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Fix bug #48494 - have EventBasedExcelExtractor make use of HSSFDataFormatter, so that numbers and dates come out closer to how Excel would render them 

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@950616 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2010-06-02 16:13:04 +00:00
parent 8c85c8c3cf
commit 0d1692dbf2
3 changed files with 8 additions and 48 deletions
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1
src/documentation/content/xdocs/status.xml
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@ -34,6 +34,7 @@
<changes>
<release version="3.7-SNAPSHOT" date="2010-??-??">
<action dev="POI-DEVELOPERS" type="fix">48494 - have EventBasedExcelExtractor make use of HSSFDataFormatter, so that numbers and dates come out closer to how Excel would render them</action>
<action dev="POI-DEVELOPERS" type="fix">49096 - add clone support to Chart begin and end records, to allow cloning of more Chart containing sheets</action>
<action dev="POI-DEVELOPERS" type="add">List attachment names in the output of OutlookTextExtractor (to get attachment contents, use ExtractorFactory as normal)</action>
<action dev="POI-DEVELOPERS" type="fix">48872 - allow DateFormatter.formatRawCellContents to handle 1904 as well as 1900 dates</action>

45
src/java/org/apache/poi/hssf/extractor/EventBasedExcelExtractor.java
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@ -18,11 +18,7 @@
package org.apache.poi.hssf.extractor;
import java.io.IOException;
import java.text.DateFormat;
import java.text.DecimalFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import org.apache.poi.POIOLE2TextExtractor;
@ -35,7 +31,6 @@ import org.apache.poi.hssf.eventusermodel.HSSFRequest;
import org.apache.poi.hssf.model.HSSFFormulaParser;
import org.apache.poi.hssf.record.BOFRecord;
import org.apache.poi.hssf.record.BoundSheetRecord;
import org.apache.poi.hssf.record.CellValueRecordInterface;
import org.apache.poi.hssf.record.FormulaRecord;
import org.apache.poi.hssf.record.LabelRecord;
import org.apache.poi.hssf.record.LabelSSTRecord;
@ -44,7 +39,6 @@ import org.apache.poi.hssf.record.NumberRecord;
import org.apache.poi.hssf.record.Record;
import org.apache.poi.hssf.record.SSTRecord;
import org.apache.poi.hssf.record.StringRecord;
import org.apache.poi.hssf.usermodel.HSSFDateUtil;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.poifs.filesystem.DirectoryNode;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
@ -206,7 +200,7 @@ public class EventBasedExcelExtractor extends POIOLE2TextExtractor {
outputNextStringValue = true;
nextRow = frec.getRow();
} else {
thisText = formatNumberDateCell(frec, frec.getValue());
thisText = _ft.formatNumberDateCell(frec);
}
}
break;
@ -240,7 +234,7 @@ public class EventBasedExcelExtractor extends POIOLE2TextExtractor {
case NumberRecord.sid:
NumberRecord numrec = (NumberRecord) record;
thisRow = numrec.getRow();
thisText = formatNumberDateCell(numrec, numrec.getValue());
thisText = _ft.formatNumberDateCell(numrec);
break;
default:
break;
@ -257,40 +251,5 @@ public class EventBasedExcelExtractor extends POIOLE2TextExtractor {
_text.append(thisText);
}
}
/**
* Formats a number or date cell, be that a real number, or the
* answer to a formula
*/
private String formatNumberDateCell(CellValueRecordInterface cell, double value) {
// Get the built in format, if there is one
int formatIndex = _ft.getFormatIndex(cell);
String formatString = _ft.getFormatString(cell);
if(formatString == null) {
return Double.toString(value);
}
// Is it a date?
if(HSSFDateUtil.isADateFormat(formatIndex,formatString) &&
HSSFDateUtil.isValidExcelDate(value)) {
// Java wants M not m for month
formatString = formatString.replace('m','M');
// Change \- into -, if it's there
formatString = formatString.replaceAll("\\\\-","-");
// Format as a date
Date d = HSSFDateUtil.getJavaDate(value, false);
DateFormat df = new SimpleDateFormat(formatString);
return df.format(d);
}
if(formatString == "General") {
// Some sort of wierd default
return Double.toString(value);
}
// Format as a number
DecimalFormat df = new DecimalFormat(formatString);
return df.format(value);
}
}
}

10
src/testcases/org/apache/poi/hssf/extractor/TestExcelExtractor.java
View File

@ -158,11 +158,11 @@ public final class TestExcelExtractor extends TestCase {
text = extractor.getText();
assertEquals(
"1000.0\t1.0\tSUMIF(A1:A5,\">4000\",B1:B5)\n" +
"2000.0\t2.0\n" +
"3000.0\t3.0\n" +
"4000.0\t4.0\n" +
"5000.0\t5.0\n",
"1000\t1\tSUMIF(A1:A5,\">4000\",B1:B5)\n" +
"2000\t2\n" +
"3000\t3\n" +
"4000\t4\n" +
"5000\t5\n",
text
);
}