MethodBinding (Java EE 5 SDK)

Java

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Java EE 5 SDK

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javax.faces.el Class MethodBinding

java.lang.Object
  extended by javax.faces.el.MethodBinding
Deprecated. This has been replaced by MethodExpression. 

public abstract class MethodBinding
extends Object

MethodBinding is an object that can be used to call an arbitrary public method, on an instance that is acquired by evaluatng the leading portion of a method binding expression via a ValueBinding. An immutable MethodBinding for a particular method binding expression can be acquired by calling the createMethodBinding() method of the Application instance for this web application.

构造器摘要
MethodBinding()
          Deprecated.  
 
方法摘要
 String getExpressionString()
          Deprecated. Return the (possibly null) expression String, with leading and trailing delimiters, from which this MethodBinding was built.
abstract  Class getType(FacesContext context)
          Deprecated. Return the Java class representing the return type from the method identified by this method binding expression.
abstract  Object invoke(FacesContext context, Object[] params)
          Deprecated. Return the return value (if any) resulting from a call to the method identified by this method binding expression, passing it the specified parameters, 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

MethodBinding

public MethodBinding()
Deprecated. 
方法详细信息

invoke

public abstract Object invoke(FacesContext context,
                              Object[] params)
                       throws EvaluationException,
                              MethodNotFoundException
Deprecated. 

Return the return value (if any) resulting from a call to the method identified by this method binding expression, passing it the specified parameters, relative to the specified FacesContext.

参数:
context - FacesContext for the current request
params - Array of parameters to be passed to the called method, or null for no parameters
抛出异常:
EvaluationException - if an exception is thrown by the called method (the thrown exception must be included as the cause property of this exception)
MethodNotFoundException - if no suitable method can be found
NullPointerException - if context is null

getType

public abstract Class getType(FacesContext context)
                       throws MethodNotFoundException
Deprecated. 

Return the Java class representing the return type from the method identified by this method binding expression.

参数:
context - FacesContext for the current request
抛出异常:
MethodNotFoundException - if no suitable method can be found
NullPointerException - if context is null

getExpressionString

public String getExpressionString()
Deprecated. 

Return the (possibly null) expression String, with leading and trailing delimiters, from which this MethodBinding was built. The default implementation returns null.

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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