Token.java

/**
 *   GRANITE DATA SERVICES
 *   Copyright (C) 2006-2015 GRANITE DATA SERVICES S.A.S.
 *
 *   This file is part of the Granite Data Services Platform.
 *
 *   Granite Data Services is free software; you can redistribute it and/or
 *   modify it under the terms of the GNU Lesser General Public
 *   License as published by the Free Software Foundation; either
 *   version 2.1 of the License, or (at your option) any later version.
 *
 *   Granite Data Services 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 Lesser
 *   General Public License for more details.
 *
 *   You should have received a copy of the GNU Lesser General Public
 *   License along with this library; if not, write to the Free Software
 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
 *   USA, or see <http://www.gnu.org/licenses/>.
 */
package org.granite.generator.gsp.token;

/**
 * @author Franck WOLFF
 */
public abstract class Token {

    private final int index;
    private final String content;

    public Token(int index, String content) {
        if (content == null)
            throw new NullPointerException("content cannot be null");
        this.index = index;
        this.content = content;
    }

    public final String getContent() {
        return content;
    }

    public int getIndex() {
        return index;
    }

    @Override
    public String toString() {
        return this.getClass().getName() + " [" + index + ", " + content + ']';
    }
}