1 /*
   2  * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 /*
  27  * Created on Feb 28, 2003
  28  *
  29  * To change this generated comment go to
  30  * Window>Preferences>Java>Code Generation>Code Template
  31  */
  32 package com.sun.xml.internal.messaging.saaj.util;
  33 
  34 import java.io.*;
  35 
  36 /**
  37  * @author pgoodwin
  38  */
  39 public class TeeInputStream extends InputStream {
  40     protected InputStream source;
  41     protected OutputStream copySink;
  42 
  43     public TeeInputStream(InputStream source, OutputStream sink) {
  44         super();
  45         this.copySink = sink;
  46         this.source = source;
  47     }
  48 
  49     @Override
  50     public int read() throws IOException {
  51         int result = source.read();
  52         copySink.write(result);
  53         return result;
  54     }
  55 
  56     @Override
  57     public int available() throws IOException {
  58         return source.available();
  59     }
  60 
  61     @Override
  62     public void close() throws IOException {
  63         source.close();
  64     }
  65 
  66     @Override
  67     public synchronized void mark(int readlimit) {
  68         source.mark(readlimit);
  69     }
  70 
  71     @Override
  72     public boolean markSupported() {
  73         return source.markSupported();
  74     }
  75 
  76     @Override
  77     public int read(byte[] b, int off, int len) throws IOException {
  78         int result = source.read(b, off, len);
  79         copySink.write(b, off, len);
  80         return result;
  81     }
  82 
  83     @Override
  84     public int read(byte[] b) throws IOException {
  85         int result = source.read(b);
  86         copySink.write(b);
  87         return result;
  88     }
  89 
  90     @Override
  91     public synchronized void reset() throws IOException {
  92         source.reset();
  93     }
  94 
  95     @Override
  96     public long skip(long n) throws IOException {
  97         return source.skip(n);
  98     }
  99 
 100 }