Need new exception wrapper to know whether JSF needs to report the exception
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Key: TRINIDAD-2038
URL: https://issues.apache.org/jira/browse/TRINIDAD-2038
Project: MyFaces Trinidad
Issue Type: Bug
Affects Versions: 2.0.0-beta-1
Reporter: hongbing wang
There are cases that exception is thrown in update model phase, like model
layer validation failure, by model outside of JSF and the exception is also
handled and reported outside of JSF. To avoid the component's local value
getting reset to null, JSF needs to be notified. The proposed solution is to
re-throw a wrappered exception to JSF and also let JSF to know whether it needs
to report the exception.
Here is the interface of the wrapper:
package org.apache.myfaces.trinidad.context;
/**
* Interface for exceptions that tells whether the exception needs to be
reported.
* If an exception is thrown during JSF lifycycle and aleady reported, then it
should let
* JSF know not to report it again.
*
*/
public interface ExceptionWrapper
{
/**
* Return false if JSF doesn't need to report this exception, otherwise ture.
*/
public boolean isReportingMessage();
}
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