Fixes a NumberFormatException in the parsing of Jingle ICE-UDP transport candidate coundations. Reported by Philipp Hancke.

3 files changed, 800 insertions, 803 deletions

diff --git a/src/net/java/sip/communicator/impl/protocol/jabber/IceUdpTransportManager.java b/src/net/java/sip/communicator/impl/protocol/jabber/IceUdpTransportManager.java
index 02fa656..b4375d0 100644
--- a/src/net/java/sip/communicator/impl/protocol/jabber/IceUdpTransportManager.java
+++ b/src/net/java/sip/communicator/impl/protocol/jabber/IceUdpTransportManager.java
@@ -694,10 +694,7 @@ public class IceUdpTransportManager
     {

         CandidatePacketExtension packet = new CandidatePacketExtension();

 

-        //TODO: XMPP expects int values as foundations. Luckily that's exactly

-        //what ice4j is using under the hood at this time. still, we'd need to

-        //make sure that doesn't change ... possibly by setting a property there

-        packet.setFoundation(Integer.parseInt( candidate.getFoundation()));

+        packet.setFoundation(candidate.getFoundation());

 

         Component component = candidate.getParentComponent();

 

@@ -918,7 +915,7 @@ public class IceUdpTransportManager
                                     component,

                                     org.ice4j.ice.CandidateType.parse(

                                             candidate.getType().toString()),

-                                    Integer.toString(candidate.getFoundation()),

+                                    candidate.getFoundation(),

                                     candidate.getPriority(),

                                     relatedCandidate));

                 }

@@ -1023,7 +1020,7 @@ public class IceUdpTransportManager
                                 component,

                                 org.ice4j.ice.CandidateType.parse(

                                         candidate.getType().toString()),

-                                Integer.toString(candidate.getFoundation()),

+                                candidate.getFoundation(),

                                 candidate.getPriority(),

                                 relatedCandidate));

                 startConnectivityEstablishment = true;

diff --git a/src/net/java/sip/communicator/impl/protocol/jabber/extensions/gtalk/GTalkPacketFactory.java b/src/net/java/sip/communicator/impl/protocol/jabber/extensions/gtalk/GTalkPacketFactory.java
index 22b6424..d9d7aed 100644
--- a/src/net/java/sip/communicator/impl/protocol/jabber/extensions/gtalk/GTalkPacketFactory.java
+++ b/src/net/java/sip/communicator/impl/protocol/jabber/extensions/gtalk/GTalkPacketFactory.java
@@ -1,384 +1,384 @@
-/*
- * Jitsi, 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.jabber.extensions.gtalk;
-
-import java.util.*;
-
-import net.java.sip.communicator.impl.protocol.jabber.extensions.jingle.*;
-import net.java.sip.communicator.impl.protocol.jabber.extensions.jingle.CandidateType;
-
-import org.ice4j.*;
-import org.ice4j.ice.*;
-import org.jivesoftware.smack.packet.*;
-
-/**
- * A utility class containing methods for creating {@link SessionIQ}
- * instances for various situations.
- *
- * @author Sebastien Vincent
- */
-public class GTalkPacketFactory
-{
-    /**
-     * Creates a {@link SessionIQ} <tt>reject</tt> packet.
-     *
-     * @param from our JID
-     * @param to the destination JID
-     * @param sid the ID of the Google Talk session that this message will be
-     * rejecting.
-     *
-     * @return a {@link SessionIQ} <tt>reject</tt> packet.
-     */
-    public static SessionIQ createReject(String from, String to, String sid)
-    {
-        SessionIQ reject = new SessionIQ();
-
-        reject.setTo(to);
-        reject.setFrom(from);
-        reject.setType(IQ.Type.SET);
-
-        reject.setID(sid);
-        reject.setGTalkType(GTalkType.REJECT);
-
-        return reject;
-    }
-
-    /**
-     * Creates a {@link SessionIQ} <tt>terminate</tt> packet carrying a
-     * {@link Reason#BUSY} payload.
-     *
-     * @param from our JID
-     * @param to the destination JID
-     * @param sid the ID of the Google Talk session that this message will be
-     * terminating.
-     *
-     * @return a {@link SessionIQ} <tt>terminate</tt> packet.
-     */
-    public static SessionIQ createBusy(String from, String to, String sid)
-    {
-        return createSessionTerminate(from, to, sid, Reason.BUSY, null);
-    }
-
-    /**
-     * Creates a {@link SessionIQ} <tt>session-terminate</tt> packet that is
-     * meant to terminate an on-going, well established session (similar to a SIP
-     * BYE request).
-     *
-     * @param from our JID
-     * @param to the destination JID
-     * @param sid the ID of the Google Talk session that this message will be
-     * terminating.
-     *
-     * @return a {@link SessionIQ} <tt>terminate</tt> packet
-     * .
-     */
-    public static SessionIQ createBye(String from, String to, String sid)
-    {
-        return createSessionTerminate(from, to, sid, Reason.SUCCESS,
-                        "Nice talking to you!");
-    }
-
-    /**
-     * Creates a {@link SessionIQ} <tt>terminate</tt> packet that is
-     * meant to terminate a not yet established session.
-     *
-     * @param from our JID
-     * @param to the destination JID
-     * @param sid the ID of the Google Talk session that this message will be
-     * terminating.
-     *
-     * @return a {@link SessionIQ} <tt>terminate</tt> packet
-     * .
-     */
-    public static SessionIQ createCancel(String from, String to, String sid)
-    {
-        return createSessionTerminate(from, to, sid, Reason.CANCEL, "Oops!");
-    }
-
-    /**
-     * Creates a {@link SessionIQ} <tt>terminate</tt> packet with the
-     * specified src, dst, sid, and reason.
-     *
-     * @param from our JID
-     * @param to the destination JID
-     * @param sid the ID of the Google Talk session that this message will be
-     * terminating.
-     * @param reason the reason for the termination
-     * @param reasonText a human readable reason for the termination or
-     * <tt>null</tt> for none.
-     *
-     * @return the newly constructed {@link SessionIQ} <tt>terminate</tt>
-     * packet.
-     * .
-     */
-    public static SessionIQ createSessionTerminate(String from,
-                                                  String to,
-                                                  String sid,
-                                                  Reason reason,
-                                                  String reasonText)
-    {
-        SessionIQ terminate = new SessionIQ();
-
-        terminate.setTo(to);
-        terminate.setFrom(from);
-        terminate.setType(IQ.Type.SET);
-
-        terminate.setID(sid);
-        terminate.setGTalkType(GTalkType.TERMINATE);
-
-        ReasonPacketExtension reasonPacketExt
-            = new ReasonPacketExtension(reason, reasonText, null);
-
-        terminate.setReason(reasonPacketExt);
-
-        return terminate;
-    }
-
-    /**
-     * Creates a {@link SessionIQ} <tt>accept</tt> packet with the
-     * specified <tt>from</tt>, <tt>to</tt>, <tt>sid</tt>, and <tt>content</tt>.
-     * Given our role in a conversation, we would assume that the <tt>from</tt>
-     * value should also be used for the value of the Google Talk <tt>responder</tt>.
-     *
-     * @param from our JID
-     * @param to the destination JID
-     * @param sid the ID of the Google Talk session that this message will be
-     * terminating.
-     * @param description description containing payload types list
-     * descriptions.
-     *
-     * @return the newly constructed {@link SessionIQ} <tt>accept</tt>
-     * packet.
-     * .
-     */
-    public static SessionIQ createSessionAccept(
-            String                           from,
-            String                           to,
-            String                           sid,
-            RtpDescriptionPacketExtension	 description)
-    {
-        SessionIQ sessionAccept = new SessionIQ();
-
-        sessionAccept.setTo(to);
-        sessionAccept.setFrom(from);
-        sessionAccept.setType(IQ.Type.SET);
-        sessionAccept.setInitiator(to);
-        sessionAccept.setID(sid);
-        sessionAccept.setGTalkType(GTalkType.ACCEPT);
-        sessionAccept.addExtension(description);
-
-        return sessionAccept;
-    }
-
-    /**
-     * Creates a new {@link SessionIQ} with the <tt>initiate</tt> type.
-     *
-     * @param from our JID
-     * @param to the destination JID
-     * @param sid the ID of the Google Talk session that this message will be
-     * terminating.
-     * @param description description containing payload types list.
-     *
-     * @return the newly constructed {@link SessionIQ} <tt>terminate</tt>
-     * packet.
-     */
-    public static SessionIQ createSessionInitiate(
-            String  	                     from,
-            String      	                 to,
-            String          	             sid,
-            RtpDescriptionPacketExtension	 description)
-    {
-        SessionIQ sessionInitiate = new SessionIQ();
-
-        sessionInitiate.setTo(to);
-        sessionInitiate.setFrom(from);
-        sessionInitiate.setInitiator(from);
-        sessionInitiate.setType(IQ.Type.SET);
-
-        sessionInitiate.setID(sid);
-        sessionInitiate.setGTalkType(GTalkType.INITIATE);
-        sessionInitiate.addExtension(description);
-
-        return sessionInitiate;
-    }
-
-    /**
-     * Creates a new {@link SessionIQ} with the <tt>candidates</tt> type.
-     *
-     * @param from our JID
-     * @param to the destination JID
-     * @param sid the ID of the Google Talk session.
-     * @param candidate a <tt>GTalkCandidatePacketExtension</tt>.
-     *
-     * @return the newly constructed {@link SessionIQ} <tt>terminate</tt>
-     * packet.
-     */
-    public static SessionIQ createSessionCandidates(
-            String  	                     from,
-            String      	                 to,
-            String          	             sid,
-            GTalkCandidatePacketExtension	 candidate)
-    {
-        SessionIQ sessionInitiate = new SessionIQ();
-
-        sessionInitiate.setTo(to);
-        sessionInitiate.setFrom(from);
-        sessionInitiate.setInitiator(from);
-        sessionInitiate.setType(IQ.Type.SET);
-
-        sessionInitiate.setID(sid);
-        sessionInitiate.setGTalkType(GTalkType.CANDIDATES);
-        sessionInitiate.addExtension(candidate);
-
-        return sessionInitiate;
-    }
-
-    /**
-     * Converts the ICE media <tt>stream</tt> and its local candidates into a
-     * list of Google Talk candidates.
-     *
-     * @param name of the stream
-     * @param stream the {@link IceMediaStream} that we'd like to describe in
-     * XML.
-     *
-     * @return the list of Google Talk candidates
-     */
-    public static List<GTalkCandidatePacketExtension> createCandidates(
-                                                        String name,
-                                                        IceMediaStream stream)
-    {
-        List<GTalkCandidatePacketExtension> exts = new
-            ArrayList<GTalkCandidatePacketExtension>();
-
-        for(Component component : stream.getComponents())
-        {
-            String mediaName = null;
-            if(name.equals("rtp"))
-            {
-                if(component.getComponentID() == 1)
-                {
-                    mediaName = name;
-                }
-                else
-                {
-                    mediaName = "rtcp";
-                    // Audio RTCP is never used in Google Talk and it is also
-                    // never transmitted by Gmail client
-                }
-            }
-            else if(name.equals("video_rtp"))
-            {
-                if(component.getComponentID() == 1)
-                {
-                    mediaName = name;
-                }
-                else
-                {
-                    mediaName = "video_rtcp";
-                }
-            }
-
-            List<LocalCandidate> candToRemove = new ArrayList<LocalCandidate>();
-            List<LocalCandidate> candidates = component.getLocalCandidates();
-
-            for(LocalCandidate candidate : component.getLocalCandidates())
-            {
-                if(candidate instanceof UPNPCandidate)
-                {
-                    LocalCandidate base = candidate.getBase();
-                    candToRemove.add(base);
-                }
-            }
-
-            for(Candidate<?> candidate : candToRemove)
-            {
-                candidates.remove(candidate);
-            }
-
-            for(Candidate<?> candidate : candidates)
-            {
-                GTalkCandidatePacketExtension e
-                    = createCandidate(candidate, mediaName);
-
-                if(e != null)
-                    exts.add(e);
-            }
-        }
-
-        return exts;
-    }
-
-    /**
-     * Creates a {@link GTalkCandidatePacketExtension} and initializes it so
-     * that it would describe the state of <tt>candidate</tt>
-     *
-     * @param candidate the ICE4J {@link Candidate} that we'd like to convert
-     * into an Google Talk packet extension.
-     * @param name name of the candidate extension
-     *
-     * @return a new {@link GTalkCandidatePacketExtension} corresponding to the
-     * state of the <tt>candidate</tt> candidate.
-     */
-    public static GTalkCandidatePacketExtension createCandidate(
-            Candidate<?> candidate, String name)
-    {
-        GTalkCandidatePacketExtension packet =
-            new GTalkCandidatePacketExtension();
-
-        Component component = candidate.getParentComponent();
-
-        packet.setName(name);
-        packet.setGeneration(
-                component.getParentStream().getParentAgent().getGeneration());
-
-        TransportAddress transportAddress = candidate.getTransportAddress();
-
-        // different username/password for each candidate ?
-        packet.setUsername(((LocalCandidate)candidate).getUfrag());
-        if(candidate instanceof GoogleRelayedCandidate)
-        {
-            packet.setPassword(
-                    ((GoogleRelayedCandidate)
-                     candidate).getPassword());
-        }
-        else
-        {
-            packet.setPassword("");
-        }
-        packet.setAddress(transportAddress.getHostAddress());
-        packet.setPort(transportAddress.getPort());
-        if(transportAddress.getPort() != 443)
-        {
-            packet.setProtocol(candidate.getTransport().toString());
-        }
-        else
-        {
-            packet.setProtocol("ssltcp");
-        }
-        packet.setNetwork(0);
-        packet.setFoundation(0);
-        packet.setComponent(component.getComponentID());
-
-        CandidateType candType = CandidateType.valueOf(
-                candidate.getType().toString());
-
-        if(candType == CandidateType.srflx)
-        {
-            candType = CandidateType.stun;
-        }
-        else if(candType == CandidateType.host)
-        {
-            candType = CandidateType.local;
-        }
-
-        packet.setType(candType);
-        double priority = candidate.getPriority();
-        packet.setPreference((priority / 1000));
-
-        return packet;
-    }
-}
+/*

+ * Jitsi, 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.jabber.extensions.gtalk;

+

+import java.util.*;

+

+import net.java.sip.communicator.impl.protocol.jabber.extensions.jingle.*;

+import net.java.sip.communicator.impl.protocol.jabber.extensions.jingle.CandidateType;

+

+import org.ice4j.*;

+import org.ice4j.ice.*;

+import org.jivesoftware.smack.packet.*;

+

+/**

+ * A utility class containing methods for creating {@link SessionIQ}

+ * instances for various situations.

+ *

+ * @author Sebastien Vincent

+ */

+public class GTalkPacketFactory

+{

+    /**

+     * Creates a {@link SessionIQ} <tt>reject</tt> packet.

+     *

+     * @param from our JID

+     * @param to the destination JID

+     * @param sid the ID of the Google Talk session that this message will be

+     * rejecting.

+     *

+     * @return a {@link SessionIQ} <tt>reject</tt> packet.

+     */

+    public static SessionIQ createReject(String from, String to, String sid)

+    {

+        SessionIQ reject = new SessionIQ();

+

+        reject.setTo(to);

+        reject.setFrom(from);

+        reject.setType(IQ.Type.SET);

+

+        reject.setID(sid);

+        reject.setGTalkType(GTalkType.REJECT);

+

+        return reject;

+    }

+

+    /**

+     * Creates a {@link SessionIQ} <tt>terminate</tt> packet carrying a

+     * {@link Reason#BUSY} payload.

+     *

+     * @param from our JID

+     * @param to the destination JID

+     * @param sid the ID of the Google Talk session that this message will be

+     * terminating.

+     *

+     * @return a {@link SessionIQ} <tt>terminate</tt> packet.

+     */

+    public static SessionIQ createBusy(String from, String to, String sid)

+    {

+        return createSessionTerminate(from, to, sid, Reason.BUSY, null);

+    }

+

+    /**

+     * Creates a {@link SessionIQ} <tt>session-terminate</tt> packet that is

+     * meant to terminate an on-going, well established session (similar to a SIP

+     * BYE request).

+     *

+     * @param from our JID

+     * @param to the destination JID

+     * @param sid the ID of the Google Talk session that this message will be

+     * terminating.

+     *

+     * @return a {@link SessionIQ} <tt>terminate</tt> packet

+     * .

+     */

+    public static SessionIQ createBye(String from, String to, String sid)

+    {

+        return createSessionTerminate(from, to, sid, Reason.SUCCESS,

+                        "Nice talking to you!");

+    }

+

+    /**

+     * Creates a {@link SessionIQ} <tt>terminate</tt> packet that is

+     * meant to terminate a not yet established session.

+     *

+     * @param from our JID

+     * @param to the destination JID

+     * @param sid the ID of the Google Talk session that this message will be

+     * terminating.

+     *

+     * @return a {@link SessionIQ} <tt>terminate</tt> packet

+     * .

+     */

+    public static SessionIQ createCancel(String from, String to, String sid)

+    {

+        return createSessionTerminate(from, to, sid, Reason.CANCEL, "Oops!");

+    }

+

+    /**

+     * Creates a {@link SessionIQ} <tt>terminate</tt> packet with the

+     * specified src, dst, sid, and reason.

+     *

+     * @param from our JID

+     * @param to the destination JID

+     * @param sid the ID of the Google Talk session that this message will be

+     * terminating.

+     * @param reason the reason for the termination

+     * @param reasonText a human readable reason for the termination or

+     * <tt>null</tt> for none.

+     *

+     * @return the newly constructed {@link SessionIQ} <tt>terminate</tt>

+     * packet.

+     * .

+     */

+    public static SessionIQ createSessionTerminate(String from,

+                                                  String to,

+                                                  String sid,

+                                                  Reason reason,

+                                                  String reasonText)

+    {

+        SessionIQ terminate = new SessionIQ();

+

+        terminate.setTo(to);

+        terminate.setFrom(from);

+        terminate.setType(IQ.Type.SET);

+

+        terminate.setID(sid);

+        terminate.setGTalkType(GTalkType.TERMINATE);

+

+        ReasonPacketExtension reasonPacketExt

+            = new ReasonPacketExtension(reason, reasonText, null);

+

+        terminate.setReason(reasonPacketExt);

+

+        return terminate;

+    }

+

+    /**

+     * Creates a {@link SessionIQ} <tt>accept</tt> packet with the

+     * specified <tt>from</tt>, <tt>to</tt>, <tt>sid</tt>, and <tt>content</tt>.

+     * Given our role in a conversation, we would assume that the <tt>from</tt>

+     * value should also be used for the value of the Google Talk <tt>responder</tt>.

+     *

+     * @param from our JID

+     * @param to the destination JID

+     * @param sid the ID of the Google Talk session that this message will be

+     * terminating.

+     * @param description description containing payload types list

+     * descriptions.

+     *

+     * @return the newly constructed {@link SessionIQ} <tt>accept</tt>

+     * packet.

+     * .

+     */

+    public static SessionIQ createSessionAccept(

+            String                           from,

+            String                           to,

+            String                           sid,

+            RtpDescriptionPacketExtension	 description)

+    {

+        SessionIQ sessionAccept = new SessionIQ();

+

+        sessionAccept.setTo(to);

+        sessionAccept.setFrom(from);

+        sessionAccept.setType(IQ.Type.SET);

+        sessionAccept.setInitiator(to);

+        sessionAccept.setID(sid);

+        sessionAccept.setGTalkType(GTalkType.ACCEPT);

+        sessionAccept.addExtension(description);

+

+        return sessionAccept;

+    }

+

+    /**

+     * Creates a new {@link SessionIQ} with the <tt>initiate</tt> type.

+     *

+     * @param from our JID

+     * @param to the destination JID

+     * @param sid the ID of the Google Talk session that this message will be

+     * terminating.

+     * @param description description containing payload types list.

+     *

+     * @return the newly constructed {@link SessionIQ} <tt>terminate</tt>

+     * packet.

+     */

+    public static SessionIQ createSessionInitiate(

+            String  	                     from,

+            String      	                 to,

+            String          	             sid,

+            RtpDescriptionPacketExtension	 description)

+    {

+        SessionIQ sessionInitiate = new SessionIQ();

+

+        sessionInitiate.setTo(to);

+        sessionInitiate.setFrom(from);

+        sessionInitiate.setInitiator(from);

+        sessionInitiate.setType(IQ.Type.SET);

+

+        sessionInitiate.setID(sid);

+        sessionInitiate.setGTalkType(GTalkType.INITIATE);

+        sessionInitiate.addExtension(description);

+

+        return sessionInitiate;

+    }

+

+    /**

+     * Creates a new {@link SessionIQ} with the <tt>candidates</tt> type.

+     *

+     * @param from our JID

+     * @param to the destination JID

+     * @param sid the ID of the Google Talk session.

+     * @param candidate a <tt>GTalkCandidatePacketExtension</tt>.

+     *

+     * @return the newly constructed {@link SessionIQ} <tt>terminate</tt>

+     * packet.

+     */

+    public static SessionIQ createSessionCandidates(

+            String  	                     from,

+            String      	                 to,

+            String          	             sid,

+            GTalkCandidatePacketExtension	 candidate)

+    {

+        SessionIQ sessionInitiate = new SessionIQ();

+

+        sessionInitiate.setTo(to);

+        sessionInitiate.setFrom(from);

+        sessionInitiate.setInitiator(from);

+        sessionInitiate.setType(IQ.Type.SET);

+

+        sessionInitiate.setID(sid);

+        sessionInitiate.setGTalkType(GTalkType.CANDIDATES);

+        sessionInitiate.addExtension(candidate);

+

+        return sessionInitiate;

+    }

+

+    /**

+     * Converts the ICE media <tt>stream</tt> and its local candidates into a

+     * list of Google Talk candidates.

+     *

+     * @param name of the stream

+     * @param stream the {@link IceMediaStream} that we'd like to describe in

+     * XML.

+     *

+     * @return the list of Google Talk candidates

+     */

+    public static List<GTalkCandidatePacketExtension> createCandidates(

+                                                        String name,

+                                                        IceMediaStream stream)

+    {

+        List<GTalkCandidatePacketExtension> exts = new

+            ArrayList<GTalkCandidatePacketExtension>();

+

+        for(Component component : stream.getComponents())

+        {

+            String mediaName = null;

+            if(name.equals("rtp"))

+            {

+                if(component.getComponentID() == 1)

+                {

+                    mediaName = name;

+                }

+                else

+                {

+                    mediaName = "rtcp";

+                    // Audio RTCP is never used in Google Talk and it is also

+                    // never transmitted by Gmail client

+                }

+            }

+            else if(name.equals("video_rtp"))

+            {

+                if(component.getComponentID() == 1)

+                {

+                    mediaName = name;

+                }

+                else

+                {

+                    mediaName = "video_rtcp";

+                }

+            }

+

+            List<LocalCandidate> candToRemove = new ArrayList<LocalCandidate>();

+            List<LocalCandidate> candidates = component.getLocalCandidates();

+

+            for(LocalCandidate candidate : component.getLocalCandidates())

+            {

+                if(candidate instanceof UPNPCandidate)

+                {

+                    LocalCandidate base = candidate.getBase();

+                    candToRemove.add(base);

+                }

+            }

+

+            for(Candidate<?> candidate : candToRemove)

+            {

+                candidates.remove(candidate);

+            }

+

+            for(Candidate<?> candidate : candidates)

+            {

+                GTalkCandidatePacketExtension e

+                    = createCandidate(candidate, mediaName);

+

+                if(e != null)

+                    exts.add(e);

+            }

+        }

+

+        return exts;

+    }

+

+    /**

+     * Creates a {@link GTalkCandidatePacketExtension} and initializes it so

+     * that it would describe the state of <tt>candidate</tt>

+     *

+     * @param candidate the ICE4J {@link Candidate} that we'd like to convert

+     * into an Google Talk packet extension.

+     * @param name name of the candidate extension

+     *

+     * @return a new {@link GTalkCandidatePacketExtension} corresponding to the

+     * state of the <tt>candidate</tt> candidate.

+     */

+    public static GTalkCandidatePacketExtension createCandidate(

+            Candidate<?> candidate, String name)

+    {

+        GTalkCandidatePacketExtension packet =

+            new GTalkCandidatePacketExtension();

+

+        Component component = candidate.getParentComponent();

+

+        packet.setName(name);

+        packet.setGeneration(

+                component.getParentStream().getParentAgent().getGeneration());

+

+        TransportAddress transportAddress = candidate.getTransportAddress();

+

+        // different username/password for each candidate ?

+        packet.setUsername(((LocalCandidate)candidate).getUfrag());

+        if(candidate instanceof GoogleRelayedCandidate)

+        {

+            packet.setPassword(

+                    ((GoogleRelayedCandidate)

+                     candidate).getPassword());

+        }

+        else

+        {

+            packet.setPassword("");

+        }

+        packet.setAddress(transportAddress.getHostAddress());

+        packet.setPort(transportAddress.getPort());

+        if(transportAddress.getPort() != 443)

+        {

+            packet.setProtocol(candidate.getTransport().toString());

+        }

+        else

+        {

+            packet.setProtocol("ssltcp");

+        }

+        packet.setNetwork(0);

+        packet.setFoundation("0");

+        packet.setComponent(component.getComponentID());

+

+        CandidateType candType = CandidateType.valueOf(

+                candidate.getType().toString());

+

+        if(candType == CandidateType.srflx)

+        {

+            candType = CandidateType.stun;

+        }

+        else if(candType == CandidateType.host)

+        {

+            candType = CandidateType.local;

+        }

+

+        packet.setType(candType);

+        double priority = candidate.getPriority();

+        packet.setPreference((priority / 1000));

+

+        return packet;

+    }

+}

diff --git a/src/net/java/sip/communicator/impl/protocol/jabber/extensions/jingle/CandidatePacketExtension.java b/src/net/java/sip/communicator/impl/protocol/jabber/extensions/jingle/CandidatePacketExtension.java
index 594fd54..0bb8f08 100644
--- a/src/net/java/sip/communicator/impl/protocol/jabber/extensions/jingle/CandidatePacketExtension.java
+++ b/src/net/java/sip/communicator/impl/protocol/jabber/extensions/jingle/CandidatePacketExtension.java
@@ -1,413 +1,413 @@
-/*
- * Jitsi, 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.jabber.extensions.jingle;
-
-import net.java.sip.communicator.impl.protocol.jabber.extensions.*;
-
-/**
- * @author Emil Ivov
- */
-public class CandidatePacketExtension extends AbstractPacketExtension
-    implements Comparable<CandidatePacketExtension>
-{
-    /**
-     * The name of the "candidate" element.
-     */
-    public static final String ELEMENT_NAME = "candidate";
-
-    /**
-     * The name of the "component" element.
-     */
-    public static final String COMPONENT_ATTR_NAME = "component";
-
-    /**
-     * The "component" ID for RTP components.
-     */
-    public static final int RTP_COMPONENT_ID = 1;
-
-    /**
-     * The "component" ID for RTCP components.
-     */
-    public static final int RTCP_COMPONENT_ID = 2;
-
-    /**
-     * The name of the "foundation" element.
-     */
-    public static final String FOUNDATION_ATTR_NAME = "foundation";
-
-    /**
-     * The name of the "generation" element.
-     */
-    public static final String GENERATION_ATTR_NAME = "generation";
-
-    /**
-     * The name of the "id" element.
-     */
-    public static final String ID_ATTR_NAME = "id";
-
-    /**
-     * The name of the "ip" element.
-     */
-    public static final String IP_ATTR_NAME = "ip";
-
-    /**
-     * The name of the "network" element.
-     */
-    public static final String NETWORK_ATTR_NAME = "network";
-
-    /**
-     * The name of the "port" element.
-     */
-    public static final String PORT_ATTR_NAME = "port";
-
-    /**
-     * The name of the "priority" element.
-     */
-    public static final String PRIORITY_ATTR_NAME = "priority";
-
-    /**
-     * The name of the "protocol" element.
-     */
-    public static final String PROTOCOL_ATTR_NAME = "protocol";
-
-    /**
-     * The name of the "rel-addr" element.
-     */
-    public static final String REL_ADDR_ATTR_NAME = "rel-addr";
-
-    /**
-     * The name of the "rel-port" element.
-     */
-    public static final String REL_PORT_ATTR_NAME = "rel-port";
-
-    /**
-     * The name of the "type" element.
-     */
-    public static final String TYPE_ATTR_NAME = "type";
-
-    /**
-     * Creates a new {@link CandidatePacketExtension}
-     */
-    public CandidatePacketExtension()
-    {
-        super(null, ELEMENT_NAME);
-    }
-
-    /**
-     * Creates a new {@link CandidatePacketExtension} with the specified
-     * <tt>elementName</tt> so that this class would be usable as a
-     * <tt>RemoteCandidatePacketExtension</tt> parent.
-     *
-     * @param elementName the element name that this instance should be using.
-     */
-    protected CandidatePacketExtension(String elementName)
-    {
-        super(null, elementName);
-    }
-
-    /**
-     * Sets a component ID as defined in ICE-CORE.
-     *
-     * @param component a component ID as defined in ICE-CORE.
-     */
-    public void setComponent(int component)
-    {
-        super.setAttribute(COMPONENT_ATTR_NAME, component);
-    }
-
-    /**
-     * Returns a component ID as defined in ICE-CORE.
-     *
-     * @return a component ID as defined in ICE-CORE.
-     */
-    public int getComponent()
-    {
-        return super.getAttributeAsInt(COMPONENT_ATTR_NAME);
-    }
-
-    /**
-     * Sets the candidate foundation as defined in ICE-CORE.
-     *
-     * @param foundation the candidate foundation as defined in ICE-CORE.
-     */
-    public void setFoundation(int foundation)
-    {
-        super.setAttribute(FOUNDATION_ATTR_NAME, foundation);
-    }
-
-    /**
-     * Returns the candidate foundation as defined in ICE-CORE.
-     *
-     * @return the candidate foundation as defined in ICE-CORE.
-     */
-    public int getFoundation()
-    {
-        return super.getAttributeAsInt(FOUNDATION_ATTR_NAME);
-    }
-
-    /**
-     * Sets this canditate's generation index. A generation is an index,
-     * starting at 0, that enables the parties to keep track of updates to the
-     * candidate throughout the life of the session. For details, see the ICE
-     * Restarts section of XEP-0176.
-     *
-     * @param generation this canditate's generation index.
-     */
-    public void setGeneration(int generation)
-    {
-        super.setAttribute(GENERATION_ATTR_NAME, generation);
-    }
-
-    /**
-     * Returns this canditate's generation. A generation is an index, starting at
-     * 0, that enables the parties to keep track of updates to the candidate
-     * throughout the life of the session. For details, see the ICE Restarts
-     * section of XEP-0176.
-     *
-     * @return this canditate's generation index.
-     */
-    public int getGeneration()
-    {
-        return super.getAttributeAsInt(GENERATION_ATTR_NAME);
-    }
-
-    /**
-     * Sets this candidates's unique identifier <tt>String</tt>.
-     *
-     * @param id this candidates's unique identifier <tt>String</tt>
-     */
-    public void setID(String id)
-    {
-        super.setAttribute(ID_ATTR_NAME, id);
-    }
-
-    /**
-     * Returns this candidates's unique identifier <tt>String</tt>.
-     *
-     * @return this candidates's unique identifier <tt>String</tt>
-     */
-    public String getID()
-    {
-        return super.getAttributeAsString(ID_ATTR_NAME);
-    }
-
-    /**
-     * Sets this candidate's Internet Protocol (IP) address; this can be either
-     * an IPv4 address or an IPv6 address.
-     *
-     * @param ip this candidate's IPv4 or IPv6 address.
-     */
-    public void setIP(String ip)
-    {
-        super.setAttribute(IP_ATTR_NAME, ip);
-    }
-
-    /**
-     * Returns this candidate's Internet Protocol (IP) address; this can be
-     * either an IPv4 address or an IPv6 address.
-     *
-     * @return this candidate's IPv4 or IPv6 address.
-     */
-    public String getIP()
-    {
-        return super.getAttributeAsString(IP_ATTR_NAME);
-    }
-
-    /**
-     * The network index indicating the interface that the candidate belongs to.
-     * The network ID is used for diagnostic purposes only in cases where the
-     * calling hardware has more than one Network Interface Card.
-     *
-     * @param network the network index indicating the interface that the
-     * candidate belongs to.
-     */
-    public void setNetwork(int network)
-    {
-        super.setAttribute(NETWORK_ATTR_NAME, network);
-    }
-
-    /**
-     * Returns the network index indicating the interface that the candidate
-     * belongs to. The network ID is used for diagnostic purposes only in cases
-     * where the calling hardware has more than one Network Interface Card.
-     *
-     * @return the network index indicating the interface that the candidate
-     * belongs to.
-     */
-    public int getNetwork()
-    {
-        return super.getAttributeAsInt(NETWORK_ATTR_NAME);
-    }
-
-    /**
-     * Sets this candidate's port number.
-     *
-     * @param port this candidate's port number.
-     */
-    public void setPort(int port)
-    {
-        super.setAttribute(PORT_ATTR_NAME, port);
-    }
-
-    /**
-     * Returns this candidate's port number.
-     *
-     * @return this candidate's port number.
-     */
-    public int getPort()
-    {
-        return super.getAttributeAsInt(PORT_ATTR_NAME);
-    }
-
-    /**
-     * This candidate's priority as defined in ICE's RFC 5245
-     *
-     * @param priority this candidate's priority
-     */
-    public void setPriority(long priority)
-    {
-        super.setAttribute(PRIORITY_ATTR_NAME, priority);
-    }
-
-    /**
-     * This candidate's priority as defined in ICE's RFC 5245
-     *
-     * @return this candidate's priority
-     */
-    public int getPriority()
-    {
-        return super.getAttributeAsInt(PRIORITY_ATTR_NAME);
-    }
-
-    /**
-     * Sets this candidate's transport protocol.
-     *
-     * @param protocol this candidate's transport protocol.
-     */
-    public void setProtocol(String protocol)
-    {
-        super.setAttribute(PROTOCOL_ATTR_NAME, protocol);
-    }
-
-    /**
-     * Sets this candidate's transport protocol.
-     *
-     * @return this candidate's transport protocol.
-     */
-    public String getProtocol()
-    {
-        return super.getAttributeAsString(PROTOCOL_ATTR_NAME);
-    }
-
-    /**
-     * Sets this candidate's related address as described by ICE's RFC 5245.
-     *
-     * @param relAddr this candidate's related address as described by ICE's
-     * RFC 5245.
-     */
-    public void setRelAddr(String relAddr)
-    {
-        super.setAttribute(REL_ADDR_ATTR_NAME, relAddr);
-    }
-
-    /**
-     * Returns this candidate's related address as described by ICE's RFC 5245.
-     *
-     * @return this candidate's related address as described by ICE's RFC 5245.
-     */
-    public String getRelAddr()
-    {
-        return super.getAttributeAsString(REL_ADDR_ATTR_NAME);
-    }
-
-    /**
-     * Sets this candidate's related port as described by ICE's RFC 5245.
-     *
-     * @param relPort this candidate's related port as described by ICE's
-     * RFC 5245.
-     */
-    public void setRelPort(int relPort)
-    {
-        super.setAttribute(REL_PORT_ATTR_NAME, relPort);
-    }
-
-    /**
-     * Returns this candidate's related port as described by ICE's RFC 5245.
-     *
-     * @return this candidate's related port as described by ICE's RFC 5245.
-     */
-    public int getRelPort()
-    {
-        return super.getAttributeAsInt(REL_PORT_ATTR_NAME);
-    }
-
-    /**
-     * Sets a Candidate Type as defined in ICE-CORE. The allowable values are
-     * "host" for host candidates, "prflx" for peer reflexive candidates,
-     * "relay" for relayed candidates, and "srflx" for server reflexive
-     * candidates. All allowable values are enumerated in the {@link
-     * CandidateType} enum.
-     *
-     * @param type this candidates' type as per ICE's RFC 5245.
-     */
-    public void setType(CandidateType type)
-    {
-        super.setAttribute(TYPE_ATTR_NAME, type);
-    }
-
-    /**
-     * Returns a Candidate Type as defined in ICE-CORE. The allowable values are
-     * "host" for host candidates, "prflx" for peer reflexive candidates,
-     * "relay" for relayed candidates, and "srflx" for server reflexive
-     * candidates. All allowable values are enumerated in the {@link
-     * CandidateType} enum.
-     *
-     * @return this candidates' type as per ICE's RFC 5245.
-     */
-    public CandidateType getType()
-    {
-        return CandidateType.valueOf(getAttributeAsString(TYPE_ATTR_NAME));
-    }
-
-    /**
-     * Compares this instance with another CandidatePacketExtension by
-     * preference of type: host < local < prflx < srflx < stun < relay.
-     *
-     * @return 0 if the type are equal. -1 if this instance type is preferred.
-     * Otherwise 1.
-     */
-    public int compareTo(CandidatePacketExtension candidatePacketExtension)
-    {
-        // If the types are differents.
-        if(this.getType() != candidatePacketExtension.getType())
-        {
-            CandidateType[] types = {
-                CandidateType.host,
-                CandidateType.local,
-                CandidateType.prflx,
-                CandidateType.srflx,
-                CandidateType.stun,
-                CandidateType.relay
-            };
-            for(int i = 0; i < types.length; ++i)
-            {
-                // this object is preferred.
-                if(types[i] == this.getType())
-                {
-                    return -1;
-                }
-                // the candidatePacketExtension is preferred.
-                else if(types[i] == candidatePacketExtension.getType())
-                {
-                    return 1;
-                }
-            }
-        }
-        // If the types are equal.
-        return 0;
-    }
-}
+/*

+ * Jitsi, 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.jabber.extensions.jingle;

+

+import net.java.sip.communicator.impl.protocol.jabber.extensions.*;

+

+/**

+ * @author Emil Ivov

+ */

+public class CandidatePacketExtension extends AbstractPacketExtension

+    implements Comparable<CandidatePacketExtension>

+{

+    /**

+     * The name of the "candidate" element.

+     */

+    public static final String ELEMENT_NAME = "candidate";

+

+    /**

+     * The name of the "component" element.

+     */

+    public static final String COMPONENT_ATTR_NAME = "component";

+

+    /**

+     * The "component" ID for RTP components.

+     */

+    public static final int RTP_COMPONENT_ID = 1;

+

+    /**

+     * The "component" ID for RTCP components.

+     */

+    public static final int RTCP_COMPONENT_ID = 2;

+

+    /**

+     * The name of the "foundation" element.

+     */

+    public static final String FOUNDATION_ATTR_NAME = "foundation";

+

+    /**

+     * The name of the "generation" element.

+     */

+    public static final String GENERATION_ATTR_NAME = "generation";

+

+    /**

+     * The name of the "id" element.

+     */

+    public static final String ID_ATTR_NAME = "id";

+

+    /**

+     * The name of the "ip" element.

+     */

+    public static final String IP_ATTR_NAME = "ip";

+

+    /**

+     * The name of the "network" element.

+     */

+    public static final String NETWORK_ATTR_NAME = "network";

+

+    /**

+     * The name of the "port" element.

+     */

+    public static final String PORT_ATTR_NAME = "port";

+

+    /**

+     * The name of the "priority" element.

+     */

+    public static final String PRIORITY_ATTR_NAME = "priority";

+

+    /**

+     * The name of the "protocol" element.

+     */

+    public static final String PROTOCOL_ATTR_NAME = "protocol";

+

+    /**

+     * The name of the "rel-addr" element.

+     */

+    public static final String REL_ADDR_ATTR_NAME = "rel-addr";

+

+    /**

+     * The name of the "rel-port" element.

+     */

+    public static final String REL_PORT_ATTR_NAME = "rel-port";

+

+    /**

+     * The name of the "type" element.

+     */

+    public static final String TYPE_ATTR_NAME = "type";

+

+    /**

+     * Creates a new {@link CandidatePacketExtension}

+     */

+    public CandidatePacketExtension()

+    {

+        super(null, ELEMENT_NAME);

+    }

+

+    /**

+     * Creates a new {@link CandidatePacketExtension} with the specified

+     * <tt>elementName</tt> so that this class would be usable as a

+     * <tt>RemoteCandidatePacketExtension</tt> parent.

+     *

+     * @param elementName the element name that this instance should be using.

+     */

+    protected CandidatePacketExtension(String elementName)

+    {

+        super(null, elementName);

+    }

+

+    /**

+     * Sets a component ID as defined in ICE-CORE.

+     *

+     * @param component a component ID as defined in ICE-CORE.

+     */

+    public void setComponent(int component)

+    {

+        super.setAttribute(COMPONENT_ATTR_NAME, component);

+    }

+

+    /**

+     * Returns a component ID as defined in ICE-CORE.

+     *

+     * @return a component ID as defined in ICE-CORE.

+     */

+    public int getComponent()

+    {

+        return super.getAttributeAsInt(COMPONENT_ATTR_NAME);

+    }

+

+    /**

+     * Sets the candidate foundation as defined in ICE-CORE.

+     *

+     * @param foundation the candidate foundation as defined in ICE-CORE.

+     */

+    public void setFoundation(String foundation)

+    {

+        super.setAttribute(FOUNDATION_ATTR_NAME, foundation);

+    }

+

+    /**

+     * Returns the candidate foundation as defined in ICE-CORE.

+     *

+     * @return the candidate foundation as defined in ICE-CORE.

+     */

+    public String getFoundation()

+    {

+        return super.getAttributeAsString(FOUNDATION_ATTR_NAME);

+    }

+

+    /**

+     * Sets this canditate's generation index. A generation is an index,

+     * starting at 0, that enables the parties to keep track of updates to the

+     * candidate throughout the life of the session. For details, see the ICE

+     * Restarts section of XEP-0176.

+     *

+     * @param generation this canditate's generation index.

+     */

+    public void setGeneration(int generation)

+    {

+        super.setAttribute(GENERATION_ATTR_NAME, generation);

+    }

+

+    /**

+     * Returns this canditate's generation. A generation is an index, starting at

+     * 0, that enables the parties to keep track of updates to the candidate

+     * throughout the life of the session. For details, see the ICE Restarts

+     * section of XEP-0176.

+     *

+     * @return this canditate's generation index.

+     */

+    public int getGeneration()

+    {

+        return super.getAttributeAsInt(GENERATION_ATTR_NAME);

+    }

+

+    /**

+     * Sets this candidates's unique identifier <tt>String</tt>.

+     *

+     * @param id this candidates's unique identifier <tt>String</tt>

+     */

+    public void setID(String id)

+    {

+        super.setAttribute(ID_ATTR_NAME, id);

+    }

+

+    /**

+     * Returns this candidates's unique identifier <tt>String</tt>.

+     *

+     * @return this candidates's unique identifier <tt>String</tt>

+     */

+    public String getID()

+    {

+        return super.getAttributeAsString(ID_ATTR_NAME);

+    }

+

+    /**

+     * Sets this candidate's Internet Protocol (IP) address; this can be either

+     * an IPv4 address or an IPv6 address.

+     *

+     * @param ip this candidate's IPv4 or IPv6 address.

+     */

+    public void setIP(String ip)

+    {

+        super.setAttribute(IP_ATTR_NAME, ip);

+    }

+

+    /**

+     * Returns this candidate's Internet Protocol (IP) address; this can be

+     * either an IPv4 address or an IPv6 address.

+     *

+     * @return this candidate's IPv4 or IPv6 address.

+     */

+    public String getIP()

+    {

+        return super.getAttributeAsString(IP_ATTR_NAME);

+    }

+

+    /**

+     * The network index indicating the interface that the candidate belongs to.

+     * The network ID is used for diagnostic purposes only in cases where the

+     * calling hardware has more than one Network Interface Card.

+     *

+     * @param network the network index indicating the interface that the

+     * candidate belongs to.

+     */

+    public void setNetwork(int network)

+    {

+        super.setAttribute(NETWORK_ATTR_NAME, network);

+    }

+

+    /**

+     * Returns the network index indicating the interface that the candidate

+     * belongs to. The network ID is used for diagnostic purposes only in cases

+     * where the calling hardware has more than one Network Interface Card.

+     *

+     * @return the network index indicating the interface that the candidate

+     * belongs to.

+     */

+    public int getNetwork()

+    {

+        return super.getAttributeAsInt(NETWORK_ATTR_NAME);

+    }

+

+    /**

+     * Sets this candidate's port number.

+     *

+     * @param port this candidate's port number.

+     */

+    public void setPort(int port)

+    {

+        super.setAttribute(PORT_ATTR_NAME, port);

+    }

+

+    /**

+     * Returns this candidate's port number.

+     *

+     * @return this candidate's port number.

+     */

+    public int getPort()

+    {

+        return super.getAttributeAsInt(PORT_ATTR_NAME);

+    }

+

+    /**

+     * This candidate's priority as defined in ICE's RFC 5245

+     *

+     * @param priority this candidate's priority

+     */

+    public void setPriority(long priority)

+    {

+        super.setAttribute(PRIORITY_ATTR_NAME, priority);

+    }

+

+    /**

+     * This candidate's priority as defined in ICE's RFC 5245

+     *

+     * @return this candidate's priority

+     */

+    public int getPriority()

+    {

+        return super.getAttributeAsInt(PRIORITY_ATTR_NAME);

+    }

+

+    /**

+     * Sets this candidate's transport protocol.

+     *

+     * @param protocol this candidate's transport protocol.

+     */

+    public void setProtocol(String protocol)

+    {

+        super.setAttribute(PROTOCOL_ATTR_NAME, protocol);

+    }

+

+    /**

+     * Sets this candidate's transport protocol.

+     *

+     * @return this candidate's transport protocol.

+     */

+    public String getProtocol()

+    {

+        return super.getAttributeAsString(PROTOCOL_ATTR_NAME);

+    }

+

+    /**

+     * Sets this candidate's related address as described by ICE's RFC 5245.

+     *

+     * @param relAddr this candidate's related address as described by ICE's

+     * RFC 5245.

+     */

+    public void setRelAddr(String relAddr)

+    {

+        super.setAttribute(REL_ADDR_ATTR_NAME, relAddr);

+    }

+

+    /**

+     * Returns this candidate's related address as described by ICE's RFC 5245.

+     *

+     * @return this candidate's related address as described by ICE's RFC 5245.

+     */

+    public String getRelAddr()

+    {

+        return super.getAttributeAsString(REL_ADDR_ATTR_NAME);

+    }

+

+    /**

+     * Sets this candidate's related port as described by ICE's RFC 5245.

+     *

+     * @param relPort this candidate's related port as described by ICE's

+     * RFC 5245.

+     */

+    public void setRelPort(int relPort)

+    {

+        super.setAttribute(REL_PORT_ATTR_NAME, relPort);

+    }

+

+    /**

+     * Returns this candidate's related port as described by ICE's RFC 5245.

+     *

+     * @return this candidate's related port as described by ICE's RFC 5245.

+     */

+    public int getRelPort()

+    {

+        return super.getAttributeAsInt(REL_PORT_ATTR_NAME);

+    }

+

+    /**

+     * Sets a Candidate Type as defined in ICE-CORE. The allowable values are

+     * "host" for host candidates, "prflx" for peer reflexive candidates,

+     * "relay" for relayed candidates, and "srflx" for server reflexive

+     * candidates. All allowable values are enumerated in the {@link

+     * CandidateType} enum.

+     *

+     * @param type this candidates' type as per ICE's RFC 5245.

+     */

+    public void setType(CandidateType type)

+    {

+        super.setAttribute(TYPE_ATTR_NAME, type);

+    }

+

+    /**

+     * Returns a Candidate Type as defined in ICE-CORE. The allowable values are

+     * "host" for host candidates, "prflx" for peer reflexive candidates,

+     * "relay" for relayed candidates, and "srflx" for server reflexive

+     * candidates. All allowable values are enumerated in the {@link

+     * CandidateType} enum.

+     *

+     * @return this candidates' type as per ICE's RFC 5245.

+     */

+    public CandidateType getType()

+    {

+        return CandidateType.valueOf(getAttributeAsString(TYPE_ATTR_NAME));

+    }

+

+    /**

+     * Compares this instance with another CandidatePacketExtension by

+     * preference of type: host < local < prflx < srflx < stun < relay.

+     *

+     * @return 0 if the type are equal. -1 if this instance type is preferred.

+     * Otherwise 1.

+     */

+    public int compareTo(CandidatePacketExtension candidatePacketExtension)

+    {

+        // If the types are differents.

+        if(this.getType() != candidatePacketExtension.getType())

+        {

+            CandidateType[] types = {

+                CandidateType.host,

+                CandidateType.local,

+                CandidateType.prflx,

+                CandidateType.srflx,

+                CandidateType.stun,

+                CandidateType.relay

+            };

+            for(int i = 0; i < types.length; ++i)

+            {

+                // this object is preferred.

+                if(types[i] == this.getType())

+                {

+                    return -1;

+                }

+                // the candidatePacketExtension is preferred.

+                else if(types[i] == candidatePacketExtension.getType())

+                {

+                    return 1;

+                }

+            }

+        }

+        // If the types are equal.

+        return 0;

+    }

+}