/**
* Basic sanity-test to ensure that the WComponent app is performing all the processing that it
* should.
*/
@Test
public void testWServletAppCorrectness() throws Exception {
SimpleWServlet servlet = new SimpleWServlet();
servlet.init(new MockServletConfig());
MockHttpSession session = new MockHttpSession();
// First request
sendWServletRequest(servlet, session, 0, null);
// Second request
WServletHelper helper =
new WServletHelper(
servlet, new MockHttpServletRequest(session), new MockHttpServletResponse());
UIContext uic = helper.getUIContext();
SimpleApp app = (SimpleApp) uic.getUI();
sendWServletRequest(servlet, session, 1, uic.getEnvironment().getSessionToken());
setActiveContext(uic);
Assert.assertEquals("Incorrect step", 2, uic.getEnvironment().getStep());
Assert.assertEquals(
"Incorrect property1 value",
"p1_1",
((SimpleFormBean) app.beanContainer.getBean()).getProperty1());
Assert.assertEquals(
"Incorrect property2 value",
"p2_1",
((SimpleFormBean) app.beanContainer.getBean()).getProperty2());
}
/** {@inheritDoc} */
@Override
public void writeHeader(final PrintWriter writer) {
UIContext uic = UIContextHolder.getCurrent();
addHeadlines(writer, uic.getHeaders().getHeadLines());
addJsHeadlines(writer, uic.getHeaders().getHeadLines(Headers.JAVASCRIPT_HEADLINE));
addCssHeadlines(writer, uic.getHeaders().getHeadLines(Headers.CSS_HEADLINE));
}
/** {@inheritDoc} */
@Override
public void serviceRequest(final Request request) {
String triggerId = request.getParameter(WServlet.AJAX_TRIGGER_PARAM_NAME);
AjaxOperation ajaxOperation = AjaxHelper.getCurrentOperation();
if (ajaxOperation == null) {
throw new IllegalStateException("No AJAX operation available for trigger " + triggerId + ".");
}
ComponentWithContext triggerWithContext = AjaxHelper.getCurrentTriggerAndContext();
if (triggerWithContext == null) {
throw new IllegalStateException(
"No component/context available for AJAX trigger " + triggerId + ".");
}
UIContext uic = UIContextHolder.getCurrent();
// Reset the focus for this new request.
uic.setFocussed(null, null);
// We've hit the action phase, so we do want focus on this app.
uic.setFocusRequired(true);
// Process trigger only
if (isProcessTriggerOnly(triggerWithContext, ajaxOperation)) {
// Get user context
UIContext tuic = triggerWithContext.getContext();
UIContextHolder.pushContext(tuic);
try {
WComponent trigger = triggerWithContext.getComponent();
trigger.serviceRequest(request);
// Manually invoke laters as the InvokeLaters in the service request is not run due to the
// trigger
// having a "parent"
tuic.doInvokeLaters();
} finally {
UIContextHolder.popContext();
}
}
// GET only supports the above scenarios
else if ("GET".equals(request.getMethod())) {
throw new IllegalStateException(
"GET is not supported for the AJAX trigger " + triggerId + ".");
} else {
// service the request
super.serviceRequest(request);
}
}
/**
* Render the component and execute the interceptor.
*
* @param testUI the test component
* @return the response
*/
private TestResult generateOutput(final MyComponent testUI) {
InterceptorComponent interceptor = new TransformXMLInterceptor();
interceptor.setBackingComponent(testUI);
MockResponse response = new MockResponse();
interceptor.attachResponse(response);
StringWriter writer = new StringWriter();
UIContext uic = createUIContext();
uic.setLocale(new Locale("xx"));
setActiveContext(uic);
try {
interceptor.paint(new WebXmlRenderContext(new PrintWriter(writer)));
} finally {
resetContext();
}
return new TestResult(writer.toString(), response.getContentType());
}
/**
* Retrieves the application title for the given context. This mess is required due to WWindow
* essentially existing as a separate UI root. If WWindow is eventually removed, then we can just
* retrieve the title from the root WApplication.
*
* @param uic the context to check.
* @return the current application title.
*/
private String getApplicationTitle(final UIContext uic) {
WComponent root = uic.getUI();
String title = root instanceof WApplication ? ((WApplication) root).getTitle() : null;
Map<String, String> params = uic.getEnvironment().getHiddenParameters();
String target = params.get(WWindow.WWINDOW_REQUEST_PARAM_KEY);
if (target != null) {
ComponentWithContext targetComp = WebUtilities.getComponentById(target, true);
if (targetComp != null && targetComp.getComponent() instanceof WWindow) {
try {
UIContextHolder.pushContext(targetComp.getContext());
title = ((WWindow) targetComp.getComponent()).getTitle();
} finally {
UIContextHolder.popContext();
}
}
}
return title == null ? "" : title;
}