source: EDIS/trunk/java/tracking-ui-core/src/main/flex/gov/va/med/edp/command/AbstractResponderCommand.as

Last change on this file was 1237, checked in by Solomon Blaz, 13 years ago

fixed flex compiler warning

File size: 3.4 KB
Line 
1package gov.va.med.edp.command
2{
3 import flash.system.System;
4 import flash.utils.getQualifiedClassName;
5 import flash.net.URLRequest;
6 import flash.net.navigateToURL;
7
8 import gov.va.med.edp.control.ClearUnsavedViewsModelEvent;
9 import gov.va.med.edp.control.SwitchAppViewEvent
10 import gov.va.med.edp.model.TrackingModelLocator;
11 import gov.va.med.edp.view.ErrorDialog;
12
13import mx.core.Application;
14import mx.events.CloseEvent;
15 import mx.rpc.IResponder;
16 import mx.rpc.events.FaultEvent;
17 import mx.rpc.http.HTTPService;
18
19 public class AbstractResponderCommand implements IResponder
20 {
21 public function result(data:Object):void {
22 // NOOP: must override
23 }
24
25 public function fault(info:Object):void {
26 var f:FaultEvent = info as FaultEvent;
27 if (f.fault.faultCode == "Client.Error.RequestTimeout" || f.fault.faultCode == "Server.Error.Request") {
28 handleServerUnavailable(f);
29 } else if (f.fault.faultCode == HTTPService.ERROR_DECODING) { // XML parser choking on HTML error page
30 if (isLoginPage(String(f.fault.rootCause))) {
31 ErrorDialog.show("Your session appears to be invalid.\nYou will be now be asked to log in.\nUnsaved changes will be lost.", createFaultDetail(f), "Invalid Session", attemptLogin, "Login");
32 } else {
33 handleServerError(f);
34 }
35 } else {
36 handleUnknownError(f);
37 }
38 }
39
40 protected function getFaultMessage(faultEvent:FaultEvent) : String {
41 return faultEvent.fault.faultString;
42 }
43
44 protected function createFaultDetail(faultEvent:FaultEvent) : Object {
45 var detail:Object = {};
46 detail.command = getQualifiedClassName(this);
47 detail.fault = faultEvent.fault;
48 detail.totalMemory = System.totalMemory;
49 detail.currentTarget = faultEvent.currentTarget;
50 return detail;
51 }
52
53 protected function handleServerUnavailable(f:FaultEvent) : void {
54 TrackingModelLocator.getInstance().disconnectionFault = f.fault;
55 TrackingModelLocator.getInstance().disconnected = true;
56 }
57
58 protected function handleServerError(f:FaultEvent) : void {
59 if (TrackingModelLocator.getInstance().appName == TrackingModelLocator.APP_NAME_BIGBOARD) {
60 reloadBoard();
61 } else {
62 ErrorDialog.fatal(getFaultMessage(f), createFaultDetail(f)); // sign of a unknown server-side error
63 }
64 }
65
66 protected function handleUnknownError(f:FaultEvent) : void {
67 if (TrackingModelLocator.getInstance().appName == TrackingModelLocator.APP_NAME_BIGBOARD) {
68 reloadBoard();
69 } else {
70 ErrorDialog.show(getFaultMessage(f), createFaultDetail(f)); // default is non-fatal
71 }
72 }
73
74 private function isLoginPage(result:String):Boolean {
75 return result.indexOf("<TITLE>Login Page</TITLE>") != -1;
76 }
77
78 private function attemptLogin():void {
79 ClearUnsavedViewsModelEvent.dispatchClearUnsavedViews();
80 var request: URLRequest = new URLRequest(TrackingModelLocator.getInstance().rootURL);
81 navigateToURL(request, "_top");
82 }
83
84 private function reloadBoard():void {
85 if (TrackingModelLocator.getInstance().reloadFunction != null)
86 TrackingModelLocator.getInstance().reloadFunction.call(null);
87 }
88 }
89}
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