| /* |
| * 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 587913 2007-10-24 15:47:30Z niallp $ |
| * @since Commons IO 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(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. |
| */ |
| public void close() { |
| out = new ClosedOutputStream(); |
| } |
| |
| } |