/*
 * Portions Copyright  2000-2007 Sun Microsystems, Inc. All Rights
 * Reserved.  Use is subject to license terms.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License version
 * 2 only, as published by the Free Software Foundation.
 * 
 * This program 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 version 2 for more details (a copy is
 * included at /legal/license.txt).
 * 
 * You should have received a copy of the GNU General Public License
 * version 2 along with this work; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 * 
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
 * Clara, CA 95054 or visit www.sun.com if you need additional
 * information or have any questions.
 */
/*
 * URIFieldParser.java
 *
 * Created on February 25, 2002, 11:10 AM
 */

package gov.nist.javax.sdp.parser;
import gov.nist.javax.sdp.fields.*;
import gov.nist.core.*;

/**
 * URI Field Parser.
 *
 * @version JAIN-SIP-1.1
 *
 *
 * a href="{@docRoot}/uncopyright.html">This code is in the public domain.</a>
 *
 */
public class URIFieldParser extends SDPParser {

    /**
     * Creates new URIFieldParser.
     * @param uriField the URI filed to be parsed
     */
    public URIFieldParser(String uriField) {
        lexer = new Lexer("charLexer", uriField);
    }

    /** Default constructor. */
    protected URIFieldParser() {
        super();
    }

    /**
     * Gets the URI field.
     * @return URIField
     * @exception ParseException if a parsing error occurs
     */
    public URIField uriField() throws ParseException {
        lexer.match('u');
        lexer.SPorHT();
        lexer.match('=');
        lexer.SPorHT();

        URIField uriField = new URIField();
        String rest = lexer.getRest().trim(); 
        uriField.setURI(rest);
        return uriField; 
    }

    /**
     * Gets the URI field.
     * @return URIField
     * @exception ParseException if a parsing error occurs
     */
    public SDPField parse() throws ParseException {
        return uriField();
    }
}