common/src/java/com/example/android/common/midi/MidiTools.java

/*
 * Copyright (C) 2015 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.example.android.common.midi;

import android.media.midi.MidiDeviceInfo;
import android.media.midi.MidiManager;

/**
 * Miscellaneous tools for Android MIDI.
 */
public class MidiTools {

    /**
     * @return a device that matches the manufacturer and product or null
     */
    public static MidiDeviceInfo findDevice(MidiManager midiManager,
            String manufacturer, String product) {
        for (MidiDeviceInfo info : midiManager.getDevices()) {
            String deviceManufacturer = info.getProperties()
                    .getString(MidiDeviceInfo.PROPERTY_MANUFACTURER);
            if ((manufacturer != null)
                    && manufacturer.equals(deviceManufacturer)) {
                String deviceProduct = info.getProperties()
                        .getString(MidiDeviceInfo.PROPERTY_PRODUCT);
                if ((product != null) && product.equals(deviceProduct)) {
                    return info;
                }
            }
        }
        return null;
    }
}