get Device Or Null - Java javax.sound.midi

Java examples for javax.sound.midi:MidiDevice

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Description

get Device Or Null

Demo Code

/* Copyright (C) 2006 Christian Schneider
 * //  www.  j a  va  2 s  .  c o m
 * This file is part of Nomad.
 * 
 * Nomad 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.
 * 
 * Nomad 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 Nomad; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
//package com.java2s;

import javax.sound.midi.MidiDevice;
import javax.sound.midi.MidiSystem;
import javax.sound.midi.MidiUnavailableException;

public class Main {
    public static MidiDevice getDeviceOrNull(MidiDevice.Info deviceInfo) {
        try {
            return getMidiDevice(deviceInfo);
        } catch (MidiUnavailableException e) {
            return null;
        }
    }

    public static MidiDevice getMidiDevice(MidiDevice.Info deviceInfo)
            throws MidiUnavailableException {
        try {
            return MidiSystem.getMidiDevice(deviceInfo);
        } catch (IllegalArgumentException e) {
            // the device does not exist anymore - 
            // this seems to be a bug because MidiUnavailableException should
            // be thrown instead
            MidiUnavailableException m = new MidiUnavailableException();
            m.initCause(e);
            throw m;
        }
    }
}

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