Coverage Report - org.apache.commons.io.output.ClosedOutputStream
 
Classes in this File Line Coverage Branch Coverage Complexity
ClosedOutputStream
100%
4/4
N/A
2
 
 1  
 /*
 2  
  * Licensed to the Apache Software Foundation (ASF) under one or more
 3  
  * contributor license agreements.  See the NOTICE file distributed with
 4  
  * this work for additional information regarding copyright ownership.
 5  
  * The ASF licenses this file to You under the Apache License, Version 2.0
 6  
  * (the "License"); you may not use this file except in compliance with
 7  
  * the License.  You may obtain a copy of the License at
 8  
  *
 9  
  *      http://www.apache.org/licenses/LICENSE-2.0
 10  
  *
 11  
  * Unless required by applicable law or agreed to in writing, software
 12  
  * distributed under the License is distributed on an "AS IS" BASIS,
 13  
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 14  
  * See the License for the specific language governing permissions and
 15  
  * limitations under the License.
 16  
  */
 17  
 package org.apache.commons.io.output;
 18  
 
 19  
 import java.io.IOException;
 20  
 import java.io.OutputStream;
 21  
 
 22  
 /**
 23  
  * Closed output stream. This stream throws an exception on all attempts to
 24  
  * write something to the stream.
 25  
  * <p>
 26  
  * Typically uses of this class include testing for corner cases in methods
 27  
  * that accept an output stream and acting as a sentinel value instead of
 28  
  * a {@code null} output stream.
 29  
  *
 30  
  * @since 1.4
 31  
  */
 32  7
 public class ClosedOutputStream extends OutputStream {
 33  
 
 34  
     /**
 35  
      * A singleton.
 36  
      */
 37  3
     public static final ClosedOutputStream CLOSED_OUTPUT_STREAM = new ClosedOutputStream();
 38  
 
 39  
     /**
 40  
      * Throws an {@link IOException} to indicate that the stream is closed.
 41  
      *
 42  
      * @param b ignored
 43  
      * @throws IOException always thrown
 44  
      */
 45  
     @Override
 46  
     public void write(final int b) throws IOException {
 47  2
         throw new IOException("write(" + b + ") failed: stream is closed");
 48  
     }
 49  
 
 50  
     /**
 51  
      * Throws an {@link IOException} to indicate that the stream is closed.
 52  
      *
 53  
      * @throws IOException always thrown
 54  
      */
 55  
     @Override
 56  
     public void flush() throws IOException {
 57  1
         throw new IOException("flush() failed: stream is closed");
 58  
     }
 59  
 }