86 lines
2.7 KiB
Java
86 lines
2.7 KiB
Java
/*
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* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package com.sun.media.sound;
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import javax.sound.midi.*;
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/**
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* Helper class which allows to convert {@code Transmitter}
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* to {@code MidiDeviceTransmitter}.
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*
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* @author Alex Menkov
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*/
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public final class MidiDeviceTransmitterEnvelope implements MidiDeviceTransmitter {
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private final MidiDevice device;
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private final Transmitter transmitter;
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/**
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* Creates a new {@code MidiDeviceTransmitterEnvelope} object which
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* envelops the specified {@code Transmitter}
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* and is owned by the specified {@code MidiDevice}.
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*
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* @param device the owner {@code MidiDevice}
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* @param transmitter the {@code Transmitter} to be enveloped
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*/
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public MidiDeviceTransmitterEnvelope(MidiDevice device, Transmitter transmitter) {
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if (device == null || transmitter == null) {
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throw new NullPointerException();
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}
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this.device = device;
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this.transmitter = transmitter;
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}
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// Transmitter implementation
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public void setReceiver(Receiver receiver) {
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transmitter.setReceiver(receiver);
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}
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public Receiver getReceiver() {
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return transmitter.getReceiver();
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}
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public void close() {
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transmitter.close();
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}
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// MidiDeviceReceiver implementation
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public MidiDevice getMidiDevice() {
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return device;
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}
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/**
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* Obtains the transmitter enveloped
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* by this {@code MidiDeviceTransmitterEnvelope} object.
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*
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* @return the enveloped transmitter
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*/
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public Transmitter getTransmitter() {
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return transmitter;
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}
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}
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