InputStreamSerializer


1   /*
2    * Copyright (c) 2001-2004 Caucho Technology, Inc.  All rights reserved.
3    *
4    * The Apache Software License, Version 1.1
5    *
6    * Redistribution and use in source and binary forms, with or without
7    * modification, are permitted provided that the following conditions
8    * are met:
9    *
10   * 1. Redistributions of source code must retain the above copyright
11   *    notice, this list of conditions and the following disclaimer.
12   *
13   * 2. Redistributions in binary form must reproduce the above copyright
14   *    notice, this list of conditions and the following disclaimer in
15   *    the documentation and/or other materials provided with the
16   *    distribution.
17   *
18   * 3. The end-user documentation included with the redistribution, if
19   *    any, must include the following acknowlegement:
20   *       "This product includes software developed by the
21   *        Caucho Technology (http://www.caucho.com/)."
22   *    Alternately, this acknowlegement may appear in the software itself,
23   *    if and wherever such third-party acknowlegements normally appear.
24   *
25   * 4. The names "Burlap", "Resin", and "Caucho" must not be used to
26   *    endorse or promote products derived from this software without prior
27   *    written permission. For written permission, please contact
28   *    info@caucho.com.
29   *
30   * 5. Products derived from this software may not be called "Resin"
31   *    nor may "Resin" appear in their names without prior written
32   *    permission of Caucho Technology.
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34   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
35   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
36   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
37   * DISCLAIMED.  IN NO EVENT SHALL CAUCHO TECHNOLOGY OR ITS CONTRIBUTORS
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39   * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
40   * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
41   * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
42   * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
43   * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
44   * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
45   *
46   * @author Scott Ferguson
47   */
48  
49  package com.caucho.hessian.io;
50  
51  import java.io.IOException  ;
52  import java.io.InputStream  ;
53  
54  /**
55   * Serializing a stream object.
56   */
57  public class InputStreamSerializer extends AbstractSerializer {
58    public InputStreamSerializer()
59    {
60    }
61    
62    public void writeObject(Object   obj, AbstractHessianOutput out)
63      throws IOException  
64    {
65      InputStream   is = (InputStream  ) obj;
66  
67      if (is == null)
68        out.writeNull();
69      else {
70        byte []buf = new byte[1024];
71        int len;
72  
73        while ((len = is.read(buf, 0, buf.length)) > 0) {
74      out.writeByteBufferPart(buf, 0, len);
75        }
76        
77        out.writeByteBufferEnd(buf, 0, 0);
78      }
79    }
80  }
81
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