/**
* Test that a component has been added to a AjaxRequestTarget, using {@link
* AjaxRequestTarget#addComponent(Component)}. This method actually tests that a component is on
* the AJAX response sent back to the client.
*
* <p>PLEASE NOTE! This method doesn't actually insert the component in the client DOM tree, using
* javascript. But it shouldn't be needed because you have to trust that the Wicket Ajax
* Javascript just works.
*
* @param component The component to test whether it's on the response.
*/
public void assertComponentOnAjaxResponse(Component component) {
String failMessage = "A component which is null could not have been added to the AJAX response";
Assert.assertNotNull(failMessage, component);
// Get the AJAX response
String ajaxResponse = getServletResponse().getDocument();
// Test that the previous response was actually a AJAX response
failMessage =
"The Previous response was not an AJAX response. "
+ "You need to execute an AJAX event, using clickLink, before using this assert";
boolean isAjaxResponse =
ajaxResponse.startsWith("<?xml version=\"1.0\" encoding=\"UTF-8\"?><ajax-response>");
Assert.assertTrue(failMessage, isAjaxResponse);
// See if the component has a markup id
String markupId = component.getMarkupId();
failMessage =
"The component doesn't have a markup id, "
+ "which means that it can't have been added to the AJAX response";
Assert.assertFalse(failMessage, Strings.isEmpty(markupId));
// Look for that the component is on the response, using the markup id
boolean isComponentInAjaxResponse =
ajaxResponse.matches(".*<component id=\"" + markupId + "\" ?>.*");
failMessage = "Component wasn't found in the AJAX response";
Assert.assertTrue(failMessage, isComponentInAjaxResponse);
}
/**
* Adds page related parameters (path and pagemap and optionally version and interface).
*
* <p>If you override this method to behave different then also {@link #encode(RequestCycle,
* IListenerInterfaceRequestTarget)} should be overridden to by in sync with that behaviour.
*
* @param request the incoming request
* @param parameters the parameters object to set the found values on
*/
protected void addInterfaceParameters(final Request request, final RequestParameters parameters) {
// Format of interface target parameter is
// <page-map-name>:<path>:<version>:<interface>
final String requestString = request.getParameter(INTERFACE_PARAMETER_NAME);
if (requestString != null) {
// Split into array of strings
String[] pathComponents = Strings.split(requestString, Component.PATH_SEPARATOR);
// There must be at least 4 components
if (pathComponents.length < 4) {
throw new WicketRuntimeException(
"Internal error parsing " + INTERFACE_PARAMETER_NAME + " = " + requestString);
}
// Set pagemap name
final String pageMapName = pathComponents[0];
parameters.setPageMapName(pageMapName.length() == 0 ? PageMap.DEFAULT_NAME : pageMapName);
// Extract interface name after last colon
final String interfaceName = pathComponents[pathComponents.length - 1];
parameters.setInterfaceName(
interfaceName.length() != 0 ? interfaceName : IRedirectListener.INTERFACE.getName());
// Extract version
final String versionNumberString = pathComponents[pathComponents.length - 2];
final int versionNumber =
Strings.isEmpty(versionNumberString) ? 0 : Integer.parseInt(versionNumberString);
parameters.setVersionNumber(versionNumber);
// Component path is everything after pageMapName and before version
final int start = pageMapName.length() + 1;
final int end =
requestString.length() - interfaceName.length() - versionNumberString.length() - 2;
final String componentPath = requestString.substring(start, end);
parameters.setComponentPath(componentPath);
}
}