org.apache.catalina.ant.jmx

Class JMXAccessorTask

java.lang.Object

org.apache.tools.ant.ProjectComponent

org.apache.tools.ant.Task

org.apache.catalina.ant.BaseRedirectorHelperTask

org.apache.catalina.ant.jmx.JMXAccessorTask

All Implemented Interfaces:

Cloneable

Direct Known Subclasses:

JMXAccessorCreateTask, JMXAccessorGetTask, JMXAccessorInvokeTask, JMXAccessorQueryTask, JMXAccessorSetTask, JMXAccessorUnregisterTask

public class JMXAccessorTask
extends BaseRedirectorHelperTask

Access JMX JSR 160 MBeans Server.

• open more then one JSR 160 rmi connection
• Get/Set Mbeans attributes
• Call Mbean Operation with arguments
• Argument values can be converted from string to int,long,float,double,boolean,ObjectName or InetAddress
• Query Mbeans
• Show Get, Call, Query result at Ant console log
• Bind Get, Call, Query result at Ant properties

Examples: open server with reference and autorisation

    <jmxOpen
            host="127.0.0.1"
            port="9014"
            username="monitorRole"
            password="mysecret"
            ref="jmx.myserver"
        />

 

All calls after opening with same refid reuse the connection.

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

All JMXAccessorXXXTask support the attribute if and unless. With if the task is only execute when property exist and with unless when property not exists.
NOTE : These tasks require Ant 1.6 or later interface.

Since:

5.5.10

Author:

Peter Rossbach

Field Summary

Fields

Modifier and Type	Field and Description
static String	JMX_SERVICE_PREFIX
static String	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

Constructors

Constructor and Description
JMXAccessorTask()

Method Summary

Modifier and Type	Method and Description
static MBeanServerConnection	accessJMXConnection(org.apache.tools.ant.Project project, String url, String host, String port, String username, String password, String refId) Get Current Connection from ref parameter or create a new one!
protected Object	convertStringToType(String value, String valueType) Convert string to datatype FIXME How we can transfer values from ant project reference store (ref)?
static MBeanServerConnection	createJMXConnection(String url, String host, String port, String username, String password) Create a new JMX Connection with auth when username and password is set.
protected void	createProperty(Object result) create result as property with name from attribute resultproperty
protected void	createProperty(String propertyPrefix, Object result) create result as property with name from property prefix When result is an array and isSeparateArrayResults is true, resultproperty used as prefix (resultproperty.0-array.length and store the result array length at resultproperty.length.
protected void	echoResult(String name, Object result)
void	execute() Execute the specified command.
String	getDelimiter()
String	getHost()
String	getIf()
protected MBeanServerConnection	getJMXConnection() get JMXConnection
String	getName() Get the name used at remote MbeanServer.
String	getPassword()
String	getPort()
String	getProperty(String property) Get Property
String	getRef()
String	getResultproperty()
String	getUnless()
String	getUrl()
String	getUsername()
boolean	isEcho()
boolean	isSeparatearrayresults()
boolean	isUseRef()
String	jmxExecute(MBeanServerConnection jmxServerConnection) Execute the specified command, based on the configured properties.
void	setDelimiter(String separator)
void	setEcho(boolean echo)
void	setHost(String host)
void	setIf(String c) Only execute if a property of the given name exists in the current project.
void	setName(String objectName)
void	setPassword(String password)
void	setPort(String port)
boolean	setProperty(String property, Object value)
void	setRef(String refId)
void	setResultproperty(String propertyName)
void	setSeparatearrayresults(boolean separateArrayResults)
void	setUnless(String c) Only execute if a property of the given name does not exist in the current project.
void	setUrl(String url)
void	setUsername(String username)
protected boolean	testIfCondition() test the if condition
protected boolean	testUnlessCondition() test the unless condition

Methods inherited from class org.apache.catalina.ant.BaseRedirectorHelperTask

addConfiguredRedirector, closeRedirector, handleErrorFlush, handleErrorOutput, 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

Field Detail

JMX_SERVICE_PREFIX

public static final String JMX_SERVICE_PREFIX

See Also:

Constant Field Values

JMX_SERVICE_SUFFIX

public static final String JMX_SERVICE_SUFFIX

See Also:

Constant Field Values

Constructor Detail

JMXAccessorTask

public JMXAccessorTask()

Method Detail

getName

public String getName()

Get the name used at remote MbeanServer.

Returns:

the name used at remote MbeanServer

setName

public void setName(String objectName)

getResultproperty

public String getResultproperty()

Returns:

Returns the resultproperty.

setResultproperty

public void setResultproperty(String propertyName)

Parameters:

propertyName - The resultproperty to set.

getDelimiter

public String getDelimiter()

Returns:

Returns the delimiter.

setDelimiter

public void setDelimiter(String separator)

Parameters:

separator - The delimiter to set.

isEcho

public boolean isEcho()

Returns:

Returns the echo.

setEcho

public void setEcho(boolean echo)

Parameters:

echo - The echo to set.

isSeparatearrayresults

public boolean isSeparatearrayresults()

Returns:

Returns the separatearrayresults.

setSeparatearrayresults

public void setSeparatearrayresults(boolean separateArrayResults)

Parameters:

separateArrayResults - The separatearrayresults to set.

getPassword

public String getPassword()

Returns:

The login password for the Manager application.

setPassword

public void setPassword(String password)

getUsername

public String getUsername()

Returns:

The login username for the JMX MBeanServer.

setUsername

public void setUsername(String username)

getUrl

public String getUrl()

Returns:

The URL of the JMX JSR 160 MBeanServer to be used.

setUrl

public void setUrl(String url)

getHost

public String getHost()

Returns:

The Host of the JMX JSR 160 MBeanServer to be used.

setHost

public void setHost(String host)

getPort

public String getPort()

Returns:

The Port of the JMX JSR 160 MBeanServer to be used.

setPort

public void setPort(String port)

isUseRef

public boolean isUseRef()

Returns:

Returns the useRef.

getRef

public String getRef()

Returns:

Returns the ref.

setRef

public void setRef(String refId)

Parameters:

refId - The ref to set.

getIf

public String getIf()

Returns:

Returns the ifCondition.

setIf

public void setIf(String c)

Only execute if a property of the given name exists in the current project.

Parameters:

c - property name

getUnless

public String getUnless()

Returns:

Returns the unlessCondition.

setUnless

public void setUnless(String c)

Only execute if a property of the given name does not exist in the current project.

Parameters:

c - property name

execute

public void execute()
             throws org.apache.tools.ant.BuildException

Execute the specified command. This logic only performs the common attribute validation required by all subclasses; it does not perform any functional logic directly.

Overrides:

execute in class org.apache.tools.ant.Task

Throws:

org.apache.tools.ant.BuildException - if a validation error occurs

createJMXConnection

public static MBeanServerConnection createJMXConnection(String url,
                                                        String host,
                                                        String port,
                                                        String username,
                                                        String password)
                                                 throws MalformedURLException,
                                                        IOException

Create a new JMX Connection with auth when username and password is set.

Parameters:

url - URL to be used for the JMX connection (if specified, it is a complete URL so host and port will not be used)

host - Host name of the JMX server

port - Port number for the JMX server

username - User name for the connection

password - Credentials corresponding to the specified user

Returns:

the JMX connection

Throws:

MalformedURLException - Invalid URL specified

IOException - Other connection error

testIfCondition

protected boolean testIfCondition()

test the if condition

Returns:

true if there is no if condition, or the named property exists

testUnlessCondition

protected boolean testUnlessCondition()

test the unless condition

Returns:

true if there is no unless condition, or there is a named property but it doesn't exist

accessJMXConnection

public static MBeanServerConnection accessJMXConnection(org.apache.tools.ant.Project project,
                                                        String url,
                                                        String host,
                                                        String port,
                                                        String username,
                                                        String password,
                                                        String refId)
                                                 throws MalformedURLException,
                                                        IOException

Get Current Connection from ref parameter or create a new one!

Parameters:

project - The Ant project

url - URL to be used for the JMX connection (if specified, it is a complete URL so host and port will not be used)

host - Host name of the JMX server

port - Port number for the JMX server

username - User name for the connection

password - Credentials corresponding to the specified user

refId - The Id of the reference to retrieve in the project

Returns:

the JMX connection

Throws:

MalformedURLException - Invalid URL specified

IOException - Other connection error

getJMXConnection

protected MBeanServerConnection getJMXConnection()
                                          throws MalformedURLException,
                                                 IOException

get JMXConnection

Returns:

the JMX connection

Throws:

MalformedURLException - Invalid URL specified

IOException - Other connection error

jmxExecute

public String jmxExecute(MBeanServerConnection jmxServerConnection)
                  throws 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.

Parameters:

jmxServerConnection - The JMX connection that should be used

Returns:

An error message string in some situations

Throws:

Exception - if an error occurs

convertStringToType

protected Object convertStringToType(String value,
                                     String valueType)

Convert string to datatype FIXME How we can transfer values from ant project reference store (ref)?

Parameters:

value - The value

valueType - The type

Returns:

The converted object

echoResult

protected void echoResult(String name,
                          Object result)

Parameters:

name - context of result

result - The result

createProperty

protected void createProperty(Object result)

create result as property with name from attribute resultproperty

Parameters:

result - The result

See Also:

createProperty(String, Object)

createProperty

protected void createProperty(String propertyPrefix,
                              Object result)

create result as property with name from property prefix When result is an array and isSeparateArrayResults is true, resultproperty used as prefix (resultproperty.0-array.length and store the result array length at resultproperty.length. Other option is that you delimit your result with a delimiter (java.util.StringTokenizer is used).

Parameters:

propertyPrefix - Prefix for the property

result - The result

getProperty

public String getProperty(String property)

Get Property

Parameters:

property - name

Returns:

The property value

setProperty

public boolean setProperty(String property,
                           Object value)

Parameters:

property - The property

value - The value

Returns:

True if successful