org.zkoss.zest.sys
Interface ErrorHandler

All Known Implementing Classes:

ErrorHandlerImpl

public interface ErrorHandler

The error handler for handling exceptions thrown when processing a request.

Author:

tomyeh

Method Summary

void	onError(ActionContext ac, java.lang.Object action, java.lang.Throwable ex) Called when an exception is thrown.
void	onParamError(ActionContext ac, java.lang.Object action, java.lang.String name, java.lang.String value, java.lang.Throwable ex) Called when an exception is thrown when coercing a request parameter to be stored in an action.

Method Detail

onError

void onError(ActionContext ac,
             java.lang.Object action,
             java.lang.Throwable ex)
             throws java.lang.Throwable

Called when an exception is thrown. If the error handler cannot handle it, it has to re-throw the exception.

Throws:

java.lang.Throwable

onParamError

void onParamError(ActionContext ac,
                  java.lang.Object action,
                  java.lang.String name,
                  java.lang.String value,
                  java.lang.Throwable ex)
                  throws java.lang.Throwable

Called when an exception is thrown when coercing a request parameter to be stored in an action. If the error handler cannot handle it, it has to re-throw the exception.

Parameters:

name - the parameter's name

value - the parameter's value

ex - the exception being caught

Throws:

java.lang.Throwable