Examples of org.jboss.servlet.http.HttpEventFilter.doFilterEvent()

Class org.jboss.servlet.http.HttpEventFilter

Examples of org.jboss.servlet.http.HttpEventFilter.doFilterEvent()

org.jboss.servlet.http.HttpEventFilter.doFilterEvent()
The doFilterEvent method of the HttpEventFilter is called by the container each time a request/response pair is passed through the chain due to a client event for a resource at the end of the chain. The HttpEventFilterChain passed in to this method allows the Filter to pass on the event to the next entity in the chain.
A typical implementation of this method would follow the following pattern:-
1. Examine the request
2. Optionally wrap the request object contained in the event with a custom implementation to filter content or headers for input filtering and pass a HttpEvent instance containing the wrapped request to the next filter
3. Optionally wrap the response object contained in the event with a custom implementation to filter content or headers for output filtering and pass a HttpEvent instance containing the wrapped request to the next filter
4. a) Either invoke the next entity in the chain using the HttpEventFilterChain object (chain.doFilterEvent()),
4. b) or not pass on the request/response pair to the next entity in the filter chain to block the event processing
5. Directly set fields on the response after invocation of the next entity in the filter chain. @param event the event that is being processed. Another event may be passed along the chain. @param chain @throws IOException @throws ServletException

                    SecurityUtil.doAsPrivilege
                        ("doFilterEvent", (Filter) filter, cometClassType, args, principal);


                    args = null;
                } else {  
                    filter.doFilterEvent(event, this);
                }


                /*support.fireInstanceEvent(InstanceEvent.AFTER_FILTER_EVENT,
                        filter, event);*/
            } catch (IOException e) {

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                    SecurityUtil.doAsPrivilege
                        ("doFilterEvent", (Filter) filter, cometClassType, args, principal);


                    args = null;
                } else {  
                    filter.doFilterEvent(event, this);
                }


                /*support.fireInstanceEvent(InstanceEvent.AFTER_FILTER_EVENT,
                        filter, event);*/
                pointer--;

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                    SecurityUtil.doAsPrivilege
                        ("doFilterEvent", (Filter) filter, cometClassType, args, principal);


                    args = null;
                } else {  
                    filter.doFilterEvent(event, this);
                }


                /*support.fireInstanceEvent(InstanceEvent.AFTER_FILTER_EVENT,
                        filter, event);*/
            } catch (IOException e) {

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                    SecurityUtil.doAsPrivilege
                        ("doFilterEvent", (Filter) filter, cometClassType, args);


                    args = null;
                } else {  
                    filter.doFilterEvent(event, this);
                }


                /*support.fireInstanceEvent(InstanceEvent.AFTER_FILTER_EVENT,
                        filter, event);*/
            } catch (IOException e) {

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                    SecurityUtil.doAsPrivilege
                        ("doFilterEvent", (Filter) filter, cometClassType, args, principal);


                    args = null;
                } else {  
                    filter.doFilterEvent(event, this);
                }


                /*support.fireInstanceEvent(InstanceEvent.AFTER_FILTER_EVENT,
                        filter, event);*/
            } catch (IOException e) {

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