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Java > Open Source Codes > com > caucho > hessian > io > CollectionSerializer


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 "Hessian", "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.
33  *
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
38  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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 JavaDoc;
52 import java.util.ArrayList JavaDoc;
53 import java.util.Collection JavaDoc;
54 import java.util.Iterator JavaDoc;
55
56 /**
57  * Serializing a JDK 1.2 Collection.
58  */
59 public class CollectionSerializer extends AbstractSerializer {
60   private boolean _sendJavaType = true;
61
62   /**
63    * Set true if the java type of the collection should be sent.
64    */
65   public void setSendJavaType(boolean sendJavaType)
66   {
67     _sendJavaType = sendJavaType;
68   }
69
70   /**
71    * Return true if the java type of the collection should be sent.
72    */
73   public boolean getSendJavaType()
74   {
75     return _sendJavaType;
76   }
77
78     
79   public void writeObject(Object JavaDoc obj, AbstractHessianOutput out)
80     throws IOException JavaDoc
81   {
82     if (out.addRef(obj))
83       return;
84
85     Collection JavaDoc list = (Collection JavaDoc) obj;
86
87     Class JavaDoc cl = obj.getClass();
88     boolean hasEnd;
89     
90     if (cl.equals(ArrayList JavaDoc.class) || ! _sendJavaType)
91       hasEnd = out.writeListBegin(list.size(), null);
92     else
93       hasEnd = out.writeListBegin(list.size(), obj.getClass().getName());
94
95     Iterator JavaDoc iter = list.iterator();
96     while (iter.hasNext()) {
97       Object JavaDoc value = iter.next();
98
99       out.writeObject(value);
100     }
101
102     if (hasEnd)
103       out.writeListEnd();
104   }
105 }
106
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