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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.input;
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import java.io.InputStream;
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* Closed input stream. This stream returns -1 to all attempts to read
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* something from the stream.
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* Typically uses of this class include testing for corner cases in methods
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* that accept input streams and acting as a sentinel value instead of a
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* <code>null</code> input stream.
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* @version $Id: ClosedInputStream.java 601751 2007-12-06 14:55:45Z niallp $
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* @since Commons IO 1.4
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public class ClosedInputStream extends InputStream {
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public static final ClosedInputStream CLOSED_INPUT_STREAM = new ClosedInputStream();
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* Returns -1 to indicate that the stream is closed.