/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
* Large portions of this software are based upon public domain software
* https://sip-communicator.dev.java.net/
*
*/
package net.sourceforge.gjtapi.raw.sipprovider.sip;
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.Iterator;
import javax.sip.Dialog;
import javax.sip.message.Request;
import net.sourceforge.gjtapi.raw.sipprovider.common.Console;
import net.sourceforge.gjtapi.raw.sipprovider.sip.event.CallListener;
import net.sourceforge.gjtapi.raw.sipprovider.sip.event.CallStateEvent;
/**
* <p>Title: SIP COMMUNICATOR</p>
* <p>Description:JAIN-SIP Audio/Video phone application</p>
* <p>Copyright: Copyright (c) 2003</p>
* <p>Organisation: LSIIT laboratory (http://lsiit.u-strasbg.fr) </p>
* <p>Network Research Team (http://www-r2.u-strasbg.fr))</p>
* <p>Louis Pasteur University - Strasbourg - France</p>
* @author Emil Ivov (http://www.emcho.com)
* @version 1.1
*
*/
class CallDispatcher
implements CallListener
{
private static final Console console =
Console.getConsole(CallDispatcher.class);
/**
* All currently active calls.
*/
Hashtable calls = new Hashtable();
Call createCall(Dialog dialog,
Request initialRequest
)
{
try {
console.logEntry();
Call call = null;
if (dialog.getDialogId() != null) {
call = findCall(dialog);
}
if (call == null) {
call = new Call();
}
call.setDialog(dialog);
call.setInitialRequest(initialRequest);
// call.setState(Call.DIALING);
calls.put(new Integer(call.hashCode()), call);
if (console.isDebugEnabled()) {
console.debug("created call" + call);
}
call.addStateChangeListener(this);
return call;
}
finally {
console.logExit();
}
}
Call getCall(int id)
{
return (Call) calls.get(new Integer(id));
}
/**
* Find the call that contains the specified dialog.
* @param dialog the dialog whose containing call is to be found
* @return the call that contains the specified dialog,
* <code>null</code> if the call could not be found.
*/
Call findCall(Dialog dialog)
{
try {
console.logEntry();
if (dialog == null) {
return null;
}
synchronized (calls) {
Iterator iterator = calls.values().iterator();
while (iterator.hasNext()) {
Call item = (Call) iterator.next();
if (item.getDialog().getCallId().equals(dialog.getCallId())) {
return item;
}
}
}
return null;
}
finally {
console.logExit();
}
}
/**
* Find the call with the specified CallID header value.
* @param callID the CallID header value of the searched call.
* @return the call with the specified CallID header value.
*/
Call findCall(String callId)
{
try {
console.logEntry();
if (callId == null) {
return null;
}
synchronized (calls) {
Enumeration callEnumerator = calls.elements();
while (callEnumerator.hasMoreElements()) {
Call item = (Call) callEnumerator.nextElement();
if (item.getDialog().getCallId().equals(callId)) {
return item;
}
}
}
return null;
}
finally {
console.logExit();
}
}
public Object[] getAllCalls()
{
return calls.keySet().toArray();
}
private void removeCall(Call call)
{
try {
console.logEntry();
if (console.isDebugEnabled()) {
console.debug("removing call" + call);
}
calls.remove(new Integer(call.getID()));
}
finally {
console.logExit();
}
}
//================================ DialogListener =================
public void callStateChanged(CallStateEvent evt)
{
if (evt.getNewState().equals(Call.DISCONNECTED)) {
removeCall(evt.getSourceCall());
}
}
}