File	Doc	Category	Size	Date	Package
BinaryOperatorExpression.java	API Doc	Glassfish v2 API	5247	Sat May 05 19:17:26 BST 2007	org.apache.taglibs.standard.lang.jstl

BinaryOperatorExpression

• java.lang.Object
  • Expression

Fields Summary
Expression	mExpression
List	mOperators
List	mExpressions

Constructors Summary
public BinaryOperatorExpression(Expression pExpression, List pOperators, List pExpressions) Constructor mExpression = pExpression; mOperators = pOperators; mExpressions = pExpressions;

Methods Summary
public java.lang.Object	evaluate(java.lang.Object pContext, VariableResolver pResolver, java.util.Map functions, java.lang.String defaultPrefix, Logger pLogger) Evaluates to the literal value Object value = mExpression.evaluate (pContext, pResolver, functions, defaultPrefix, pLogger); for (int i = 0; i < mOperators.size (); i++) { BinaryOperator operator = (BinaryOperator) mOperators.get (i); // For the And/Or operators, we need to coerce to a boolean // before testing if we shouldEvaluate if (operator.shouldCoerceToBoolean ()) { value = Coercions.coerceToBoolean (value, pLogger); } if (operator.shouldEvaluate (value)) { Expression expression = (Expression) mExpressions.get (i); Object nextValue = expression.evaluate (pContext, pResolver, functions, defaultPrefix, pLogger); value = operator.apply (value, nextValue, pContext, pLogger); } } return value;
public Expression	getExpression() return mExpression;
public java.lang.String	getExpressionString() Returns the expression in the expression language syntax StringBuffer buf = new StringBuffer (); buf.append ("("); buf.append (mExpression.getExpressionString ()); for (int i = 0; i < mOperators.size (); i++) { BinaryOperator operator = (BinaryOperator) mOperators.get (i); Expression expression = (Expression) mExpressions.get (i); buf.append (" "); buf.append (operator.getOperatorSymbol ()); buf.append (" "); buf.append (expression.getExpressionString ()); } buf.append (")"); return buf.toString ();
public java.util.List	getExpressions() return mExpressions;
public java.util.List	getOperators() return mOperators;
public void	setExpression(Expression pExpression) mExpression = pExpression;
public void	setExpressions(java.util.List pExpressions) mExpressions = pExpressions;
public void	setOperators(java.util.List pOperators) mOperators = pOperators;