68 lines
2.5 KiB
Java
68 lines
2.5 KiB
Java
/*
|
|
* 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 15, 2005
|
|
*
|
|
*/
|
|
package org.apache.poi.hssf.record.formula.functions;
|
|
|
|
import org.apache.poi.hssf.record.formula.eval.BlankEval;
|
|
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.NumberEval;
|
|
import org.apache.poi.hssf.record.formula.eval.NumericValueEval;
|
|
import org.apache.poi.hssf.record.formula.eval.ValueEval;
|
|
import org.apache.poi.hssf.usermodel.HSSFDateUtil;
|
|
|
|
/**
|
|
*
|
|
* @author Guenter Kickinger g.kickinger@gmx.net
|
|
*
|
|
*/
|
|
|
|
public class Year extends NumericFunction {
|
|
|
|
/* (non-Javadoc)
|
|
* @see org.apache.poi.hssf.record.formula.functions.Function#evaluate(org.apache.poi.hssf.record.formula.eval.Eval[], int, short)
|
|
*/
|
|
public Eval evaluate(Eval[] operands, int srcCellRow, short srcCellCol) {
|
|
ValueEval retval = null;
|
|
|
|
switch (operands.length) {
|
|
default:
|
|
retval = ErrorEval.VALUE_INVALID;
|
|
break;
|
|
case 1:
|
|
ValueEval ve = singleOperandEvaluate(operands[0], srcCellRow, srcCellCol);
|
|
if (ve instanceof NumericValueEval) {
|
|
NumericValueEval ne = (NumericValueEval) ve;
|
|
if (HSSFDateUtil.isValidExcelDate(ne.getNumberValue())) {
|
|
java.util.Date d = HSSFDateUtil.getJavaDate(ne.getNumberValue(), false); // XXX fix 1900/1904 problem
|
|
retval = new NumberEval(d.getYear()+1900);
|
|
} else {
|
|
retval = ErrorEval.NUM_ERROR;
|
|
}
|
|
}
|
|
else if (ve instanceof BlankEval) {
|
|
// do nothing
|
|
} else {
|
|
retval = ErrorEval.NUM_ERROR;
|
|
}
|
|
}
|
|
return retval;
|
|
}
|
|
} |