/* * 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 * information or have any questions. */ package gov.nist.javax.sdp.parser; import gov.nist.core.*; /** * Basica lexigographical processor. */ public class Lexer extends LexerCore { /** * Constructs a Lexer byte name to process the * requested buffer of text. * @param lexerName the requested processor * @param buffer the data to be processed */ public Lexer(String lexerName, String buffer) { super(lexerName, buffer); } /** * Selects a new lexer byte name. * @param lexerName the new processor to use */ public void selectLexer(String lexerName) {} /** * Gets the firld name. * @param line the text to parse * @return the name of the field to process */ public static String getFieldName(String line) { int i = line.indexOf("="); if (i == -1) return null; else return line.substring(0, i); } }