001
014
015 package com.liferay.util.log4j;
016
017 import com.liferay.portal.kernel.io.unsync.UnsyncByteArrayOutputStream;
018 import com.liferay.portal.kernel.log.LogFactory;
019 import com.liferay.portal.kernel.log.LogFactoryUtil;
020 import com.liferay.portal.kernel.util.PropsKeys;
021 import com.liferay.portal.kernel.util.PropsUtil;
022 import com.liferay.portal.kernel.util.ServerDetector;
023 import com.liferay.portal.kernel.util.StreamUtil;
024 import com.liferay.portal.kernel.util.StringPool;
025 import com.liferay.portal.kernel.util.StringUtil;
026
027 import java.io.IOException;
028 import java.io.InputStream;
029 import java.io.Reader;
030 import java.io.StringReader;
031
032 import java.net.URL;
033
034 import java.util.Enumeration;
035 import java.util.HashMap;
036 import java.util.HashSet;
037 import java.util.List;
038 import java.util.Map;
039 import java.util.Set;
040 import java.util.concurrent.ConcurrentHashMap;
041
042 import org.apache.log4j.Appender;
043 import org.apache.log4j.Level;
044 import org.apache.log4j.LogManager;
045 import org.apache.log4j.Logger;
046 import org.apache.log4j.WriterAppender;
047 import org.apache.log4j.xml.DOMConfigurator;
048
049 import org.dom4j.Document;
050 import org.dom4j.Element;
051 import org.dom4j.io.SAXReader;
052
053
057 public class Log4JUtil {
058
059 public static void configureLog4J(ClassLoader classLoader) {
060 configureLog4J(classLoader.getResource("META-INF/portal-log4j.xml"));
061
062 try {
063 Enumeration<URL> enu = classLoader.getResources(
064 "META-INF/portal-log4j-ext.xml");
065
066 while (enu.hasMoreElements()) {
067 configureLog4J(enu.nextElement());
068 }
069 }
070 catch (IOException ioe) {
071 java.util.logging.Logger logger =
072 java.util.logging.Logger.getLogger(Log4JUtil.class.getName());
073
074 logger.log(
075 java.util.logging.Level.WARNING,
076 "Unable to load portal-log4j-ext.xml", ioe);
077 }
078
079 if (ServerDetector.isJBoss5()) {
080 Logger rootLogger = LogManager.getRootLogger();
081
082 Enumeration<Appender> enu = rootLogger.getAllAppenders();
083
084 while (enu.hasMoreElements()) {
085 Appender appender = enu.nextElement();
086
087 if (appender instanceof WriterAppender) {
088 WriterAppender writerAppender = (WriterAppender)appender;
089
090 writerAppender.activateOptions();
091 }
092 }
093 }
094 }
095
096 public static void configureLog4J(URL url) {
097 if (url == null) {
098 return;
099 }
100
101 String urlContent = _getURLContent(url);
102
103 if (urlContent == null) {
104 return;
105 }
106
107
108
109 DOMConfigurator domConfigurator = new DOMConfigurator();
110
111 Reader urlReader = new StringReader(urlContent);
112
113 domConfigurator.doConfigure(
114 urlReader, LogManager.getLoggerRepository());
115
116 Set<String> currentLoggerNames = new HashSet<String>();
117
118 Enumeration<Logger> enu = LogManager.getCurrentLoggers();
119
120 while (enu.hasMoreElements()) {
121 Logger logger = enu.nextElement();
122
123 currentLoggerNames.add(logger.getName());
124 }
125
126 try {
127 SAXReader saxReader = new SAXReader();
128
129 Reader reader = new StringReader(urlContent);
130
131 Document document = saxReader.read(reader, url.toExternalForm());
132
133 Element rootElement = document.getRootElement();
134
135 List<Element> categoryElements = rootElement.elements("category");
136
137 for (Element categoryElement : categoryElements) {
138 String name = categoryElement.attributeValue("name");
139
140 Element priorityElement = categoryElement.element("priority");
141
142 String priority = priorityElement.attributeValue("value");
143
144 setLevel(name, priority, false);
145 }
146 }
147 catch (Exception e) {
148 e.printStackTrace();
149 }
150 }
151
152 public static Map<String, String> getCustomLogSettings() {
153 return new HashMap<String, String>(_customLogSettings);
154 }
155
156 public static String getOriginalLevel(String className) {
157 Level level = Level.ALL;
158
159 Enumeration<Logger> enu = LogManager.getCurrentLoggers();
160
161 while (enu.hasMoreElements()) {
162 Logger logger = enu.nextElement();
163
164 if (className.equals(logger.getName())) {
165 level = logger.getLevel();
166
167 break;
168 }
169 }
170
171 return level.toString();
172 }
173
174 public static void initLog4J(
175 String serverId, String liferayHome, ClassLoader classLoader,
176 LogFactory logFactory, Map<String, String> customLogSettings) {
177
178 ServerDetector.init(serverId);
179
180 _liferayHome = liferayHome;
181
182 configureLog4J(classLoader);
183
184 try {
185 LogFactoryUtil.setLogFactory(logFactory);
186 }
187 catch (Exception e) {
188 e.printStackTrace();
189 }
190
191 for (String name : customLogSettings.keySet()) {
192 String priority = customLogSettings.get(name);
193
194 setLevel(name, priority, false);
195 }
196 }
197
198 public static void setLevel(String name, String priority, boolean custom) {
199 Logger logger = Logger.getLogger(name);
200
201 logger.setLevel(Level.toLevel(priority));
202
203 java.util.logging.Logger jdkLogger = java.util.logging.Logger.getLogger(
204 name);
205
206 jdkLogger.setLevel(_getJdkLevel(priority));
207
208 if (custom) {
209 _customLogSettings.put(name, priority);
210 }
211 }
212
213
217 private static byte[] _getBytes(InputStream inputStream)
218 throws IOException {
219
220 UnsyncByteArrayOutputStream unsyncByteArrayOutputStream =
221 new UnsyncByteArrayOutputStream();
222
223 StreamUtil.transfer(inputStream, unsyncByteArrayOutputStream, -1, true);
224
225 return unsyncByteArrayOutputStream.toByteArray();
226 }
227
228 private static java.util.logging.Level _getJdkLevel(String priority) {
229 if (priority.equalsIgnoreCase(Level.DEBUG.toString())) {
230 return java.util.logging.Level.FINE;
231 }
232 else if (priority.equalsIgnoreCase(Level.ERROR.toString())) {
233 return java.util.logging.Level.SEVERE;
234 }
235 else if (priority.equalsIgnoreCase(Level.WARN.toString())) {
236 return java.util.logging.Level.WARNING;
237 }
238 else {
239 return java.util.logging.Level.INFO;
240 }
241 }
242
243 private static String _getLiferayHome() {
244 if (_liferayHome == null) {
245 _liferayHome = PropsUtil.get(PropsKeys.LIFERAY_HOME);
246 }
247
248 return _liferayHome;
249 }
250
251 private static String _getURLContent(URL url) {
252 Map<String, String> variables = new HashMap<String, String>();
253
254 variables.put("liferay.home", _getLiferayHome());
255
256 String urlContent = null;
257
258 InputStream inputStream = null;
259
260 try {
261 inputStream = url.openStream();
262
263 byte[] bytes = _getBytes(inputStream);
264
265 urlContent = new String(bytes, StringPool.UTF8);
266 }
267 catch (Exception e) {
268 e.printStackTrace();
269
270 return null;
271 }
272 finally {
273 StreamUtil.cleanUp(inputStream);
274 }
275
276 for (Map.Entry<String, String> variable : variables.entrySet()) {
277 urlContent = urlContent.replaceAll(
278 "@" + variable.getKey() + "@", variable.getValue());
279 }
280
281 if (ServerDetector.getServerId() != null) {
282 return urlContent;
283 }
284
285 int x = urlContent.indexOf("<appender name=\"FILE\"");
286
287 int y = urlContent.indexOf("</appender>", x);
288
289 if (y != -1) {
290 y = urlContent.indexOf("<", y + 1);
291 }
292
293 if ((x != -1) && (y != -1)) {
294 urlContent = urlContent.substring(0, x) + urlContent.substring(y);
295 }
296
297 urlContent = StringUtil.replace(
298 urlContent, "<appender-ref ref=\"FILE\" />", StringPool.BLANK);
299
300 return urlContent;
301 }
302
303 private static Map<String, String> _customLogSettings =
304 new ConcurrentHashMap<String, String>();
305 private static String _liferayHome;
306
307 }