/*

  * 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.apache.commons.classscan.builtin;

 import java.io.FilterInputStream;

 import java.io.IOException;

 import java.io.InputStream;

 import java.util.jar.JarEntry;

 import java.util.jar.JarFile;

 import org.apache.commons.classscan.ResourceFile;

 public class JarResourceFile implements ResourceFile {

         final JarFile jarFile;

         final JarEntry jarEntry;

         public JarResourceFile(JarFile jarFile, JarEntry jarEntry) {

                 this.jarFile = jarFile;

                 this.jarEntry = jarEntry;

         }

         @Override

         public InputStream getBytes() throws IOException {

                 final InputStream is = jarFile.getInputStream(jarEntry);

                 // close the jarFile when stream is closed

                 return new FilterInputStream(is) {

                         @Override

                         public void close() throws IOException {

                                 super.close();

                                 jarFile.close();

                         }

                 };

         }

         @Override

         public String getFileName() {

                 return jarEntry.getName();

         }

 }