public interface

WebApplicationContext

implements ApplicationContext
org.springframework.web.context.WebApplicationContext
Known Indirect Subclasses

Class Overview

Interface to provide configuration for a web application. This is read-only while the application is running, but may be reloaded if the implementation supports this.

This interface adds a getServletContext() method to the generic ApplicationContext interface, and defines a well-known application attribute name that the root context must be bound to in the bootstrap process.

Like generic application contexts, web application contexts are hierarchical. There is a single root context per application, while each servlet in the application (including a dispatcher servlet in the MVC framework) has its own child context.

In addition to standard application context lifecycle capabilities, WebApplicationContext implementations need to detect ServletContextAware beans and invoke the setServletContext method accordingly.

Summary

Constants
String CONTEXT_ATTRIBUTES_BEAN_NAME Name of the ServletContext/PortletContext attributes environment bean in the factory.
String CONTEXT_PARAMETERS_BEAN_NAME Name of the ServletContext/PortletContext init-params environment bean in the factory.
String SCOPE_APPLICATION Scope identifier for the global web application scope: "application".
String SCOPE_GLOBAL_SESSION Scope identifier for global session scope: "globalSession".
String SCOPE_REQUEST Scope identifier for request scope: "request".
String SCOPE_SESSION Scope identifier for session scope: "session".
String SERVLET_CONTEXT_BEAN_NAME Name of the ServletContext environment bean in the factory.
[Expand]
Inherited Constants
From interface org.springframework.beans.factory.BeanFactory
From interface org.springframework.core.io.ResourceLoader
From interface org.springframework.core.io.support.ResourcePatternResolver
Fields
public static final String ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE Context attribute to bind root WebApplicationContext to on successful startup.
Public Methods
abstract ServletContext getServletContext()
Return the standard Servlet API ServletContext for this application.
[Expand]
Inherited Methods
From interface org.springframework.beans.factory.BeanFactory
From interface org.springframework.beans.factory.HierarchicalBeanFactory
From interface org.springframework.beans.factory.ListableBeanFactory
From interface org.springframework.context.ApplicationContext
From interface org.springframework.context.ApplicationEventPublisher
From interface org.springframework.context.MessageSource
From interface org.springframework.core.env.EnvironmentCapable
From interface org.springframework.core.io.ResourceLoader
From interface org.springframework.core.io.support.ResourcePatternResolver

Constants

public static final String CONTEXT_ATTRIBUTES_BEAN_NAME

Name of the ServletContext/PortletContext attributes environment bean in the factory.

Constant Value: "contextAttributes"

public static final String CONTEXT_PARAMETERS_BEAN_NAME

Name of the ServletContext/PortletContext init-params environment bean in the factory.

Note: Possibly merged with ServletConfig/PortletConfig parameters. ServletConfig parameters override ServletContext parameters of the same name.

Constant Value: "contextParameters"

public static final String SCOPE_APPLICATION

Scope identifier for the global web application scope: "application". Supported in addition to the standard scopes "singleton" and "prototype".

Constant Value: "application"

public static final String SCOPE_GLOBAL_SESSION

Scope identifier for global session scope: "globalSession". Supported in addition to the standard scopes "singleton" and "prototype".

Constant Value: "globalSession"

public static final String SCOPE_REQUEST

Scope identifier for request scope: "request". Supported in addition to the standard scopes "singleton" and "prototype".

Constant Value: "request"

public static final String SCOPE_SESSION

Scope identifier for session scope: "session". Supported in addition to the standard scopes "singleton" and "prototype".

Constant Value: "session"

public static final String SERVLET_CONTEXT_BEAN_NAME

Name of the ServletContext environment bean in the factory.

See Also
  • javax.servlet.ServletContext
Constant Value: "servletContext"

Fields

public static final String ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE

Context attribute to bind root WebApplicationContext to on successful startup.

Note: If the startup of the root context fails, this attribute can contain an exception or error as value. Use WebApplicationContextUtils for convenient lookup of the root WebApplicationContext.

Public Methods

public abstract ServletContext getServletContext ()

Return the standard Servlet API ServletContext for this application.

Also available for a Portlet application, in addition to the PortletContext.