Package org.jdesktop.el.impl.lang

Class VariableMapperImpl

java.lang.Object

org.jdesktop.el.VariableMapper

org.jdesktop.el.impl.lang.VariableMapperImpl

All Implemented Interfaces:

Externalizable, Serializable

public class VariableMapperImpl
extends VariableMapper
implements Externalizable

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
VariableMapperImpl()

Method Summary

Modifier and Type	Method	Description
void	readExternal(ObjectInput in)
ValueExpression	resolveVariable(String variable)
ValueExpression	setVariable(String variable, ValueExpression expression)	Assign a ValueExpression to an EL variable, replacing any previously assignment to the same variable.
void	writeExternal(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()

Method Detail

resolveVariable

public ValueExpression resolveVariable(String variable)

Specified by:

resolveVariable in class VariableMapper

Parameters:

variable - The variable name

Returns:

the ValueExpression assigned to the variable, null if there is no previous assignment to this variable.

setVariable

public ValueExpression setVariable(String variable,
                                   ValueExpression expression)

Description copied from class: VariableMapper

Assign a ValueExpression to an EL variable, replacing any previously assignment to the same variable. The assignment for the variable is removed if the expression is null.

Specified by:

setVariable in class VariableMapper

Parameters:

variable - The variable name

expression - The ValueExpression to be assigned to the variable.

Returns:

The previous ValueExpression assigned to this variable, null if there is no previouse assignment to this variable.

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