Implemented and/or cleaned up the XML scene writers.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@675 542714f4-19e9-0310-aa3c-eee0fc999fb1
2001-11-29 06:36:29 +00:00
parent f3eeae834a
commit 6bbce232b4
3 changed files with 123 additions and 6 deletions
@@ -0,0 +1,44 @@
+//
+// $Id: SceneWriter.java,v 1.1 2001/11/29 06:36:29 mdb Exp $
+
+package com.threerings.whirled.tools.xml;
+
+import org.xml.sax.SAXException;
+import com.megginson.sax.DataWriter;
+import com.samskivert.util.StringUtil;
+
+import com.threerings.whirled.data.SceneModel;
+
+/**
+ * Generates an XML representation of a {@link SceneModel}.
+ */
+public class SceneWriter
+{
+    /**
+     * Writes the data for the supplied {@link SceneModel} to the XML
+     * writer supplied. The writer will already be configured with the
+     * appropriate indentation level so that this writer can simply output
+     * its elements and allow the calling code to determine where in the
+     * greater scene description file the scene data should live.
+     */
+    public void writeScene (SceneModel model, DataWriter writer)
+        throws SAXException
+    {
+        writer.startElement("scene");
+        writeSceneData(model, writer);
+        writer.endElement("scene");
+    }
+
+    /**
+     * Writes just the scene data which is handy for derived classes which
+     * may wish to add their own scene data to the scene output.
+     */
+    protected void writeSceneData (SceneModel model, DataWriter writer)
+        throws SAXException
+    {
+        writer.dataElement("sceneId", Integer.toString(model.sceneId));
+        writer.dataElement("version", Integer.toString(model.version));
+        writer.dataElement("neighborIds",
+                           StringUtil.toString(model.neighborIds, "", ""));
+    }
+}