callaccepter.java

基于MJSIP的j2me客户端

/*
 * Copyright (C) 2005 Luca Veltri - University of Parma - Italy
 * 
 * This file is part of MjSip (http://www.mjsip.org)
 * 
 * MjSip is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * 
 * MjSip is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with MjSip; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 * 
 * Author(s):
 * Luca Veltri ([e-mail])
 */

package org.zoolu.sip.call;


import org.zoolu.sip.provider.*;
import org.zoolu.sip.address.NameAddress;
import org.zoolu.sip.message.*;


/** CallAccepter listens for new incoming invite requests that create an Call.
  */
public class CallAccepter implements SipProviderListener
{  
   /** CallAccepterListener that captures new calls. */
   CallAccepterListener listener;

   /** SipProvider that receives incoming invite requests. */
   SipProvider sip_provider;

   /** From URL (user's AOR). */
   //String from_url;

   /** Contact URL. */
   String contact_url;


   /** Creates a new CallAccepter of type <i>method</i>,
     * and starts listening for incoming invite requests. */
   public CallAccepter(SipProvider sip_provider, /*String from_url, */String contact_url, CallAccepterListener listener)
   {  this.listener=listener;
      this.sip_provider=sip_provider;
      //this.from_url=from_url;
      this.contact_url=contact_url;
      sip_provider.addSipProviderListener(new MethodIdentifier(SipMethods.INVITE),this);
   }


   /** Method derived from interface SipListener. */
   public void onReceivedMessage(SipProvider provider, Message msg)
   {  NameAddress callee=msg.getToHeader().getNameAddress();
      NameAddress caller=msg.getFromHeader().getNameAddress();
      String sdp=msg.getBody();
      if (listener!=null) listener.onNewCall(this,new ExtendedCall(sip_provider,msg,contact_url,listener),callee,caller,sdp,msg);
   }


   /** Stops listening for incoming invite requests. */
   public void halt()
   {  sip_provider.removeSipProviderListener(new MethodIdentifier(SipMethods.INVITE));
   }

}