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Java Source Code / Java Documentation » J2EE » spring framework 2.5 » org.springframework.jmx.support 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.springframework.jmx.support.JmxUtils

JmxUtils
abstract public class JmxUtils (Code)
Collection of generic utility methods to support Spring JMX. Includes a convenient method to locate an MBeanServer.
author:
   Rob Harrop
author:
   Juergen Hoeller
since:
   1.2
See Also:   JmxUtils.locateMBeanServer


Field Summary
final public static  StringIDENTITY_OBJECT_NAME_KEY
     The key used when extending an existing ObjectName with the identity hash code of its corresponding managed resource.


Method Summary
public static  ObjectNameappendIdentityToObjectName(ObjectName objectName, Object managedResource)
     Append an additional key/value pair to an existing ObjectName with the key being the static value identity and the value being the identity hash code of the managed resource being exposed on the supplied ObjectName .
public static  StringgetAttributeName(PropertyDescriptor property, boolean useStrictCasing)
     Return the JMX attribute name to use for the given JavaBeans property.

When using strict casing, a JavaBean property with a getter method such as getFoo() translates to an attribute called Foo.

public static  ClassgetClassToExpose(Object managedBean)
     Return the class or interface to expose for the given bean.
public static  ClassgetClassToExpose(Class beanClass)
     Return the class or interface to expose for the given bean class.
public static  ClassgetMBeanInterface(Class clazz)
     Return the Standard MBean interface for the given class, if any (that is, an interface whose name matches the class name of the given class but with suffix "MBean").
public static  ClassgetMXBeanInterface(Class clazz)
     Return the Java 6 MXBean interface exists for the given class, if any (that is, an interface whose name ends with "MXBean" and/or carries an appropriate MXBean annotation).
public static  String[]getMethodSignature(Method method)
     Create a String[] representing the argument signature of a method.
public static  booleanisMBean(Class beanClass)
     Determine whether the given bean class qualifies as an MBean as-is.
public static  MBeanServerlocateMBeanServer()
     Attempt to find a locally running MBeanServer.
public static  MBeanServerlocateMBeanServer(String agentId)
     Attempt to find a locally running MBeanServer.
public static  Class[]parameterInfoToTypes(MBeanParameterInfo[] paramInfo)
     Convert an array of MBeanParameterInfo into an array of Class instances corresponding to the parameters.
public static  Class[]parameterInfoToTypes(MBeanParameterInfo[] paramInfo, ClassLoader classLoader)
     Convert an array of MBeanParameterInfo into an array of Class instances corresponding to the parameters.

Field Detail
IDENTITY_OBJECT_NAME_KEY
final public static String IDENTITY_OBJECT_NAME_KEY(Code)
The key used when extending an existing ObjectName with the identity hash code of its corresponding managed resource.





Method Detail
appendIdentityToObjectName
public static ObjectName appendIdentityToObjectName(ObjectName objectName, Object managedResource) throws MalformedObjectNameException(Code)
Append an additional key/value pair to an existing ObjectName with the key being the static value identity and the value being the identity hash code of the managed resource being exposed on the supplied ObjectName . This can be used to provide a unique ObjectName for each distinct instance of a particular bean or class. Useful when generating ObjectName ObjectNames at runtime for a set of managed resources based on the template value supplied by a org.springframework.jmx.export.naming.ObjectNamingStrategy .
Parameters:
  objectName - the original JMX ObjectName
Parameters:
  managedResource - the MBean instance an ObjectName with the MBean identity added
throws:
  MalformedObjectNameException - in case of an invalid object name specification
See Also:   org.springframework.util.ObjectUtils.getIdentityHexString(Object)



getAttributeName
public static String getAttributeName(PropertyDescriptor property, boolean useStrictCasing)(Code)
Return the JMX attribute name to use for the given JavaBeans property.

When using strict casing, a JavaBean property with a getter method such as getFoo() translates to an attribute called Foo. With strict casing disabled, getFoo() would translate to just foo.
Parameters:
  property - the JavaBeans property descriptor
Parameters:
  useStrictCasing - whether to use strict casing the JMX attribute name to use




getClassToExpose
public static Class getClassToExpose(Object managedBean)(Code)
Return the class or interface to expose for the given bean. This is the class that will be searched for attributes and operations (for example, checked for annotations).

This implementation returns the superclass for a CGLIB proxy and the class of the given bean else (for a JDK proxy or a plain bean class).
Parameters:
  managedBean - the bean instance (might be an AOP proxy) the bean class to expose
See Also:   org.springframework.util.ClassUtils.getUserClass(Object)




getClassToExpose
public static Class getClassToExpose(Class beanClass)(Code)
Return the class or interface to expose for the given bean class. This is the class that will be searched for attributes and operations (for example, checked for annotations).

This implementation returns the superclass for a CGLIB proxy and the class of the given bean else (for a JDK proxy or a plain bean class).
Parameters:
  beanClass - the bean class (might be an AOP proxy class) the bean class to expose
See Also:   org.springframework.util.ClassUtils.getUserClass(Class)




getMBeanInterface
public static Class getMBeanInterface(Class clazz)(Code)
Return the Standard MBean interface for the given class, if any (that is, an interface whose name matches the class name of the given class but with suffix "MBean").
Parameters:
  clazz - the class to check the Standard MBean interface for the given class



getMXBeanInterface
public static Class getMXBeanInterface(Class clazz)(Code)
Return the Java 6 MXBean interface exists for the given class, if any (that is, an interface whose name ends with "MXBean" and/or carries an appropriate MXBean annotation).
Parameters:
  clazz - the class to check whether there is an MXBean interface for the given class



getMethodSignature
public static String[] getMethodSignature(Method method)(Code)
Create a String[] representing the argument signature of a method. Each element in the array is the fully qualified class name of the corresponding argument in the methods signature.
Parameters:
  method - the method to build an argument signature for the signature as array of argument types



isMBean
public static boolean isMBean(Class beanClass)(Code)
Determine whether the given bean class qualifies as an MBean as-is.

This implementation checks for javax.management.DynamicMBean classes as well as classes with corresponding "*MBean" interface (Standard MBeans) or corresponding "*MXBean" interface (Java 6 MXBeans).
Parameters:
  beanClass - the bean class to analyze whether the class qualifies as an MBean
See Also:   org.springframework.jmx.export.MBeanExporter.isMBean(Class)




locateMBeanServer
public static MBeanServer locateMBeanServer() throws MBeanServerNotFoundException(Code)
Attempt to find a locally running MBeanServer. Fails if no MBeanServer can be found. Logs a warning if more than one MBeanServer found, returning the first one from the list. the MBeanServer if found
throws:
  org.springframework.jmx.MBeanServerNotFoundException - if no MBeanServer could be found
See Also:   javax.management.MBeanServerFactory.findMBeanServer



locateMBeanServer
public static MBeanServer locateMBeanServer(String agentId) throws MBeanServerNotFoundException(Code)
Attempt to find a locally running MBeanServer. Fails if no MBeanServer can be found. Logs a warning if more than one MBeanServer found, returning the first one from the list.
Parameters:
  agentId - the agent identifier of the MBeanServer to retrieve.If this parameter is null, all registered MBeanServers areconsidered. the MBeanServer if found
throws:
  org.springframework.jmx.MBeanServerNotFoundException - if no MBeanServer could be found
See Also:   javax.management.MBeanServerFactory.findMBeanServer(String)



parameterInfoToTypes
public static Class[] parameterInfoToTypes(MBeanParameterInfo[] paramInfo) throws ClassNotFoundException(Code)
Convert an array of MBeanParameterInfo into an array of Class instances corresponding to the parameters.
Parameters:
  paramInfo - the JMX parameter info the parameter types as classes
throws:
  ClassNotFoundException - if a parameter type could not be resolved



parameterInfoToTypes
public static Class[] parameterInfoToTypes(MBeanParameterInfo[] paramInfo, ClassLoader classLoader) throws ClassNotFoundException(Code)
Convert an array of MBeanParameterInfo into an array of Class instances corresponding to the parameters.
Parameters:
  paramInfo - the JMX parameter info
Parameters:
  classLoader - the ClassLoader to use for loading parameter types the parameter types as classes
throws:
  ClassNotFoundException - if a parameter type could not be resolved



Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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