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Java > Open Source Codes > rero > client > dcc > LocalInfo


1 package rero.client.dcc;
2
3 import rero.dcc.*;
4
5 import rero.client.*;
6 import rero.client.user.*;
7
8 import rero.ircfw.*;
9 import rero.ircfw.interfaces.*;
10
11 import rero.util.*;
12
13 import java.io.*;
14 import java.util.*;
15
16 import rero.gui.*;
17 import rero.dialogs.dcc.*;
18
19 import rero.config.*;
20
21 import java.net.*;
22
23 public class LocalInfo extends Feature implements FrameworkConstants, ClientStateListener
24 {
25    public static final String JavaDoc RESOLVE_FROM_SERVER = "Server Method";
26    public static final String JavaDoc RESOLVE_AUTOMATIC = "Normal Method";
27
28    protected static String JavaDoc localHost = null;
29
30    public void setLocalHost(String JavaDoc host)
31    {
32       try
33       {
34          if (localHost == null)
35          {
36             localHost = InetAddress.getByName(host).getHostAddress();
37             resolveHost = localHost;
38
39             HashMap eventDescription = new HashMap();
40             eventDescription.put("$data", localHost + " " + localHost);
41             eventDescription.put("$parms", localHost);
42             getCapabilities().getOutputCapabilities().fireSetStatus(eventDescription, "RESOLVED_LOCALINFO");
43          }
44       }
45       catch (Exception JavaDoc ex)
46       {
47          localHost = null;
48          resolveProcessed = false;
49          resolveHost = null;
50          ex.printStackTrace();
51       }
52    }
53
54    public String JavaDoc localip()
55    {
56       if (localHost != null)
57       {
58          return localHost;
59       }
60
61       try
62       {
63          localHost = InetAddress.getLocalHost().getHostAddress();
64          return localHost;
65       }
66       catch (Exception JavaDoc ex)
67       {
68          ex.printStackTrace();
69       }
70
71       return "127.0.0.1";
72    }
73
74
75    public void storeDataStructures(WeakHashMap data)
76    {
77       data.put("localInfo", this);
78    }
79
80    public void init()
81    {
82       ClientState.getClientState().addClientStateListener("dcc.localinfo", this);
83       processLocalInfoSettings();
84    }
85
86    protected static boolean resolveProcessed = false; // to make sure resolve doesn't get process twice
87 protected static String JavaDoc resolveHost = null; // save the host if we have to...
88
89    public void processLocalInfoSettings()
90    {
91       if (localHost != null) // localhost has already been processed... f00.
92 return;
93
94       if (ClientState.getClientState().getString("dcc.localinfo", ClientDefaults.dcc_localinfo).equals(RESOLVE_AUTOMATIC))
95       {
96          (new Thread JavaDoc(new Runnable JavaDoc() { public void run() { localip(); } })).start();
97       }
98       else if (ClientState.getClientState().getString("dcc.localinfo", ClientDefaults.dcc_localinfo).equals(RESOLVE_FROM_SERVER))
99       {
100          if (! resolveProcessed)
101          {
102             getCapabilities().addTemporaryListener(new ResolveLocalInfo());
103          }
104          else
105          {
106             localHost = resolveHost;
107          }
108       }
109       else
110       {
111          localHost = ClientState.getClientState().getString("dcc.localinfo", "127.0.0.1");
112       }
113    }
114
115    public void propertyChanged(String JavaDoc property, String JavaDoc parameter)
116    {
117       localHost = null;
118       processLocalInfoSettings();
119    }
120
121    protected class ResolveLocalInfo implements ChatListener, FrameworkConstants
122    {
123       protected String JavaDoc myhost;
124
125       public ResolveLocalInfo()
126       {
127          if (getCapabilities().isConnected())
128          {
129             getCapabilities().sendln("USERHOST " + ((InternalDataList)getCapabilities().getDataStructure(DataStructures.InternalDataList)).getMyNick());
130          }
131       }
132
133       public int fireChatEvent(HashMap eventDescription)
134       {
135           if (eventDescription.get($EVENT$).equals("302"))
136           {
137              myhost = eventDescription.get("$address").toString();
138              myhost = myhost.substring(myhost.indexOf('@') + 1, myhost.length());
139  
140              new Thread JavaDoc(new Runnable JavaDoc()
141              {
142                 public void run()
143                 {
144                    setLocalHost(myhost);
145                 }
146              }).start();
147
148              resolveProcessed = true; // do this so we don't have to ask to resolve local info via the server again.
149 // resolveHost will be set by the setLocalHost() function...
150
151              return REMOVE_LISTENER | EVENT_HALT; // end of a /who reply we got what we wanted
152 }
153           else if (eventDescription.get($EVENT$).equals("376"))
154           {
155              getCapabilities().sendln("USERHOST " + ((InternalDataList)getCapabilities().getDataStructure(DataStructures.InternalDataList)).getMyNick());
156           }
157
158           return EVENT_DONE;
159       }
160
161       public boolean isChatEvent(String JavaDoc event, HashMap eventDescription)
162       {
163           return event.equals("302") || event.equals("376"); // /USERHOST reply
164 }
165    }
166 }
167
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