org.apache.commons.el

Class AndOperator

public class AndOperator extends BinaryOperator

The implementation of the and operator

Version: $Change: 181177 $$DateTime: 2001/06/26 08:45:09 $$Author: luehe $

Author: Nathan Abramson - Art Technology Group

Field Summary
static AndOperatorSINGLETON
Constructor Summary
AndOperator()
Constructor
Method Summary
Objectapply(Object pLeft, Object pRight, Logger pLogger)
Applies the operator to the given value
StringgetOperatorSymbol()
Returns the symbol representing the operator
booleanshouldCoerceToBoolean()
Returns true if the operator expects its arguments to be coerced to Booleans.
booleanshouldEvaluate(Object pLeft)
Returns true if evaluation is necessary given the specified Left value.

Field Detail

SINGLETON

public static final AndOperator SINGLETON

Constructor Detail

AndOperator

public AndOperator()
Constructor

Method Detail

apply

public Object apply(Object pLeft, Object pRight, Logger pLogger)
Applies the operator to the given value

getOperatorSymbol

public String getOperatorSymbol()
Returns the symbol representing the operator

shouldCoerceToBoolean

public boolean shouldCoerceToBoolean()
Returns true if the operator expects its arguments to be coerced to Booleans. The And/Or operators set this to true.

shouldEvaluate

public boolean shouldEvaluate(Object pLeft)
Returns true if evaluation is necessary given the specified Left value. The And/OrOperators make use of this
Copyright (c) 2001-2002 - Apache Software Foundation