1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
|
package uk.org.retep.util;
import java.io.CharArrayWriter;
import java.io.PrintWriter;
public class Logger
{
protected static int level;
protected static PrintWriter logger;
public static final int NONE = -1;
public static final int INFO = 0;
public static final int ERROR = 1;
public static final int DEBUG = 2;
public static final int ALL = 3;
static {
level = NONE;
logger = null;
};
private static final String levels[] = {
"INFO :",
"ERROR:",
"DEBUG:",
"ALL :"
};
public static void setLevel(int aLevel)
{
// Incase we have not yet set a logger
if(logger==null) {
logger = new PrintWriter(System.out);
}
if(aLevel<NONE) {
aLevel=NONE;
} else if(aLevel>ALL) {
aLevel=ALL;
}
level=aLevel;
if(level>NONE) {
log(INFO,"Log level changed to",level,levels[level]);
}
}
public static void setLogger(PrintWriter pw)
{
if(logger!=null) {
try {
logger.flush();
logger.close();
} catch(Exception ex) {
logger=pw;
log(ERROR,"Exception while closing logger",ex);
}
}
logger=pw;
}
public static void log(String msg)
{
log(INFO,msg);
}
public static void log(int aLevel,String msg)
{
write(aLevel,msg,null);
}
public static void log(int aLevel,String msg,int arg1)
{
Object o[] = {new Integer(arg1)};
write(aLevel,msg,o);
}
public static void log(int aLevel,String msg,int arg1,Object arg2)
{
Object o[] = {new Integer(arg1),arg2};
write(aLevel,msg,o);
}
public static void log(int aLevel,String msg,double arg1)
{
Object o[] = {new Double(arg1)};
write(aLevel,msg,o);
}
public static void log(int aLevel,String msg,double arg1,Object arg2)
{
Object o[] = {new Double(arg1),arg2};
write(aLevel,msg,o);
}
public static void log(int aLevel,String msg,Object arg1)
{
Object o[] = {arg1};
write(aLevel,msg,o);
}
public static void log(int aLevel,String msg,Object arg1,Object arg2)
{
Object o[] = {arg1,arg2};
write(aLevel,msg,o);
}
public static void log(int aLevel,String msg,Object arg1,Object arg2,Object arg3)
{
Object o[] = {arg1,arg2,arg3};
write(aLevel,msg,o);
}
public static void log(int aLevel,String msg,Throwable t)
{
CharArrayWriter buffer = new CharArrayWriter();
PrintWriter printWriter = new PrintWriter(buffer);
t.printStackTrace(printWriter);
Object o[] = {buffer.toString()};
buffer.close();
write(aLevel,msg,o);
}
private static void write(int aLevel,String aMsg,Object args[])
{
// Can't be above ALL
if(aLevel>ALL) {
aLevel=ALL;
}
// Ignore if below or equal to NONE
if(aLevel<INFO || aLevel>level) {
return;
}
logger.print("Logger:");
logger.print(levels[aLevel]);
logger.print(aMsg);
if(args!=null) {
for(int a=0;a<args.length;a++) {
logger.print(":");
logger.print(args[a]);
}
}
logger.println();
logger.flush();
}
}
|
