SDPParser.java

/*
 * Portions Copyright  2000-2009 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
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 */
package gov.nist.javax.sdp.parser;
import  gov.nist.core.*;
import  gov.nist.javax.sdp.fields.*;

/**
 * Basic parser engine.
 *
 * @version  JAIN-SIP-1.1
 *
 *
 * <a href="{@docRoot}/uncopyright.html">This code is in the public domain.</a>
 *
 */
public abstract class SDPParser extends ParserCore {
    /** 
     * Parses the selected field.
     * @exception ParseException if a parsing error occurs
     * @return the current parsed field
     */
    public abstract SDPField parse() throws ParseException;

    /**
     * Sets the field name to parse next.
     * @param field the next field name to be parsed
     */
    protected void setField(String field) {
	this.lexer = new Lexer("charLexer", field);
    }
	


}