org.apache.catalina.mbeans

## Class MBeanUtils

- java.lang.Object
- - org.apache.catalina.mbeans.MBeanUtils

-     public class MBeanUtils
      extends Object

  Public utility methods in support of the server side MBeans implementation.
  Author:
    Craig R. McClanahan, Amy Roh

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `MBeanUtils()`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `static DynamicMBean` | `createMBean(ContextEnvironment environment)` Create, register, and return an MBean for this `ContextEnvironment` object.
    `static DynamicMBean` | `createMBean(ContextResource resource)` Create, register, and return an MBean for this `ContextResource` object.
    `static DynamicMBean` | `createMBean(ContextResourceLink resourceLink)` Create, register, and return an MBean for this `ContextResourceLink` object.
    `static ObjectName` | `createObjectName(String domain, ContextEnvironment environment)` Create an `ObjectName` for this `Service` object.
    `static ObjectName` | `createObjectName(String domain, ContextResource resource)` Create an `ObjectName` for this `ContextResource` object.
    `static ObjectName` | `createObjectName(String domain, ContextResourceLink resourceLink)` Create an `ObjectName` for this `ContextResourceLink` object.
    `static Registry` | `createRegistry()` Create and configure (if necessary) and return the registry of managed object descriptions.
    `static MBeanServer` | `createServer()` Create and configure (if necessary) and return the `MBeanServer` with which we will be registering our `DynamicMBean` implementations.
    `static void` | `destroyMBean(ContextEnvironment environment)` Deregister the MBean for this `ContextEnvironment` object.
    `static void` | `destroyMBean(ContextResource resource)` Deregister the MBean for this `ContextResource` object.
    `static void` | `destroyMBean(ContextResourceLink resourceLink)` Deregister the MBean for this `ContextResourceLink` object.

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### MBeanUtils

          public MBeanUtils()

  - ### Method Detail

    - #### createMBean

          public static DynamicMBean createMBean(ContextEnvironment environment)
                                          throws Exception

      Create, register, and return an MBean for this `ContextEnvironment` object.
      Parameters:
        `environment` - The ContextEnvironment to be managed
      Returns:
        a new MBean
      Throws:
        `Exception` - if an MBean cannot be created or registered

    - #### createMBean

          public static DynamicMBean createMBean(ContextResource resource)
                                          throws Exception

      Create, register, and return an MBean for this `ContextResource` object.
      Parameters:
        `resource` - The ContextResource to be managed
      Returns:
        a new MBean
      Throws:
        `Exception` - if an MBean cannot be created or registered

    - #### createMBean

          public static DynamicMBean createMBean(ContextResourceLink resourceLink)
                                          throws Exception

      Create, register, and return an MBean for this `ContextResourceLink` object.
      Parameters:
        `resourceLink` - The ContextResourceLink to be managed
      Returns:
        a new MBean
      Throws:
        `Exception` - if an MBean cannot be created or registered

    - #### createObjectName

          public static ObjectName createObjectName(String domain,
                                    ContextEnvironment environment)
                                             throws MalformedObjectNameException

      Create an `ObjectName` for this `Service` object.
      Parameters:
        `domain` - Domain in which this name is to be created
        `environment` - The ContextEnvironment to be named
      Returns:
        a new object name
      Throws:
        `MalformedObjectNameException` - if a name cannot be created

    - #### createObjectName

          public static ObjectName createObjectName(String domain,
                                    ContextResource resource)
                                             throws MalformedObjectNameException

      Create an `ObjectName` for this `ContextResource` object.
      Parameters:
        `domain` - Domain in which this name is to be created
        `resource` - The ContextResource to be named
      Returns:
        a new object name
      Throws:
        `MalformedObjectNameException` - if a name cannot be created

    - #### createObjectName

          public static ObjectName createObjectName(String domain,
                                    ContextResourceLink resourceLink)
                                             throws MalformedObjectNameException

      Create an `ObjectName` for this `ContextResourceLink` object.
      Parameters:
        `domain` - Domain in which this name is to be created
        `resourceLink` - The ContextResourceLink to be named
      Returns:
        a new object name
      Throws:
        `MalformedObjectNameException` - if a name cannot be created

    - #### createRegistry

          public static Registry createRegistry()

      Create and configure (if necessary) and return the registry of managed object descriptions.
      Returns:
        the singleton registry

    - #### createServer

          public static MBeanServer createServer()

      Create and configure (if necessary) and return the `MBeanServer` with which we will be registering our `DynamicMBean` implementations.
      Returns:
        the singleton MBean server

    - #### destroyMBean

          public static void destroyMBean(ContextEnvironment environment)
                                   throws Exception

      Deregister the MBean for this `ContextEnvironment` object.
      Parameters:
        `environment` - The ContextEnvironment to be managed
      Throws:
        `Exception` - if an MBean cannot be deregistered

    - #### destroyMBean

          public static void destroyMBean(ContextResource resource)
                                   throws Exception

      Deregister the MBean for this `ContextResource` object.
      Parameters:
        `resource` - The ContextResource to be managed
      Throws:
        `Exception` - if an MBean cannot be deregistered

    - #### destroyMBean

          public static void destroyMBean(ContextResourceLink resourceLink)
                                   throws Exception

      Deregister the MBean for this `ContextResourceLink` object.
      Parameters:
        `resourceLink` - The ContextResourceLink to be managed
      Throws:
        `Exception` - if an MBean cannot be deregistered

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