org.springframework.webflow.expression.spel
Class FlowVariablePropertyAccessor

java.lang.Object
  org.springframework.webflow.expression.spel.FlowVariablePropertyAccessor

All Implemented Interfaces:

org.springframework.expression.PropertyAccessor

public class FlowVariablePropertyAccessor
extends java.lang.Object
implements org.springframework.expression.PropertyAccessor

Spring EL PropertyAccessor that enables use of the following reserved variables in expressions:

 currentUser
 flowRequestContext
 resourceBundle
 

Note that any property of RequestContext (e.g. flowScope, requestParameters, etc.) may also be used in expressions. Such properties are already handled by the ReflectivePropertyAccessor.

Since:

2.1

Author:

Rossen Stoyanchev

Constructor Summary

FlowVariablePropertyAccessor()

Method Summary

boolean	canRead(org.springframework.expression.EvaluationContext context, java.lang.Object target, java.lang.String name)
boolean	canWrite(org.springframework.expression.EvaluationContext context, java.lang.Object target, java.lang.String name)
java.lang.Class<?>[]	getSpecificTargetClasses()
org.springframework.expression.TypedValue	read(org.springframework.expression.EvaluationContext context, java.lang.Object target, java.lang.String name)
void	write(org.springframework.expression.EvaluationContext context, java.lang.Object target, java.lang.String name, java.lang.Object newValue)

Methods inherited from class java.lang.Object

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

Constructor Detail

FlowVariablePropertyAccessor

public FlowVariablePropertyAccessor()

Method Detail

getSpecificTargetClasses

public java.lang.Class<?>[] getSpecificTargetClasses()

Specified by:

getSpecificTargetClasses in interface org.springframework.expression.PropertyAccessor

canRead

public boolean canRead(org.springframework.expression.EvaluationContext context,
                       java.lang.Object target,
                       java.lang.String name)
                throws org.springframework.expression.AccessException

Specified by:

canRead in interface org.springframework.expression.PropertyAccessor

Throws:

org.springframework.expression.AccessException

read

public org.springframework.expression.TypedValue read(org.springframework.expression.EvaluationContext context,
                                                      java.lang.Object target,
                                                      java.lang.String name)
                                               throws org.springframework.expression.AccessException

Specified by:

read in interface org.springframework.expression.PropertyAccessor

Throws:

org.springframework.expression.AccessException

canWrite

public boolean canWrite(org.springframework.expression.EvaluationContext context,
                        java.lang.Object target,
                        java.lang.String name)
                 throws org.springframework.expression.AccessException

Specified by:

canWrite in interface org.springframework.expression.PropertyAccessor

Throws:

org.springframework.expression.AccessException

write

public void write(org.springframework.expression.EvaluationContext context,
                  java.lang.Object target,
                  java.lang.String name,
                  java.lang.Object newValue)
           throws org.springframework.expression.AccessException

Specified by:

write in interface org.springframework.expression.PropertyAccessor

Throws:

org.springframework.expression.AccessException