com.haulmont.cuba.gui.exception

Class AbstractGenericExceptionHandler

java.lang.Object

com.haulmont.cuba.gui.exception.AbstractGenericExceptionHandler

All Implemented Interfaces:

GenericExceptionHandler

Direct Known Subclasses:

AccessDeniedHandler, EntityAccessExceptionHandler, FileStorageExceptionHandler, NoSuchScreenHandler, NumericOverflowExceptionHandler, OptimisticExceptionHandler, RowLevelSecurityExceptionHandler, ServiceCallValidationExceptionHandler, SilentExceptionHandler, UnfetchedAttributeAccessExceptionHandler

public abstract class AbstractGenericExceptionHandler
extends java.lang.Object
implements GenericExceptionHandler

Base class for exception handlers determining their ability to handle an exception by its class name and optional implementation of canHandle(String, String, Throwable) method.

If you need to handle a specific exception, create a descendant of this class, pass handled exception class names into constructor, implement doHandle(String, String, Throwable, WindowManager) method and annotate the class with @Component.

Field Summary

Fields inherited from interface com.haulmont.cuba.gui.exception.GenericExceptionHandler

HIGHEST_PLATFORM_PRECEDENCE, LOWEST_PLATFORM_PRECEDENCE

Constructor Summary

Constructors

Constructor and Description
AbstractGenericExceptionHandler(java.lang.String... classNames)

Method Summary

Modifier and Type	Method and Description
boolean	handle(java.lang.Throwable exception, WindowManager windowManager) Handle an exception.

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractGenericExceptionHandler

public AbstractGenericExceptionHandler(java.lang.String... classNames)

Method Detail

handle

public boolean handle(java.lang.Throwable exception,
                      WindowManager windowManager)

Description copied from interface: GenericExceptionHandler

Handle an exception. Implementation class should either handle the exception and return true, or return false to delegate execution to the next handler in the chain of responsibility.

Specified by:

handle in interface GenericExceptionHandler

Parameters:

exception - exception instance

windowManager - WindowManager instance

Returns:

true if the exception has been successfully handled, false if not