Package org.springframework.context.expression

Class BeanExpressionContextAccessor

java.lang.Object

org.springframework.context.expression.BeanExpressionContextAccessor

All Implemented Interfaces:

org.springframework.expression.PropertyAccessor

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

EL property accessor that knows how to traverse the beans and contextual objects of a Spring BeanExpressionContext.

Since:

3.0

Author:

Juergen Hoeller, Andy Clement

Constructor Summary

Constructors

Constructor	Description
BeanExpressionContextAccessor()

Method Summary

Modifier and Type	Method	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 Details

BeanExpressionContextAccessor

public BeanExpressionContextAccessor()

Method Details

canRead

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

Specified by:

write in interface org.springframework.expression.PropertyAccessor

Throws:

org.springframework.expression.AccessException

getSpecificTargetClasses

public Class<?>[] getSpecificTargetClasses()

Specified by:

getSpecificTargetClasses in interface org.springframework.expression.PropertyAccessor