org.springframework.webflow.expression.el
Class ImplicitFlowVariableELResolver

java.lang.Object
  extended by javax.el.ELResolver
      extended by 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
 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 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