Adds OperationSetTelephonyConferencing among the supported OperationSets of the SIP protocol providers because the UI for the conferencing is being created.

src/net/java/sip/communicator/impl/protocol/sip/OperationSetTelephonyConferencingSipImpl.java

@@ -0,0 +1,52 @@
+/*
+ * SIP Communicator, the OpenSource Java VoIP and Instant Messaging client.
+ *
+ * Distributable under LGPL license.
+ * See terms of license at gnu.org.
+ */
+package net.java.sip.communicator.impl.protocol.sip;
+
+import net.java.sip.communicator.service.protocol.*;
+
+/**
+ * @author Lubomir Marinov
+ */
+public class OperationSetTelephonyConferencingSipImpl
+    implements OperationSetTelephonyConferencing
+{
+
+    /**
+     * The SIP <code>ProtocolProviderService</code> implementation which created
+     * this instance and for which telephony conferencing services are being
+     * provided by this instance.
+     */
+    private final ProtocolProviderServiceSipImpl parentProvider;
+
+    /**
+     * Initializes a new <code>OperationSetTelephonyConferencingSipImpl</code>
+     * instance which is to provide telephony conferencing services for a
+     * specific SIP <code>ProtocolProviderService</code> implementation.
+     * 
+     * @param parentProvider
+     *            the SIP <code>ProtocolProviderService</code> which has
+     *            requested the creation of the new instance and for which the
+     *            new instance is to provide telephony conferencing services
+     */
+    public OperationSetTelephonyConferencingSipImpl(
+        ProtocolProviderServiceSipImpl parentProvider)
+    {
+        this.parentProvider = parentProvider;
+    }
+
+    public Call createConfCall(String[] callees)
+        throws OperationNotSupportedException
+    {
+        throw new OperationNotSupportedException();
+    }
+
+    public CallPeer inviteCalleeToCall(String uri, Call existingCall)
+        throws OperationNotSupportedException
+    {
+        throw new OperationNotSupportedException();
+    }
+}

src/net/java/sip/communicator/impl/protocol/sip/ProtocolProviderServiceSipImpl.java

@@ -484,9 +484,13 @@ protected void initialize(String    sipAddress,
                 new OperationSetVideoTelephonySipImpl(opSetBasicTelephonySipImpl));
 
             // init DTMF (from JM Heitz)
-            OperationSetDTMF opSetDTMF = new OperationSetDTMFSipImpl(this);
-            this.supportedOperationSets.put(
-                OperationSetDTMF.class.getName(), opSetDTMF);
+            supportedOperationSets.put(
+                OperationSetDTMF.class.getName(),
+                new OperationSetDTMFSipImpl(this));
+
+            supportedOperationSets.put(
+                OperationSetTelephonyConferencing.class.getName(),
+                new OperationSetTelephonyConferencingSipImpl(this));
 
             //initialize our OPTIONS handler
             new ClientCapabilities(this);
@@ -703,8 +707,6 @@ public void processRequest(RequestEvent requestEvent)
                 // send a 489 / Bad Event response
                 ServerTransaction serverTransaction = requestEvent
                     .getServerTransaction();
-                SipProvider jainSipProvider = (SipProvider)
-                    requestEvent.getSource();
 
                 if (serverTransaction == null)
                 {

src/net/java/sip/communicator/service/protocol/OperationNotSupportedException.java

@@ -9,20 +9,33 @@
 /**
  * The OperationNotSupportedException is used by telephony providers as an
  * indication that a requested operation is not supported or implemented.
- *
+ * 
  * @author Emil Ivov
+ * @author Lubomir Marinov
  */
 public class OperationNotSupportedException
     extends Exception
 {
     private static final long serialVersionUID = 0L;
 
+    /**
+     * Initializes a new <code>OperationNotSupportedException</code> instance
+     * which does not give a human-readable explanation why the operation is
+     * not supported.
+     */
+    public OperationNotSupportedException()
+    {
+        this(null);
+    }
+
     /**
      * Creates an OperationNotSupportedException instance with the specified
      * reason phrase.
-     * @param message a detailed message explaining any particular details as
-     * to why is not the specified operation supported or null if no particular
-     * details exist.
+     * 
+     * @param message
+     *            a detailed message explaining any particular details as to why
+     *            is not the specified operation supported or null if no
+     *            particular details exist.
      */
     public OperationNotSupportedException(String message)
     {