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package com.sun.media.sound;

import java.util.Comparator;
import javax.sound.midi.Instrument;
import javax.sound.midi.Patch;

Instrument comparator class. Used to order instrument by program, bank, percussion.
Author:Karl Helgason
/** * Instrument comparator class. * Used to order instrument by program, bank, percussion. * * @author Karl Helgason */
public final class ModelInstrumentComparator implements Comparator<Instrument> { public int compare(Instrument arg0, Instrument arg1) { Patch p0 = arg0.getPatch(); Patch p1 = arg1.getPatch(); int a = p0.getBank() * 128 + p0.getProgram(); int b = p1.getBank() * 128 + p1.getProgram(); if (p0 instanceof ModelPatch) { a += ((ModelPatch)p0).isPercussion() ? 2097152 : 0; } if (p1 instanceof ModelPatch) { b += ((ModelPatch)p1).isPercussion() ? 2097152 : 0; } return a - b; } }