Behold Vilya, Ring of Air and repository for our game and virtual worldly

extensions to the distributed environment provided by Narya.


git-svn-id: svn+ssh://src.earth.threerings.net/vilya/trunk@1 c613c5cb-e716-0410-b11b-feb51c14d237

src/java/com/threerings/whirled/tools/xml/SceneRuleSet.java

@@ -0,0 +1,60 @@
+//
+// $Id: SceneRuleSet.java 4191 2006-06-13 22:42:20Z ray $
+//
+// Narya library - tools for developing networked games
+// Copyright (C) 2002-2004 Three Rings Design, Inc., All Rights Reserved
+// http://www.threerings.net/code/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.whirled.tools.xml;
+
+import org.apache.commons.digester.Digester;
+
+import com.samskivert.xml.SetPropertyFieldsRule;
+
+import com.threerings.tools.xml.NestableRuleSet;
+import com.threerings.whirled.data.SceneModel;
+
+/**
+ * Used to parse a {@link SceneModel} from XML.
+ */
+public class SceneRuleSet implements NestableRuleSet
+{
+    // documentation inherited from interface
+    public String getOuterElement ()
+    {
+        return SceneWriter.OUTER_ELEMENT;
+    }
+
+    // documentation inherited from interface
+    public void addRuleInstances (String prefix, Digester digester)
+    {
+        // this creates the appropriate instance when we encounter our tag
+        digester.addObjectCreate(prefix, getSceneClass().getName());
+
+        // set up rules to parse and set our fields
+        digester.addRule(prefix, new SetPropertyFieldsRule());
+    }
+
+    /**
+     * This indicates the class (which should extend {@link SceneModel})
+     * to be instantiated during the parsing process.
+     */
+    protected Class getSceneClass ()
+    {
+        return SceneModel.class;
+    }
+}