blob: 4db2ec6f08407a959c325fb067394665fa5cc69e (
plain)
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
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
|
/*
* Copyright 2012 - 2018 Anton Tananaev (anton@traccar.org)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.traccar.helper;
import org.traccar.Config;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.io.Writer;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.logging.ConsoleHandler;
import java.util.logging.Formatter;
import java.util.logging.Handler;
import java.util.logging.Level;
import java.util.logging.LogRecord;
import java.util.logging.Logger;
public final class Log {
private Log() {
}
private static final String STACK_PACKAGE = "org.traccar";
private static final int STACK_LIMIT = 3;
private static class RollingFileHandler extends Handler {
private String name;
private String suffix;
private Writer writer;
RollingFileHandler(String name) {
this.name = name;
}
@Override
public synchronized void publish(LogRecord record) {
if (isLoggable(record)) {
try {
String suffix = new SimpleDateFormat("yyyyMMdd").format(new Date(record.getMillis()));
if (writer != null && !suffix.equals(this.suffix)) {
writer.close();
writer = null;
new File(name).renameTo(new File(name + "." + this.suffix));
}
if (writer == null) {
this.suffix = suffix;
writer = new BufferedWriter(new FileWriter(name, true));
}
writer.write(getFormatter().format(record));
writer.flush();
} catch (IOException e) {
throw new RuntimeException(e);
}
}
}
@Override
public void flush() {
if (writer != null) {
try {
writer.flush();
} catch (IOException e) {
throw new RuntimeException(e);
}
}
}
@Override
public void close() throws SecurityException {
if (writer != null) {
try {
writer.close();
} catch (IOException e) {
throw new RuntimeException(e);
}
}
}
}
public static class LogFormatter extends Formatter {
private boolean fullStackTraces;
LogFormatter(boolean fullStackTraces) {
this.fullStackTraces = fullStackTraces;
}
private static String formatLevel(Level level) {
switch (level.getName()) {
case "FINEST":
return "TRACE";
case "FINER":
case "FINE":
case "CONFIG":
return "DEBUG";
case "INFO":
return "INFO";
case "WARNING":
return "WARN";
case "SEVERE":
default:
return "ERROR";
}
}
@Override
public String format(LogRecord record) {
StringBuilder message = new StringBuilder();
if (record.getMessage() != null) {
message.append(record.getMessage());
}
if (record.getThrown() != null) {
if (message.length() > 0) {
message.append(" - ");
}
if (fullStackTraces) {
StringWriter stringWriter = new StringWriter();
PrintWriter printWriter = new PrintWriter(stringWriter);
record.getThrown().printStackTrace(printWriter);
message.append(System.lineSeparator()).append(stringWriter.toString());
} else {
message.append(exceptionStack(record.getThrown()));
}
}
return String.format("%1$tF %1$tT %2$5s: %3$s%n",
new Date(record.getMillis()), formatLevel(record.getLevel()), message.toString());
}
}
public static void setupLogger(Config config) {
Logger rootLogger = Logger.getLogger("");
for (Handler handler : rootLogger.getHandlers()) {
rootLogger.removeHandler(handler);
}
Handler handler;
if (config.getBoolean("logger.console")) {
handler = new ConsoleHandler();
} else {
handler = new RollingFileHandler(config.getString("logger.file"));
}
handler.setFormatter(new LogFormatter(config.getBoolean("logger.fullStackTraces")));
Level level = Level.parse(config.getString("logger.level").toUpperCase());
rootLogger.setLevel(level);
handler.setLevel(level);
handler.setFilter(record -> record != null && !record.getLoggerName().startsWith("sun"));
rootLogger.addHandler(handler);
}
public static String exceptionStack(Throwable exception) {
StringBuilder s = new StringBuilder();
String exceptionMsg = exception.getMessage();
if (exceptionMsg != null) {
s.append(exceptionMsg);
s.append(" - ");
}
s.append(exception.getClass().getSimpleName());
StackTraceElement[] stack = exception.getStackTrace();
if (stack.length > 0) {
int count = STACK_LIMIT;
boolean first = true;
boolean skip = false;
String file = "";
s.append(" (");
for (StackTraceElement element : stack) {
if (count > 0 && element.getClassName().startsWith(STACK_PACKAGE)) {
if (!first) {
s.append(" < ");
} else {
first = false;
}
if (skip) {
s.append("... < ");
skip = false;
}
if (file.equals(element.getFileName())) {
s.append("*");
} else {
file = element.getFileName();
s.append(file.substring(0, file.length() - 5)); // remove ".java"
count -= 1;
}
s.append(":").append(element.getLineNumber());
} else {
skip = true;
}
}
if (skip) {
if (!first) {
s.append(" < ");
}
s.append("...");
}
s.append(")");
}
return s.toString();
}
}
|
