ValueBinding (Java EE 5 SDK)

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Java EE 5 SDK

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javax.faces.el Class ValueBinding

java.lang.Object
  extended by javax.faces.el.ValueBinding
Deprecated. This has been replaced by ValueExpression. 

public abstract class ValueBinding
extends Object

ValueBinding is an object that can be used to access the property represented by an action or value binding expression. An immutable ValueBinding for a particular value binding can be acquired by calling the createValueBinding() method of the Application instance for this web application.

构造器摘要
ValueBinding()
          Deprecated.  
 
方法摘要
 String getExpressionString()
          Deprecated. Return the (possibly null) expression String, including the delimiters, from which this ValueBinding was built.
abstract  Class getType(FacesContext context)
          Deprecated. Return the type of the property represented by this ValueBinding, relative to the specified FacesContext.
abstract  Object getValue(FacesContext context)
          Deprecated. Return the value of the property represented by this ValueBinding, relative to the specified FacesContext.
abstract  boolean isReadOnly(FacesContext context)
          Deprecated. Return true if the specified property of the specified property is known to be immutable; otherwise, return false.
abstract  void setValue(FacesContext context, Object value)
          Deprecated. Set the value of the property represented by this ValueBinding, relative to the specified FacesContext.
 
类方法继承 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

构造器详细信息

ValueBinding

public ValueBinding()
Deprecated. 
方法详细信息

getValue

public abstract Object getValue(FacesContext context)
                         throws EvaluationException,
                                PropertyNotFoundException
Deprecated. 

Return the value of the property represented by this ValueBinding, relative to the specified FacesContext.

参数:
context - FacesContext for the current request
抛出异常:
EvaluationException - if an exception is thrown while getting the value (the thrown exception must be included as the cause property of this exception)
NullPointerException - if context is null
PropertyNotFoundException - if a specified property name does not exist, or is not readable

setValue

public abstract void setValue(FacesContext context,
                              Object value)
                       throws EvaluationException,
                              PropertyNotFoundException
Deprecated. 

Set the value of the property represented by this ValueBinding, relative to the specified FacesContext.

参数:
context - FacesContext for the current request
value - The new value to be set
抛出异常:
EvaluationException - if an exception is thrown while setting the value (the thrown exception must be included as the cause property of this exception)
NullPointerException - if context is null
PropertyNotFoundException - if a specified property name does not exist, or is not writeable

isReadOnly

public abstract boolean isReadOnly(FacesContext context)
                            throws EvaluationException,
                                   PropertyNotFoundException
Deprecated. 

Return true if the specified property of the specified property is known to be immutable; otherwise, return false.

参数:
context - FacesContext for the current request
抛出异常:
EvaluationException - if an exception is thrown while getting the description of the property (the thrown exception must be included as the cause property of this exception)
NullPointerException - if context is null
PropertyNotFoundException - if a specified property name does not exist

getType

public abstract Class getType(FacesContext context)
                       throws EvaluationException,
                              PropertyNotFoundException
Deprecated. 

Return the type of the property represented by this ValueBinding, relative to the specified FacesContext.

参数:
context - FacesContext for the current request
抛出异常:
EvaluationException - if an exception is thrown while getting the description of the property (the thrown exception must be included as the cause property of this exception)
NullPointerException - if context is null
PropertyNotFoundException - if a specified property name does not exist

getExpressionString

public String getExpressionString()
Deprecated. 

Return the (possibly null) expression String, including the delimiters, from which this ValueBinding was built.

概述  软件包   类  树  已过时  索引  帮助 
Java EE 5 SDK

深圳电信培训中心.徐海蛟老师.
 上一个类   下一个类 框架    无框架    
摘要: 嵌套 | 字段 | 构造器 | 方法 详细信息: 字段 | 构造器 | 方法
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