1
14
15 package com.liferay.util.log4j;
16
17 import java.net.URL;
18
19 import java.util.Enumeration;
20 import java.util.HashSet;
21 import java.util.Iterator;
22 import java.util.Set;
23
24 import org.apache.log4j.Level;
25 import org.apache.log4j.LogManager;
26 import org.apache.log4j.Logger;
27 import org.apache.log4j.xml.DOMConfigurator;
28
29 import org.dom4j.Document;
30 import org.dom4j.Element;
31 import org.dom4j.io.SAXReader;
32
33
38 public class Log4JUtil {
39
40 public static void configureLog4J(URL url) {
41 if (url == null) {
42 return;
43 }
44
45 DOMConfigurator.configure(url);
46
47 Set<String> currentLoggerNames = new HashSet<String>();
48
49 Enumeration<Logger> enu = LogManager.getCurrentLoggers();
50
51 while (enu.hasMoreElements()) {
52 Logger logger = enu.nextElement();
53
54 currentLoggerNames.add(logger.getName());
55 }
56
57 try {
58 SAXReader reader = new SAXReader();
59
60 Document doc = reader.read(url);
61
62 Element root = doc.getRootElement();
63
64 Iterator<Element> itr = root.elements("category").iterator();
65
66 while (itr.hasNext()) {
67 Element category = itr.next();
68
69 String name = category.attributeValue("name");
70 String priority =
71 category.element("priority").attributeValue("value");
72
73 setLevel(name, priority);
74 }
75 }
76 catch (Exception e) {
77 e.printStackTrace();
78 }
79 }
80
81 public static void setLevel(String name, String priority) {
82 Logger logger = Logger.getLogger(name);
83
84 logger.setLevel(Level.toLevel(priority));
85
86 java.util.logging.Logger jdkLogger = java.util.logging.Logger.getLogger(
87 name);
88
89 jdkLogger.setLevel(_getJdkLevel(priority));
90 }
91
92 private static java.util.logging.Level _getJdkLevel(String priority) {
93 if (priority.equalsIgnoreCase(Level.DEBUG.toString())) {
94 return java.util.logging.Level.FINE;
95 }
96 else if (priority.equalsIgnoreCase(Level.ERROR.toString())) {
97 return java.util.logging.Level.SEVERE;
98 }
99 else if (priority.equalsIgnoreCase(Level.WARN.toString())) {
100 return java.util.logging.Level.WARNING;
101 }
102 else {
103 return java.util.logging.Level.INFO;
104 }
105 }
106
107 }