Abstracted code that parses XML configuration definitions into Java

objects which are then serialized for rapid loading and simple utilization
by the client and server; created serialized config services for our
character component constraints (what components are available at
character creation time, etc.).


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@1101 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/util/CompiledConfig.java

@@ -0,0 +1,43 @@
+//
+// $Id: CompiledConfig.java,v 1.1 2002/03/08 06:15:21 mdb Exp $
+
+package com.threerings.yohoho.util;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.io.Serializable;
+
+/**
+ * Used to load and store compiled configuration data (generally XML files
+ * that are parsed into Java object models and then serialized for rapid
+ * and simple access on the client and server).
+ */
+public class CompiledConfig
+{
+    /**
+     * Unserializes a configuration object from the supplied input stream.
+     */
+    public static Serializable loadConfig (InputStream source)
+        throws IOException, ClassNotFoundException
+    {
+        ObjectInputStream oin = new ObjectInputStream(source);
+        return (Serializable)oin.readObject();
+    }
+
+    /**
+     * Serializes the supplied configuration object to the specified file
+     * path.
+     */
+    public static void saveConfig (File target, Serializable config)
+        throws IOException
+    {
+        FileOutputStream fout = new FileOutputStream(target);
+        ObjectOutputStream oout = new ObjectOutputStream(fout);
+        oout.writeObject(config);
+        oout.close();
+    }
+}