org.springframework.webflow.expression.el

Class ImplicitFlowVariableELResolver

java.lang.Object

javax.el.ELResolver

org.springframework.webflow.expression.el.ImplicitFlowVariableELResolver

public class ImplicitFlowVariableELResolver
extends javax.el.ELResolver

Resolves "implicit" or well-known flow variables; for example "flowScope" in an expression like #{flowScope.foo}. The list of implicit flow variables consists of:

 requestParameters
 requestScope
 flashScope
 viewScope
 flowScope
 conversationScope
 messageContext
 externalContext
 flowExecutionContext
 flowExecutionUrl
 currentUser
 currentEvent
 

Author:

Keith Donald, Jeremy Grelle

Field Summary

Fields inherited from class javax.el.ELResolver

RESOLVABLE_AT_DESIGN_TIME, TYPE

Constructor Summary

Constructors

Constructor and Description
ImplicitFlowVariableELResolver()
ImplicitFlowVariableELResolver(RequestContext requestContext)

Method Summary

Methods

Modifier and Type	Method and Description
Class	getCommonPropertyType(javax.el.ELContext context, Object base)
Iterator	getFeatureDescriptors(javax.el.ELContext context, Object base)
Class	getType(javax.el.ELContext context, Object base, Object property)
Object	getValue(javax.el.ELContext context, Object base, Object property)
boolean	isReadOnly(javax.el.ELContext context, Object base, Object property)
void	setValue(javax.el.ELContext context, Object base, Object property, Object value)

Methods inherited from class javax.el.ELResolver

invoke

Methods inherited from class java.lang.Object

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

Constructor Detail

ImplicitFlowVariableELResolver

public ImplicitFlowVariableELResolver()

ImplicitFlowVariableELResolver

public ImplicitFlowVariableELResolver(RequestContext requestContext)

Method Detail

getCommonPropertyType

public Class getCommonPropertyType(javax.el.ELContext context,
                          Object base)

Specified by:

getCommonPropertyType in class javax.el.ELResolver

getFeatureDescriptors

public Iterator getFeatureDescriptors(javax.el.ELContext context,
                             Object base)

Specified by:

getFeatureDescriptors in class javax.el.ELResolver

getType

public Class getType(javax.el.ELContext context,
            Object base,
            Object property)

Specified by:

getType in class javax.el.ELResolver

getValue

public Object getValue(javax.el.ELContext context,
              Object base,
              Object property)

Specified by:

getValue in class javax.el.ELResolver

isReadOnly

public boolean isReadOnly(javax.el.ELContext context,
                 Object base,
                 Object property)

Specified by:

isReadOnly in class javax.el.ELResolver

setValue

public void setValue(javax.el.ELContext context,
            Object base,
            Object property,
            Object value)

Specified by:

setValue in class javax.el.ELResolver