opendaylight/config/logback-config/src/main/java/org/opendaylight/controller/config/yang/logback/config/LogbackModuleFactory.java

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 /**
  10  * Generated file
  11
  12  * Generated by: org.opendaylight.controller.config.yangjmxgenerator.plugin.JMXGenerator
  13  * Generated at: Wed Jul 17 15:26:45 CEST 2013
  14  *
  15  * Do not modifiy this file unless it is present under src/main directory
  16  */
  17 package org.opendaylight.controller.config.yang.logback.config;
  18
  19 import java.util.ArrayList;
  20 import java.util.Collections;
  21 import java.util.HashMap;
  22 import java.util.Iterator;
  23 import java.util.List;
  24 import java.util.Map;
  25 import java.util.Map.Entry;
  26 import java.util.Set;
  27
  28 import org.apache.commons.lang3.StringUtils;
  29 import org.opendaylight.controller.config.api.DependencyResolver;
  30 import org.opendaylight.controller.config.api.DependencyResolverFactory;
  31 import org.opendaylight.controller.config.api.ModuleIdentifier;
  32 import org.osgi.framework.BundleContext;
  33 import org.slf4j.LoggerFactory;
  34
  35 import ch.qos.logback.classic.Logger;
  36 import ch.qos.logback.classic.LoggerContext;
  37 import ch.qos.logback.classic.encoder.PatternLayoutEncoder;
  38 import ch.qos.logback.classic.spi.ILoggingEvent;
  39 import ch.qos.logback.classic.spi.LoggerComparator;
  40 import ch.qos.logback.core.Appender;
  41 import ch.qos.logback.core.rolling.FixedWindowRollingPolicy;
  42 import ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy;
  43 import ch.qos.logback.core.rolling.TimeBasedRollingPolicy;
  44
  45 import com.google.common.base.Preconditions;
  46 import com.google.common.collect.Lists;
  47 import com.google.common.collect.Sets;
  48
  49 /**
  50 *
  51 */
  52 public class LogbackModuleFactory extends
  53         org.opendaylight.controller.config.yang.logback.config.AbstractLogbackModuleFactory {
  54
  55     public static final String INSTANCE_NAME = "singleton";
  56     private Map<String, LoggerTO> loggersDTOs;
  57     private Map<String, RollingFileAppenderTO> rollingDTOs;
  58     private Map<String, ConsoleAppenderTO> consoleDTOs;
  59     private Map<String, FileAppenderTO> fileDTOs;
  60
  61     @Override
  62     public LogbackModule instantiateModule(String instanceName, DependencyResolver dependencyResolver,
  63             BundleContext bundleContext) {
  64         Preconditions.checkArgument(instanceName.equals(INSTANCE_NAME),
  65                 "There should be just one instance of logback, named " + INSTANCE_NAME);
  66         prepareDTOs();
  67         LogbackModule module = new LogbackModule(new ModuleIdentifier(getImplementationName(), INSTANCE_NAME),
  68                 dependencyResolver);
  69         module.setFileAppenderTO(Lists.newArrayList(fileDTOs.values()));
  70         module.setConsoleAppenderTO(Lists.newArrayList(consoleDTOs.values()));
  71         module.setRollingFileAppenderTO(Lists.newArrayList(rollingDTOs.values()));
  72         module.setLoggerTO(Lists.newArrayList(loggersDTOs.values()));
  73         return module;
  74     }
  75
  76     @Override
  77     public LogbackModule instantiateModule(String instanceName, DependencyResolver dependencyResolver,
  78             LogbackModule oldModule, AutoCloseable oldInstance, BundleContext bundleContext) {
  79         Preconditions.checkArgument(instanceName.equals(INSTANCE_NAME),
  80                 "There should be just one instance of logback, named " + INSTANCE_NAME);
  81         prepareDTOs();
  82         LogbackModule module = new LogbackModule(new ModuleIdentifier(getImplementationName(), INSTANCE_NAME),
  83                 dependencyResolver, oldModule, oldInstance);
  84         module.setConsoleAppenderTO(Lists.newArrayList(consoleDTOs.values()));
  85         /*
  86          * module.setJCloudsAppender(Lists.newArrayList(jcloudsDTOs.values()));
  87          */
  88         module.setFileAppenderTO(Lists.newArrayList(fileDTOs.values()));
  89         module.setRollingFileAppenderTO(Lists.newArrayList(rollingDTOs.values()));
  90         module.setLoggerTO(Lists.newArrayList(loggersDTOs.values()));
  91         return module;
  92     }
  93
  94     private void prepareDTOs() {
  95         LoggerContext context = (LoggerContext) LoggerFactory.getILoggerFactory();
  96         this.loggersDTOs = prepareLoggersDTOs(context);
  97         prepareAppendersDTOs(context);
  98     }
  99
 100     private void prepareAppendersDTOs(LoggerContext context) {
 101         this.rollingDTOs = new HashMap<>();
 102         this.consoleDTOs = new HashMap<>();
 103         this.fileDTOs = new HashMap<>();
 104         ch.qos.logback.core.rolling.RollingFileAppender<ILoggingEvent> rollingApp;
 105         ch.qos.logback.core.ConsoleAppender<ILoggingEvent> consoleApp;
 106         ch.qos.logback.core.FileAppender<ILoggingEvent> fileApp;
 107         Map<Logger, List<Appender<ILoggingEvent>>> appendersAll = new HashMap<>();
 108         for (Logger log : context.getLoggerList()) {
 109             List<Appender<ILoggingEvent>> appenders = new ArrayList<>();
 110             Iterator<Appender<ILoggingEvent>> iter = log.iteratorForAppenders();
 111             while (iter.hasNext()) {
 112                 Appender<ILoggingEvent> element = iter.next();
 113                 appenders.add(element);
 114             }
 115             appendersAll.put(log, appenders);
 116         }
 117         for (List<ch.qos.logback.core.Appender<ILoggingEvent>> appEntry : appendersAll.values()) {
 118             for (ch.qos.logback.core.Appender<ILoggingEvent> appender : appEntry) {
 119                 if (appender instanceof ch.qos.logback.core.rolling.RollingFileAppender<?>) {
 120                     RollingFileAppenderTO app = new RollingFileAppenderTO();
 121                     rollingApp = (ch.qos.logback.core.rolling.RollingFileAppender<ILoggingEvent>) appender;
 122                     app.setAppend(rollingApp.isAppend());
 123                     PatternLayoutEncoder encoder = (PatternLayoutEncoder) rollingApp.getEncoder();
 124                     app.setEncoderPattern(encoder.getPattern());
 125                     app.setFileName(rollingApp.getFile());
 126                     if (rollingApp.getRollingPolicy() instanceof FixedWindowRollingPolicy) {
 127                         FixedWindowRollingPolicy rollingPolicy = (FixedWindowRollingPolicy) rollingApp
 128                                 .getRollingPolicy();
 129                         app.setMaxIndex(rollingPolicy.getMaxIndex());
 130                         app.setMinIndex(rollingPolicy.getMinIndex());
 131                         app.setFileNamePattern(rollingPolicy.getFileNamePattern());
 132                         app.setRollingPolicyType("FixedWindowRollingPolicy");
 133                     } else if (rollingApp.getRollingPolicy() instanceof TimeBasedRollingPolicy<?>) {
 134                         TimeBasedRollingPolicy rollingPolicy = (TimeBasedRollingPolicy) rollingApp.getRollingPolicy();
 135                         app.setRollingPolicyType("TimeBasedRollingPolicy");
 136                         app.setFileNamePattern(rollingPolicy.getFileNamePattern());
 137                         app.setMaxHistory(rollingPolicy.getMaxHistory());
 138                         app.setCleanHistoryOnStart(rollingPolicy.isCleanHistoryOnStart());
 139                     }
 140                     SizeBasedTriggeringPolicy<ILoggingEvent> triggeringPolicy = (SizeBasedTriggeringPolicy<ILoggingEvent>) rollingApp
 141                             .getTriggeringPolicy();
 142                     app.setMaxFileSize(triggeringPolicy.getMaxFileSize());
 143                     app.setName(rollingApp.getName());
 144                     this.rollingDTOs.put(rollingApp.getName(), app);
 145                 } else if (appender instanceof ch.qos.logback.core.FileAppender<?>) {
 146                     FileAppenderTO app = new FileAppenderTO();
 147                     fileApp = (ch.qos.logback.core.FileAppender<ILoggingEvent>) appender;
 148                     app.setName(fileApp.getName());
 149                     app.setAppend(fileApp.isAppend());
 150                     app.setFileName(fileApp.getFile());
 151                     PatternLayoutEncoder encoder = (PatternLayoutEncoder) fileApp.getEncoder();
 152                     app.setEncoderPattern(encoder.getPattern());
 153                     this.fileDTOs.put(fileApp.getName(), app);
 154                 }
 155                 if (appender instanceof ch.qos.logback.core.ConsoleAppender<?>) {
 156                     ConsoleAppenderTO app = new ConsoleAppenderTO();
 157                     consoleApp = (ch.qos.logback.core.ConsoleAppender<ILoggingEvent>) appender;
 158                     consoleApp.getCopyOfAttachedFiltersList();
 159                     PatternLayoutEncoder encoder = (PatternLayoutEncoder) consoleApp.getEncoder();
 160                     app.setEncoderPattern(encoder.getPattern());
 161                     app.setName(consoleApp.getName());
 162                     app.setThresholdFilter(context.getLogger(Logger.ROOT_LOGGER_NAME).getEffectiveLevel().levelStr);
 163                     this.consoleDTOs.put(consoleApp.getName(), app);
 164                 }
 165             }
 166         }
 167     }
 168
 169     private Map<String, LoggerTO> prepareLoggersDTOs(LoggerContext context) {
 170         Map<String, LoggerTO> DTOs = new HashMap<>();
 171         List<String> appenders = new ArrayList<>();
 172         List<org.slf4j.Logger> loggersToBeAdd = removeUnusableLoggers(context.getLoggerList(),
 173                 context.getLogger(Logger.ROOT_LOGGER_NAME));
 174         for (org.slf4j.Logger log : loggersToBeAdd) {
 175             LoggerTO logger = new LoggerTO();
 176             if (((Logger) log).getLevel() != null) {
 177                 logger.setLevel(((Logger) log).getLevel().levelStr);
 178             } else {
 179                 logger.setLevel(((Logger) log).getEffectiveLevel().levelStr);
 180             }
 181             logger.setLoggerName(log.getName());
 182             Iterator<Appender<ILoggingEvent>> iter = ((Logger) log).iteratorForAppenders();
 183             while (iter.hasNext()) {
 184                 Appender<ILoggingEvent> element = iter.next();
 185                 appenders.add(element.getName());
 186             }
 187             logger.setAppenders(appenders);
 188             DTOs.put(log.getName(), logger);
 189             appenders = new ArrayList<>();
 190
 191         }
 192         return DTOs;
 193     }
 194
 195     private List<org.slf4j.Logger> removeUnusableLoggers(List<Logger> loggerList, Logger rootLogger) {
 196         Collections.sort(loggerList, new LoggerComparator());
 197         Map<String, org.slf4j.Logger> loggersToReturn = new HashMap<>();
 198
 199         for (org.slf4j.Logger log : loggerList) {
 200             boolean shouldAdd = true;
 201             for (Entry<String, org.slf4j.Logger> entry : loggersToReturn.entrySet()) {
 202                 if (StringUtils.contains(log.getName(), entry.getKey())) {
 203                     if (((Logger) log).getLevel() != null
 204                             && ((Logger) log).getLevel().equals(((Logger) entry.getValue()).getLevel())
 205                             && !((Logger) log).iteratorForAppenders().hasNext()) {
 206                         shouldAdd = false;
 207                         break;
 208                     }
 209                     if (((Logger) log).getLevel() == null
 210                             && ((Logger) log).getEffectiveLevel().equals(
 211                                     ((Logger) entry.getValue()).getEffectiveLevel())
 212                             && !((Logger) log).iteratorForAppenders().hasNext()) {
 213                         shouldAdd = false;
 214                         break;
 215                     }
 216                 }
 217                 if (((Logger) log).getLevel() != null && ((Logger) log).getLevel().equals(rootLogger.getLevel())
 218                         && !((Logger) log).iteratorForAppenders().hasNext()) {
 219                     shouldAdd = false;
 220                     break;
 221                 }
 222                 if (((Logger) log).getLevel() == null
 223                         && ((Logger) log).getEffectiveLevel().equals(rootLogger.getEffectiveLevel())
 224                         && !((Logger) log).iteratorForAppenders().hasNext()) {
 225                     shouldAdd = false;
 226                     break;
 227                 }
 228             }
 229             if (shouldAdd) {
 230                 loggersToReturn.put(log.getName(), log);
 231             }
 232         }
 233         return Lists.newArrayList(loggersToReturn.values());
 234     }
 235
 236     @Override
 237     public Set<LogbackModule> getDefaultModules(DependencyResolverFactory dependencyResolverFactory,
 238             BundleContext bundleContext) {
 239         DependencyResolver resolver = dependencyResolverFactory.createDependencyResolver(new ModuleIdentifier(
 240                 getImplementationName(), INSTANCE_NAME));
 241         LogbackModule defaultLogback = instantiateModule(INSTANCE_NAME, resolver, bundleContext);
 242         Set<LogbackModule> defaultModules = Sets.newHashSet(defaultLogback);
 243         return defaultModules;
 244     }
 245
 246 }