Remove proprietary Logging class and added Java Logging util class

src/zutil/log/LogUtil.java

@@ -0,0 +1,66 @@
+package zutil.log;
+
+import java.util.logging.Formatter;
+import java.util.logging.Handler;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+/**
+ * Utility functions for the standard Java Logger
+ * 
+ * @author Ziver
+ */
+public class LogUtil {
+	private LogUtil(){}
+	
+	/**
+	 * @return a new Logger for the calling class
+	 */
+	public static Logger getLogger(){
+		return Logger.getLogger(getCalingClass());
+	}
+	
+	/**
+	 * @return the parent class other than Logger in the stack
+	 */
+	public static String getCalingClass(){
+		StackTraceElement[] stackTraceElements = Thread.currentThread().getStackTrace();
+		for(int i=1; i<stackTraceElements.length ;++i){
+			String name = stackTraceElements[i].getClassName();
+			//name = name.substring( name.lastIndexOf('.')+1 );
+			if( !name.equals( LogUtil.class.getName() ) )
+				return name;
+		}
+		return null;
+	}
+	
+	/**
+	 * Sets the global log formatter to the specified one
+	 * 
+	 * @param f is the formatter class
+	 */
+	public static void setGlobalFormatter(Formatter f){
+		Logger root = Logger.getLogger("");
+		for (Handler handler : root.getHandlers()) {
+			handler.setFormatter(f);
+	    }
+	}
+	
+	/**
+	 * Sets the global log level
+	 */
+	public static void setGlobalLogLevel(Level level){
+		setLevel("", level);
+	}
+	
+	/**
+	 * Sets the log level for a specified logger
+	 */
+	public static void setLevel(String name, Level level){
+		Logger root = Logger.getLogger("");
+		root.setLevel(level);
+		for (Handler handler : root.getHandlers()) {
+			handler.setLevel(level);
+	    }
+	}
+}