/*
* 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 May 9, 2005
*
*/
package org.apache.poi.hssf.record.formula.functions;
import org.apache.poi.hssf.record.formula.eval.AreaEval;
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;
import org.apache.poi.hssf.record.formula.eval.StringEval;
import org.apache.poi.hssf.record.formula.eval.ValueEval;
/**
* @author
*
*/
public class And extends BooleanFunction {
public Eval evaluate(Eval[] operands, int srcRow, short srcCol) {
ValueEval retval = null;
boolean b = true;
boolean atleastOneNonBlank = false;
/*
* Note: do not abort the loop if b is false, since we could be
* dealing with errorevals later.
*/
outer:
for (int i=0, iSize=operands.length; i<iSize; i++) {
if (operands[i] instanceof AreaEval) {
AreaEval ae = (AreaEval) operands[i];
ValueEval[] values = ae.getValues();
for (int j=0, jSize=values.length; j<jSize; j++) {
ValueEval tempVe = singleOperandEvaluate(values[j], srcRow, srcCol, true);
if (tempVe instanceof BoolEval) {
b = b && ((BoolEval) tempVe).getBooleanValue();
atleastOneNonBlank = true;
}
else if (tempVe instanceof ErrorEval) {
retval = tempVe;
break outer;
}
}
}
else {
ValueEval tempVe = singleOperandEvaluate(operands[i], srcRow, srcCol, false);
if (tempVe instanceof BoolEval) {
b = b && ((BoolEval) tempVe).getBooleanValue();
atleastOneNonBlank = true;
}
else if (tempVe instanceof StringEval) {
retval = ErrorEval.VALUE_INVALID;
}
else if (tempVe instanceof ErrorEval) {
retval = tempVe;
break outer;
}
}
}
if (!atleastOneNonBlank) {
retval = ErrorEval.VALUE_INVALID;
}
if (retval == null) { // if no error
retval = b ? BoolEval.TRUE : BoolEval.FALSE;
}
return retval;
}
}
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