org.springframework.context.expression

Class MapAccessor

java.lang.Object

org.springframework.context.expression.MapAccessor

All Implemented Interfaces:

org.springframework.expression.PropertyAccessor

public class MapAccessor
extends Object
implements org.springframework.expression.PropertyAccessor

EL property accessor that knows how to traverse the keys of a standard Map.

Since:

3.0

Author:

Juergen Hoeller, Andy Clement

Constructor Summary

Constructors

Constructor and Description
MapAccessor()

Method Summary

Methods

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

Methods inherited from class java.lang.Object

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

Constructor Detail

MapAccessor

public MapAccessor()

Method Detail

getSpecificTargetClasses

public Class<?>[] getSpecificTargetClasses()

Specified by:

getSpecificTargetClasses in interface org.springframework.expression.PropertyAccessor

canRead

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

Specified by:

write in interface org.springframework.expression.PropertyAccessor

Throws:

org.springframework.expression.AccessException