com.vaadin.terminal.gwt.server.

Class WebApplicationContext

java.lang.Object
  com.vaadin.terminal.gwt.server.AbstractWebApplicationContext
      com.vaadin.terminal.gwt.server.WebApplicationContext

All Implemented Interfaces:

ApplicationContext, Serializable, EventListener, HttpSessionBindingListener

Direct Known Subclasses:

PortletApplicationContext

extends AbstractWebApplicationContext

Web application context for Vaadin applications. This is automatically added as a HttpSessionBindingListener when added to a HttpSession.

Since:

3.1

Version:

6.8.18

Author:

Vaadin Ltd.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface com.vaadin.service.ApplicationContext
`ApplicationContext.TransactionListener`

Field Summary
`protected HttpSession`	`session`

Fields inherited from class com.vaadin.terminal.gwt.server.AbstractWebApplicationContext
`applications, applicationToAjaxAppMgrMap, browser, listeners`

Constructor Summary
`protected`	`WebApplicationContext()` Creates a new Web Application Context.

Method Summary
`protected void`	`addApplication(Application application)`
`protected void`	`endTransaction(Application application, Object request)` Sends a notification that a transaction has ended.
`static WebApplicationContext`	`getApplicationContext(HttpSession session)` Gets the application context for an HttpSession.
`CommunicationManager`	`getApplicationManager(Application application, AbstractApplicationServlet servlet)` Gets communication manager for an application.
`File`	`getBaseDirectory()` Gets the application context base directory.
`HttpSession`	`getHttpSession()` Gets the http-session application is running in.
`void`	`reinitializeSession()` Discards the current session and creates a new session with the same contents.
`protected void`	`startTransaction(Application application, Object request)` Sends a notification that a transaction is starting.
`void`	`valueUnbound(HttpSessionBindingEvent event)`

Methods inherited from class com.vaadin.terminal.gwt.server.AbstractWebApplicationContext
`addTransactionListener, generateApplicationResourceURL, getApplications, getBrowser, getLastRequestTime, getTotalSessionTime, getURLKey, isApplicationResourceURL, removeApplication, removeTransactionListener, setLastRequestTime, valueBound`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

session

protected transient HttpSession session

Constructor Detail

WebApplicationContext

protected WebApplicationContext()

Creates a new Web Application Context.

Method Detail

startTransaction

protected void startTransaction(Application application,
                                Object request)

Description copied from class: AbstractWebApplicationContext

Sends a notification that a transaction is starting.

Overrides:: startTransaction in class AbstractWebApplicationContext

Parameters:: application - The application associated with the transaction.; request - the HTTP or portlet request that triggered the transaction.

endTransaction

protected void endTransaction(Application application,
                              Object request)

Description copied from class: AbstractWebApplicationContext

Sends a notification that a transaction has ended.

Overrides:: endTransaction in class AbstractWebApplicationContext

Parameters:: application - The application associated with the transaction.; request - the HTTP or portlet request that triggered the transaction.

valueUnbound

public void valueUnbound(HttpSessionBindingEvent event)

Specified by:: valueUnbound in interface HttpSessionBindingListener
Overrides:: valueUnbound in class AbstractWebApplicationContext

See Also:: HttpSessionBindingListener.valueUnbound(HttpSessionBindingEvent)

reinitializeSession

public void reinitializeSession()

Discards the current session and creates a new session with the same contents. The purpose of this is to introduce a new session key in order to avoid session fixation attacks.

getBaseDirectory

public File getBaseDirectory()

Gets the application context base directory.

Returns:: The application base directory or null if the application has no base directory.
See Also:: ApplicationContext.getBaseDirectory()

getHttpSession

public HttpSession getHttpSession()

Gets the http-session application is running in.

Returns:: HttpSession this application context resides in.

getApplicationContext

public static WebApplicationContext getApplicationContext(HttpSession session)

Gets the application context for an HttpSession.

Parameters:: session - the HTTP session.
Returns:: the application context for HttpSession.

addApplication

protected void addApplication(Application application)

getApplicationManager

public CommunicationManager getApplicationManager(Application application,
                                                  AbstractApplicationServlet servlet)

Gets communication manager for an application. If this application has not been running before, a new manager is created.

Parameters:: application -
Returns:: CommunicationManager