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org.apache.catalina.ant.jmx
Class JMXAccessorGetTask

java.lang.Object
  extended by org.apache.tools.ant.ProjectComponent
      extended by org.apache.tools.ant.Task
          extended by org.apache.catalina.ant.BaseRedirectorHelperTask
              extended by org.apache.catalina.ant.jmx.JMXAccessorTask
                  extended by org.apache.catalina.ant.jmx.JMXAccessorGetTask
All Implemented Interfaces:
java.lang.Cloneable
public class JMXAccessorGetTask
extends JMXAccessorTask

Access JMX JSR 160 MBeans Server.

Examples:
Get a Mbean IDataSender attribute nrOfRequests and create a new ant property IDataSender.9025.nrOfRequests 

   <jmx:get
           ref="jmx.server"
           name="Catalina:type=IDataSender,host=localhost,senderAddress=192.168.1.2,senderPort=9025" 
           attribute="nrOfRequests"
           resultproperty="IDataSender.9025.nrOfRequests"
           echo="false">
       />

First call to a remote MBeanserver save the JMXConnection a referenz jmx.server

These tasks require Ant 1.6 or later interface.

Since:
5.5.10
Author:
Peter Rossbach

Field Summary
 
Fields inherited from class org.apache.catalina.ant.jmx.JMXAccessorTask
JMX_SERVICE_PREFIX, JMX_SERVICE_SUFFIX
 
Fields inherited from class org.apache.catalina.ant.BaseRedirectorHelperTask
alwaysLog, failOnError, redirectErrStream, redirector, redirectorConfigured, redirectorElement, redirectOutput, redirectOutStream
 
Fields inherited from class org.apache.tools.ant.Task
target, taskName, taskType, wrapper
 
Fields inherited from class org.apache.tools.ant.ProjectComponent
description, location, project
 
Constructor Summary
JMXAccessorGetTask()
           
 
Method Summary
 java.lang.String getAttribute()
           
 java.lang.String getInfo()
          Return descriptive information about this implementation and the corresponding version number, in the format <description>/<version>.
 java.lang.String jmxExecute(javax.management.MBeanServerConnection jmxServerConnection)
          Execute the specified command, based on the configured properties.
protected  java.lang.String jmxGet(javax.management.MBeanServerConnection jmxServerConnection, java.lang.String name)
           
 void setAttribute(java.lang.String attribute)
           
 
Methods inherited from class org.apache.catalina.ant.jmx.JMXAccessorTask
accessJMXConnection, convertStringToType, createJMXConnection, createProperty, createProperty, echoResult, execute, getDelimiter, getHost, getIf, getJMXConnection, getName, getPassword, getPort, getProperties, getProperty, getRef, getResultproperty, getUnless, getUrl, getUsername, isEcho, isSeparatearrayresults, isUseRef, setDelimiter, setEcho, setHost, setIf, setName, setPassword, setPort, setProperty, setRef, setResultproperty, setSeparatearrayresults, setUnless, setUrl, setUsername, testIfCondition, testUnlessCondition
 
Methods inherited from class org.apache.catalina.ant.BaseRedirectorHelperTask
addConfiguredRedirector, closeRedirector, handleErrorFlush, handleErrorOutput, handleFlush, handleFlush, handleOutput, handleOutput, isFailOnError, openRedirector, setAlwaysLog, setAppend, setCreateEmptyFiles, setError, setErrorProperty, setFailonerror, setLogError, setOutput, setOutputproperty
 
Methods inherited from class org.apache.tools.ant.Task
bindToOwner, getOwningTarget, getRuntimeConfigurableWrapper, getTaskName, getTaskType, getWrapper, handleInput, init, isInvalid, log, log, log, log, maybeConfigure, perform, reconfigure, setOwningTarget, setRuntimeConfigurableWrapper, setTaskName, setTaskType
 
Methods inherited from class org.apache.tools.ant.ProjectComponent
clone, getDescription, getLocation, getProject, setDescription, setLocation, setProject
 
Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

JMXAccessorGetTask

public JMXAccessorGetTask()
Method Detail

getInfo

public java.lang.String getInfo()
Return descriptive information about this implementation and the corresponding version number, in the format <description>/<version>.

Overrides:
getInfo in class JMXAccessorTask

getAttribute

public java.lang.String getAttribute()
Returns:
Returns the attribute.

setAttribute

public void setAttribute(java.lang.String attribute)
Parameters:
attribute - The attribute to set.

jmxExecute

public java.lang.String jmxExecute(javax.management.MBeanServerConnection jmxServerConnection)
                            throws java.lang.Exception
Execute the specified command, based on the configured properties. The input stream will be closed upon completion of this task, whether it was executed successfully or not.

Overrides:
jmxExecute in class JMXAccessorTask
Throws:
org.apache.tools.ant.BuildException - if an error occurs
java.lang.Exception - if an error occurs

jmxGet

protected java.lang.String jmxGet(javax.management.MBeanServerConnection jmxServerConnection,
                                  java.lang.String name)
                           throws java.lang.Exception
Parameters:
jmxServerConnection -
name -
Returns:
The value of the given named attribute
Throws:
java.lang.Exception
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