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  
  */
 26  2
 public class DemuxOutputStream extends OutputStream {
 27  2
     private final InheritableThreadLocal<OutputStream> outputStreamThreadLocal = new InheritableThreadLocal<>();
 28  
 
 29  
     /**
 30  
      * Binds the specified stream to the current thread.
 31  
      *
 32  
      * @param output
 33  
      *            the stream to bind
 34  
      * @return the OutputStream that was previously active
 35  
      */
 36  
     public OutputStream bindStream(final OutputStream output) {
 37  8
         final OutputStream stream = outputStreamThreadLocal.get();
 38  8
         outputStreamThreadLocal.set(output);
 39  8
         return stream;
 40  
     }
 41  
 
 42  
     /**
 43  
      * Closes stream associated with current thread.
 44  
      *
 45  
      * @throws IOException
 46  
      *             if an error occurs
 47  
      */
 48  
     @Override
 49  
     public void close() throws IOException {
 50  0
         final OutputStream output = outputStreamThreadLocal.get();
 51  0
         if (null != output) {
 52  0
             output.close();
 53  
         }
 54  0
     }
 55  
 
 56  
     /**
 57  
      * Flushes stream associated with current thread.
 58  
      *
 59  
      * @throws IOException
 60  
      *             if an error occurs
 61  
      */
 62  
     @Override
 63  
     public void flush() throws IOException {
 64  
         @SuppressWarnings("resource")
 65  0
         final OutputStream output = outputStreamThreadLocal.get();
 66  0
         if (null != output) {
 67  0
             output.flush();
 68  
         }
 69  0
     }
 70  
 
 71  
     /**
 72  
      * Writes byte to stream associated with current thread.
 73  
      *
 74  
      * @param ch
 75  
      *            the byte to write to stream
 76  
      * @throws IOException
 77  
      *             if an error occurs
 78  
      */
 79  
     @Override
 80  
     public void write(final int ch) throws IOException {
 81  
         @SuppressWarnings("resource")
 82  123
         final OutputStream output = outputStreamThreadLocal.get();
 83  121
         if (null != output) {
 84  126
             output.write(ch);
 85  
         }
 86  124
     }
 87  
 }