/*
* 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.sip.header;
import org.zoolu.tools.Parser;
import java.util.Vector;
/** Generic SIP Header containing a list of tokens (Strings). */
public abstract class ListHeader extends Header
{
public ListHeader(String hname, String hvalue)
{ super(hname,hvalue);
}
public ListHeader(Header hd)
{ super(hd);
}
/** Gets list of tokens (as Vector of Strings). */
public Vector getElements()
{ Vector elements=new Vector();
Parser par=new Parser(value);
char[] delim={ ',' };
while (par.hasMore())
{ String elem=par.getWord(delim).trim();
if (elem!=null && elem.length()>0) elements.addElement(elem);
par.skipChar();
}
return elements;
}
/** Sets the list of tokens. */
public void setElements(Vector elements)
{ StringBuffer sb=new StringBuffer();
for (int i=0; i<elements.size(); i++)
{ if (i>0) sb.append(", ");
sb.append((String)elements.elementAt(i));
}
value=sb.toString();
}
/** Adds a new token to the elements list. */
public void addElement(String elem)
{ if (value==null || value.length()==0) value=elem;
else value+=", "+elem;
}
}