/*

  * 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.io.output;

 import java.io.OutputStream;

 /**

  * Proxy stream that prevents the underlying output stream from being closed.

  * <p>

  * This class is typically used in cases where an output stream needs to be

  * passed to a component that wants to explicitly close the stream even if

  * other components would still use the stream for output.

  *

  * @version $Id: CloseShieldOutputStream.java 1415850 2012-11-30 20:51:39Z ggregory $

  * @since 1.4

  */

 public class CloseShieldOutputStream extends ProxyOutputStream {

     /**

      * Creates a proxy that shields the given output stream from being

      * closed.

      *

      * @param out underlying output stream

      */

     public CloseShieldOutputStream(final OutputStream out) {

         super(out);

     }

     /**

      * Replaces the underlying output stream with a {@link ClosedOutputStream}

      * sentinel. The original output stream will remain open, but this proxy

      * will appear closed.

      */

     @Override

     public void close() {

         out = new ClosedOutputStream();

     }

 }