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Java > Open Source Codes > org > objectweb > jonas > webapp > jonasadmin > service > db > ListDatabasesAction


1 /**
2  * JOnAS: Java(TM) Open Application Server
3  * Copyright (C) 1999-2004 Bull S.A.
4  * Contact: jonas-team@objectweb.org
5  *
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 any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
19  * USA
20  *
21  * --------------------------------------------------------------------------
22  * $Id: ListDatabasesAction.java,v 1.9 2004/09/20 12:56:15 danesa Exp $
23  * --------------------------------------------------------------------------
24  */
25
26 package org.objectweb.jonas.webapp.jonasadmin.service.db;
27
28 import java.io.IOException JavaDoc;
29 import java.util.ArrayList JavaDoc;
30 import java.util.Collections JavaDoc;
31 import java.util.Iterator JavaDoc;
32
33 import javax.management.ObjectName JavaDoc;
34 import javax.servlet.ServletException JavaDoc;
35 import javax.servlet.http.HttpServletRequest JavaDoc;
36 import javax.servlet.http.HttpServletResponse JavaDoc;
37
38 import org.apache.struts.action.ActionForm;
39 import org.apache.struts.action.ActionForward;
40 import org.apache.struts.action.ActionMapping;
41 import org.objectweb.jonas.jmx.J2eeObjectName;
42 import org.objectweb.jonas.jmx.JonasManagementRepr;
43 import org.objectweb.jonas.webapp.jonasadmin.JonasBaseAction;
44 import org.objectweb.jonas.webapp.jonasadmin.WhereAreYou;
45
46 /**
47  * @author Michel-Ange ANTON
48  * @author Adriana Danes - update to use JSR 77 JDBCResource
49  */
50
51 public class ListDatabasesAction extends JonasBaseAction {
52
53 // --------------------------------------------------------- Public Methods
54 /**
55      * Action executed to perform HTTP request
56      *
57      * @param pMapping The ActionMapping used to select this instance
58      * @param pForm The optional ActionForm bean for this request (if any)
59      * @param pRequest The HTTP request we are processing
60      * @param pResponse The HTTP response we are creating
61      *
62      * @return The forward where redirect
63      *
64      * @exception IOException if an input/output error occurs
65      * @exception ServletException if a servlet exception occurs
66      */
67     public ActionForward executeAction(ActionMapping pMapping, ActionForm pForm
68             , HttpServletRequest JavaDoc pRequest, HttpServletResponse JavaDoc pResponse)
69     throws IOException JavaDoc, ServletException JavaDoc {
70
71         // Force the node selected in tree
72 m_WhereAreYou.selectNameNode(getTreeBranchName(DEPTH_SERVER) + WhereAreYou.NODE_SEPARATOR
73                 + "services" + WhereAreYou.NODE_SEPARATOR + "database", true);
74
75         // no Form used
76 try {
77             // Use JDBCResource MBean
78 String JavaDoc domainName = m_WhereAreYou.getCurrentDomainName();
79             String JavaDoc serverName = m_WhereAreYou.getCurrentJonasServerName();
80             ObjectName JavaDoc on = J2eeObjectName.JDBCResource(domainName, serverName);
81             String JavaDoc[] jdbcDataSources = (String JavaDoc[]) JonasManagementRepr.getAttribute(on, "jdbcDataSources");
82             ArrayList JavaDoc al = new ArrayList JavaDoc();
83             if (jdbcDataSources.length != 0) {
84                 String JavaDoc jdbcDataSourceON = null;
85                 ObjectName JavaDoc jdbcDataSourceObjectName = null;
86                 String JavaDoc sName = null;
87                 String JavaDoc sJndiName = null;
88                 int iJdbcConOpen;
89                 for (int i = 0; i < jdbcDataSources.length; i++) {
90                     jdbcDataSourceON = jdbcDataSources[i];
91                     jdbcDataSourceObjectName = ObjectName.getInstance(jdbcDataSourceON);
92                     sName = (String JavaDoc) getStringAttribute(jdbcDataSourceObjectName, "name");
93                     sJndiName = (String JavaDoc) getStringAttribute(jdbcDataSourceObjectName, "jndiName");
94                     iJdbcConOpen = getIntegerAttribute(jdbcDataSourceObjectName, "currentOpened ");
95                     al.add(new DatasourceItem(sName, sJndiName, iJdbcConOpen, true));
96                 }
97
98                 Collections.sort(al, new DatasourceItemByNameComparator());
99             }
100             // Set list in the request
101 pRequest.setAttribute("listDatabases", al);
102         } catch (Throwable JavaDoc t) {
103             addGlobalError(t);
104             saveErrors(pRequest, m_Errors);
105             return (pMapping.findForward("Global Error"));
106         }
107         // Forward to the jsp.
108 return (pMapping.findForward("Databases"));
109     }
110 }
111
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