org.loom.exception
Interface ExceptionHandler

All Known Implementing Classes:

DefaultExceptionHandler

public interface ExceptionHandler

Translates an application-produced Exception into one that can be handled by Loom

Method Summary

void	handle(LoomServletRequest request, LoomServletResponse response, java.lang.Throwable exception)
void	redirectWithErrors(LoomServletRequest request, LoomServletResponse response) Redirect to the source form page (extracted using the REFERER header).

Method Detail

handle

void handle(LoomServletRequest request,
            LoomServletResponse response,
            java.lang.Throwable exception)
            throws java.io.IOException,
                   javax.servlet.ServletException

Throws:

java.io.IOException

javax.servlet.ServletException

redirectWithErrors

void redirectWithErrors(LoomServletRequest request,
                        LoomServletResponse response)
                        throws java.io.IOException,
                               javax.servlet.ServletException

Redirect to the source form page (extracted using the REFERER header). This method is invoked if the request cannot be processed due to user-introduced errors (such as conversion or validation errors). The request gets redirected to the source page, storing the current request data and error messages in the flash context to be restored later.

Throws:

javax.servlet.ServletException

UnhandledValidationErrorsException - if the source page cannot be identified

java.io.IOException