5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 package com.sun.media.sound;
  26 
  27 import javax.sound.midi.*;
  28 




  29 
  30 /**
  31  * Helper class which allows to convert {@code Receiver}
  32  * to {@code MidiDeviceReceiver}.
  33  *
  34  * @author Alex Menkov
  35  */
  36 public final class MidiDeviceReceiverEnvelope implements MidiDeviceReceiver {
  37 
  38     private final MidiDevice device;
  39     private final Receiver receiver;
  40 
  41     /**
  42      * Creates a new {@code MidiDeviceReceiverEnvelope} object which
  43      * envelops the specified {@code Receiver}
  44      * and is owned by the specified {@code MidiDevice}.
  45      *
  46      * @param device the owner {@code MidiDevice}
  47      * @param receiver the {@code Receiver} to be enveloped
  48      */
  49     public MidiDeviceReceiverEnvelope(MidiDevice device, Receiver receiver) {
  50         if (device == null || receiver == null) {
  51             throw new NullPointerException();
  52         }
  53         this.device = device;
  54         this.receiver = receiver;
  55     }
  56 
  57     // Receiver implementation

  58     public void close() {
  59         receiver.close();
  60     }
  61 

  62     public void send(MidiMessage message, long timeStamp) {
  63         receiver.send(message, timeStamp);
  64     }
  65 
  66     // MidiDeviceReceiver implementation

  67     public MidiDevice getMidiDevice() {
  68         return device;
  69     }
  70 
  71     /**
  72      * Obtains the receiver enveloped
  73      * by this {@code MidiDeviceReceiverEnvelope} object.
  74      *
  75      * @return the enveloped receiver
  76      */
  77     public Receiver getReceiver() {
  78         return receiver;
  79     }
  80 }

   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */

  25 
  26 package com.sun.media.sound;
  27 
  28 import javax.sound.midi.MidiDevice;
  29 import javax.sound.midi.MidiDeviceReceiver;
  30 import javax.sound.midi.MidiMessage;
  31 import javax.sound.midi.Receiver;
  32 
  33 /**
  34  * Helper class which allows to convert {@code Receiver}
  35  * to {@code MidiDeviceReceiver}.
  36  *
  37  * @author Alex Menkov
  38  */
  39 public final class MidiDeviceReceiverEnvelope implements MidiDeviceReceiver {
  40 
  41     private final MidiDevice device;
  42     private final Receiver receiver;
  43 
  44     /**
  45      * Creates a new {@code MidiDeviceReceiverEnvelope} object which
  46      * envelops the specified {@code Receiver}
  47      * and is owned by the specified {@code MidiDevice}.
  48      *
  49      * @param device the owner {@code MidiDevice}
  50      * @param receiver the {@code Receiver} to be enveloped
  51      */
  52     public MidiDeviceReceiverEnvelope(MidiDevice device, Receiver receiver) {
  53         if (device == null || receiver == null) {
  54             throw new NullPointerException();
  55         }
  56         this.device = device;
  57         this.receiver = receiver;
  58     }
  59 
  60     // Receiver implementation
  61     @Override
  62     public void close() {
  63         receiver.close();
  64     }
  65 
  66     @Override
  67     public void send(MidiMessage message, long timeStamp) {
  68         receiver.send(message, timeStamp);
  69     }
  70 
  71     // MidiDeviceReceiver implementation
  72     @Override
  73     public MidiDevice getMidiDevice() {
  74         return device;
  75     }
  76 
  77     /**
  78      * Obtains the receiver enveloped
  79      * by this {@code MidiDeviceReceiverEnvelope} object.
  80      *
  81      * @return the enveloped receiver
  82      */
  83     public Receiver getReceiver() {
  84         return receiver;
  85     }
  86 }