;

     }

     public byte[] read(String resourceName) {

         return store.read(resourceName);

     }

     public void remove(String resourceName) {

         store.remove(resourceName);

     }

     public void write(String resourceName, byte[] resourceData) {

         byte[] out = resourceData;

         // FIXME: make the matching configurable

         //if (resourceName.endsWith(".class")) {

             byte[] in = resourceData;

             for(int i=0; i<transformers.length; i++) {

                 out = transformers[i].transform(in);

                 in = out;

             }

         //}

         store.write(resourceName, out);

     }

     public String toString() {

         return store.toString();

     }

 }