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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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package org.apache.commons.io.output;
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import java.io.OutputStream;
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* Proxy stream that prevents the underlying output stream from being closed.
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* This class is typically used in cases where an output stream needs to be
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* passed to a component that wants to explicitly close the stream even if
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* other components would still use the stream for output.
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* @version $Id: CloseShieldOutputStream.java 587913 2007-10-24 15:47:30Z niallp $
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* @since Commons IO 1.4
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public class CloseShieldOutputStream extends ProxyOutputStream {
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* Creates a proxy that shields the given output stream from being
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* @param out underlying output stream
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public CloseShieldOutputStream(OutputStream out) {
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* Replaces the underlying output stream with a {@link ClosedOutputStream}
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* sentinel. The original output stream will remain open, but this proxy
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out = new ClosedOutputStream();