psdi.util

Class MXExceptionMediator

java.lang.Object

psdi.util.MXExceptionMediator

public class MXExceptionMediator
extends java.lang.Object

This static class allows Maximo extensions to plugin exception handling for exception classes that are not subclasses of MXException. The MXExceptionMediator is supposed to be called from Maximo code to: - get translated/localized exception messages - convert exceptions into MXExceptions To plugin exception handling for a new Exception class: - create a new class that implements the MXExceptionAdapter interface - register an instance of the new class with the MXExceptionMediator by calling the MXExceptionMediator.registerExceptionAdapter() method.

Constructor Summary

Constructors

Constructor and Description
MXExceptionMediator()

Method Summary

Modifier and Type	Method and Description
static java.lang.String	getMessage(java.lang.Throwable throwable, java.lang.String langCode) Retrieves the localized/translated exception message for the specified exception and language code.
static void	registerExceptionAdapter(java.lang.Class exceptionClass, MXExceptionAdapter exceptionAdapter) Registers a new MXExceptionAdapter with MXExceptionMediator.
static MXException	toMXException(java.lang.Throwable throwable) Converts the specified exception into an MXException.
static void	unregisterExceptionAdapter(java.lang.Class exceptionClass) Unregisters an MXExceptionAdapter

Methods inherited from class java.lang.Object

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

Constructor Detail

MXExceptionMediator

public MXExceptionMediator()

Method Detail

registerExceptionAdapter

public static void registerExceptionAdapter(java.lang.Class exceptionClass,
                                            MXExceptionAdapter exceptionAdapter)
                                     throws MXException

Registers a new MXExceptionAdapter with MXExceptionMediator. The new MXExceptionAdapter must satisfy the following conditions: - handle a subclass of java.lang.Exception - not handle java.lang.Exception or java.lang.RuntimeException If another MXExceptionAdapter is already registered to handle the same exception class, then the registration fails.

Parameters:

exceptionClass - The exception class handled by the specified MXExceptionAdapter

exceptionAdapter - The new MXExceptionAdapter

Throws:

MXException

unregisterExceptionAdapter

public static void unregisterExceptionAdapter(java.lang.Class exceptionClass)
                                       throws MXException

Unregisters an MXExceptionAdapter

Parameters:

exceptionClass - The exception class handled by the MXExceptionAdapter to be unregistered

Throws:

MXException

getMessage

public static java.lang.String getMessage(java.lang.Throwable throwable,
                                          java.lang.String langCode)

Retrieves the localized/translated exception message for the specified exception and language code. If the specified exception is not a subclass of java.lang.Exception or if there is no MXExceptionAdapter that can handle the exception, this method returns throwable.getLocalizedMessage().

Parameters:

throwable - The exception for which to retrieve the message.

langCode - The Maximo language code for which to retrieve the message.

toMXException

public static MXException toMXException(java.lang.Throwable throwable)

Converts the specified exception into an MXException. This method return null if the specified exception is not a subclass of java.lang.Exception or if there is no MXExceptionAdapter that can handle the exception.

Parameters:

throwable - The exception to be converted.