Coverage Report - org.apache.commons.io.output.TeeOutputStream
 
Classes in this File Line Coverage Branch Coverage Complexity
TeeOutputStream
100%
19/19
N/A
1
 
 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  
  * Classic splitter of OutputStream. Named after the unix 'tee' 
 24  
  * command. It allows a stream to be branched off so there 
 25  
  * are now two streams.
 26  
  *
 27  
  * @version $Id: TeeOutputStream.java 1415850 2012-11-30 20:51:39Z ggregory $
 28  
  */
 29  
 public class TeeOutputStream extends ProxyOutputStream {
 30  
 
 31  
     /** the second OutputStream to write to */
 32  
     protected OutputStream branch;
 33  
 
 34  
     /**
 35  
      * Constructs a TeeOutputStream.
 36  
      * @param out the main OutputStream
 37  
      * @param branch the second OutputStream
 38  
      */
 39  
     public TeeOutputStream(final OutputStream out, final OutputStream branch) {
 40  6
         super(out);
 41  6
         this.branch = branch;
 42  6
     }
 43  
 
 44  
     /**
 45  
      * Write the bytes to both streams.
 46  
      * @param b the bytes to write
 47  
      * @throws IOException if an I/O error occurs
 48  
      */
 49  
     @Override
 50  
     public synchronized void write(final byte[] b) throws IOException {
 51  2
         super.write(b);
 52  2
         this.branch.write(b);
 53  2
     }
 54  
 
 55  
     /**
 56  
      * Write the specified bytes to both streams.
 57  
      * @param b the bytes to write
 58  
      * @param off The start offset
 59  
      * @param len The number of bytes to write
 60  
      * @throws IOException if an I/O error occurs
 61  
      */
 62  
     @Override
 63  
     public synchronized void write(final byte[] b, final int off, final int len) throws IOException {
 64  2
         super.write(b, off, len);
 65  2
         this.branch.write(b, off, len);
 66  2
     }
 67  
 
 68  
     /**
 69  
      * Write a byte to both streams.
 70  
      * @param b the byte to write
 71  
      * @throws IOException if an I/O error occurs
 72  
      */
 73  
     @Override
 74  
     public synchronized void write(final int b) throws IOException {
 75  40
         super.write(b);
 76  40
         this.branch.write(b);
 77  40
     }
 78  
 
 79  
     /**
 80  
      * Flushes both streams.
 81  
      * @throws IOException if an I/O error occurs
 82  
      */
 83  
     @Override
 84  
     public void flush() throws IOException {
 85  2
         super.flush();
 86  2
         this.branch.flush();
 87  2
     }
 88  
 
 89  
     /**
 90  
      * Closes both output streams.
 91  
      * 
 92  
      * If closing the main output stream throws an exception, attempt to close the branch output stream.
 93  
      * 
 94  
      * If closing the main and branch output streams both throw exceptions, which exceptions is thrown by this method is
 95  
      * currently unspecified and subject to change.
 96  
      * 
 97  
      * @throws IOException
 98  
      *             if an I/O error occurs
 99  
      */
 100  
     @Override
 101  
     public void close() throws IOException {
 102  
         try {
 103  6
             super.close();
 104  
         } finally {
 105  6
             this.branch.close();
 106  2
         }
 107  2
     }
 108  
 
 109  
 }