Created rulesets for parsing scene models.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@679 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/whirled/spot/tools/xml/SpotSceneRuleSet.java

@@ -0,0 +1,51 @@
+//
+// $Id: SpotSceneRuleSet.java,v 1.1 2001/11/29 19:31:52 mdb Exp $
+
+package com.threerings.whirled.tools.spot.xml;
+
+import org.apache.commons.digester.Digester;
+import org.apache.commons.digester.RuleSetBase;
+
+import com.samskivert.xml.SetFieldRule;
+
+import com.threerings.whirled.spot.data.SpotSceneModel;
+import com.threerings.whirled.tools.xml.SceneRuleSet;
+
+/**
+ * Used to parse a {@link SpotSceneModel} from XML.
+ */
+public class SpotSceneRuleSet extends SceneRuleSet
+{
+    /**
+     * Adds the necessary rules to the digester to parse our miso scene
+     * data.
+     */
+    public void addRuleInstances (Digester digester)
+    {
+        super.addRuleInstances(digester);
+
+        // add extra rules for the spot scene model fields
+        digester.addRule(_prefix + "/locationIds",
+                         new SetFieldRule(digester, "locationIds"));
+        digester.addRule(_prefix + "/locationX",
+                         new SetFieldRule(digester, "locationX"));
+        digester.addRule(_prefix + "/locationY",
+                         new SetFieldRule(digester, "locationY"));
+        digester.addRule(_prefix + "/locationOrients",
+                         new SetFieldRule(digester, "locationOrients"));
+        digester.addRule(_prefix + "/locationClusters",
+                         new SetFieldRule(digester, "locationClusters"));
+        digester.addRule(_prefix + "/defaultEntranceId",
+                         new SetFieldRule(digester, "defaultEntranceId"));
+        digester.addRule(_prefix + "/portalIds",
+                         new SetFieldRule(digester, "portalIds"));
+        digester.addRule(_prefix + "/targetLocIds",
+                         new SetFieldRule(digester, "targetLocIds"));
+    }
+
+    // documentation inherited
+    protected Class getSceneModelClass ()
+    {
+        return SpotSceneModel.class;
+    }
+}

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

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+//
+// $Id: SceneRuleSet.java,v 1.1 2001/11/29 19:31:52 mdb Exp $
+
+package com.threerings.whirled.tools.xml;
+
+import org.apache.commons.digester.Digester;
+import org.apache.commons.digester.RuleSetBase;
+
+import com.samskivert.xml.SetFieldRule;
+
+import com.threerings.whirled.data.SceneModel;
+
+/**
+ * Used to parse a {@link SceneModel} from XML.
+ */
+public class SceneRuleSet extends RuleSetBase
+{
+    /**
+     * Configures this scene rule set to match scenes with the supplied
+     * prefix. For example, passing <code>scene</code> will match the
+     * scene in the following XML file:
+     *
+     * <pre>
+     * &lt;scene&gt;
+     *   &lt;sceneId&gt;50&lt;/sceneId&gt;
+     *   &lt;version&gt;50&lt;/version&gt;
+     *   &lt;!-- ... --&gt;
+     * &lt;/scene&gt;
+     * </pre>
+     */
+    public void setPrefix (String prefix)
+    {
+        _prefix = prefix;
+    }
+
+    /**
+     * Adds the necessary rules to the digester to parse our miso scene
+     * data.
+     */
+    public void addRuleInstances (Digester digester)
+    {
+        // this creates the appropriate instance when we encounter our
+        // prefix tag
+        digester.addObjectCreate(_prefix, getSceneModelClass().getName());
+
+        // set up rules to parse and set our fields
+        digester.addRule(_prefix + "/sceneId",
+                         new SetFieldRule(digester, "sceneId"));
+        digester.addRule(_prefix + "/version",
+                         new SetFieldRule(digester, "version"));
+        digester.addRule(_prefix + "/neighborIds",
+                         new SetFieldRule(digester, "neighborIds"));
+    }
+
+    /**
+     * This indicates the class (which should derive from {@link
+     * SceneModel}) to be instantiated during the parsing process.
+     */
+    protected Class getSceneModelClass ()
+    {
+        return SceneModel.class;
+    }
+
+    /** The prefix at which me match our scenes. */
+    protected String _prefix = DEFAULT_SCENE_PREFIX;
+
+    /** The default prefix which matches &lt;scene&gt;. */
+    protected static final String DEFAULT_SCENE_PREFIX = "scene";
+}