package com.sivalabs.phonebook.web;
import java.util.Iterator;
import javax.faces.FacesException;
import javax.faces.application.NavigationHandler;
import javax.faces.application.ViewExpiredException;
import javax.faces.context.ExceptionHandler;
import javax.faces.context.ExceptionHandlerWrapper;
import javax.faces.context.FacesContext;
import javax.faces.event.ExceptionQueuedEvent;
import javax.faces.event.ExceptionQueuedEventContext;
public class ViewExpiredExceptionHandler extends ExceptionHandlerWrapper {
private ExceptionHandler wrapped;
public ViewExpiredExceptionHandler(ExceptionHandler wrapped) {
this.wrapped = wrapped;
}
@Override
public ExceptionHandler getWrapped() {
return this.wrapped;
}
@Override
public void handle() throws FacesException {
Iterable<ExceptionQueuedEvent> events = this.wrapped.getUnhandledExceptionQueuedEvents();
for(Iterator<ExceptionQueuedEvent> it = events.iterator(); it.hasNext();) {
ExceptionQueuedEvent event = it.next();
ExceptionQueuedEventContext eqec = event.getContext();
if(eqec.getException() instanceof ViewExpiredException) {
FacesContext context = eqec.getContext();
NavigationHandler navHandler = context.getApplication().getNavigationHandler();
try {
navHandler.handleNavigation(context, null, "welcome.jsf?faces-redirect=true&expired=true");
}
finally {
it.remove();
}
}
}
this.wrapped.handle();;
}
}