Coverage Report - org.apache.commons.io.output.DemuxOutputStream
 
Classes in this File Line Coverage Branch Coverage Complexity
DemuxOutputStream
52%
9/17
16%
1/6
1.75
 
 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  
  * Forwards data to a stream that has been associated with this thread.
 24  
  *
 25  
  * @version $Id: DemuxOutputStream.java 1737901 2016-04-06 00:23:36Z ggregory $
 26  
  */
 27  1
 public class DemuxOutputStream extends OutputStream {
 28  1
     private final InheritableThreadLocal<OutputStream> outputStreamThreadLocal = new InheritableThreadLocal<OutputStream>();
 29  
 
 30  
     /**
 31  
      * Binds the specified stream to the current thread.
 32  
      *
 33  
      * @param output
 34  
      *            the stream to bind
 35  
      * @return the OutputStream that was previously active
 36  
      */
 37  
     public OutputStream bindStream(final OutputStream output) {
 38  4
         final OutputStream stream = outputStreamThreadLocal.get();
 39  4
         outputStreamThreadLocal.set(output);
 40  4
         return stream;
 41  
     }
 42  
 
 43  
     /**
 44  
      * Closes stream associated with current thread.
 45  
      *
 46  
      * @throws IOException
 47  
      *             if an error occurs
 48  
      */
 49  
     @Override
 50  
     public void close() throws IOException {
 51  0
         final OutputStream output = outputStreamThreadLocal.get();
 52  0
         if (null != output) {
 53  0
             output.close();
 54  
         }
 55  0
     }
 56  
 
 57  
     /**
 58  
      * Flushes stream associated with current thread.
 59  
      *
 60  
      * @throws IOException
 61  
      *             if an error occurs
 62  
      */
 63  
     @Override
 64  
     public void flush() throws IOException {
 65  
         @SuppressWarnings("resource")
 66  0
         final OutputStream output = outputStreamThreadLocal.get();
 67  0
         if (null != output) {
 68  0
             output.flush();
 69  
         }
 70  0
     }
 71  
 
 72  
     /**
 73  
      * Writes byte to stream associated with current thread.
 74  
      *
 75  
      * @param ch
 76  
      *            the byte to write to stream
 77  
      * @throws IOException
 78  
      *             if an error occurs
 79  
      */
 80  
     @Override
 81  
     public void write(final int ch) throws IOException {
 82  
         @SuppressWarnings("resource")
 83  56
         final OutputStream output = outputStreamThreadLocal.get();
 84  59
         if (null != output) {
 85  61
             output.write(ch);
 86  
         }
 87  62
     }
 88  
 }