aboutsummaryrefslogtreecommitdiffstats
path: root/src/net/java/sip/communicator/impl/protocol/ssh/SSHActivator.java
blob: f3609233b3db7ac72332e93b6198b2794d7ea05d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
/*
 * SIP Communicator, the OpenSource Java VoIP and Instant Messaging client.
 *
 * Distributable under LGPL license.
 * See terms of license at gnu.org.
 *
 * SSHActivator.java
 *
 * SSH Suport in SIP Communicator - GSoC' 07 Project
 *
 */
package net.java.sip.communicator.impl.protocol.ssh;

import java.util.*;

import org.osgi.framework.*;
import net.java.sip.communicator.util.*;
import net.java.sip.communicator.service.protocol.*;
import net.java.sip.communicator.service.resources.*;

/**
 * Loads the SSH provider factory and registers its services in the OSGI
 * bundle context.
 *
 * @author Shobhit Jindal
 */
public class SSHActivator
        implements BundleActivator
{
    private static final Logger logger
            = Logger.getLogger(SSHActivator.class);
    
    /**
     * A reference to the registration of our SSH protocol provider
     * factory.
     */
    private ServiceRegistration  sshPpFactoryServReg   = null;
    
    /**
     * A reference to the SSH protocol provider factory.
     */
    private static ProtocolProviderFactorySSHImpl
            sshProviderFactory = null;
    
    /**
     * The currently valid bundle context.
     */
    private static BundleContext bundleContext = null;
    
    private static ResourceManagementService resourcesService;
    
    /**
     * Called when this bundle is started. In here we'll export the
     * ssh ProtocolProviderFactory implementation so that it could be
     * possible to register accounts with it in SIP Communicator.
     *
     * @param context The execution context of the bundle being started.
     * @throws Exception If this method throws an exception, this bundle is
     *   marked as stopped and the Framework will remove this bundle's
     *   listeners, unregister all services registered by this bundle, and
     *   release all services used by this bundle.
     */
    public void start(BundleContext context)
    throws Exception
    {
        this.bundleContext = context;
        
        Hashtable<String, String> hashtable = new Hashtable<String, String>();
        hashtable.put(ProtocolProviderFactory.PROTOCOL, "SSH");

        sshProviderFactory = new ProtocolProviderFactorySSHImpl();

        //reg the ssh provider factory.
        sshPpFactoryServReg =  context.registerService(
                ProtocolProviderFactory.class.getName(),
                sshProviderFactory,
                hashtable);
        
        logger.info("SSH protocol implementation [STARTED].");
    }
    
    /**
     * Returns a reference to the bundle context that we were started with.
     * @return bundleContext a reference to the BundleContext instance
     * that we were started with.
     */
    public static BundleContext getBundleContext()
    {
        return bundleContext;
    }
    
    /**
     * Retrurns a reference to the protocol provider factory that we have
     * registered.
     * @return a reference to the <tt>ProtocolProviderFactoryJabberImpl</tt>
     * instance that we have registered from this package.
     */
    public static ProtocolProviderFactorySSHImpl
            getProtocolProviderFactory()
    {
        return sshProviderFactory;
    }
    
    
    /**
     * Called when this bundle is stopped so the Framework can perform the
     * bundle-specific activities necessary to stop the bundle.
     *
     * @param context The execution context of the bundle being stopped.
     * @throws Exception If this method throws an exception, the bundle is
     *   still marked as stopped, and the Framework will remove the bundle's
     *   listeners, unregister all services registered by the bundle, and
     *   release all services used by the bundle.
     */
    public void stop(BundleContext context)
    throws Exception
    {
        this.sshProviderFactory.stop();
        sshPpFactoryServReg.unregister();
        logger.info("SSH protocol implementation [STOPPED].");
    }
    
    public static ResourceManagementService getResources()
    {
        if (resourcesService == null)
            resourcesService =
                ResourceManagementServiceUtils.getService(bundleContext);
        return resourcesService;
    }
}