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Java > Open Source Codes > za > org > coefficient > interceptors > PermanentModuleInterceptor


1 /*
2  * Coefficient - facilitates project based collaboration
3  * Copyright (C) 2003, Dylan Etkin, CSIR icomtek
4  * PO Box 395
5  * Pretoria 0001, RSA
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License along with this library; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18  */
19
20 package za.org.coefficient.interceptors;
21
22 import za.org.coefficient.core.Constants;
23 import za.org.coefficient.core.CoefficientInterceptor;
24 import za.org.coefficient.interfaces.CoefficientContext;
25 import za.org.coefficient.util.common.InvokerFactory;
26
27 import javax.naming.Context JavaDoc;
28 import javax.naming.NameClassPair JavaDoc;
29 import javax.naming.NamingEnumeration JavaDoc;
30
31 /**
32  *
33  * @version $Revision: 1.6 $ $Date: 2004/10/20 08:17:28 $
34  * @author <a HREF="mailto:detkin@csir.co.za">Dylan Etkin</a>
35  */
36 public class PermanentModuleInterceptor extends CoefficientInterceptor {
37     //~ Static fields/initializers =============================================
38
39     //~ Methods ================================================================
40
41     protected int handleInvoke(CoefficientContext ctx) throws Exception JavaDoc {
42         int retVal = INVOKE_PROCESS_CHILD;
43
44         // try to get the names of all the permanent modules
45 Context initialContext = za.org.coefficient.util.common.ContextUtil.getContext();
46         try {
47             for (NamingEnumeration JavaDoc ne = initialContext.list(Constants.JNDI_CONTEXT + "/" + "permanent");
48                 ne.hasMore();) {
49                 NameClassPair JavaDoc bind = (NameClassPair JavaDoc) ne.next();
50
51                 // Fire the module
52 Object JavaDoc context = InvokerFactory.getRemoteInvoker()
53                     .invokeOpOnModule(bind.getName(), null, ctx);
54                 if(context instanceof CoefficientContext) {
55                     ctx = (CoefficientContext)context;
56                 }
57             }
58         } catch (Exception JavaDoc e) {
59             e.printStackTrace();
60         } finally {
61             initialContext.close();
62         }
63
64         return retVal;
65     }
66 }
67
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