import java.lang.annotation.Target;
import com.vaadin.shared.communication.PushMode;
+import com.vaadin.shared.ui.ui.Transport;
import com.vaadin.ui.UI;
/**
*/
public PushMode value() default PushMode.AUTOMATIC;
+ /**
+ * Returns the transport type used for the push for the annotated UI. The
+ * default transport type when this annotation is present is
+ * {@link Transport#WEBSOCKET}.
+ *
+ * @return the transport type to use
+ */
+ public Transport transport() default Transport.DEFAULT;
+
}
import com.vaadin.annotations.Title;
import com.vaadin.annotations.Widgetset;
import com.vaadin.shared.communication.PushMode;
+import com.vaadin.shared.ui.ui.Transport;
import com.vaadin.ui.UI;
public abstract class UIProvider implements Serializable {
return push.value();
}
}
+
+ /**
+ * Finds the {@link Transport} to use for a specific UI. If no transport is
+ * defined, <code>null</code> is returned.
+ * <p>
+ * The default implementation uses the @{@link Push} annotation if it's
+ * defined for the UI class.
+ *
+ * @param event
+ * the UI create event with information about the UI and the
+ * current request.
+ * @return the transport type to use, or <code>null</code> if the default
+ * transport type should be used
+ */
+ public Transport getPushTransport(UICreateEvent event) {
+ Push push = getAnnotationFor(event.getUIClass(), Push.class);
+ if (push == null) {
+ return null;
+ } else {
+ return push.transport();
+ }
+ }
+
}
import com.vaadin.server.VaadinSession;
import com.vaadin.shared.ApplicationConstants;
import com.vaadin.shared.communication.PushMode;
+import com.vaadin.shared.ui.ui.Transport;
import com.vaadin.shared.ui.ui.UIConstants;
import com.vaadin.ui.UI;
}
ui.getPushConfiguration().setPushMode(pushMode);
+ Transport transport = provider.getPushTransport(event);
+ if (transport != null) {
+ ui.getPushConfiguration().setTransport(transport);
+ }
+
// Set thread local here so it is available in init
UI.setCurrent(ui);
--- /dev/null
+package com.vaadin.tests.push;
+
+import com.vaadin.annotations.Push;
+import com.vaadin.shared.ui.ui.Transport;
+
+@Push(transport = Transport.STREAMING)
+public class BasicPushStreaming extends BasicPush {
+ @Override
+ protected void setup(com.vaadin.server.VaadinRequest request) {
+ addComponent(new PushConfigurator(this));
+ }
+}
--- /dev/null
+package com.vaadin.tests.push;
+
+import com.vaadin.annotations.Push;
+import com.vaadin.shared.ui.ui.Transport;
+
+@Push(transport = Transport.WEBSOCKET)
+public class BasicPushWebsocket extends BasicPush {
+}
--- /dev/null
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
+<head profile="http://selenium-ide.openqa.org/profiles/test-case">
+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
+<link rel="selenium.base" href="http://localhost:8888/" />
+<title>New Test</title>
+</head>
+<body>
+<table cellpadding="1" cellspacing="1" border="1">
+<thead>
+<tr><td rowspan="1" colspan="3">New Test</td></tr>
+</thead><tbody>
+<tr>
+ <td>open</td>
+ <td>/run/com.vaadin.tests.push.BasicPushStreaming?debug&restartApplication</td>
+ <td></td>
+</tr>
+<tr>
+ <td>waitForTextPresent</td>
+ <td>Push connection established using streaming</td>
+ <td></td>
+</tr>
+<tr>
+ <td>assertTextNotPresent</td>
+ <td>Push connection established using websocket</td>
+ <td></td>
+</tr>
+<tr>
+ <td>open</td>
+ <td>/run/com.vaadin.tests.push.BasicPushWebsocket?debug&restartApplication</td>
+ <td></td>
+</tr>
+<tr>
+ <td>assertTextNotPresent</td>
+ <td>Push connection established using streaming</td>
+ <td></td>
+</tr>
+<tr>
+ <td>waitForTextPresent</td>
+ <td>Push connection established using websocket</td>
+ <td></td>
+</tr>
+</tbody></table>
+</body>
+</html>