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 org.slf4j.LoggerFactory;
  19
  20 import ch.qos.logback.classic.LoggerContext;
  21 import ch.qos.logback.core.status.StatusBase;
  22 import ch.qos.logback.core.status.StatusListener;
  23 import ch.qos.logback.core.status.StatusManager;
  24
  25 public class LogbackStatusListener implements StatusListener, LogbackRuntimeMXBean, Closeable {
  26
  27     private final List<StatusTO> receivedStatuses;
  28     private final LogbackRuntimeRegistrator rootRuntimeBeanRegistratorWrapper;
  29     private LogbackRuntimeRegistration reg;
  30
  31     public LogbackStatusListener(LogbackRuntimeRegistrator rootRuntimeBeanRegistratorWrapper) {
  32         receivedStatuses = new ArrayList<>();
  33         this.rootRuntimeBeanRegistratorWrapper = rootRuntimeBeanRegistratorWrapper;
  34     }
  35
  36     @Override
  37     public synchronized List<StatusTO> getStatusTO() {
  38         return Collections.unmodifiableList(receivedStatuses);
  39     }
  40
  41     @Override
  42     public synchronized void reset() {
  43         receivedStatuses.clear();
  44     }
  45
  46     public LogbackRuntimeRegistration register() {
  47         reg = registerToJMX(rootRuntimeBeanRegistratorWrapper);
  48         registerToLogback();
  49         return reg;
  50     }
  51
  52     private LogbackRuntimeRegistration registerToJMX(LogbackRuntimeRegistrator rootRuntimeBeanRegistratorWrapper) {
  53         return rootRuntimeBeanRegistratorWrapper.register(this);
  54     }
  55
  56     private synchronized void registerToLogback() {
  57         LoggerContext context = (LoggerContext) LoggerFactory.getILoggerFactory();
  58         final StatusManager statusManager = context.getStatusManager();
  59
  60         statusManager.remove(this);
  61         reset();
  62
  63         statusManager.add(this);
  64         addInitialStatuses(statusManager);
  65     }
  66
  67     private void addInitialStatuses(StatusManager statusManager) {
  68         for (ch.qos.logback.core.status.Status status : statusManager.getCopyOfStatusList()) {
  69             addStatusEvent(status);
  70         }
  71     }
  72
  73     @Override
  74     public synchronized void addStatusEvent(ch.qos.logback.core.status.Status status) {
  75         receivedStatuses.add(transformStatus(status));
  76     }
  77
  78     private StatusTO transformStatus(ch.qos.logback.core.status.Status status) {
  79         StatusTO transformed = new StatusTO();
  80
  81         transformed.setDate(status.getDate());
  82         transformed.setLevel(transformStatusLevel(status.getLevel()));
  83         transformed.setMessage(status.getMessage());
  84
  85         return transformed;
  86     }
  87
  88     private String transformStatusLevel(int status) {
  89         switch (status) {
  90         case StatusBase.INFO:
  91             return "INFO";
  92         case StatusBase.WARN:
  93             return "WARN";
  94         case StatusBase.ERROR:
  95             return "ERROR";
  96         default:
  97             throw new IllegalStateException("Unknown status level " + status);
  98         }
  99     }
 100
 101     @Override
 102     public void close() throws IOException {
 103         if (reg != null)
 104             reg.close();
 105         unregisterFromLogback();
 106     }
 107
 108     private void unregisterFromLogback() {
 109         LoggerContext context = (LoggerContext) LoggerFactory.getILoggerFactory();
 110         final StatusManager statusManager = context.getStatusManager();
 111         statusManager.remove(this);
 112     }
 113 }