| /* |
| * Copyright (c) 2002, 2013, 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 |