added sources for Slick

Former-commit-id: 1647fa32ef6894bd7db44f741f07c2f4dcdf9054
Former-commit-id: 0e5810dcfbe1fd59b13e7cabe9f1e93c5542da2d

lib/slick-source/org/newdawn/slick/muffin/Muffin.java

@@ -0,0 +1,29 @@
+package org.newdawn.slick.muffin;
+
+import java.io.IOException;
+import java.util.HashMap;
+
+/**
+ * A description of any class with the ability to store state locally
+ *
+ * @author kappaOne
+ */
+public interface Muffin {
+	/**
+	 * Save a file of data
+	 *  
+	 * @param data The data to store
+	 * @param fileName The name of the file to store it against
+	 * @throws IOException Indicates a failure to save the state 
+	 */
+	public abstract void saveFile(HashMap data, String fileName) throws IOException;
+	
+	/**
+	 * Load a file of data from the store
+	 * 
+	 * @param fileName The name of the file to retrieve
+	 * @return The data retrieved
+	 * @throws IOException Indicates a failure to load the state 
+	 */
+	public abstract HashMap loadFile(String fileName) throws IOException;
+}