adressevedligehold/tasks/TaskLogger.java

package dk.daoas.adressevedligehold.tasks;

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.logging.Level;

import org.apache.commons.lang3.exception.ExceptionUtils;


public class TaskLogger {
        
        private StringBuilder buffer = new StringBuilder(1 * 1024 * 1024);// Reserve 1MB
        private SimpleDateFormat format = new SimpleDateFormat("HH:mm:ss.SSS");
        
        
        public String getBuffer() {
                synchronized(buffer) {
                        return buffer.toString();
                }
        }
        
        public void reset() {
                synchronized(buffer) {
                        buffer.setLength(0);
                }
        }
        
        public void log(Level lvl, String msg) {
                log("[" + lvl.toString() + "] " + msg);
        }
        
        public void log(Level lvl, String msg, Exception e) {
                log("[" + lvl.toString() + "] " + msg + "\n" + ExceptionUtils.getStackTrace(e) );
        }
        
        public void warning(String msg) {
                log(Level.WARNING, msg);
        }
        
        public void warning(String msg, Exception e) {
                log(Level.WARNING, msg, e);
        }
        
        public void info(String msg) {
                log(Level.INFO, msg);
        }
        
        public void fine(String msg) {
                log(Level.FINE, msg);
        }
        
        private void log(String msg) {
                String time = getTimeString();
                String line = "[" + time + "] " + msg + "\n";
                
                System.out.println(line);
                
                synchronized(buffer) {
                        buffer.append(line);
                }
        }
        
        private String getTimeString() {
                return format.format( new Date() );
        }
        
        
        /* *******************************************************
         * Singleton
         */
        private static TaskLogger instance = null;
        private TaskLogger() {          
        }
        
        public static TaskLogger getInstance() {
                if (instance == null) {
                        instance = new TaskLogger();
                }
                
                return instance;
        }
        
}
1	package dk.daoas.adressevedligehold.tasks;
2
3	import java.text.SimpleDateFormat;
4	import java.util.Date;
5	import java.util.logging.Level;
6
7	import org.apache.commons.lang3.exception.ExceptionUtils;
8
9
10	public class TaskLogger {
11
12	private StringBuilder buffer = new StringBuilder(1 * 1024 * 1024);// Reserve 1MB
13	private SimpleDateFormat format = new SimpleDateFormat("HH:mm:ss.SSS");
14
15
16
17	public String getBuffer() {
18	synchronized(buffer) {
19	return buffer.toString();
20	}
21	}
22
23	public void reset() {
24	synchronized(buffer) {
25	buffer.setLength(0);
26	}
27	}
28
29	public void log(Level lvl, String msg) {
30	log("[" + lvl.toString() + "] " + msg);
31	}
32
33	public void log(Level lvl, String msg, Exception e) {
34	log("[" + lvl.toString() + "] " + msg + "\n" + ExceptionUtils.getStackTrace(e) );
35	}
36
37	public void warning(String msg) {
38	log(Level.WARNING, msg);
39	}
40
41	public void warning(String msg, Exception e) {
42	log(Level.WARNING, msg, e);
43	}
44
45	public void info(String msg) {
46	log(Level.INFO, msg);
47	}
48
49	public void fine(String msg) {
50	log(Level.FINE, msg);
51	}
52
53	private void log(String msg) {
54	String time = getTimeString();
55	String line = "[" + time + "] " + msg + "\n";
56
57	System.out.println(line);
58
59	synchronized(buffer) {
60	buffer.append(line);
61	}
62	}
63
64	private String getTimeString() {
65	return format.format( new Date() );
66	}
67
68
69	/* *******************************************************
70	* Singleton
71	*/
72	private static TaskLogger instance = null;
73	private TaskLogger() {
74	}
75
76	public static TaskLogger getInstance() {
77	if (instance == null) {
78	instance = new TaskLogger();
79	}
80
81	return instance;
82	}
83
84	}