1 /* 2 * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.sun.media.sound; 27 28 import java.util.Comparator; 29 30 import javax.sound.midi.Instrument; 31 import javax.sound.midi.Patch; 32 33 /** 34 * Instrument comparator class. 35 * Used to order instrument by program, bank, percussion. 36 * 37 * @author Karl Helgason 38 */ 39 public final class ModelInstrumentComparator implements Comparator<Instrument> { 40 41 @Override 42 public int compare(Instrument arg0, Instrument arg1) { 43 Patch p0 = arg0.getPatch(); 44 Patch p1 = arg1.getPatch(); 45 int a = p0.getBank() * 128 + p0.getProgram(); 46 int b = p1.getBank() * 128 + p1.getProgram(); 47 if (p0 instanceof ModelPatch) { 48 a += ((ModelPatch)p0).isPercussion() ? 2097152 : 0; 49 } 50 if (p1 instanceof ModelPatch) { 51 b += ((ModelPatch)p1).isPercussion() ? 2097152 : 0; 52 } 53 return a - b; 54 } 55 }