/*
* 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 (luca.veltri@unipr.it)
*/
package org.zoolu.sdp;
import org.zoolu.tools.Parser;
import java.util.Vector;
/** SDP media field.
* <p>
* <BLOCKQUOTE><PRE>
* media-field = "m=" media SP port ["/" integer] SP proto 1*(SP fmt) CRLF
* </PRE></BLOCKQUOTE>
*/
public class MediaField extends SdpField
{
/** Creates a new MediaField. */
public MediaField(String media_field)
{ super('m',media_field);
}
/** Creates a new MediaField. */
public MediaField(String media, int port, int num, String transport, String formats)
{ super('m',null);
value=media+" "+port;
if (num>0) value+="/"+num;
value+=" "+transport+" "+formats;
}
/** Creates a new MediaField.
* @param formatlist a Vector of media formats (properly a Vector of Strings) */
public MediaField(String media, int port, int num, String transport, Vector formatlist)
{ super('m',null);
value=media+" "+port;
if (num>0) value+="/"+num;
value+=" "+transport;
for (int i=0; i<formatlist.size(); i++) value+=" "+formatlist.elementAt(i);
}
/** Creates a new SdpField. */
public MediaField(SdpField sf)
{ super(sf);
}
/** Gets the media type. */
public String getMedia()
{ return new Parser(value).getString();
}
/** Gets the media port. */
public int getPort()
{ String port=(new Parser(value)).skipString().getString();
int i=port.indexOf('/');
if (i<0) return Integer.parseInt(port); else return Integer.parseInt(port.substring(0,i));
}
/** Gets the transport protocol. */
public String getTransport()
{ return (new Parser(value)).skipString().skipString().getString();
}
/** Gets the media formats. */
public String getFormats()
{ return (new Parser(value)).skipString().skipString().skipString().skipWSP().getRemainingString();
}
/** Gets the media formats as a Vector of String. */
public Vector getFormatList()
{ Vector formatlist=new Vector();
Parser par=new Parser(value);
par.skipString().skipString().skipString();
while (par.hasMore())
{ String fmt=par.getString();
if (fmt!=null && fmt.length()>0) formatlist.addElement(fmt);
}
return formatlist;
}
}