/*
* Copyright (c) 2002, 2007, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.media.sound;
import javax.sound.midi.*;
/**
* optimized FastSysexMessage that doesn't copy the array upon instantiation
*
* @author Florian Bomers
*/
final class FastSysexMessage extends SysexMessage {
FastSysexMessage(byte[] data) throws InvalidMidiDataException {
super(data);
if (data.length==0 || (((data[0] & 0xFF) != 0xF0) && ((data[0] & 0xFF) != 0xF7))) {
super.setMessage(data, data.length); // will throw Exception
}
}
/**
* The returned array may be larger than this message is.
* Use getLength() to get the real length of the message.
*/
byte[] getReadOnlyMessage() {
return data;
}
// overwrite this method so that the original data array,
// which is shared among all transmitters, cannot be modified
public void setMessage(byte[] data, int length) throws InvalidMidiDataException {
if ((data.length == 0) || (((data[0] & 0xFF) != 0xF0) && ((data[0] & 0xFF) != 0xF7))) {
super.setMessage(data, data.length); // will throw Exception
}
this.length = length;
this.data = new byte[this.length];
System.arraycopy(data, 0, this.data, 0, length);
}
} // class FastSysexMessage