Package org.apache.el.lang

Class VariableMapperImpl

java.lang.Object

jakarta.el.VariableMapper

org.apache.el.lang.VariableMapperImpl

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable

public class VariableMapperImpl
extends VariableMapper
implements java.io.Externalizable

Implementation of VariableMapper that stores variables in a map.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
VariableMapperImpl()	Constructs a new VariableMapperImpl for deserialization.

Method Summary

Modifier and Type	Method	Description
void	readExternal(java.io.ObjectInput in)
ValueExpression	resolveVariable(java.lang.String variable)	Resolves a variable name to its corresponding ValueExpression.
ValueExpression	setVariable(java.lang.String variable, ValueExpression expression)	Sets or removes a variable mapping.
void	writeExternal(java.io.ObjectOutput out)

Methods inherited from class java.lang.Object

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

Constructor Detail

VariableMapperImpl

public VariableMapperImpl()

Constructs a new VariableMapperImpl for deserialization.

Method Detail

resolveVariable

public ValueExpression resolveVariable(java.lang.String variable)

Description copied from class: jakarta.el.VariableMapper

Resolves a variable name to its corresponding ValueExpression.

Specified by:

resolveVariable in class VariableMapper

Parameters:

variable - the name of the variable to resolve

Returns:

the ValueExpression for the variable, or null if not found

setVariable

public ValueExpression setVariable(java.lang.String variable,
                                   ValueExpression expression)

Description copied from class: jakarta.el.VariableMapper

Sets or removes a variable mapping.

Specified by:

setVariable in class VariableMapper

Parameters:

variable - the name of the variable

expression - the ValueExpression to associate with the variable, or null to remove the mapping

Returns:

the previous ValueExpression for the variable, or null if there was no mapping

readExternal

public void readExternal(java.io.ObjectInput in)
                  throws java.io.IOException,
                         java.lang.ClassNotFoundException

Specified by:

readExternal in interface java.io.Externalizable

Throws:

java.io.IOException

java.lang.ClassNotFoundException

writeExternal

public void writeExternal(java.io.ObjectOutput out)
                   throws java.io.IOException

Specified by:

writeExternal in interface java.io.Externalizable

Throws:

java.io.IOException