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/*
 * @(#)SysexSendReceive.java    beta8   2006/04/23
 *
 * Copyright (C) 2008    Adam King (adamjking@optusnet.com.au)
 *
 * This application 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 application 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 application; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */


package org.midibox.midi;

import java.io.File;
import java.util.LinkedList;
import java.util.Observable;

import javax.sound.midi.MidiMessage;
import javax.sound.midi.Receiver;
import javax.sound.midi.SysexMessage;

public class SysexSendReceive extends Observable implements Receiver {

    protected Receiver receiver;

    protected File file;

    protected long fileLastModified;

    protected SysexFile sysexFile;

    protected SysexSendReceiveWorkerTask sysexSendReceiveWorkerTask;

    protected int sendBufferSize;

    protected LinkedList receivedBytes;

    public SysexSendReceive(Receiver receiver) {
        super();
        this.receiver = receiver;
        sendBufferSize = 256;
        receivedBytes = new LinkedList();
    }

    public File getFile() {
        return file;
    }

    public boolean fileChanged() {
        return file.lastModified() != fileLastModified;
    }

    public void setFile(File file) {
        this.file = file;
        fileLastModified = file.lastModified();

        readSysexFile();

        setChanged();
        notifyObservers(file);
        clearChanged();
    }

    public void readSysexFile() {
        sysexFile = new SysexFile();
        if (!sysexFile.read(file.getPath())) {
            // TODO
        }
    }

    public SysexFile getSysexFile() {
        return sysexFile;
    }

    public int getSendBufferSize() {
        return sendBufferSize;
    }

    public void setSendBufferSize(int sendBufferSize) {
        this.sendBufferSize = sendBufferSize;
    }

    public LinkedList getReceivedBytes() {
        return receivedBytes;
    }

    public void send(MidiMessage message, long timestamp) {
        if (message instanceof SysexMessage) {
            receivedBytes.add(((SysexMessage) message).getData());

            setChanged();
            notifyObservers(receivedBytes);
            clearChanged();
        }
    }

    public void close() {

    }

    public class SysexSendReceiveWorkerTask extends Thread {

        public void run() {

        }
    }
}