Convert Narya (most of the way) over to a Maven Ant task based build. The

ActionScript bits remain belligerent, but the Java stuff is mostly shipshape.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@6222 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/main/java/com/threerings/presents/dobj/MessageEvent.java

@@ -0,0 +1,122 @@
+//
+// $Id$
+//
+// Narya library - tools for developing networked games
+// Copyright (C) 2002-2010 Three Rings Design, Inc., All Rights Reserved
+// http://code.google.com/p/narya/
+//
+// This library is free software; you can redistribute it and/or modify it
+// under the terms of the GNU Lesser General Public License as published
+// by the Free Software Foundation; either version 2.1 of the License, or
+// (at your option) any later version.
+//
+// This library 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
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+package com.threerings.presents.dobj;
+
+import com.samskivert.util.StringUtil;
+
+import com.threerings.presents.net.Transport;
+
+/**
+ * A message event is used to dispatch a message to all subscribers of a
+ * distributed object without actually changing any of the fields of the
+ * object. A message has a name, by which different subscribers of the
+ * same object can distinguish their different messages, and an array of
+ * arguments by which any contents of the message can be delivered.
+ *
+ * @see DObjectManager#postEvent
+ */
+public class MessageEvent extends NamedEvent
+{
+    /**
+     * Constructs a new message event on the specified target object with
+     * the supplied name and arguments.
+     *
+     * @param targetOid the object id of the object whose attribute has
+     * changed.
+     * @param name the name of the message event.
+     * @param args the arguments for this message. This array should
+     * contain only values of valid distributed object types.
+     */
+    public MessageEvent (int targetOid, String name, Object[] args)
+    {
+        this(targetOid, name, args, Transport.DEFAULT);
+    }
+
+    /**
+     * Constructs a new message event on the specified target object with
+     * the supplied name and arguments.
+     *
+     * @param targetOid the object id of the object whose attribute has
+     * changed.
+     * @param name the name of the message event.
+     * @param args the arguments for this message. This array should
+     * contain only values of valid distributed object types.
+     * @param transport a hint as to the type of transport desired for the event.
+     */
+    public MessageEvent (int targetOid, String name, Object[] args, Transport transport)
+    {
+        super(targetOid, name, transport);
+        _args = args;
+    }
+
+    /**
+     * Constructs a blank instance of this event in preparation for
+     * unserialization from the network.
+     */
+    public MessageEvent ()
+    {
+    }
+
+    /**
+     * Returns the arguments to this message.
+     */
+    public Object[] getArgs ()
+    {
+        return _args;
+    }
+
+    /**
+     * Replaces the arguments associated with this message event.
+     * <em>Note:</em> this should only be called on events that have not
+     * yet been dispatched into the distributed object system.
+     */
+    public void setArgs (Object[] args)
+    {
+        _args = args;
+    }
+
+    @Override
+    public boolean applyToObject (DObject target)
+        throws ObjectAccessException
+    {
+        // nothing to do here
+        return true;
+    }
+
+    @Override
+    protected void notifyListener (Object listener)
+    {
+        if (listener instanceof MessageListener) {
+            ((MessageListener)listener).messageReceived(this);
+        }
+    }
+
+    @Override
+    protected void toString (StringBuilder buf)
+    {
+        buf.append("MSG:");
+        super.toString(buf);
+        buf.append(", args=").append(StringUtil.toString(_args));
+    }
+
+    protected Object[] _args;
+}