Source Code Cross Referenced for LogConfig.java in  » EJB-Server-resin-3.1.5 » resin » com » caucho » log » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » EJB Server resin 3.1.5 » resin » com.caucho.log 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
003:         *
004:         * This file is part of Resin(R) Open Source
005:         *
006:         * Each copy or derived work must preserve the copyright notice and this
007:         * notice unmodified.
008:         *
009:         * Resin Open Source is free software; you can redistribute it and/or modify
010:         * it under the terms of the GNU General Public License as published by
011:         * the Free Software Foundation; either version 2 of the License, or
012:         * (at your option) any later version.
013:         *
014:         * Resin Open Source is distributed in the hope that it will be useful,
015:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
016:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
017:         * of NON-INFRINGEMENT.  See the GNU General Public License for more
018:         * details.
019:         *
020:         * You should have received a copy of the GNU General Public License
021:         * along with Resin Open Source; if not, write to the
022:         *
023:         *   Free Software Foundation, Inc.
024:         *   59 Temple Place, Suite 330
025:         *   Boston, MA 02111-1307  USA
026:         *
027:         * @author Scott Ferguson
028:         */
029:
030:        package com.caucho.log;
031:
032:        import com.caucho.config.ConfigException;
033:        import com.caucho.config.types.RawString;
034:        import com.caucho.jmx.Jmx;
035:        import com.caucho.loader.CloseListener;
036:        import com.caucho.loader.Environment;
037:        import com.caucho.management.server.*;
038:        import com.caucho.util.L10N;
039:        import com.caucho.vfs.WriteStream;
040:
041:        import javax.annotation.PostConstruct;
042:        import javax.management.*;
043:        import java.util.ArrayList;
044:        import java.util.logging.Formatter;
045:        import java.util.logging.Handler;
046:        import java.util.logging.Level;
047:        import java.util.logging.Logger;
048:
049:        /**
050:         * Environment-specific configuration.
051:         */
052:        public class LogConfig extends RotateLog {
053:            private static final Logger log = Logger.getLogger(LogConfig.class
054:                    .getName());
055:            private static final L10N L = new L10N(LogConfig.class);
056:
057:            private ArrayList<Handler> _handlers;
058:            private Formatter _formatter;
059:            private String _timestamp;
060:
061:            private ArrayList<SubLogger> _subLoggers = new ArrayList<SubLogger>();
062:            private SubLogger _subLogger;
063:
064:            private String _mbeanName;
065:
066:            private boolean _isInit;
067:
068:            public LogConfig() {
069:                setTimestamp("[%Y/%m/%d %H:%M:%S.%s] ");
070:            }
071:
072:            /**
073:             * Sets the name of the logger to configure.
074:             *
075:             * @deprecated Use setName()
076:             */
077:            public void setId(String name) {
078:                // backward compat
079:                if (name.equals("/"))
080:                    name = "";
081:
082:                setName(name);
083:            }
084:
085:            /**
086:             * Sets the name of the logger to configure.
087:             */
088:            public void setName(String name) {
089:                getSubLogger().setName(name);
090:            }
091:
092:            /**
093:             * Returns the name of the logger to configure.
094:             */
095:            public String getName() {
096:                return getSubLogger().getName();
097:            }
098:
099:            /**
100:             * Sets the mbean-name of the logger to configure.
101:             */
102:            public void setMbeanName(String name) {
103:                _mbeanName = name;
104:            }
105:
106:            /**
107:             * Sets the use-parent-handlers
108:             */
109:            public void setUseParentHandlers(boolean useParentHandlers)
110:                    throws ConfigException {
111:                getSubLogger().setUseParentHandlers(useParentHandlers);
112:            }
113:
114:            /**
115:             * Sets the output level.
116:             */
117:            public void setLevel(String level) throws ConfigException {
118:                getSubLogger().setLevel(level);
119:
120:                if (_isInit && _handlers != null) {
121:                    for (Handler handler : _handlers) {
122:                        handler.setLevel(getSubLogger().getLevel());
123:                    }
124:                }
125:            }
126:
127:            /**
128:             * Sets the output level.
129:             */
130:            public String getLevel() {
131:                Level level = getSubLogger().getLevel();
132:
133:                if (level != null)
134:                    return level.getName();
135:                else
136:                    return Level.INFO.getName();
137:            }
138:
139:            /**
140:             * Sets the sublogger.
141:             */
142:            private SubLogger getSubLogger() {
143:                if (_subLogger == null) {
144:                    _subLogger = new SubLogger();
145:                    _subLoggers.add(_subLogger);
146:                }
147:
148:                return _subLogger;
149:            }
150:
151:            /**
152:             * Sets the timestamp.
153:             */
154:            public void setTimestamp(String timestamp) {
155:                _timestamp = timestamp;
156:            }
157:
158:            /**
159:             * A format string uses EL expressions and the EL variable `log', which is an
160:             * instance of LogRecord.
161:             */
162:            public void setFormat(RawString format) {
163:                if (_formatter == null) {
164:                    _formatter = new ELFormatter();
165:                }
166:
167:                if (_formatter instanceof  ELFormatter)
168:                    ((ELFormatter) _formatter).setFormat(format);
169:            }
170:
171:            /**
172:             * A format string uses EL expressions and the EL variable `log', which is an
173:             * instance of LogRecord.
174:             */
175:            public String getFormat() {
176:                if (_formatter != null && _formatter instanceof  ELFormatter)
177:                    return ((ELFormatter) _formatter).getFormat();
178:                else
179:                    return null;
180:            }
181:
182:            /**
183:             * Sets the formatter.
184:             */
185:            public void setFormatter(Formatter formatter) {
186:                _formatter = formatter;
187:            }
188:
189:            /**
190:             * Adds a handler
191:             */
192:            public void addHandler(Handler handler) {
193:                if (handler == null)
194:                    throw new NullPointerException();
195:
196:                if (_handlers == null)
197:                    _handlers = new ArrayList<Handler>();
198:
199:                _handlers.add(handler);
200:            }
201:
202:            /**
203:             * Returns the tag name.
204:             */
205:            public String getTagName() {
206:                return "log";
207:            }
208:
209:            /**
210:             * Adds a logger.
211:             */
212:            public void addLogger(LoggerConfig logger) {
213:            }
214:
215:            /**
216:             * Initialize the log.
217:             */
218:            @PostConstruct
219:            public void init() throws ConfigException, java.io.IOException {
220:                _isInit = true;
221:
222:                if (_handlers == null)
223:                    super .init();
224:
225:                if (_subLoggers.size() == 0)
226:                    getSubLogger();
227:
228:                if (_subLogger != null)
229:                    _subLogger.init();
230:
231:                if (_formatter instanceof  ELFormatter) {
232:                    ((ELFormatter) _formatter).init();
233:                }
234:
235:                WriteStream os = null;
236:
237:                if (_handlers == null) {
238:                    os = getRotateStream().getStream();
239:
240:                    if (_timestamp != null) {
241:                        TimestampFilter filter = new TimestampFilter();
242:                        filter.setTimestamp(_timestamp);
243:                        filter.setStream(os);
244:                        os = new WriteStream(filter);
245:                    }
246:
247:                    String encoding = System.getProperty("file.encoding");
248:
249:                    if (encoding != null)
250:                        os.setEncoding(encoding);
251:
252:                    os.setDisableClose(true);
253:                }
254:
255:                boolean hasCloseListener = false;
256:                for (int i = 0; i < _subLoggers.size(); i++) {
257:                    SubLogger subLogger = _subLoggers.get(i);
258:                    Logger logger = subLogger.getLogger();
259:
260:                    Level subLevel = subLogger.getLevel();
261:                    Level level = logger.getLevel();
262:
263:                    if (subLevel != null
264:                            && (level == null
265:                                    && subLevel.intValue() < Level.INFO
266:                                            .intValue() || level != null
267:                                    && subLevel.intValue() < level.intValue())) {
268:                        logger.setLevel(subLogger.getLevel());
269:                    }
270:
271:                    if (_handlers == null) {
272:                        StreamHandler handler = new StreamHandler(os);
273:                        handler.setFormatter(_formatter);
274:
275:                        _handlers = new ArrayList<Handler>();
276:                        _handlers.add(handler);
277:                    }
278:
279:                    for (int j = 0; j < _handlers.size(); j++) {
280:                        SubHandler subHandler = new SubHandler(_handlers.get(j));
281:
282:                        if (subLogger.getLevel() != null)
283:                            subHandler.setLevel(subLogger.getLevel());
284:
285:                        if (!(logger instanceof  EnvironmentLogger)) {
286:                            CloseListener listener = new CloseListener(
287:                                    subHandler);
288:
289:                            Environment.addClassLoaderListener(listener);
290:                        }
291:
292:                        logger.addHandler(subHandler);
293:                    }
294:                }
295:
296:                if (_mbeanName != null) {
297:                    try {
298:                        ObjectName objectName = Jmx.getObjectName(_mbeanName);
299:
300:                        Jmx.register(new LogAdmin(), objectName,
301:                                LoggerMXBean.class);
302:                    } catch (Throwable e) {
303:                        log.log(Level.WARNING, e.toString(), e);
304:                    }
305:                }
306:            }
307:
308:            static Level toLevel(String level) throws ConfigException {
309:                if (level.equals("off"))
310:                    return Level.OFF;
311:                else if (level.equals("severe"))
312:                    return Level.SEVERE;
313:                else if (level.equals("warning"))
314:                    return Level.WARNING;
315:                else if (level.equals("info"))
316:                    return Level.INFO;
317:                else if (level.equals("config"))
318:                    return Level.CONFIG;
319:                else if (level.equals("fine"))
320:                    return Level.FINE;
321:                else if (level.equals("finer"))
322:                    return Level.FINER;
323:                else if (level.equals("finest"))
324:                    return Level.FINEST;
325:                else if (level.equals("all"))
326:                    return Level.ALL;
327:                else
328:                    throw new ConfigException(
329:                            L
330:                                    .l(
331:                                            "`{0}' is an unknown log level.  Log levels are:\noff - disable logging\nsevere - severe errors only\nwarning - warnings\ninfo - information\nconfig - configuration\nfine - fine debugging\nfiner - finer debugging\nfinest - finest debugging\nall - all debugging",
332:                                            level));
333:            }
334:
335:            public static class SubLogger {
336:                private Logger _logger;
337:                private String _name = "";
338:                private Level _level;
339:                private boolean _useParentHandlers = true;
340:
341:                // for mbean management
342:                private Handler _handler;
343:
344:                /**
345:                 * Sets the name of the logger to configure.
346:                 */
347:                public void setId(String name) {
348:                    // backward compat
349:                    if (name.equals("/"))
350:                        name = "";
351:
352:                    setName(name);
353:                }
354:
355:                /**
356:                 * Sets the name of the logger to configure.
357:                 */
358:                public void setName(String name) {
359:                    _name = name;
360:                }
361:
362:                /**
363:                 * Gets the name of the logger to configure.
364:                 */
365:                public String getName() {
366:                    return _name;
367:                }
368:
369:                /**
370:                 * Sets the use-parent-handlers
371:                 */
372:                public void setUseParentHandlers(boolean useParentHandlers)
373:                        throws ConfigException {
374:                    _logger = Logger.getLogger(_name);
375:
376:                    _logger.setUseParentHandlers(useParentHandlers);
377:
378:                    _useParentHandlers = useParentHandlers;
379:                }
380:
381:                /**
382:                 * Gets the logger.
383:                 */
384:                public Logger getLogger() {
385:                    return Logger.getLogger(_name);
386:                }
387:
388:                /**
389:                 * Gets the output level.
390:                 */
391:                public Level getLevel() {
392:                    return _level;
393:                }
394:
395:                /**
396:                 * Sets the output level.
397:                 */
398:                public void setLevel(String level) throws ConfigException {
399:                    if (level.equals("off"))
400:                        _level = Level.OFF;
401:                    else if (level.equals("severe"))
402:                        _level = Level.SEVERE;
403:                    else if (level.equals("warning"))
404:                        _level = Level.WARNING;
405:                    else if (level.equals("info"))
406:                        _level = Level.INFO;
407:                    else if (level.equals("config"))
408:                        _level = Level.CONFIG;
409:                    else if (level.equals("fine"))
410:                        _level = Level.FINE;
411:                    else if (level.equals("finer"))
412:                        _level = Level.FINER;
413:                    else if (level.equals("finest"))
414:                        _level = Level.FINEST;
415:                    else if (level.equals("all"))
416:                        _level = Level.ALL;
417:                    else
418:                        throw new ConfigException(
419:                                L
420:                                        .l(
421:                                                "`{0}' is an unknown log level.  Log levels are:\noff - disable logging\nsevere - severe errors only\nwarning - warnings\ninfo - information\nconfig - configuration\nfine - fine debugging\nfiner - finer debugging\nfinest - finest debugging\nall - all debugging",
422:                                                level));
423:                }
424:
425:                /**
426:                 * Sets the handler.
427:                 */
428:                public void setHandler(Handler handler) {
429:                    _handler = handler;
430:                }
431:
432:                /**
433:                 * Gets the handler.
434:                 */
435:                public Handler getHandler() {
436:                    return _handler;
437:                }
438:
439:                @PostConstruct
440:                public void init() throws ConfigException {
441:                    if (_name == null)
442:                        throw new ConfigException(
443:                                L
444:                                        .l("`name' is a required attribute..  Each logger must configure the log name, e.g. com.caucho.server.webapp."));
445:                }
446:            }
447:
448:            class LogAdmin extends AbstractManagedObject implements 
449:                    LoggerMXBean {
450:                public String getType() {
451:                    return "Logger";
452:                }
453:
454:                public String getName() {
455:                    return LogConfig.this .getName();
456:                }
457:
458:                public String getLevel() {
459:                    return LogConfig.this .getLevel();
460:                }
461:
462:                public void setLevel(String level) {
463:                    if (_subLogger != null) {
464:                        _subLogger.setLevel(level);
465:                        _subLogger.getLogger().setLevel(_subLogger.getLevel());
466:                    }
467:
468:                    for (int i = 0; i < _subLoggers.size(); i++) {
469:                        SubLogger subLogger = _subLoggers.get(i);
470:
471:                        subLogger.setLevel(level);
472:                        subLogger.getLogger().setLevel(_subLogger.getLevel());
473:                    }
474:                }
475:            }
476:        }
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