Source for javax.sound.midi.Receiver

   1: /* Receiver.java -- An interface for objects receiving MIDI data
   2:    Copyright (C) 2005 Free Software Foundation, Inc.
   3: 
   4: This file is part of GNU Classpath.
   5: 
   6: GNU Classpath is free software; you can redistribute it and/or modify
   7: it under the terms of the GNU General Public License as published by
   8: the Free Software Foundation; either version 2, or (at your option)
   9: any later version.
  10: 
  11: GNU Classpath is distributed in the hope that it will be useful, but
  12: WITHOUT ANY WARRANTY; without even the implied warranty of
  13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14: General Public License for more details.
  15: 
  16: You should have received a copy of the GNU General Public License
  17: along with GNU Classpath; see the file COPYING.  If not, write to the
  18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19: 02110-1301 USA.
  20: 
  21: Linking this library statically or dynamically with other modules is
  22: making a combined work based on this library.  Thus, the terms and
  23: conditions of the GNU General Public License cover the whole
  24: combination.
  25: 
  26: As a special exception, the copyright holders of this library give you
  27: permission to link this library with independent modules to produce an
  28: executable, regardless of the license terms of these independent
  29: modules, and to copy and distribute the resulting executable under
  30: terms of your choice, provided that you also meet, for each linked
  31: independent module, the terms and conditions of the license of that
  32: module.  An independent module is a module which is not derived from
  33: or based on this library.  If you modify this library, you may extend
  34: this exception to your version of the library, but you are not
  35: obligated to do so.  If you do not wish to do so, delete this
  36: exception statement from your version. */
  37: 
  38: 
  39: package javax.sound.midi;
  40: 
  41: /**
  42:  * This interface describes the methods required by objects receiving MIDI
  43:  * messages.
  44:  * 
  45:  * @author Anthony Green (green@redhat.com)
  46:  * @since 1.3
  47:  *
  48:  */
  49: public interface Receiver
  50: {
  51:   /**
  52:    * Send a MIDI message and timestamp.  Some receivers don't support
  53:    * timestamps, in which case timeStamp should be -1.
  54:    * 
  55:    * @param message the MIDI message to send
  56:    * @param timeStamp time timestamp for this message in microseconds (or -1)
  57:    * @throws IllegalStateException if the receiver is closed
  58:    */
  59:   public void send(MidiMessage message, long timeStamp)
  60:     throws IllegalStateException;
  61:   
  62:   /**
  63:    * Close this receiver, possibly freeing system resources.
  64:    */
  65:   public void close();
  66: }