Added logging framework

src/zutil/log/StandardLogFormatter.java

@@ -0,0 +1,98 @@
+package zutil.log;
+
+import java.text.SimpleDateFormat;
+import java.util.logging.Level;
+import java.util.regex.Pattern;
+
+public class StandardLogFormatter implements LogFormatter{
+	// The split pattern where the 
+	private static final Pattern splitter = Pattern.compile("\n");
+	// the stream should print time stamp
+	private boolean timeStamp = false;
+	//The time stamp style
+	private String timeStampString = "yyyy-MM-dd HH:mm:ss:SSS#";
+	// If displaying class names are enabled
+	private boolean className = true;
+	// Specifies the max length of the longest class name
+	private int max_class_name = 0;
+
+	
+	public String format(String source, Level level, String msg) {
+		StringBuilder data = new StringBuilder();
+		if( timeStamp && className ){
+			data.append( getTime() );
+			data.append( " " );
+			data.append( paddSourceName(source) );
+			data.append( ": " );
+		}
+		else if( timeStamp ){
+			data.append( getTime() );
+			data.append( " " );	
+		}
+		else if( className ){
+			data.append( paddSourceName(source) );
+			data.append( ": " );
+		}
+		
+		StringBuilder ret = new StringBuilder();
+		String[] array = splitter.split( msg );
+		for( int i=0; i<array.length ;++i ){
+			if( i!=0 )
+				ret.append( '\n' );
+			if( data.length() > 0 )
+				ret.append( data );
+			ret.append( array[i] );
+		}
+		return ret.toString();
+	}
+	
+	/**
+	 * If the formatter should add a time stamp in front of the log message
+	 * 
+	 * @param enable set to True to activate time stamp
+	 */
+	public void enableTimeStamp(boolean enable){
+		timeStamp = enable;
+	}
+
+	/**
+	 * The DateFormat to print in the time stamp
+	 * 
+	 * @param ts is the String to send to SimpleDateFormat
+	 */
+	public void setTimeStamp(String ts){
+		timeStampString = ts;
+	}
+
+	/**
+	 * @return the time stamp
+	 */
+	private String getTime(){
+		return (new SimpleDateFormat(timeStampString)).format(new java.util.Date()).toString();
+	}
+	
+	/**
+	 * If the formatter should add the class/source name in front of the log message
+	 * 
+	 * @param enable set to True to activate class/source name
+	 */
+	public void enableSourceName(boolean enable){
+		className = enable;
+	}
+	
+	/**
+	 * @return the Class name
+	 */
+	private String paddSourceName(String source){
+		if( source.length() > max_class_name )
+			max_class_name = source.length();
+		
+		StringBuilder sb = new StringBuilder( source );
+	    for( int i=source.length(); i<max_class_name; ++i ) {
+	        sb.append( ' ' ); 
+	    }
+	    return sb.toString();
+
+	}
+
+}