CharSequence.java

/*
 * Copyright (C) 2009 eXo Platform SAS.
 *
 * This 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.
 *
 * This software 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 software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.exoplatform.services.html.refs;

/**
 * Author : Nhu Dinh Thuan nhudinhthuan@yahoo.com May 8, 2006
 */
class CharsSequence {

    private int index;

    private char[] values;

    CharsSequence(int max) {
        values = new char[max];
        index = 0;
    }

    void append(char c) {
        if (index >= values.length)
            return;
        values[index] = c;
        index++;
    }

    void append(String string) {
        char[] cs = string.toCharArray();
        for (int i = 0; i < cs.length; i++) {
            if (index >= values.length)
                return;
            values[index] = cs[i];
            index++;
        }
    }

    char[] getValues() {
        char[] newValues = new char[index];
        System.arraycopy(values, 0, newValues, 0, index);
        return newValues;
    }
}