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package org.mule.module.management.agent; |
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import org.mule.AbstractAgent; |
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import org.mule.api.MuleException; |
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import org.mule.api.lifecycle.InitialisationException; |
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import org.mule.config.i18n.CoreMessages; |
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import org.mule.util.ClassUtils; |
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import org.mule.util.StringUtils; |
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import java.net.URI; |
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import javax.management.InstanceNotFoundException; |
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import javax.management.MBeanException; |
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import javax.management.MBeanServer; |
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import javax.management.MBeanServerFactory; |
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import javax.management.ObjectName; |
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import javax.management.ReflectionException; |
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public class JdmkAgent extends AbstractAgent |
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{ |
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public static final String CLASSNAME_ADAPTER = "com.sun.jdmk.comm.HtmlAdaptorServer"; |
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private static final String PROTOCOL_PREFIX = "http://"; |
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public static final String DEFAULT_HOSTNAME = "localhost"; |
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public static final int DEFAULT_PORT = 9092; |
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public static final String DEFAULT_JMX_ADAPTOR_URL = PROTOCOL_PREFIX + DEFAULT_HOSTNAME + ":" + DEFAULT_PORT; |
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private String jmxAdaptorUrl; |
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private String host; |
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private String port; |
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private MBeanServer mBeanServer; |
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private ObjectName adaptorName; |
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public JdmkAgent() |
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{ |
51 | 0 | super("jdmk-agent"); |
52 | 0 | } |
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protected Object createAdaptor() throws Exception |
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{ |
56 | 0 | final URI uri = new URI(jmxAdaptorUrl); |
57 | 0 | final int port = uri.getPort(); |
58 | 0 | return ClassUtils.instanciateClass(CLASSNAME_ADAPTER, |
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new Object[] {new Integer(port)}, this.getClass()); |
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} |
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public String getDescription() |
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{ |
64 | 0 | return "Jdmk Http adaptor: " + jmxAdaptorUrl; |
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} |
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public void start() throws MuleException |
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{ |
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try |
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{ |
71 | 0 | mBeanServer.invoke(adaptorName, "start", null, null); |
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} |
73 | 0 | catch (InstanceNotFoundException e) |
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{ |
75 | 0 | throw new JmxManagementException( |
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CoreMessages.failedToStart("Jdmk agent"), adaptorName, e); |
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} |
78 | 0 | catch (MBeanException e) |
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{ |
80 | 0 | throw new JmxManagementException( |
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CoreMessages.failedToStart("Jdmk agent"), adaptorName, e); |
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} |
83 | 0 | catch (ReflectionException e) |
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{ |
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86 | 0 | } |
87 | 0 | } |
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public void stop() throws MuleException |
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{ |
91 | 0 | if (mBeanServer == null) |
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{ |
93 | 0 | return; |
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} |
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try |
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{ |
98 | 0 | mBeanServer.invoke(adaptorName, "stop", null, null); |
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} |
100 | 0 | catch (InstanceNotFoundException e) |
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{ |
102 | 0 | throw new JmxManagementException( |
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CoreMessages.failedToStop("Jdmk agent"), adaptorName, e); |
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} |
105 | 0 | catch (MBeanException e) |
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{ |
107 | 0 | throw new JmxManagementException( |
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CoreMessages.failedToStop("Jdmk agent"), adaptorName, e); |
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} |
110 | 0 | catch (ReflectionException e) |
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{ |
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113 | 0 | } |
114 | 0 | } |
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public void dispose() |
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{ |
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try |
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{ |
120 | 0 | stop(); |
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} |
122 | 0 | catch (Exception e) |
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{ |
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125 | 0 | } |
126 | 0 | } |
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public void initialise() throws InitialisationException |
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{ |
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try |
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{ |
132 | 0 | mBeanServer = (MBeanServer)MBeanServerFactory.findMBeanServer(null).get(0); |
133 | 0 | final Object adaptor = createAdaptor(); |
134 | 0 | if (StringUtils.isBlank(jmxAdaptorUrl)) |
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{ |
136 | 0 | if (StringUtils.isNotBlank(host) && StringUtils.isNotBlank(port)) |
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{ |
138 | 0 | jmxAdaptorUrl = PROTOCOL_PREFIX + host + ":" + port; |
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} |
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else |
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{ |
142 | 0 | jmxAdaptorUrl = DEFAULT_JMX_ADAPTOR_URL; |
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} |
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} |
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|
146 | 0 | adaptorName = new ObjectName("Adaptor:class=" + adaptor.getClass().getName()); |
147 | 0 | mBeanServer.registerMBean(adaptor, adaptorName); |
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} |
149 | 0 | catch (Exception e) |
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{ |
151 | 0 | throw new InitialisationException(CoreMessages.failedToStart("Jdmk Agent"), e, this); |
152 | 0 | } |
153 | 0 | } |
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public String getJmxAdaptorUrl() |
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{ |
160 | 0 | return jmxAdaptorUrl; |
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} |
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public void setJmxAdaptorUrl(String jmxAdaptorUrl) |
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{ |
168 | 0 | this.jmxAdaptorUrl = jmxAdaptorUrl; |
169 | 0 | } |
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public String getHost() |
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{ |
174 | 0 | return host; |
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} |
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public void setHost(String host) |
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{ |
179 | 0 | this.host = host; |
180 | 0 | } |
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public String getPort() |
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{ |
184 | 0 | return port; |
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} |
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public void setPort(String port) |
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{ |
189 | 0 | this.port = port; |
190 | 0 | } |
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} |