Package org.zkoss.web.servlet.xel

Class RequestXelResolver

java.lang.Object

org.zkoss.web.servlet.xel.RequestXelResolver

All Implemented Interfaces:

org.zkoss.xel.VariableResolver

public abstract class RequestXelResolver
extends java.lang.Object
implements org.zkoss.xel.VariableResolver

A XEL variable resolver that is based on Servlet request, response, and EL.

Since:

3.0.0

Author:

tomyeh

Constructor Summary

Constructors

Constructor	Description
RequestXelResolver(jakarta.servlet.ServletContext ctx, jakarta.servlet.ServletRequest request)
RequestXelResolver(jakarta.servlet.ServletContext ctx, jakarta.servlet.ServletRequest request, jakarta.servlet.ServletResponse response)	Request-based resolver.
RequestXelResolver(jakarta.servlet.ServletRequest request)

Method Summary

Modifier and Type	Method	Description
abstract org.zkoss.xel.ExpressionFactory	getExpressionFactory()	Returns the expression factory (never null).
PageContext	getPageContext()	Returns the page context.
jakarta.servlet.ServletRequest	getRequest()	Returns the request.
jakarta.servlet.ServletResponse	getResponse()	Returns the response.
jakarta.servlet.ServletContext	getServletContext()	Returns the context.
java.lang.Object	resolveVariable(java.lang.String name)

Methods inherited from class java.lang.Object

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

Constructor Detail

RequestXelResolver

public RequestXelResolver(jakarta.servlet.ServletContext ctx,
                          jakarta.servlet.ServletRequest request,
                          jakarta.servlet.ServletResponse response)

Request-based resolver.

Parameters:

ctx - the context; which might be null

request - the request. It cannot be null.

response - the response, which might bell.

Throws:

java.lang.IllegalArgumentException - if request is null.

RequestXelResolver

public RequestXelResolver(jakarta.servlet.ServletContext ctx,
                          jakarta.servlet.ServletRequest request)

RequestXelResolver

public RequestXelResolver(jakarta.servlet.ServletRequest request)

Method Detail

getExpressionFactory

public abstract org.zkoss.xel.ExpressionFactory getExpressionFactory()

Returns the expression factory (never null).

The deriving class must override it.

getPageContext

public PageContext getPageContext()

Returns the page context.

getRequest

public jakarta.servlet.ServletRequest getRequest()

Returns the request.

getResponse

public jakarta.servlet.ServletResponse getResponse()

Returns the response.

getServletContext

public jakarta.servlet.ServletContext getServletContext()

Returns the context.

resolveVariable

public java.lang.Object resolveVariable(java.lang.String name)
                                 throws org.zkoss.xel.XelException

Specified by:

resolveVariable in interface org.zkoss.xel.VariableResolver

Throws:

org.zkoss.xel.XelException