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

ImplicitFlowVariableELResolver()

ImplicitFlowVariableELResolver(RequestContext requestContext)

Method Summary

java.lang.Class<?>	getCommonPropertyType(javax.el.ELContext context, java.lang.Object base)
java.util.Iterator<java.beans.FeatureDescriptor>	getFeatureDescriptors(javax.el.ELContext context, java.lang.Object base)
protected RequestContext	getRequestContext()
java.lang.Class<?>	getType(javax.el.ELContext context, java.lang.Object base, java.lang.Object property)
java.lang.Object	getValue(javax.el.ELContext context, java.lang.Object base, java.lang.Object property)
boolean	isReadOnly(javax.el.ELContext context, java.lang.Object base, java.lang.Object property)
void	setValue(javax.el.ELContext context, java.lang.Object base, java.lang.Object property, java.lang.Object value)

Methods inherited from class javax.el.ELResolver

invoke

Methods inherited from class java.lang.Object

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

Constructor Detail

ImplicitFlowVariableELResolver

public ImplicitFlowVariableELResolver()

ImplicitFlowVariableELResolver

public ImplicitFlowVariableELResolver(RequestContext requestContext)

Method Detail

getCommonPropertyType

public java.lang.Class<?> getCommonPropertyType(javax.el.ELContext context,
                                                java.lang.Object base)

Specified by:

getCommonPropertyType in class javax.el.ELResolver

getFeatureDescriptors

public java.util.Iterator<java.beans.FeatureDescriptor> getFeatureDescriptors(javax.el.ELContext context,
                                                                              java.lang.Object base)

Specified by:

getFeatureDescriptors in class javax.el.ELResolver

getType

public java.lang.Class<?> getType(javax.el.ELContext context,
                                  java.lang.Object base,
                                  java.lang.Object property)

Specified by:

getType in class javax.el.ELResolver

getValue

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

Specified by:

getValue in class javax.el.ELResolver

isReadOnly

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

Specified by:

isReadOnly in class javax.el.ELResolver

setValue

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

Specified by:

setValue in class javax.el.ELResolver

getRequestContext

protected RequestContext getRequestContext()