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/*
 *   (C) 2002 Paul Wilkinson  wilko@users.sourceforge.net
 *
 *   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
 *
 */

/*
 * FlapDataFrame.java
 *
 * Created on 3 May 2002, 14:54
 */

package com.wilko.jaim.flap;

/**
 * @author paulw
 * @version $Revision: 1.3 $
 */
public class FLAPDataFrame extends FLAPFrame {

    private int frameLen;

    /**
     * Creates new FlapDataFrame
     */
    public FLAPDataFrame() {
        frame[1] = FLAP_FRAME_DATA;
        frameLen = 1;
        frame[FLAP_DATA_OFFSET] = 0;
    }

    public FLAPDataFrame(byte[] frameData) {
        frame[1] = FLAP_FRAME_DATA;
        frameLen = 1;
        frame[FLAP_DATA_OFFSET] = 0;
        setFrameData(frameData);
    }


    public int getFLAPFrameType() {
        return (FLAPFrame.FLAP_FRAME_DATA);
    }

    public void addString(String s) {
        frameLen--;     // Backspace over '0'
        for (int i = 0; i < s.length(); i++) {
            frame[FLAP_DATA_OFFSET + frameLen++] = (byte) s.charAt(i);
        }
        frame[FLAP_DATA_OFFSET + frameLen++] = 0;
        setLength(frameLen);
    }

    public byte[] getContent() {
        byte[] retarray = new byte[getLength()];

        System.arraycopy(frame, FLAPFrame.FLAP_DATA_OFFSET, retarray, 0, getLength());
        return (retarray);
    }

}