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Java > Open Source Codes > org > openejb > client > JNDIResponse


1 /**
2  * Redistribution and use of this software and associated documentation
3  * ("Software"), with or without modification, are permitted provided
4  * that the following conditions are met:
5  *
6  * 1. Redistributions of source code must retain copyright
7  * statements and notices. Redistributions must also contain a
8  * copy of this document.
9  *
10  * 2. Redistributions in binary form must reproduce the
11  * above copyright notice, this list of conditions and the
12  * following disclaimer in the documentation and/or other
13  * materials provided with the distribution.
14  *
15  * 3. The name "OpenEJB" must not be used to endorse or promote
16  * products derived from this Software without prior written
17  * permission of The OpenEJB Group. For written permission,
18  * please contact dev@openejb.org.
19  *
20  * 4. Products derived from this Software may not be called "OpenEJB"
21  * nor may "OpenEJB" appear in their names without prior written
22  * permission of The OpenEJB Group. OpenEJB is a registered
23  * trademark of The OpenEJB Group.
24  *
25  * 5. Due credit should be given to the OpenEJB Project
26  * (http://www.openejb.org/).
27  *
28  * THIS SOFTWARE IS PROVIDED BY THE OPENEJB GROUP AND CONTRIBUTORS
29  * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
30  * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
31  * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
32  * THE OPENEJB GROUP OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
33  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
34  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
35  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
37  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
38  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
39  * OF THE POSSIBILITY OF SUCH DAMAGE.
40  *
41  * Copyright 2001 (C) The OpenEJB Group. All Rights Reserved.
42  *
43  * $Id: JNDIResponse.java 1912 2005-06-16 22:29:56Z jlaskowski $
44  */
45 package org.openejb.client;
46
47 import java.io.IOException JavaDoc;
48 import java.io.ObjectInput JavaDoc;
49 import java.io.ObjectOutput JavaDoc;
50
51 /**
52  *
53  * @author <a HREF="mailto:david.blevins@visi.com">David Blevins</a>
54  * @since 11/25/2001
55  */
56 public class JNDIResponse implements Response {
57
58     private transient int responseCode = -1;
59     private transient Object JavaDoc result;
60
61     public JNDIResponse(){
62     }
63
64     public JNDIResponse(int code, Object JavaDoc obj){
65         responseCode = code;
66         result = obj;
67     }
68
69     public int getResponseCode(){
70         return responseCode;
71     }
72
73     public Object JavaDoc getResult(){
74         return result;
75     }
76
77     public void setResponseCode(int responseCode){
78         this.responseCode = responseCode;
79     }
80
81     public void setResult(Object JavaDoc result){
82         this.result = result;
83     }
84
85     /**
86      * The object implements the readExternal method to restore its
87      * contents by calling the methods of DataInput for primitive
88      * types and readObject for objects, strings and arrays. The
89      * readExternal method must read the values in the same sequence
90      * and with the same types as were written by writeExternal.
91      *
92      * @param in the stream to read data from in order to restore the object
93      * @exception IOException if I/O errors occur
94      * @exception ClassNotFoundException If the class for an object being
95      * restored cannot be found.
96      */
97     public void readExternal(ObjectInput JavaDoc in) throws IOException JavaDoc, ClassNotFoundException JavaDoc {
98         responseCode = in.readByte();
99         //System.out.println("responseCode "+responseCode );
100
101         switch (responseCode) {
102             case JNDI_OK:
103             case JNDI_NAMING_EXCEPTION:
104             case JNDI_RUNTIME_EXCEPTION:
105             case JNDI_ERROR:
106                 result = in.readObject();
107                 break;
108             case JNDI_CONTEXT:
109             case JNDI_NOT_FOUND:
110                 break;
111             case JNDI_EJBHOME:
112                 EJBMetaDataImpl m = new EJBMetaDataImpl();
113                 m.readExternal(in);
114                 result = m;
115                 break;
116         }
117     }
118
119     /**
120      * The object implements the writeExternal method to save its contents
121      * by calling the methods of DataOutput for its primitive values or
122      * calling the writeObject method of ObjectOutput for objects, strings,
123      * and arrays.
124      *
125      * @serialData Overriding methods should use this tag to describe
126      * the data layout of this Externalizable object.
127      * List the sequence of element types and, if possible,
128      * relate the element to a public/protected field and/or
129      * method of this Externalizable class.
130      *
131      * @param out the stream to write the object to
132      * @exception IOException Includes any I/O exceptions that may occur
133      */
134     public void writeExternal(ObjectOutput JavaDoc out) throws IOException JavaDoc {
135         //System.out.println("responseCode "+responseCode );
136 out.writeByte((byte)responseCode);
137
138         switch (responseCode) {
139             case JNDI_OK:
140             case JNDI_NAMING_EXCEPTION:
141             case JNDI_RUNTIME_EXCEPTION:
142             case JNDI_ERROR:
143                 out.writeObject(result);
144                 break;
145             case JNDI_CONTEXT:
146             case JNDI_NOT_FOUND:
147                 break;
148             case JNDI_EJBHOME:
149                 EJBMetaDataImpl m = (EJBMetaDataImpl)result;
150                 m.writeExternal(out);
151                 break;
152
153         }
154     }
155 }
156
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