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Bring over some fixes from XSSFSheetXMLHandler, and note that in the javadocs

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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1695309 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2015-08-11 14:31:14 +00:00
parent ccc4ebcf70
commit beec0097bc
1 changed files with 22 additions and 13 deletions
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35
src/examples/src/org/apache/poi/xssf/eventusermodel/XLSX2CSV.java
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@ -31,6 +31,8 @@ import org.apache.poi.openxml4j.opc.OPCPackage;
import org.apache.poi.openxml4j.opc.PackageAccess;
import org.apache.poi.ss.usermodel.BuiltinFormats;
import org.apache.poi.ss.usermodel.DataFormatter;
import org.apache.poi.xssf.eventusermodel.XSSFSheetXMLHandler.SheetContentsHandler;
import org.apache.poi.xssf.extractor.XSSFEventBasedExcelExtractor;
import org.apache.poi.xssf.model.StylesTable;
import org.apache.poi.xssf.usermodel.XSSFCellStyle;
import org.apache.poi.xssf.usermodel.XSSFRichTextString;
@ -57,12 +59,12 @@ import org.xml.sax.helpers.DefaultHandler;
* because the standard POI SharedStringsTable grows very
* quickly with the number of unique strings.
* <p/>
* Thanks to Eric Smith for a patch that fixes a problem
* triggered by cells with multiple "t" elements, which is
* how Excel represents different formats (e.g., one word
* plain and one word bold).
*
* @author Chris Lott
* For a more advanced implementation of SAX event parsing
* of XLSX files, see {@link XSSFEventBasedExcelExtractor}
* and {@link XSSFSheetXMLHandler}. Note that some use cases,
* it may be possible to simply use those with a custom
* {@link SheetContentsHandler} and no SAX code needed of
* your own!
*/
public class XLSX2CSV {
@ -195,12 +197,19 @@ public class XLSX2CSV {
else if (cellStyleStr != null) {
// It's a number, but almost certainly one
// with a special style or format
int styleIndex = Integer.parseInt(cellStyleStr);
XSSFCellStyle style = stylesTable.getStyleAt(styleIndex);
this.formatIndex = style.getDataFormat();
this.formatString = style.getDataFormatString();
if (this.formatString == null)
this.formatString = BuiltinFormats.getBuiltinFormat(this.formatIndex);
XSSFCellStyle style = null;
if (cellStyleStr != null) {
int styleIndex = Integer.parseInt(cellStyleStr);
style = stylesTable.getStyleAt(styleIndex);
} else if (stylesTable.getNumCellStyles() > 0) {
style = stylesTable.getStyleAt(0);
}
if (style != null) {
this.formatIndex = style.getDataFormat();
this.formatString = style.getDataFormatString();
if (this.formatString == null)
this.formatString = BuiltinFormats.getBuiltinFormat(this.formatIndex);
}
}
}
@ -256,7 +265,7 @@ public class XLSX2CSV {
case NUMBER:
String n = value.toString();
if (this.formatString != null)
if (this.formatString != null && n.length() > 0)
thisStr = formatter.formatRawCellContents(Double.parseDouble(n), this.formatIndex, this.formatString);
else
thisStr = n;