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/util/StreamableHashMap.java

@@ -0,0 +1,115 @@
+//
+// $Id$
+//
+// 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.util;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import java.io.IOException;
+
+import com.samskivert.annotation.ReplacedBy;
+
+import com.threerings.io.ObjectInputStream;
+import com.threerings.io.ObjectOutputStream;
+import com.threerings.io.Streamable;
+
+/**
+ * A {@link HashMap} extension that can be streamed. The keys and values in the map must also be
+ * of streamable types.
+ *
+ * @see Streamable
+ * @param <K> the type of key stored in this map.
+ * @param <V> the type of value stored in this map.
+ */
+@ReplacedBy("java.util.Map")
+public class StreamableHashMap<K, V> extends HashMap<K, V>
+    implements Streamable
+{
+    /**
+     * Creates an empty StreamableHashMap.
+     */
+    public static <K, V> StreamableHashMap<K, V> newMap ()
+    {
+        return new StreamableHashMap<K, V>();
+    }
+
+    /**
+     * Creates StreamableHashMap populated with the same values as the provided Map.
+     */
+    public static <K, V> StreamableHashMap<K, V> newMap (Map<? extends K, ? extends V> map)
+    {
+        return new StreamableHashMap<K, V>(map);
+    }
+
+    /**
+     * Constructs an empty hash map with the specified number of hash buckets.
+     */
+    public StreamableHashMap (int buckets, float loadFactor)
+    {
+        super(buckets, loadFactor);
+    }
+
+    /**
+     * Constructs an empty hash map with the default number of hash buckets.
+     */
+    public StreamableHashMap ()
+    {
+        super();
+    }
+
+    /**
+     * Constructs a hash map with the default number of hash buckets, populated with the same
+     * values as the provided Map.
+     */
+    public StreamableHashMap (Map<? extends K, ? extends V> map)
+    {
+        super(map);
+    }
+
+    /**
+     * Writes our custom streamable fields.
+     */
+    public void writeObject (ObjectOutputStream out)
+        throws IOException
+    {
+        int ecount = size();
+        out.writeInt(ecount);
+        for (Map.Entry<K, V> entry : entrySet()) {
+            out.writeObject(entry.getKey());
+            out.writeObject(entry.getValue());
+        }
+    }
+
+    /**
+     * Reads our custom streamable fields.
+     */
+    public void readObject (ObjectInputStream in)
+        throws IOException, ClassNotFoundException
+    {
+        int ecount = in.readInt();
+        for (int ii = 0; ii < ecount; ii++) {
+            @SuppressWarnings("unchecked") K key = (K)in.readObject();
+            @SuppressWarnings("unchecked") V value = (V)in.readObject();
+            put(key, value);
+        }
+    }
+}