| /* ==================================================================== |
| 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. |
| ==================================================================== */ |
| |
| package org.apache.poi.ss.formula.functions; |
| |
| import org.apache.poi.ss.formula.eval.ErrorEval; |
| import org.apache.poi.ss.formula.eval.EvaluationException; |
| import org.apache.poi.ss.formula.eval.NumberEval; |
| import org.apache.poi.ss.formula.eval.OperandResolver; |
| import org.apache.poi.ss.formula.eval.ValueEval; |
| import org.apache.poi.ss.usermodel.FormulaError; |
| |
| /** |
| * Implementation for the ERROR.TYPE() Excel function. |
| * <p> |
| * <b>Syntax:</b><br/> |
| * <b>ERROR.TYPE</b>(<b>errorValue</b>)</p> |
| * <p> |
| * Returns a number corresponding to the error type of the supplied argument.<p/> |
| * <p> |
| * <table border="1" cellpadding="1" cellspacing="1" summary="Return values for ERROR.TYPE()"> |
| * <tr><td>errorValue</td><td>Return Value</td></tr> |
| * <tr><td>#NULL!</td><td>1</td></tr> |
| * <tr><td>#DIV/0!</td><td>2</td></tr> |
| * <tr><td>#VALUE!</td><td>3</td></tr> |
| * <tr><td>#REF!</td><td>4</td></tr> |
| * <tr><td>#NAME?</td><td>5</td></tr> |
| * <tr><td>#NUM!</td><td>6</td></tr> |
| * <tr><td>#N/A!</td><td>7</td></tr> |
| * <tr><td>everything else</td><td>#N/A!</td></tr> |
| * </table> |
| * |
| * Note - the results of ERROR.TYPE() are different to the constants defined in |
| * <tt>ErrorConstants</tt>. |
| * </p> |
| * |
| * @author Josh Micich |
| */ |
| public final class Errortype extends Fixed1ArgFunction { |
| |
| public ValueEval evaluate(int srcRowIndex, int srcColumnIndex, ValueEval arg0) { |
| |
| try { |
| OperandResolver.getSingleValue(arg0, srcRowIndex, srcColumnIndex); |
| return ErrorEval.NA; |
| } catch (EvaluationException e) { |
| int result = translateErrorCodeToErrorTypeValue(e.getErrorEval().getErrorCode()); |
| return new NumberEval(result); |
| } |
| } |
| |
| private int translateErrorCodeToErrorTypeValue(int errorCode) { |
| switch (FormulaError.forInt(errorCode)) { |
| case NULL: return 1; |
| case DIV0: return 2; |
| case VALUE: return 3; |
| case REF: return 4; |
| case NAME: return 5; |
| case NUM: return 6; |
| case NA: return 7; |
| default: |
| throw new IllegalArgumentException("Invalid error code (" + errorCode + ")"); |
| } |
| } |
| |
| } |