added sources for Slick

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

lib/slick-source/org/newdawn/slick/util/LogSystem.java

@@ -0,0 +1,60 @@
+package org.newdawn.slick.util;
+
+/**
+ * Plugin in interface for the logging of Slick
+ * 
+ * @author kevin
+ */
+public interface LogSystem {
+
+	/**
+	 * Log an error
+	 * 
+	 * @param message The message describing the error
+	 * @param e The exception causing the error
+	 */
+	public void error(String message, Throwable e);
+
+	/**
+	 * Log an error
+	 * 
+	 * @param e The exception causing the error
+	 */
+	public void error(Throwable e);
+
+	/**
+	 * Log an error
+	 * 
+	 * @param message The message describing the error
+	 */
+	public void error(String message);
+	
+	/**
+	 * Log a warning
+	 * 
+	 * @param message The message describing the warning
+	 */
+	public void warn(String message);
+
+	/**
+	 * Log a warning
+	 * 
+	 * @param message The message describing the warning
+	 * @param e The cause of the warning
+	 */
+	public void warn(String message, Throwable e);
+	
+	/**
+	 * Log an information message
+	 * 
+	 * @param message The message describing the infomation
+	 */
+	public void info(String message);
+
+	/**
+	 * Log a debug message
+	 * 
+	 * @param message The message describing the debug
+	 */
+	public void debug(String message);
+}