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Java > Open Source Codes > org > jboss > system > microcontainer > ServiceControllerContextAction


1 /*
2 * JBoss, Home of Professional Open Source
3 * Copyright 2006, JBoss Inc., and individual contributors as indicated
4 * by the @authors tag. See the copyright.txt in the distribution for a
5 * full listing of individual contributors.
6 *
7 * This is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU Lesser General Public License as
9 * published by the Free Software Foundation; either version 2.1 of
10 * the License, or (at your option) any later version.
11 *
12 * This software is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this software; if not, write to the Free
19 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21 */
22 package org.jboss.system.microcontainer;
23
24 import java.security.AccessController JavaDoc;
25 import java.security.PrivilegedAction JavaDoc;
26 import java.security.PrivilegedActionException JavaDoc;
27 import java.security.PrivilegedExceptionAction JavaDoc;
28
29 import org.jboss.dependency.plugins.spi.action.ControllerContextAction;
30 import org.jboss.dependency.spi.ControllerContext;
31 import org.jboss.logging.Logger;
32
33 /**
34  * ServiceControllerContextAction.
35  *
36  * @author <a HREF="adrian@jboss.com">Adrian Brock</a>
37  * @version $Revision: 1.1 $
38  */
39 public class ServiceControllerContextAction implements ControllerContextAction
40 {
41    protected Logger log = Logger.getLogger(getClass());
42
43    public void install(final ControllerContext context) throws Throwable JavaDoc
44    {
45       if (System.getSecurityManager() == null || context instanceof ServiceControllerContext == false)
46          installAction((ServiceControllerContext) context);
47       else
48       {
49          PrivilegedExceptionAction JavaDoc<Object JavaDoc> action = new PrivilegedExceptionAction JavaDoc<Object JavaDoc>()
50          {
51             public Object JavaDoc run() throws Exception JavaDoc
52             {
53                try
54                {
55                   installAction((ServiceControllerContext) context);
56                   return null;
57                }
58                catch (RuntimeException JavaDoc e)
59                {
60                   throw e;
61                }
62                catch (Exception JavaDoc e)
63                {
64                   throw e;
65                }
66                catch (Error JavaDoc e)
67                {
68                   throw e;
69                }
70                catch (Throwable JavaDoc t)
71                {
72                   throw new RuntimeException JavaDoc(t);
73                }
74             }
75          };
76          try
77          {
78             AccessController.doPrivileged(action);
79          }
80          catch (PrivilegedActionException JavaDoc e)
81          {
82             throw e.getCause();
83          }
84       }
85    }
86
87    public void uninstall(final ControllerContext context)
88    {
89       if (System.getSecurityManager() == null || context instanceof ServiceControllerContext == false)
90          uninstallAction((ServiceControllerContext) context);
91       else
92       {
93          PrivilegedAction JavaDoc<Object JavaDoc> action = new PrivilegedAction JavaDoc<Object JavaDoc>()
94          {
95             public Object JavaDoc run()
96             {
97                uninstallAction((ServiceControllerContext) context);
98                return null;
99             }
100          };
101          AccessController.doPrivileged(action);
102       }
103    }
104    
105    public void installAction(ServiceControllerContext context) throws Throwable JavaDoc
106    {
107    }
108
109    public void uninstallAction(ServiceControllerContext context)
110    {
111    }
112 }
113
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