80 lines
3.1 KiB
Java
80 lines
3.1 KiB
Java
/* ====================================================================
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==================================================================== */
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package org.apache.poi.hssf.record.formula.functions;
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import org.apache.poi.hssf.record.formula.eval.ErrorEval;
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import org.apache.poi.hssf.record.formula.eval.EvaluationException;
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import org.apache.poi.hssf.record.formula.eval.NumberEval;
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import org.apache.poi.hssf.record.formula.eval.OperandResolver;
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import org.apache.poi.hssf.record.formula.eval.ValueEval;
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import org.apache.poi.ss.usermodel.ErrorConstants;
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/**
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* Implementation for the ERROR.TYPE() Excel function.
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* <p>
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* <b>Syntax:</b><br/>
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* <b>ERROR.TYPE</b>(<b>errorValue</b>)</p>
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* <p>
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* Returns a number corresponding to the error type of the supplied argument.<p/>
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* <p>
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* <table border="1" cellpadding="1" cellspacing="1" summary="Return values for ERROR.TYPE()">
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* <tr><td>errorValue</td><td>Return Value</td></tr>
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* <tr><td>#NULL!</td><td>1</td></tr>
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* <tr><td>#DIV/0!</td><td>2</td></tr>
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* <tr><td>#VALUE!</td><td>3</td></tr>
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* <tr><td>#REF!</td><td>4</td></tr>
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* <tr><td>#NAME?</td><td>5</td></tr>
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* <tr><td>#NUM!</td><td>6</td></tr>
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* <tr><td>#N/A!</td><td>7</td></tr>
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* <tr><td>everything else</td><td>#N/A!</td></tr>
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* </table>
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*
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* Note - the results of ERROR.TYPE() are different to the constants defined in
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* <tt>ErrorConstants</tt>.
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* </p>
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*
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* @author Josh Micich
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*/
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public final class Errortype extends Fixed1ArgFunction {
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public ValueEval evaluate(int srcRowIndex, int srcColumnIndex, ValueEval arg0) {
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try {
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OperandResolver.getSingleValue(arg0, srcRowIndex, srcColumnIndex);
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return ErrorEval.NA;
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} catch (EvaluationException e) {
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int result = translateErrorCodeToErrorTypeValue(e.getErrorEval().getErrorCode());
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return new NumberEval(result);
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}
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}
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private int translateErrorCodeToErrorTypeValue(int errorCode) {
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switch (errorCode) {
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case ErrorConstants.ERROR_NULL: return 1;
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case ErrorConstants.ERROR_DIV_0: return 2;
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case ErrorConstants.ERROR_VALUE: return 3;
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case ErrorConstants.ERROR_REF: return 4;
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case ErrorConstants.ERROR_NAME: return 5;
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case ErrorConstants.ERROR_NUM: return 6;
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case ErrorConstants.ERROR_NA : return 7;
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}
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throw new IllegalArgumentException("Invalid error code (" + errorCode + ")");
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}
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}
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