/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* Created on Nov 25, 2006
*
*/
package org.apache.poi.hssf.record.formula.functions;
import org.apache.poi.hssf.record.formula.eval.BoolEval;
import org.apache.poi.hssf.record.formula.eval.ErrorEval;
import org.apache.poi.hssf.record.formula.eval.Eval;
/**
* @author Amol S. Deshmukh < amolweb at ya hoo dot com >
*
*/
public final class If implements Function {
public Eval evaluate(Eval[] args, int srcCellRow, short srcCellCol) {
Eval evalWhenFalse = BoolEval.FALSE;
switch (args.length) {
case 3:
evalWhenFalse = args[2];
case 2:
BoolEval beval = (BoolEval) args[0]; // TODO - class cast exception
if (beval.getBooleanValue()) {
return args[1];
}
return evalWhenFalse;
default:
return ErrorEval.VALUE_INVALID;
}
}
}