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Patch 46410 from Steven Butler - added impl for TIME() function. 

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@730309 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Josh Micich 2008-12-31 05:31:42 +00:00
parent 0e193f895b
commit d9df585ca5
5 changed files with 211 additions and 23 deletions
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3
src/documentation/content/xdocs/changes.xml
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@ -37,8 +37,9 @@
<!-- Don't forget to update status.xml too! -->
<release version="3.5-beta5" date="2008-??-??">
<action dev="POI-DEVELOPERS" type="add">46410 - added implementation for TIME() function</action>
<action dev="POI-DEVELOPERS" type="add">46320 - added HSSFPictureData.getFormat()</action>
<action dev="POI-DEVELOPERS" type="fix">fixed HSSFSheet.shiftRow to move hyperlinks</action>
<action dev="POI-DEVELOPERS" type="fix">46445 fixed HSSFSheet.shiftRow to move hyperlinks</action>
<action dev="POI-DEVELOPERS" type="fix">fixed formula parser to correctly resolve sheet-level names</action>
<action dev="POI-DEVELOPERS" type="fix">46433 - support for shared formulas in XSSF</action>
<action dev="POI-DEVELOPERS" type="add">46299 - support for carriage return and line break in XWPFRun</action>

3
src/documentation/content/xdocs/status.xml
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@ -34,8 +34,9 @@
<!-- Don't forget to update changes.xml too! -->
<changes>
<release version="3.5-beta5" date="2008-??-??">
<action dev="POI-DEVELOPERS" type="add">46410 - added implementation for TIME() function</action>
<action dev="POI-DEVELOPERS" type="add">46320 - added HSSFPictureData.getFormat()</action>
<action dev="POI-DEVELOPERS" type="fix">fixed HSSFSheet.shiftRow to move hyperlinks</action>
<action dev="POI-DEVELOPERS" type="fix">46445 fixed HSSFSheet.shiftRow to move hyperlinks</action>
<action dev="POI-DEVELOPERS" type="fix">fixed formula parser to correctly resolve sheet-level names</action>
<action dev="POI-DEVELOPERS" type="fix">46433 - support for shared formulas in XSSF</action>
<action dev="POI-DEVELOPERS" type="add">46299 - support for carriage return and line break in XWPFRun</action>

105
src/java/org/apache/poi/hssf/record/formula/functions/Time.java
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@ -1,25 +1,88 @@
/*
* 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
*
*/
/* ====================================================================
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.hssf.record.formula.functions;
public class Time extends NotImplementedFunction {
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.EvaluationException;
import org.apache.poi.hssf.record.formula.eval.MissingArgEval;
import org.apache.poi.hssf.record.formula.eval.NumberEval;
import org.apache.poi.hssf.record.formula.eval.OperandResolver;
import org.apache.poi.hssf.record.formula.eval.ValueEval;
/**
* @author Steven Butler (sebutler @ gmail dot com)
*
* Based on POI org.apache.hssf.record.formula.DateFunc.java
*/
public final class Time implements Function {
private static final int SECONDS_PER_MINUTE = 60;
private static final int SECONDS_PER_HOUR = 3600;
private static final int HOURS_PER_DAY = 24;
private static final int SECONDS_PER_DAY = HOURS_PER_DAY * SECONDS_PER_HOUR;
public Eval evaluate(Eval[] args, int srcCellRow, short srcCellCol) {
if (args.length != 3) {
return ErrorEval.VALUE_INVALID;
}
double result;
try {
result = evaluate(evalArg(args[0]), evalArg(args[1]), evalArg(args[2]));
} catch (EvaluationException e) {
return e.getErrorEval();
}
return new NumberEval(result);
}
private static int evalArg(Eval arg) throws EvaluationException {
if (arg == MissingArgEval.instance) {
return 0;
}
// Excel silently truncates double values to integers
return OperandResolver.coerceValueToInt((ValueEval) arg);
}
/**
* Converts the supplied hours, minutes and seconds to an Excel time value.
*
*
* @param ds array of 3 doubles containing hours, minutes and seconds.
* Non-integer inputs are truncated to an integer before further calculation
* of the time value.
* @return An Excel representation of a time of day.
* If the time value represents more than a day, the days are removed from
* the result, leaving only the time of day component.
* @throws org.apache.poi.hssf.record.formula.eval.EvaluationException
* If any of the arguments are greater than 32767 or the hours
* minutes and seconds when combined form a time value less than 0, the function
* evaluates to an error.
*/
private static double evaluate(int hours, int minutes, int seconds) throws EvaluationException {
if (hours > 32767 || minutes > 32767 || seconds > 32767) {
throw new EvaluationException(ErrorEval.VALUE_INVALID);
}
int totalSeconds = hours * SECONDS_PER_HOUR + minutes * SECONDS_PER_MINUTE + seconds;
if (totalSeconds < 0) {
throw new EvaluationException(ErrorEval.VALUE_INVALID);
}
return (totalSeconds % SECONDS_PER_DAY) / (double)SECONDS_PER_DAY;
}
}

1
src/testcases/org/apache/poi/hssf/record/formula/functions/AllIndividualFunctionEvaluationTests.java
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@ -49,6 +49,7 @@ public final class AllIndividualFunctionEvaluationTests {
result.addTestSuite(TestSumproduct.class);
result.addTestSuite(TestStatsLib.class);
result.addTestSuite(TestTFunc.class);
result.addTestSuite(TestTime.class);
result.addTestSuite(TestTrim.class);
result.addTestSuite(TestValue.class);
result.addTestSuite(TestXYNumericFunction.class);

122
src/testcases/org/apache/poi/hssf/record/formula/functions/TestTime.java Normal file
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@ -0,0 +1,122 @@
/* ====================================================================
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.hssf.record.formula.functions;
import java.util.regex.Pattern;
import junit.framework.TestCase;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFCellStyle;
import org.apache.poi.hssf.usermodel.HSSFDataFormat;
import org.apache.poi.hssf.usermodel.HSSFDataFormatter;
import org.apache.poi.hssf.usermodel.HSSFFormulaEvaluator;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
/**
* Tests for {@link Time}
*
* @author @author Steven Butler (sebutler @ gmail dot com)
*/
public final class TestTime extends TestCase {
private static final int SECONDS_PER_MINUTE = 60;
private static final int SECONDS_PER_HOUR = 60 * SECONDS_PER_MINUTE;
private static final double SECONDS_PER_DAY = 24 * SECONDS_PER_HOUR;
private HSSFCell cell11;
private HSSFFormulaEvaluator evaluator;
private HSSFWorkbook wb;
private HSSFDataFormatter form;
private HSSFCellStyle style;
public void setUp() {
wb = new HSSFWorkbook();
HSSFSheet sheet = wb.createSheet("new sheet");
style = wb.createCellStyle();
HSSFDataFormat fmt = wb.createDataFormat();
style.setDataFormat(fmt.getFormat("hh:mm:ss"));
cell11 = sheet.createRow(0).createCell(0);
form = new HSSFDataFormatter();
evaluator = new HSSFFormulaEvaluator(wb);
}
public void testSomeArgumentsMissing() {
confirm("00:00:00", "TIME(, 0, 0)");
confirm("12:00:00", "TIME(12, , )");
}
public void testValid() {
confirm("00:00:01", 0, 0, 1);
confirm("00:01:00", 0, 1, 0);
confirm("00:00:00", 0, 0, 0);
confirm("01:00:00", 1, 0, 0);
confirm("12:00:00", 12, 0, 0);
confirm("23:00:00", 23, 0, 0);
confirm("00:00:00", 24, 0, 0);
confirm("01:00:00", 25, 0, 0);
confirm("00:00:00", 48, 0, 0);
confirm("06:00:00", 6, 0, 0);
confirm("06:01:00", 6, 1, 0);
confirm("06:30:00", 6, 30, 0);
confirm("06:59:00", 6, 59, 0);
confirm("07:00:00", 6, 60, 0);
confirm("07:01:00", 6, 61, 0);
confirm("08:00:00", 6, 120, 0);
confirm("06:00:00", 6, 1440, 0);
confirm("18:49:00", 18, 49, 0);
confirm("18:49:01", 18, 49, 1);
confirm("18:49:30", 18, 49, 30);
confirm("18:49:59", 18, 49, 59);
confirm("18:50:00", 18, 49, 60);
confirm("18:50:01", 18, 49, 61);
confirm("18:50:59", 18, 49, 119);
confirm("18:51:00", 18, 49, 120);
confirm("03:55:07", 18, 49, 32767);
confirm("12:08:01", 18, 32767, 61);
confirm("07:50:01", 32767, 49, 61);
}
private void confirm(String expectedTimeStr, int inH, int inM, int inS) {
confirm(expectedTimeStr, "TIME(" + inH + "," + inM + "," + inS + ")");
}
private void confirm(String expectedTimeStr, String formulaText) {
// System.out.println("=" + formulaText);
String[] parts = Pattern.compile(":").split(expectedTimeStr);
int expH = Integer.parseInt(parts[0]);
int expM = Integer.parseInt(parts[1]);
int expS = Integer.parseInt(parts[2]);
double expectedValue = (expH*SECONDS_PER_HOUR + expM*SECONDS_PER_MINUTE + expS)/SECONDS_PER_DAY;
cell11.setCellFormula(formulaText);
cell11.setCellStyle(style);
evaluator.clearAllCachedResultValues();
double actualValue = evaluator.evaluate(cell11).getNumberValue();
assertEquals(expectedValue, actualValue, 0.0);
String actualText = form.formatCellValue(cell11, evaluator);
assertEquals(expectedTimeStr, actualText);
}
}