org.apache.jasper.runtime

Class JspApplicationContextImpl

java.lang.Object

org.apache.jasper.runtime.JspApplicationContextImpl

All Implemented Interfaces:

JspApplicationContext

public class JspApplicationContextImpl
extends java.lang.Object
implements JspApplicationContext

Implementation of JspApplicationContext

Author:

Jacob Hookom

Constructor Summary

Constructors

Constructor and Description
JspApplicationContextImpl()

Method Summary

Modifier and Type	Method and Description
void	addELContextListener(ELContextListener listener) Registers an ELContextListener that will be notified whenever a new ELContext is created.
void	addELResolver(ELResolver resolver) Adds an ELResolver to the chain of EL variable and property management within JSP pages and Tag files.
ELContextImpl	createELContext(JspContext context)
protected void	fireListeners(ELContext elContext)
ExpressionFactory	getExpressionFactory() Returns the JSP container's ExpressionFactory implementation for EL use.
static JspApplicationContextImpl	getInstance(ServletContext context)

Methods inherited from class java.lang.Object

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

Constructor Detail

JspApplicationContextImpl

public JspApplicationContextImpl()

Method Detail

addELContextListener

public void addELContextListener(ELContextListener listener)

Description copied from interface: javax.servlet.jsp.JspApplicationContext

Registers an ELContextListener that will be notified whenever a new ELContext is created.

At the very least, any ELContext instantiated will have reference to the JspContext under JspContext.class.

Specified by:

addELContextListener in interface JspApplicationContext

Parameters:

listener - The listener to add

getInstance

public static JspApplicationContextImpl getInstance(ServletContext context)

createELContext

public ELContextImpl createELContext(JspContext context)

fireListeners

protected void fireListeners(ELContext elContext)

addELResolver

public void addELResolver(ELResolver resolver)
                   throws java.lang.IllegalStateException

Description copied from interface: javax.servlet.jsp.JspApplicationContext

Adds an ELResolver to the chain of EL variable and property management within JSP pages and Tag files.

JSP has a default set of ELResolvers to chain for all EL evaluation:

• ImplicitObjectELResolver
• ELResolver instances registered with this method
• MapELResolver
• ListELResolver
• ArrayELResolver
• BeanELResolver
• ScopedAttributeELResolver

Specified by:

addELResolver in interface JspApplicationContext

Parameters:

resolver - an additional resolver

Throws:

java.lang.IllegalStateException - if called after the application's ServletContextListeners have been initialized.

getExpressionFactory

public ExpressionFactory getExpressionFactory()

Description copied from interface: javax.servlet.jsp.JspApplicationContext

Returns the JSP container's ExpressionFactory implementation for EL use.

Specified by:

getExpressionFactory in interface JspApplicationContext

Returns:

an ExpressionFactory implementation