use of com.vaadin.flow.server.VaadinServletRequest in project flow by vaadin.
the class LegacyPropertyEnabledTestServlet method testEnclosingUIClass.
@Test
public void testEnclosingUIClass() throws Exception {
ServletInUI servlet = new MockUIContainingServlet.ServletInUI();
servlet.init(new MockServletConfig());
Class<? extends UI> uiClass = BootstrapHandler.getUIClass(new VaadinServletRequest(EasyMock.createMock(HttpServletRequest.class), servlet.getService()));
Assert.assertEquals(MockUIContainingServlet.class, uiClass);
}
use of com.vaadin.flow.server.VaadinServletRequest in project flow by vaadin.
the class PushHandler method callWithUi.
/**
* Find the UI for the atmosphere resource, lock it and invoke the callback.
*
* @param resource
* the atmosphere resource for the current request
* @param callback
* the push callback to call when a UI is found and locked
* @param websocket
* true if this is a websocket message (as opposed to a HTTP
* request)
*/
private void callWithUi(final AtmosphereResource resource, final PushEventCallback callback, boolean websocket) {
AtmosphereRequest req = resource.getRequest();
VaadinServletRequest vaadinRequest = new VaadinServletRequest(req, service);
VaadinSession session = null;
if (websocket) {
// For any HTTP request we have already started the request in the
// servlet
service.requestStart(vaadinRequest, null);
}
try {
try {
session = service.findVaadinSession(vaadinRequest);
assert VaadinSession.getCurrent() == session;
} catch (SessionExpiredException e) {
sendNotificationAndDisconnect(resource, VaadinService.createSessionExpiredJSON());
return;
}
UI ui = null;
session.lock();
try {
ui = service.findUI(vaadinRequest);
assert UI.getCurrent() == ui;
if (ui == null) {
sendNotificationAndDisconnect(resource, VaadinService.createUINotFoundJSON());
} else {
callback.run(resource, ui);
}
} catch (final IOException e) {
callErrorHandler(session, e);
} catch (final Exception e) {
SystemMessages msg = service.getSystemMessages(ServletHelper.findLocale(null, vaadinRequest), vaadinRequest);
AtmosphereResource errorResource = resource;
if (ui != null && ui.getInternals().getPushConnection() != null) {
// We MUST use the opened push connection if there is one.
// Otherwise we will write the response to the wrong request
// when using streaming (the client -> server request
// instead of the opened push channel)
errorResource = ((AtmospherePushConnection) ui.getInternals().getPushConnection()).getResource();
}
sendNotificationAndDisconnect(errorResource, VaadinService.createCriticalNotificationJSON(msg.getInternalErrorCaption(), msg.getInternalErrorMessage(), null, msg.getInternalErrorURL()));
callErrorHandler(session, e);
} finally {
try {
session.unlock();
} catch (Exception e) {
getLogger().warn("Error while unlocking session", e);
// can't call ErrorHandler, we (hopefully) don't have a lock
}
}
} finally {
try {
if (websocket) {
service.requestEnd(vaadinRequest, null, session);
}
} catch (Exception e) {
getLogger().warn("Error while ending request", e);
// can't call ErrorHandler, we don't have a lock
}
}
}
use of com.vaadin.flow.server.VaadinServletRequest in project flow by vaadin.
the class PushHandler method connectionLost.
void connectionLost(AtmosphereResourceEvent event) {
if (event == null) {
getLogger().error("Could not get event. This should never happen.");
return;
}
// We don't want to use callWithUi here, as it assumes there's a client
// request active and does requestStart and requestEnd among other
// things.
AtmosphereResource resource = event.getResource();
if (resource == null) {
getLogger().error("Could not get resource. This should never happen.");
return;
}
VaadinServletRequest vaadinRequest = new VaadinServletRequest(resource.getRequest(), service);
VaadinSession session;
try {
session = service.findVaadinSession(vaadinRequest);
} catch (SessionExpiredException e) {
// This happens at least if the server is restarted without
// preserving the session. After restart the client reconnects, gets
// a session expired notification and then closes the connection and
// ends up here
getLogger().debug("Session expired before push disconnect event was received", e);
return;
}
UI ui;
session.lock();
try {
VaadinSession.setCurrent(session);
// Sets UI.currentInstance
ui = service.findUI(vaadinRequest);
if (ui == null) {
/*
* UI not found, could be because FF has asynchronously closed
* the websocket connection and Atmosphere has already done
* cleanup of the request attributes.
*
* In that case, we still have a chance of finding the right UI
* by iterating through the UIs in the session looking for one
* using the same AtmosphereResource.
*/
ui = findUiUsingResource(resource, session.getUIs());
if (ui == null) {
getLogger().debug("Could not get UI. This should never happen," + " except when reloading in Firefox and Chrome -" + " see http://dev.vaadin.com/ticket/14251.");
return;
} else {
getLogger().info("No UI was found based on data in the request," + " but a slower lookup based on the AtmosphereResource succeeded." + " See http://dev.vaadin.com/ticket/14251 for more details.");
}
}
PushMode pushMode = ui.getPushConfiguration().getPushMode();
AtmospherePushConnection pushConnection = getConnectionForUI(ui);
String id = resource.uuid();
if (pushConnection == null) {
getLogger().warn("Could not find push connection to close: {} with transport {}", id, resource.transport());
} else {
if (!pushMode.isEnabled()) {
/*
* The client is expected to close the connection after push
* mode has been set to disabled.
*/
getLogger().debug("Connection closed for resource {}", id);
} else {
/*
* Unexpected cancel, e.g. if the user closes the browser
* tab.
*/
getLogger().debug("Connection unexpectedly closed for resource {} with transport {}", id, resource.transport());
}
pushConnection.connectionLost();
}
} catch (final Exception e) {
callErrorHandler(session, e);
} finally {
try {
session.unlock();
} catch (Exception e) {
getLogger().warn("Error while unlocking session", e);
// can't call ErrorHandler, we (hopefully) don't have a lock
}
}
}
use of com.vaadin.flow.server.VaadinServletRequest in project flow by vaadin.
the class UidlWriter method getDependencyContents.
private static String getDependencyContents(String url) {
HttpServletRequest currentRequest = ((VaadinServletRequest) VaadinService.getCurrentRequest()).getHttpServletRequest();
Charset requestCharset = Optional.ofNullable(currentRequest.getCharacterEncoding()).filter(string -> !string.isEmpty()).map(Charset::forName).orElse(StandardCharsets.UTF_8);
try (InputStream inlineResourceStream = getInlineResourceStream(url);
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inlineResourceStream, requestCharset))) {
return bufferedReader.lines().collect(Collectors.joining(System.lineSeparator()));
} catch (IOException e) {
throw new IllegalStateException(String.format(COULD_NOT_READ_URL_CONTENTS_ERROR_MESSAGE, url), e);
}
}
use of com.vaadin.flow.server.VaadinServletRequest in project flow by vaadin.
the class DefaultTemplateParserTest method defaultParser_servletPathIsNotEmpty_returnsContent.
@Test
public void defaultParser_servletPathIsNotEmpty_returnsContent() {
VaadinServletRequest request = (VaadinServletRequest) CurrentInstance.get(VaadinRequest.class);
Mockito.when(resolver.resolveVaadinUri("bar.html")).thenReturn("./../bar.html");
Mockito.when(resolver.resolveVaadinUri("bar1.html")).thenReturn("./../bar1.html");
Mockito.when(request.getServletPath()).thenReturn("/run/");
Mockito.when(servletContext.getResourceAsStream("/run/./../bar.html")).thenReturn(new ByteArrayInputStream("<dom-module id='bar'></dom-module>".getBytes(StandardCharsets.UTF_8)));
Mockito.when(servletContext.getResourceAsStream("/run/./../bar1.html")).thenReturn(new ByteArrayInputStream("<dom-module id='foo'></dom-module>".getBytes(StandardCharsets.UTF_8)));
Element element = DefaultTemplateParser.getInstance().getTemplateContent(ImportsInspectTemplate.class, "foo").getTemplateElement();
Assert.assertTrue(element.getElementById("foo") != null);
}
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