added sources for Slick

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

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

@@ -0,0 +1,74 @@
+package org.newdawn.slick.muffin;
+
+import java.io.EOFException;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.util.HashMap;
+
+import org.newdawn.slick.util.Log;
+
+/**
+ * An implementation of the muffin load/save mechanism based around using the
+ * local file system.
+ * 
+ * @author kappaOne
+ */
+public class FileMuffin implements Muffin {
+
+	/**
+	 * @see org.newdawn.slick.muffin.Muffin#saveFile(java.util.HashMap,
+	 *      java.lang.String)
+	 */
+	public void saveFile(HashMap scoreMap, String fileName) throws IOException {
+		String userHome = System.getProperty("user.home");
+		File file = new File(userHome);
+		file = new File(file, ".java");
+		if (!file.exists()) {
+			file.mkdir();
+		}
+
+		file = new File(file, fileName);
+		FileOutputStream fos = new FileOutputStream(file);
+		ObjectOutputStream oos = new ObjectOutputStream(fos);
+
+		// save hashMap
+		oos.writeObject(scoreMap);
+
+		oos.close();
+	}
+
+	/**
+	 * @see org.newdawn.slick.muffin.Muffin#loadFile(java.lang.String)
+	 */
+	public HashMap loadFile(String fileName) throws IOException {
+		HashMap hashMap = new HashMap();
+		String userHome = System.getProperty("user.home");
+
+		File file = new File(userHome);
+		file = new File(file, ".java");
+		file = new File(file, fileName);
+
+		if (file.exists()) {
+			try {
+				FileInputStream fis = new FileInputStream(file);
+				ObjectInputStream ois = new ObjectInputStream(fis);
+
+				hashMap = (HashMap) ois.readObject();
+
+				ois.close();
+
+			} catch (EOFException e) {
+				// End of the file reached, do nothing
+			} catch (ClassNotFoundException e) {
+				Log.error(e);
+				throw new IOException("Failed to pull state from store - class not found");
+			}
+		}
+
+		return hashMap;
+	}
+}