--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/javax/sound/midi/Transmitter.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,76 @@
+/*
+ * Copyright 1999-2003 Sun Microsystems, Inc.  All Rights Reserved.
+ * 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.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * 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.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package javax.sound.midi;
+
+
+/**
+ * A <code>Transmitter</code> sends <code>{@link MidiEvent}</code> objects to one or more
+ * <code>{@link Receiver Receivers}</code>. Common MIDI transmitters include sequencers
+ * and MIDI input ports.
+ *
+ * @see Receiver
+ *
+ * @author Kara Kytle
+ */
+public interface Transmitter {
+
+
+    /**
+     * Sets the receiver to which this transmitter will deliver MIDI messages.
+     * If a receiver is currently set, it is replaced with this one.
+     * @param receiver the desired receiver.
+     */
+    public void setReceiver(Receiver receiver);
+
+
+    /**
+     * Obtains the current receiver to which this transmitter will deliver MIDI messages.
+     * @return the current receiver.  If no receiver is currently set,
+     * returns <code>null</code>
+     */
+    public Receiver getReceiver();
+
+
+    /**
+     * Indicates that the application has finished using the transmitter, and
+     * that limited resources it requires may be released or made available.
+     *
+     * <p>If the creation of this <code>Transmitter</code> resulted in
+     * implicitly opening the underlying device, the device is
+     * implicitly closed by this method. This is true unless the device is
+     * kept open by other <code>Receiver</code> or <code>Transmitter</code>
+     * instances that opened the device implicitly, and unless the device
+     * has been opened explicitly. If the device this
+     * <code>Transmitter</code> is retrieved from is closed explicitly
+     * by calling {@link MidiDevice#close MidiDevice.close}, the
+     * <code>Transmitter</code> is closed, too.  For a detailed
+     * description of open/close behaviour see the class description
+     * of {@link javax.sound.midi.MidiDevice MidiDevice}.
+     *
+     * @see javax.sound.midi.MidiSystem#getTransmitter
+     */
+    public void close();
+}