yacy_search_server/source/de/anomic/data/wiki/tokens/AbstractToken.java

// AbstractToken.java 
// ---------
// part of YaCy
// (C) by Michael Peter Christen; mc@yacy.net
// first published on http://www.anomic.de
// Frankfurt, Germany, 2007
// Created 22.02.2007
//
// This file is contributed by Franz Brausze
//
// $LastChangedDate$
// $LastChangedRevision$
// $LastChangedBy$
//
// This program 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.
//
// 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 for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

package de.anomic.data.wiki.tokens;

import de.anomic.data.wiki.wikiParserException;

public abstract class AbstractToken implements Token {
	
    protected String text = null;
    protected String markup = null;
    protected boolean parsed = false;

    protected abstract void parse() throws wikiParserException;

    public String getMarkup() throws wikiParserException {
        if (this.text == null) {
            throw new IllegalArgumentException();
        }
        if (!this.parsed) {
            parse();
        }
        return this.markup;
    }
	
    public String getText() {
        return this.text;
    }
	
    @Override
    public String toString() {
        try {
            return getMarkup();
        } catch (final wikiParserException e) {
            return null;
        }
    }
}