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 * 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.

 *

 * 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.

 *

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import java.io.PrintStream;

import javax.sound.midi.Instrument;

import javax.sound.midi.MidiChannel;

import javax.sound.midi.MidiSystem;

import javax.sound.midi.MidiUnavailableException;

import javax.sound.midi.Soundbank;

import javax.sound.midi.Synthesizer;

/**

 * @test

 * @bug 4987585

 * @summary Some MidiChannel methods are asynchronous

 */

public class AsynchronousMidiChannel {

    static PrintStream log = System.err;

    static PrintStream ref = System.out;

    public static void main(String args[]) {

        doIt(args);

    }

    public static void doIt(String args[]) {

        Synthesizer synth = null;

        MidiChannel mChanArr[];

        MidiChannel chan = null;

        boolean failed = false;

        int i = 0;

        int chanNum = 0;

        int val = 1;

        int contr = 0;

        Soundbank sBank;

        Instrument[] insArr;

        Instrument instr = null;

        Object ev = new Object();

        try {

            synth = MidiSystem.getSynthesizer();

            System.out.println("Got synth: "+synth);

            synth.open();

            int latency = (int) synth.getLatency();

            System.out.println("  -> latency: "

                               +latency

                               +" microseconds");

            mChanArr = synth.getChannels();

            while ((i < mChanArr.length) && (chan == null)) {

                chanNum = i;

                chan = mChanArr[i++];

            }

            if (chan == null) {

                System.out.println("No channels in "

                                   +"this synthesizer!");

                return;

            }

            System.out.println("Got MidiChannel: "+chan);

            sBank = synth.getDefaultSoundbank();

            if (sBank == null) {

                System.out.println("No default sound bank!");

                return;

            }

            insArr = sBank.getInstruments();

            for (int j = 0; j < insArr.length; j++) {

                if (insArr[j].getPatch().getBank() == val) {

                    instr = insArr[j];

                    synth.loadInstrument(instr);

                }

            }

            if (instr == null) {

                System.out.println("No instr. with this bank!");

                return;

            }

            chan.controlChange(contr, val);

            // need to respect the synthesizer's latency

            if (latency > 0) {

                try {

                    Thread.sleep(latency/1000);

                } catch (InterruptedException inEx) {

                }

            }

            if (chan.getController(contr) != val) {

                failed = true;

                System.err.println("getController() does not "

                                   +"return proper value: "

                + chan.getController(contr));

            }  else {

                System.out.println("getController("

                + contr + ") returns proper value: "

                + chan.getController(contr));

            }

        } catch (MidiUnavailableException mue) {

            System.err.println("MidiUnavailableException was "

                               +"thrown: " + mue);

            System.out.println("could not test.");

            return;

        } catch(SecurityException se) {

            se.printStackTrace();

            System.err.println("Sound access is not denied but "

            + "SecurityException was thrown!");

            return;

        } finally {

            if (synth != null) synth.close();

        }

        if (failed == true) {

            System.out.println("test failed");

        } else {

            System.out.println("OKAY");

        }

        return;

    }

}