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package org.mule.management.agents; |
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import org.mule.config.i18n.CoreMessages; |
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import org.mule.management.support.AutoDiscoveryJmxSupportFactory; |
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import org.mule.management.support.JmxSupport; |
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import org.mule.management.support.JmxSupportFactory; |
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import org.mule.umo.UMOException; |
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import org.mule.umo.lifecycle.InitialisationException; |
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import org.mule.umo.manager.UMOAgent; |
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import java.util.Iterator; |
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import java.util.Set; |
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import javax.management.InstanceNotFoundException; |
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import javax.management.MBeanRegistrationException; |
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import javax.management.MBeanServer; |
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import javax.management.MBeanServerFactory; |
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import javax.management.MalformedObjectNameException; |
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import javax.management.ObjectInstance; |
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import javax.management.ObjectName; |
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import org.apache.log4j.jmx.HierarchyDynamicMBean; |
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38 | 0 | public class Log4jAgent implements UMOAgent |
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{ |
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41 | 0 | private String name = "Log4j Agent"; |
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private MBeanServer mBeanServer; |
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public static final String JMX_OBJECT_NAME = "log4j:type=Hierarchy"; |
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45 | 0 | private JmxSupportFactory jmxSupportFactory = AutoDiscoveryJmxSupportFactory.getInstance(); |
46 | 0 | private JmxSupport jmxSupport = jmxSupportFactory.getJmxSupport(); |
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public String getName() |
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{ |
56 | 0 | return this.name; |
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} |
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public void setName(String name) |
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{ |
66 | 0 | this.name = name; |
67 | 0 | } |
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public String getDescription() |
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{ |
76 | 0 | return "Log4j JMX Agent"; |
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} |
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public void initialise() throws InitialisationException |
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{ |
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try |
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{ |
88 | 0 | mBeanServer = (MBeanServer)MBeanServerFactory.findMBeanServer(null).get(0); |
89 | 0 | final ObjectName objectName = jmxSupport.getObjectName(JMX_OBJECT_NAME); |
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91 | 0 | unregisterMBeansIfNecessary(); |
92 | 0 | mBeanServer.registerMBean(new HierarchyDynamicMBean(), objectName); |
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} |
94 | 0 | catch (Exception e) |
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{ |
96 | 0 | throw new InitialisationException(CoreMessages.failedToStart("JMX Agent"), e, this); |
97 | 0 | } |
98 | 0 | } |
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protected void unregisterMBeansIfNecessary() |
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throws MalformedObjectNameException, InstanceNotFoundException, MBeanRegistrationException |
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{ |
106 | 0 | if (mBeanServer.isRegistered(jmxSupport.getObjectName(JMX_OBJECT_NAME))) |
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{ |
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109 | 0 | Set log4jMBeans = mBeanServer.queryMBeans(jmxSupport.getObjectName("log4j*:*"), null); |
110 | 0 | for (Iterator it = log4jMBeans.iterator(); it.hasNext();) |
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{ |
112 | 0 | ObjectInstance objectInstance = (ObjectInstance)it.next(); |
113 | 0 | ObjectName theName = objectInstance.getObjectName(); |
114 | 0 | mBeanServer.unregisterMBean(theName); |
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} |
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} |
117 | 0 | } |
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public void start() throws UMOException |
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{ |
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127 | 0 | } |
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public void stop() throws UMOException |
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{ |
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137 | 0 | } |
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public void dispose() |
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{ |
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147 | 0 | } |
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public void registered() |
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{ |
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157 | 0 | } |
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public void unregistered() |
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{ |
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167 | 0 | } |
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} |