/
Log4JMetricsFileWriter.java
78 lines (63 loc) · 3.14 KB
/
Log4JMetricsFileWriter.java
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
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.servicecomb.samples.mwf;
import java.nio.file.Paths;
import java.util.Map;
import org.apache.log4j.Level;
import org.apache.log4j.Logger;
import org.apache.log4j.PatternLayout;
import org.apache.log4j.RollingFileAppender;
import org.apache.log4j.spi.LoggingEvent;
import org.apache.servicecomb.foundation.common.concurrent.ConcurrentHashMapEx;
import org.springframework.stereotype.Component;
import com.netflix.config.DynamicPropertyFactory;
@Component
public class Log4JMetricsFileWriter implements MetricsFileWriter {
private static final String METRICS_FILE_ROLLING_MAX_FILE_COUNT = "servicecomb.metrics.file.rolling.max_file_count";
private static final String METRICS_FILE_ROLLING_MAX_FILE_SIZE = "servicecomb.metrics.file.rolling.max_file_size";
private static final String METRICS_FILE_ROOT_PATH = "servicecomb.metrics.file.root_path";
private final Map<String, RollingFileAppender> fileAppenders = new ConcurrentHashMapEx<>();
private final int maxFileCount;
private final String maxFileSize;
private final String rootPath;
public Log4JMetricsFileWriter() {
maxFileCount = DynamicPropertyFactory.getInstance().getIntProperty(METRICS_FILE_ROLLING_MAX_FILE_COUNT, 10).get();
maxFileSize = DynamicPropertyFactory.getInstance()
.getStringProperty(METRICS_FILE_ROLLING_MAX_FILE_SIZE, "10MB")
.get();
rootPath = DynamicPropertyFactory.getInstance().getStringProperty(METRICS_FILE_ROOT_PATH, "target").get();
}
@Override
public void write(String loggerName, String filePrefix, String content) {
RollingFileAppender logger = fileAppenders.computeIfAbsent(loggerName, f -> initLogger(loggerName, filePrefix));
LoggingEvent event = new LoggingEvent(loggerName, Logger.getLogger(loggerName), Level.ALL,
content, null);
logger.append(event);
}
private RollingFileAppender initLogger(String loggerName, String filePrefix) {
String fileName = Paths.get(rootPath, filePrefix + "." + loggerName + ".dat").toString();
RollingFileAppender fileAppender = new RollingFileAppender();
fileAppender.setName(loggerName);
fileAppender.setFile(fileName);
fileAppender.setLayout(new PatternLayout("%m%n"));
fileAppender.setAppend(true);
fileAppender.setMaxFileSize(maxFileSize);
fileAppender.setMaxBackupIndex(maxFileCount);
fileAppender.activateOptions();
return fileAppender;
}
}