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Java > Open Source Codes > org > openejb > server > ejbd > JndiRequestHandler


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: JndiRequestHandler.java 1912 2005-06-16 22:29:56Z jlaskowski $
44  */
45 package org.openejb.server.ejbd;
46
47 import java.io.ObjectInputStream JavaDoc;
48 import java.io.ObjectOutputStream JavaDoc;
49
50 import javax.naming.Context JavaDoc;
51 import javax.naming.NameNotFoundException JavaDoc;
52 import javax.naming.NamingException JavaDoc;
53
54 import org.openejb.DeploymentInfo;
55 import org.openejb.OpenEJB;
56 import org.openejb.client.EJBMetaDataImpl;
57 import org.openejb.client.JNDIRequest;
58 import org.openejb.client.JNDIResponse;
59 import org.openejb.client.RequestMethods;
60 import org.openejb.client.ResponseCodes;
61
62
63 /**
64  * @author <a HREF="mailto:david.blevins@visi.com">David Blevins</a>
65  */
66 class JndiRequestHandler implements ResponseCodes, RequestMethods {
67     private final EjbDaemon daemon;
68
69     javax.naming.Context JavaDoc clientJndi;
70
71     JndiRequestHandler(EjbDaemon daemon) throws Exception JavaDoc{
72         clientJndi = (javax.naming.Context JavaDoc)OpenEJB.getJNDIContext().lookup("openejb/ejb");
73         this.daemon = daemon;
74     }
75
76     public void processRequest(ObjectInputStream JavaDoc in, ObjectOutputStream JavaDoc out) throws Exception JavaDoc{
77         JNDIRequest req = new JNDIRequest();
78         JNDIResponse res = new JNDIResponse();
79         req.readExternal( in );
80
81         // We are assuming that the request method is JNDI_LOOKUP
82 // TODO: Implement the JNDI_LIST and JNDI_LIST_BINDINGS methods
83
84         String JavaDoc name = req.getRequestString();
85         if ( name.startsWith("/") ) name = name.substring(1);
86
87         DeploymentInfo deployment = daemon.deploymentIndex.getDeployment(name);
88
89         if (deployment == null) {
90             try {
91                 Object JavaDoc obj = clientJndi.lookup(name);
92
93                 if ( obj instanceof Context JavaDoc ) {
94                     res.setResponseCode( JNDI_CONTEXT );
95                 } else res.setResponseCode( JNDI_NOT_FOUND );
96
97             } catch (NameNotFoundException JavaDoc e) {
98                 res.setResponseCode(JNDI_NOT_FOUND);
99             } catch (NamingException JavaDoc e) {
100                 res.setResponseCode(JNDI_NAMING_EXCEPTION);
101                 res.setResult( e );
102             }
103         } else {
104             res.setResponseCode( JNDI_EJBHOME );
105             EJBMetaDataImpl metaData = new EJBMetaDataImpl(deployment.getHomeInterface(),
106                                                            deployment.getRemoteInterface(),
107                                                            deployment.getPrimaryKeyClass(),
108                                                            deployment.getComponentType(),
109                                                            deployment.getDeploymentID().toString(),
110                                                            this.daemon.deploymentIndex.getDeploymentIndex(name));
111             res.setResult( metaData );
112         }
113
114         res.writeExternal( out );
115     }
116 }
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