import java.io.OutputStreamWriter;
import java.net.MalformedURLException;
import java.net.URL;
+import java.util.Collection;
import java.util.Date;
import java.util.Enumeration;
import java.util.HashMap;
import com.itmill.toolkit.service.License.LicenseSignatureIsInvalid;
import com.itmill.toolkit.service.License.LicenseViolation;
import com.itmill.toolkit.terminal.DownloadStream;
-import com.itmill.toolkit.terminal.Paintable;
import com.itmill.toolkit.terminal.ParameterHandler;
import com.itmill.toolkit.terminal.ThemeResource;
import com.itmill.toolkit.terminal.URIHandler;
private static final int MAX_BUFFER_SIZE = 64 * 1024;
- // TODO: these should be moved to session object and stored directly into
- // session
- private static final String SESSION_ATTR_VARMAP = "itmill-toolkit-varmap";
+ private static WeakHashMap applicationToLastRequestDate = new WeakHashMap();
- private static final String SESSION_ATTR_CONTEXT = "itmill-toolkit-context";
-
- protected static final String SESSION_ATTR_APPS = "itmill-toolkit-apps";
-
- private static final String SESSION_BINDING_LISTENER = "itmill-toolkit-bindinglistener";
-
- private static HashMap applicationToLastRequestDate = new HashMap();
-
- private static HashMap applicationToAjaxAppMgrMap = new HashMap();
+ private static WeakHashMap applicationToAjaxAppMgrMap = new WeakHashMap();
// License for ApplicationServlets
- private static HashMap licenseForApplicationClass = new HashMap();
+ private static WeakHashMap licenseForApplicationClass = new WeakHashMap();
- private static HashMap licensePrintedForApplicationClass = new HashMap();
+ private static WeakHashMap licensePrintedForApplicationClass = new WeakHashMap();
// TODO Should default or base theme be the default?
protected static final String DEFAULT_THEME = "base";
private static final long ACTIVE_USER_REQUEST_INTERVAL = 1000 * 45;
private static final int DEFAULT_THEME_CACHETIME = 1000 * 60 * 60 * 24;
+
// Private fields
private Class applicationClass;
return null;
// Gets application list for the session.
- LinkedList applications = (LinkedList) session
- .getAttribute(SESSION_ATTR_APPS);
- if (applications == null)
- return null;
+ Collection applications = WebApplicationContext.getApplicationContext(session).getApplications();
// Search for the application (using the application URI) from the list
Application application = null;
// Removes stopped applications from the list
if (application != null && !application.isRunning()) {
- applications.remove(application);
+ WebApplicationContext.getApplicationContext(session).removeApplication(application);
application = null;
}
LicenseSignatureIsInvalid, InvalidLicenseFile, LicenseViolation,
SAXException {
- Application application = null;
-
- // Gets the application url
+ WebApplicationContext context = WebApplicationContext.getApplicationContext(request.getSession());
URL applicationUrl = getApplicationUrl(request);
- // Gets application list.
- HttpSession session = request.getSession();
- if (session == null)
- return null;
- LinkedList applications = (LinkedList) session
- .getAttribute(SESSION_ATTR_APPS);
- if (applications == null) {
- applications = new LinkedList();
- session.setAttribute(SESSION_ATTR_APPS, applications);
- HttpSessionBindingListener sessionBindingListener = new SessionBindingListener(
- applications);
- session.setAttribute(SESSION_BINDING_LISTENER,
- sessionBindingListener);
- }
-
// Creates new application and start it
try {
- application = (Application) this.applicationClass.newInstance();
- applications.add(application);
+ Application application = (Application) this.applicationClass.newInstance();
+ context.addApplication(application);
- // Sets locale
+ // Sets initial locale from the request
application.setLocale(request.getLocale());
- // Gets application context for this session
- WebApplicationContext context = (WebApplicationContext) session
- .getAttribute(SESSION_ATTR_CONTEXT);
- if (context == null) {
- context = new WebApplicationContext(session);
- session.setAttribute(SESSION_ATTR_CONTEXT, context);
- }
-
// Starts application and check license
initializeLicense(application);
application.start(applicationUrl, this.applicationProperties,
context);
checkLicense(application);
+ return application;
+
} catch (IllegalAccessException e) {
Log.error("Illegal access to application class "
+ this.applicationClass.getName());
+ this.applicationClass.getName());
throw e;
}
-
- return application;
}
/**
HttpSession session = request.getSession();
if (session != null) {
- LinkedList applications = (LinkedList) session
- .getAttribute(SESSION_ATTR_APPS);
- if (applications != null)
- applications.remove(application);
+ WebApplicationContext.getApplicationContext(session).removeApplication(application);
}
response.sendRedirect(response.encodeRedirectURL(logoutUrl));
return "true".equals(debugMode);
}
- /**
- *
- * SessionBindingListener performs Application cleanups after sessions are
- * expired. For each session exists one SessionBindingListener. It contains
- * references to all applications related to single session.
- *
- * @author IT Mill Ltd.
- * @version
- * @VERSION@
- * @since 4.0
- */
-
- private class SessionBindingListener implements HttpSessionBindingListener {
- private LinkedList applications;
-
- /**
- *
- * @param applications
- */
- protected SessionBindingListener(LinkedList applications) {
- this.applications = applications;
- }
-
- /**
- * @see javax.servlet.http.HttpSessionBindingListener#valueBound(HttpSessionBindingEvent)
- */
- public void valueBound(HttpSessionBindingEvent arg0) {
- // We are not interested in bindings
- }
-
- /**
- * @see javax.servlet.http.HttpSessionBindingListener#valueUnbound(HttpSessionBindingEvent)
- */
- public void valueUnbound(HttpSessionBindingEvent event) {
- // If the binding listener is unbound from the session, the
- // session must be closing
- if (event.getName().equals(SESSION_BINDING_LISTENER)) {
- // Close all applications related to given session
- Object[] apps = applications.toArray();
- for (int i = 0; i < apps.length; i++) {
- if (apps[i] != null) {
- // Close application
- ((Application) apps[i]).close();
-
- synchronized (applicationToLastRequestDate) {
- applicationToLastRequestDate.remove(apps[i]);
- }
- synchronized (applicationToAjaxAppMgrMap) {
- applicationToAjaxAppMgrMap.remove(apps[i]);
- }
- // Remove application from applications list
- applications.remove(apps[i]);
- }
- }
- }
- }
- }
/**
* Implementation of ParameterHandler.ErrorEvent interface.
import java.io.StringWriter;
import java.util.Collection;
import java.util.Collections;
+import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
+import javax.servlet.http.HttpSessionBindingEvent;
+import javax.servlet.http.HttpSessionBindingListener;
import com.itmill.toolkit.Application;
import com.itmill.toolkit.service.ApplicationContext;
* @VERSION@
* @since 3.1
*/
-public class WebApplicationContext implements ApplicationContext {
+public class WebApplicationContext implements ApplicationContext, HttpSessionBindingListener {
private List listeners;
private WeakHashMap formActions = new WeakHashMap();
+ private HashSet applications = new HashSet();
+
/**
* Creates a new Web Application Context.
*
* @see com.itmill.toolkit.service.ApplicationContext#getApplications()
*/
public Collection getApplications() {
- LinkedList applications = (LinkedList) session
- .getAttribute(ApplicationServlet.SESSION_ATTR_APPS);
- return Collections
- .unmodifiableCollection(applications == null ? (new LinkedList())
- : applications);
+ return Collections.unmodifiableCollection(applications);
}
/**
*/
static public WebApplicationContext getApplicationContext(
HttpSession session) {
- return new WebApplicationContext(session);
+ WebApplicationContext cx = (WebApplicationContext) session
+ .getAttribute(WebApplicationContext.class.getName());
+ if (cx == null) {
+ cx = new WebApplicationContext(session);
+ session.setAttribute(WebApplicationContext.class.getName(), cx);
+ }
+ return cx;
}
/**
}
}
+ protected void removeApplication(Application application) {
+ applications.remove(application);
+ }
+
+ protected void addApplication(Application application) {
+ applications.add(application);
+ }
+
+
+ /**
+ * @see javax.servlet.http.HttpSessionBindingListener#valueBound(HttpSessionBindingEvent)
+ */
+ public void valueBound(HttpSessionBindingEvent arg0) {
+ // We are not interested in bindings
+ }
+
+ /**
+ * @see javax.servlet.http.HttpSessionBindingListener#valueUnbound(HttpSessionBindingEvent)
+ */
+ public void valueUnbound(HttpSessionBindingEvent event) {
+ // If we are going to be unbound from the session, the session must be closing
+
+ while (!applications.isEmpty()) {
+ Application app = (Application) applications.iterator().next();
+ app.close();
+ removeApplication(app);
+ }
+ }
}
projects / vaadin-framework.git / commitdiff