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, LogbackRuntimeMXBean, Closeable {
  27
  28     private final List<StatusTO> receivedStatuses;
  29     private final LogbackRuntimeRegistrator rootRuntimeBeanRegistratorWrapper;
  30     private LogbackRuntimeRegistration reg;
  31
  32     public LogbackStatusListener(LogbackRuntimeRegistrator rootRuntimeBeanRegistratorWrapper) {
  33         receivedStatuses = new ArrayList<>();
  34         this.rootRuntimeBeanRegistratorWrapper = rootRuntimeBeanRegistratorWrapper;
  35     }
  36
  37     @Override
  38     public synchronized List<StatusTO> getStatusTO() {
  39         return Collections.unmodifiableList(receivedStatuses);
  40     }
  41
  42     @Override
  43     public synchronized void reset() {
  44         receivedStatuses.clear();
  45     }
  46
  47     public LogbackRuntimeRegistration register() {
  48         reg = registerToJMX(rootRuntimeBeanRegistratorWrapper);
  49         registerToLogback();
  50         return reg;
  51     }
  52
  53     private LogbackRuntimeRegistration registerToJMX(LogbackRuntimeRegistrator rootRuntimeBeanRegistratorWrapper) {
  54         return rootRuntimeBeanRegistratorWrapper.register(this);
  55     }
  56
  57     private synchronized void registerToLogback() {
  58         LoggerContext context = (LoggerContext) LoggerFactory.getILoggerFactory();
  59         final StatusManager statusManager = context.getStatusManager();
  60
  61         statusManager.remove(this);
  62         reset();
  63
  64         statusManager.add(this);
  65         addInitialStatuses(statusManager);
  66     }
  67
  68     private void addInitialStatuses(StatusManager statusManager) {
  69         for (ch.qos.logback.core.status.Status status : statusManager.getCopyOfStatusList()) {
  70             addStatusEvent(status);
  71         }
  72     }
  73
  74     @Override
  75     public synchronized void addStatusEvent(ch.qos.logback.core.status.Status status) {
  76         receivedStatuses.add(transformStatus(status));
  77     }
  78
  79     private StatusTO transformStatus(ch.qos.logback.core.status.Status status) {
  80         StatusTO transformed = new StatusTO();
  81
  82         transformed.setDate(status.getDate());
  83         transformed.setLevel(transformStatusLevel(status.getLevel()));
  84         transformed.setMessage(status.getMessage());
  85
  86         return transformed;
  87     }
  88
  89     private String transformStatusLevel(int status) {
  90         switch (status) {
  91         case StatusBase.INFO:
  92             return "INFO";
  93         case StatusBase.WARN:
  94             return "WARN";
  95         case StatusBase.ERROR:
  96             return "ERROR";
  97         default:
  98             throw new IllegalStateException("Unknown status level " + status);
  99         }
 100     }
 101
 102     @Override
 103     public void close() throws IOException {
 104         if (reg != null)
 105             reg.close();
 106         unregisterFromLogback();
 107     }
 108
 109     private void unregisterFromLogback() {
 110         LoggerContext context = (LoggerContext) LoggerFactory.getILoggerFactory();
 111         final StatusManager statusManager = context.getStatusManager();
 112         statusManager.remove(this);
 113     }
 114 }