Package jakarta.faces.el

Class ValueBinding

java.lang.Object

jakarta.faces.el.ValueBinding

Direct Known Subclasses:

LegacyValueBinding, ValueBindingValueExpressionAdapter

@Deprecated
public abstract class ValueBinding
extends Object

Deprecated.

This has been replaced by ValueExpression.

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.

Constructor Summary

Constructors

Constructor	Description
ValueBinding()	Deprecated.

Method Summary

Modifier and Type	Method	Description
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.

Methods inherited from class java.lang.Object

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

Constructor Details

ValueBinding

public ValueBinding()

Deprecated.

Method Details

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.

Parameters:

context - FacesContext for the current request

Returns:

the value of this expression

Throws:

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.

Parameters:

context - FacesContext for the current request

value - The new value to be set

Throws:

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.

Parameters:

context - FacesContext for the current request

Returns:

whether or not this expression is read only

Throws:

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.

Parameters:

context - FacesContext for the current request

Returns:

the Java type of this expression

Throws:

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.

Returns:

the expression string