Module org.omnifaces

Package org.omnifaces.el

Class ValueExpressionWrapper

java.lang.Object

jakarta.el.Expression

jakarta.el.ValueExpression

org.omnifaces.el.ValueExpressionWrapper

All Implemented Interfaces:

FacesWrapper<ValueExpression>, Serializable

Direct Known Subclasses:

CachingValueExpression

public class ValueExpressionWrapper
extends ValueExpression
implements FacesWrapper<ValueExpression>

Provides a simple implementation of ValueExpression that can be sub-classed by developers wishing to provide specialized behavior to an existing ValueExpression instance. The default implementation of all methods is to call through to the wrapped ValueExpression.

Usage: extend this class and provide the instance we are wrapping to the overloaded constructor.

Author:

Arjan Tijms

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
ValueExpressionWrapper(ValueExpression wrapped)	Construct the value expression wrapper.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object obj)
Class<?>	getExpectedType()
String	getExpressionString()
Class<?>	getType(ELContext context)
<T> T	getValue(ELContext context)
ValueReference	getValueReference(ELContext context)
ValueExpression	getWrapped()
int	hashCode()
boolean	isLiteralText()
boolean	isReadOnly(ELContext context)
void	setValue(ELContext context, Object value)

Methods inherited from class java.lang.Object

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

Constructor Details

ValueExpressionWrapper

public ValueExpressionWrapper(ValueExpression wrapped)

Construct the value expression wrapper.

Parameters:

wrapped - The value expression to be wrapped.

Method Details

equals

public boolean equals(Object obj)

Specified by:

equals in class Expression

getExpectedType

public Class<?> getExpectedType()

Specified by:

getExpectedType in class ValueExpression

getExpressionString

public String getExpressionString()

Specified by:

getExpressionString in class Expression

getType

public Class<?> getType(ELContext context)

Specified by:

getType in class ValueExpression

getValue

public <T> T getValue(ELContext context)

Specified by:

getValue in class ValueExpression

hashCode

public int hashCode()

Specified by:

hashCode in class Expression

isLiteralText

public boolean isLiteralText()

Specified by:

isLiteralText in class Expression

isReadOnly

public boolean isReadOnly(ELContext context)

Specified by:

isReadOnly in class ValueExpression

setValue

public void setValue(ELContext context,
 Object value)

Specified by:

setValue in class ValueExpression

getValueReference

public ValueReference getValueReference(ELContext context)

Overrides:

getValueReference in class ValueExpression

getWrapped

public ValueExpression getWrapped()

Specified by:

getWrapped in interface FacesWrapper<ValueExpression>