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1
8
9 package mx4j.log;
10
11
16 public class Logger
17 {
18 public static final int TRACE = 0;
19 public static final int DEBUG = TRACE + 10;
20 public static final int INFO = DEBUG + 10;
21 public static final int WARN = INFO + 10;
22 public static final int ERROR = WARN + 10;
23 public static final int FATAL = ERROR + 10;
24
25 private int m_priority = WARN;
26 private String  m_category;
27
28 protected Logger()
29 {
30 }
31
32 public void setPriority(int priority)
33 {
34 m_priority = priority;
35 }
36
37 public int getPriority()
38 {
39 return m_priority;
40 }
41
42 public String getCategory()
43 {
44 return m_category;
45 }
46
47 protected void setCategory(String category)
48 {
49 m_category = category;
50 }
51
52 public final boolean isEnabledFor(int priority)
53 {
54 return priority >= getPriority();
55 }
56
57 public final void fatal(Object message)
58 {
59 log(FATAL, message, null);
60 }
61
62 public final void fatal(Object message, Throwable t)
63 {
64 log(FATAL, message, t);
65 }
66
67 public final void error(Object message)
68 {
69 log(ERROR, message, null);
70 }
71
72 public final void error(Object message, Throwable t)
73 {
74 log(ERROR, message, t);
75 }
76
77 public final void warn(Object message)
78 {
79 log(WARN, message, null);
80 }
81
82 public final void warn(Object message, Throwable t)
83 {
84 log(WARN, message, t);
85 }
86
87 public final void info(Object message)
88 {
89 log(INFO, message, null);
90 }
91
92 public final void info(Object message, Throwable t)
93 {
94 log(INFO, message, t);
95 }
96
97 public final void debug(Object message)
98 {
99 log(DEBUG, message, null);
100 }
101
102 public final void debug(Object message, Throwable t)
103 {
104 log(DEBUG, message, t);
105 }
106
107 public final void trace(Object message)
108 {
109 log(TRACE, message, null);
110 }
111
112 public final void trace(Object message, Throwable t)
113 {
114 log(TRACE, message, t);
115 }
116
117 protected void log(int priority, Object message, Throwable t)
118 {
119 if (isEnabledFor(priority))
120 {
121 System.out.println(message);
122 if (t != null)
123 {
124 t.printStackTrace(System.out);
125 }
126 }
127 }
128 }
129 |
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