[GATE-55] Restructuring work to incorporate lack of need of transports in roster.

[GATE-13] Working on "what features the client supports" functionality for things like typing notifications.
[GATE-1] Messing with threads a tad.

git-svn-id: http://svn.igniterealtime.org/svn/repos/wildfire/trunk/src/plugins/gateway@5787 b35dd754-fafc-0310-a699-88a17e54d16e

src/java/org/jivesoftware/wildfire/gateway/SupportedFeature.java

+/**
+ * $Revision$
+ * $Date$
+ *
+ * Copyright (C) 2006 Jive Software. All rights reserved.
+ *
+ * This software is published under the terms of the GNU Public License (GPL),
+ * a copy of which is included in this distribution.
+ */
+
+package org.jivesoftware.wildfire.gateway;
+
+/**
+ * An enumeration for supported features.
+ *
+ * This represents features that the client supports that we have detected and
+ * can make use of.
+ *
+ * @author Daniel Henninger
+ */
+public enum SupportedFeature {
+
+    /**
+     * Chat States (XEP-0085)
+     */
+    chatstates
+
+}

src/java/org/jivesoftware/wildfire/gateway/TransportSession.java

@@ -17,6 +17,7 @@ import org.jivesoftware.wildfire.roster.Roster;
 import org.jivesoftware.util.Log;
 
 import java.util.TreeMap;
+import java.util.ArrayList;
 
 /**
  * Interface for a transport session.
@@ -90,6 +91,11 @@ public abstract class TransportSession implements Runnable {
      */
     public TransportLoginStatus loginStatus = TransportLoginStatus.LOGGED_OUT;
 
+    /**
+     * Supported features.
+     */
+    public ArrayList<SupportedFeature> supportedFeatures = new ArrayList<SupportedFeature>();
+
     /**
      * Associates a resource with the session, and tracks it's priority.
      *
@@ -250,6 +256,43 @@ public abstract class TransportSession implements Runnable {
         return (resources.containsValue(resource));
     }
 
+    /**
+     * Sets a feature that the client supports.
+     *
+     * @param feature Feature that the session supports.
+     */
+    public void setSupportedFeature(SupportedFeature feature) {
+        if (!supportedFeatures.contains(feature)) {
+            supportedFeatures.add(feature);
+        }
+    }
+
+    /**
+     * Removes a feature that the client supports.
+     *
+     * @param feature Feature to be removed from the supported list.
+     */
+    public void removeSupportedFeature(SupportedFeature feature) {
+        supportedFeatures.remove(feature);
+    }
+
+    /**
+     * Clears all of the supported features recorded.
+     */
+    public void clearSupportedFeatures() {
+        supportedFeatures.clear();
+    }
+
+    /**
+     * Retrieves whether this session supports a specific feature.
+     *
+     * @param feature Feature to check for support of.
+     * @return True or false if the session supports the specified feature.
+     */
+    public Boolean isFeatureSupported(SupportedFeature feature) {
+        return supportedFeatures.contains(feature);
+    }
+
     /**
      * Updates the login status.
      *

src/java/org/jivesoftware/wildfire/gateway/TransportSessionManager.java

@@ -53,6 +53,11 @@ public class TransportSessionManager {
      */
     BaseTransport transport;
 
+    /**
+     * Group of all threads related to this session.
+     */
+    public ThreadGroup threadGroup;
+
     /**
      * Creates the transport session manager instance and initializes.
      *
@@ -72,6 +77,34 @@ public class TransportSessionManager {
         timer.cancel();
     }
 
+    /**
+     * Initialize the thread group manager.
+     *
+     * @param jid JID for naming purposes of the thread group manager.
+     */
+    public void startThreadManager(JID jid) {
+        threadGroup = new ThreadGroup(jid.toString());
+    }
+
+    /**
+     * Destroys the thread group manager.
+     */
+    public void stopThreadManager() {
+        threadGroup.destroy();
+    }
+
+    /**
+     * Starts a thread associated with a session.
+     *
+     * @param session Session the thread will be associated with.
+     * @return A thread wrapped around the session.
+     */
+    public Thread startThread(TransportSession session) {
+        Thread sessionThread = new Thread(threadGroup, session);
+        sessionThread.start();
+        return sessionThread;
+    }
+
     /**
      * Retrieve the session instance for a given JID.
      *

src/java/org/jivesoftware/wildfire/gateway/protocols/irc/IRCTransport.java

@@ -81,8 +81,7 @@ public class IRCTransport extends BaseTransport {
     public TransportSession registrationLoggedIn(Registration registration, JID jid, PresenceType presenceType, String verboseStatus, Integer priority) {
         Log.debug("Logging in to IRC gateway.");
         TransportSession session = new IRCSession(registration, jid, this, priority);
-        Thread sessionThread = new Thread(session);
-        sessionThread.start();
+        this.getSessionManager().startThread(session);
         ((IRCSession)session).logIn(presenceType, verboseStatus);
         return session;
     }

src/java/org/jivesoftware/wildfire/gateway/protocols/msn/MSNTransport.java

@@ -83,8 +83,7 @@ public class MSNTransport extends BaseTransport {
     public TransportSession registrationLoggedIn(Registration registration, JID jid, PresenceType presenceType, String verboseStatus, Integer priority) {
         Log.debug("Logging in to MSN gateway.");
         TransportSession session = new MSNSession(registration, jid, this, priority);
-        Thread sessionThread = new Thread(session);
-        sessionThread.start();
+        this.getSessionManager().startThread(session);
         ((MSNSession)session).logIn(presenceType, verboseStatus);
         return session;
     }

src/java/org/jivesoftware/wildfire/gateway/protocols/oscar/OSCARTransport.java

@@ -84,8 +84,7 @@ public class OSCARTransport extends BaseTransport {
      */
     public TransportSession registrationLoggedIn(Registration registration, JID jid, PresenceType presenceType, String verboseStatus, Integer priority) {
         TransportSession session = new OSCARSession(registration, jid, this, priority);
-        Thread sessionThread = new Thread(session);
-        sessionThread.start();
+        this.getSessionManager().startThread(session);
         ((OSCARSession)session).logIn(presenceType, verboseStatus);
         return session;
     }

src/java/org/jivesoftware/wildfire/gateway/protocols/yahoo/YahooTransport.java

@@ -83,8 +83,7 @@ public class YahooTransport extends BaseTransport {
     public TransportSession registrationLoggedIn(Registration registration, JID jid, PresenceType presenceType, String verboseStatus, Integer priority) {
         Log.debug("Logging in to Yahoo gateway.");
         TransportSession session = new YahooSession(registration, jid, this, priority);
-        Thread sessionThread = new Thread(session);
-        sessionThread.start();
+        this.getSessionManager().startThread(session);
         ((YahooSession)session).logIn(presenceType, verboseStatus);
         return session;
     }