oracle.adf.controller.lifecycle

Class PageLifecycleFactory

java.lang.Object
oracle.adf.controller.lifecycle.PageLifecycleFactory

Direct Known Subclasses:

DefaultPageLifecycleFactory

public abstract class PageLifecycleFactory

extends java.lang.Object

A factory to create PageLifecycle instances.

Subclass PageLifecycleFactory to create your own PageLifecycleFactory and provide alternate PageLifecycle instance to all web page. Specify your PageLifecycleFactory subclass in the web-xml file using the ADFPageLifecycleFactory init param:

 <web-app>
   <context-param>
     <param-name>ADFPageLifecycleFactory</param-name>
     <param-value>mypackage.myLifecycleFactory</param-value>
   </context-param>
   ...
 </web-app>
 

If no alternate PageLifecycleFactory is defined in the web-xml, the default is to use DefaultPageLifecycleFactory.

Since:

9.0.5

Field Summary

static java.lang.String	INIT_PARAM Name of the servlet context init parameter used to defined a customize PageLifecycleFactory.
static java.lang.String	LIFECYCLE_FACTORY_ATTR Name of the servlet context attribute used to save the instance of the LifecycleFactory for this web application.

Constructor Summary

protected

PageLifecycleFactory()

Method Summary

static PageLifecycleFactory	getInstance(javax.servlet.ServletContext servletContext) Helper method to instanciate the factory given the ServletContext.
abstract PageLifecycle	getPageLifecycle(java.lang.String path) Return a PageLifecycle for given a page path.

Methods inherited from class java.lang.Object

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

Field Detail

INIT_PARAM

public static final java.lang.String INIT_PARAM

Name of the servlet context init parameter used to defined a customize PageLifecycleFactory. The value of this parameter is the fully qualified class name of the new factory.

See Also:

Constant Field Values

LIFECYCLE_FACTORY_ATTR

public static final java.lang.String LIFECYCLE_FACTORY_ATTR

Name of the servlet context attribute used to save the instance of the LifecycleFactory for this web application.

See Also:

Constant Field Values

Constructor Detail

PageLifecycleFactory

protected PageLifecycleFactory()

Method Detail

getInstance

public static PageLifecycleFactory getInstance(javax.servlet.ServletContext servletContext)

Helper method to instanciate the factory given the ServletContext. The ServletContext possibly contain the class name of a sustitued factory as the value an init parameter named "ADFPageLifecycleFactory". Once the factory class is determined, the instance is cached as a parameter of the servlet context.

Parameters:

servletContext -

Returns:

getPageLifecycle

public abstract PageLifecycle getPageLifecycle(java.lang.String path)

Return a PageLifecycle for given a page path. The customized lifecycle should subclass PageLifecycle to support the base functionality. The page path give the flexibility of returning a different lifecycle for different type of web page like jsp, xml or uix.

Parameters:

path - the web page path

Returns:

a customized PageLifecycle