org.apache.cocoon.spring.configurator
Class WebAppContextUtils

java.lang.Object
  org.apache.cocoon.spring.configurator.WebAppContextUtils

public abstract class WebAppContextUtils

extends Object

Utility class to manage hierarchical application contexts.

Since:

1.0

Version:

$Id: WebAppContextUtils.java 606207 2007-12-21 14:17:33Z vgritsenko $

Nested Class Summary

protected static class

WebAppContextUtils.ContextInfo Private bean keeping track of the class loader and web application context.

Field Summary

static String

CONTAINER_REQUEST_ATTRIBUTE The name of the request attribute containing the current bean factory.

Constructor Summary

WebAppContextUtils()

Method Summary

static Object	enteringContext(WebApplicationContext webAppContext) Notify about entering this context.
static WebApplicationContext	getCurrentWebApplicationContext() Get the current web application context.
protected static WebApplicationContext	getCurrentWebApplicationContext(RequestAttributes attributes) Return the current web application context or if the attributes are null, the parent context.
static void	leavingContext(WebApplicationContext webAppContext, Object handle) Notify about leaving this context.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

CONTAINER_REQUEST_ATTRIBUTE

public static final String CONTAINER_REQUEST_ATTRIBUTE

The name of the request attribute containing the current bean factory.

Constructor Detail

WebAppContextUtils

public WebAppContextUtils()

Method Detail

getCurrentWebApplicationContext

public static WebApplicationContext getCurrentWebApplicationContext()

Get the current web application context.

Returns:

The current web application context.

Throws:

IllegalStateException - if no WebApplicationContext could not be found

getCurrentWebApplicationContext

protected static WebApplicationContext getCurrentWebApplicationContext(RequestAttributes attributes)

Return the current web application context or if the attributes are null, the parent context.

Parameters:

attributes - The request attributes.

Returns:

The web application context.

Throws:

IllegalStateException - if no WebApplicationContext could not be found

enteringContext

public static Object enteringContext(WebApplicationContext webAppContext)

Notify about entering this context.

Parameters:

webAppContext - The current web application context.

Returns:

A handle which should be passed to leavingContext(WebApplicationContext, Object).

leavingContext

public static void leavingContext(WebApplicationContext webAppContext,
                                  Object handle)

Notify about leaving this context.

Parameters:

webAppContext - The current web application context.

handle - The returned handle from enteringContext(WebApplicationContext).