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

   1 /**
   2  * Generated file
   3
   4  * Generated from: yang module name: config-test  yang module local name: testing
   5  * Generated by: org.opendaylight.controller.config.yangjmxgenerator.plugin.JMXGenerator
   6  * Generated at: Fri Sep 27 14:06:33 CEST 2013
   7  *
   8  * Do not modify this file unless it is present under src/main directory
   9  */
  10 package org.opendaylight.controller.config.yang.logback.config;
  11
  12 import java.io.Closeable;
  13 import java.io.IOException;
  14 import java.util.ArrayList;
  15 import java.util.Collections;
  16 import java.util.List;
  17
  18 import ch.qos.logback.core.status.Status;
  19 import org.slf4j.LoggerFactory;
  20
  21 import ch.qos.logback.classic.LoggerContext;
  22 import ch.qos.logback.core.status.StatusBase;
  23 import ch.qos.logback.core.status.StatusListener;
  24 import ch.qos.logback.core.status.StatusManager;
  25
  26 public class LogbackStatusListener implements StatusListener,
  27         LogbackRuntimeMXBean, Closeable {
  28
  29     private final List<StatusTO> receivedStatuses;
  30     private final LogbackRuntimeRegistrator rootRuntimeBeanRegistratorWrapper;
  31     private LogbackRuntimeRegistration reg;
  32
  33     public LogbackStatusListener(
  34             LogbackRuntimeRegistrator rootRuntimeBeanRegistratorWrapper) {
  35         receivedStatuses = new ArrayList<>();
  36         this.rootRuntimeBeanRegistratorWrapper = rootRuntimeBeanRegistratorWrapper;
  37     }
  38
  39     @Override
  40     public synchronized List<StatusTO> getStatusTO() {
  41         return Collections.unmodifiableList(receivedStatuses);
  42     }
  43
  44     @Override
  45     public synchronized void reset() {
  46         receivedStatuses.clear();
  47     }
  48
  49     public LogbackRuntimeRegistration register() {
  50         reg = registerToJMX(rootRuntimeBeanRegistratorWrapper);
  51         registerToLogback();
  52         return reg;
  53     }
  54
  55     private LogbackRuntimeRegistration registerToJMX(
  56             LogbackRuntimeRegistrator rootRuntimeBeanRegistratorWrapper) {
  57         return rootRuntimeBeanRegistratorWrapper.register(this);
  58     }
  59
  60     private synchronized void registerToLogback() {
  61         LoggerContext context = (LoggerContext) LoggerFactory
  62                 .getILoggerFactory();
  63         final StatusManager statusManager = context.getStatusManager();
  64
  65         statusManager.remove(this);
  66         reset();
  67
  68         statusManager.add(this);
  69         addInitialStatuses(statusManager);
  70     }
  71
  72     private void addInitialStatuses(StatusManager statusManager) {
  73         for (ch.qos.logback.core.status.Status status : statusManager
  74                 .getCopyOfStatusList()) {
  75             addStatusEvent(status);
  76         }
  77     }
  78
  79     @Override
  80     public synchronized void addStatusEvent(
  81             ch.qos.logback.core.status.Status status) {
  82         receivedStatuses.add(transformStatus(status));
  83     }
  84
  85     private StatusTO transformStatus(ch.qos.logback.core.status.Status status) {
  86         StatusTO transformed = new StatusTO();
  87
  88         transformed.setDate(status.getDate());
  89         transformed.setLevel(transformStatusLevel(status.getLevel()));
  90         transformed.setMessage(status.getMessage());
  91
  92         return transformed;
  93     }
  94
  95     private String transformStatusLevel(int status) {
  96         switch (status) {
  97         case StatusBase.INFO:
  98             return "INFO";
  99         case StatusBase.WARN:
 100             return "WARN";
 101         case StatusBase.ERROR:
 102             return "ERROR";
 103         default:
 104             throw new IllegalStateException("Unknown status level " + status);
 105         }
 106     }
 107
 108     @Override
 109     public void close() throws IOException {
 110         if (reg != null)
 111             reg.close();
 112         unregisterFromLogback();
 113     }
 114
 115     private void unregisterFromLogback() {
 116         LoggerContext context = (LoggerContext) LoggerFactory
 117                 .getILoggerFactory();
 118         final StatusManager statusManager = context.getStatusManager();
 119         statusManager.remove(this);
 120     }
 121 }