Class VariableMapperImpl

java.lang.Object

jakarta.el.VariableMapper

org.apache.el.lang.VariableMapperImpl

All Implemented Interfaces:

Externalizable, Serializable

public class VariableMapperImpl
extends VariableMapper
implements 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(ObjectInput in)
ValueExpression	resolveVariable(String variable)	Resolves a variable name to its corresponding ValueExpression.
ValueExpression	setVariable(String variable, ValueExpression expression)	Sets or removes a variable mapping.
void	writeExternal(ObjectOutput out)

Methods inherited from class Object

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

Constructor Details

VariableMapperImpl

public VariableMapperImpl()

Constructs a new VariableMapperImpl for deserialization.

Method Details

resolveVariable

public ValueExpression resolveVariable(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(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(ObjectInput in)
                  throws IOException,
ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Throws:

IOException

ClassNotFoundException

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Throws:

IOException