org.springframework.context.expression

类 BeanExpressionContextAccessor

java.lang.Object

org.springframework.context.expression.BeanExpressionContextAccessor

所有已实现的接口:

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.

从以下版本开始:

3.0

作者:

Juergen Hoeller, Andy Clement

构造器概要

构造器

构造器和说明
BeanExpressionContextAccessor()

方法概要

限定符和类型	方法和说明
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)

从类继承的方法 java.lang.Object

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

构造器详细资料

BeanExpressionContextAccessor

public BeanExpressionContextAccessor()

方法详细资料

canRead

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

指定者:

canRead 在接口中 org.springframework.expression.PropertyAccessor

抛出:

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

指定者:

read 在接口中 org.springframework.expression.PropertyAccessor

抛出:

org.springframework.expression.AccessException

canWrite

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

指定者:

canWrite 在接口中 org.springframework.expression.PropertyAccessor

抛出:

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

指定者:

write 在接口中 org.springframework.expression.PropertyAccessor

抛出:

org.springframework.expression.AccessException

getSpecificTargetClasses

public Class<?>[] getSpecificTargetClasses()

指定者:

getSpecificTargetClasses 在接口中 org.springframework.expression.PropertyAccessor