sipvialist.java

Java SIP

/*
 * This file was derived from libdissipate, an open source SIP library. The original file 
 * was modified on 1/23/2001.  Please see
 * http://www.div8.net/dissipate for more information.
 *
 * Copyright (c) 2000 Billy Biggs <[e-mail]>
 *
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Library General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or (at your
 * option) any later version.
 * 
 * This library 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 Library General Public
 * License for more details.
 * 
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
 * MA 02111-1307, USA.
 *
 */
/**
 * class SipViaList
 * 
 * This code has been generated using C2J++
 * C2J++ is based on Chris Laffra's C2J ([e-mail])
 * Read general disclaimer distributed with C2J++ before using this code
 * For information about C2J++, send mail to [e-mail]
 */
package org.mitre.jsip;

import java.util.*;

public class SipViaList extends ArrayList
{

    /**
     * SipViaList
     */
    public SipViaList()
    {
    }

    /**
     * getViaList
     * @return String
     */
    public String getViaList()
    {
	String list = (size() > 0) ? "" : null;

	for( ListIterator it = this.listIterator(); it.hasNext();  ) {
	    SipVia svia = (SipVia)it.next();
		list += SipHeader.getHeaderString( SipHeader.Via ) + ": " + svia.via() + "\r\n";
	}

	return list;
    }

    /**
     * insertTopmostVia
     * @param newtop
     */
    public void insertTopmostVia(SipVia newtop)
    {
	this.add( 0, newtop );
    }
    
    /**
     * parseVia
     * @param via
     */
    public void parseVia(String via)
    {
	String inputline;
	String curvia;

	inputline = via.trim();

	while( inputline != null ) {
	    if( inputline.indexOf( ',' ) >= 0 ) {
		curvia = inputline.substring( 0, inputline.indexOf( ',' ) - 1 );
		this.add( new SipVia( curvia ) );
		inputline = inputline.substring( inputline.indexOf( ',' ) + 1 );
		inputline.trim();
	    } else {
		this.add( new SipVia( inputline ) );
		inputline = null;
	    }
	}
    }

    /**
     * getTopmostVia
     * @return SipVia&
     */
    public SipVia getTopmostVia()
    {
	return (SipVia)this.get( 0 );
    }
    
}