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bug 58775: consolidate HashMap and array numberFormats data structures to one SortedMap data structure

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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1721928 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Javen O'Neal 2015-12-28 14:37:23 +00:00
parent 8f47967d55
commit 0404c61acc
1 changed files with 32 additions and 18 deletions
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50
src/ooxml/java/org/apache/poi/xssf/model/StylesTable.java
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@ -25,10 +25,11 @@ import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.SortedMap;
import java.util.TreeMap;
import org.apache.poi.POIXMLDocumentPart;
import org.apache.poi.openxml4j.opc.PackagePart;
@ -67,8 +68,7 @@ import org.openxmlformats.schemas.spreadsheetml.x2006.main.StyleSheetDocument;
* Table of styles shared across all sheets in a workbook.
*/
public class StylesTable extends POIXMLDocumentPart {
private final Map<Integer, String> numberFormats = new HashMap<Integer,String>();
private final boolean[] usedNumberFormats = new boolean[SpreadsheetVersion.EXCEL2007.getMaxCellStyles()];
private final SortedMap<Integer, String> numberFormats = new TreeMap<Integer,String>();
private final List<XSSFFont> fonts = new ArrayList<XSSFFont>();
private final List<XSSFCellFill> fills = new ArrayList<XSSFCellFill>();
private final List<XSSFCellBorder> borders = new ArrayList<XSSFCellBorder>();
@ -80,7 +80,12 @@ public class StylesTable extends POIXMLDocumentPart {
/**
* The first style id available for use as a custom style
*/
// Is this right? Number formats (XSSFDataFormat) and cell styles (XSSFCellStyle) are different.
// What's up with the plus 1?
public static final int FIRST_CUSTOM_STYLE_ID = BuiltinFormats.FIRST_USER_DEFINED_FORMAT_INDEX + 1;
private static final int FIRST_USER_DEFINED_NUMBER_FORMAT_ID = BuiltinFormats.FIRST_USER_DEFINED_FORMAT_INDEX;
private static final int MAXIMUM_NUMBER_OF_DATA_FORMATS = SpreadsheetVersion.EXCEL2007.getMaxCellStyles(); //FIXME: should be 250
private static final int MAXIMUM_STYLE_ID = SpreadsheetVersion.EXCEL2007.getMaxCellStyles();
private StyleSheetDocument doc;
@ -160,7 +165,6 @@ public class StylesTable extends POIXMLDocumentPart {
for (CTNumFmt nfmt : ctfmts.getNumFmtArray()) {
int formatId = (int)nfmt.getNumFmtId();
numberFormats.put(formatId, nfmt.getFormatCode());
usedNumberFormats[formatId] = true;
}
}
@ -219,6 +223,7 @@ public class StylesTable extends POIXMLDocumentPart {
* @return the index of <code>fmt</code> in the number format style table
*/
public int putNumberFormat(String fmt) {
// Check if number format already exists
if (numberFormats.containsValue(fmt)) {
// Find the key, and return that
for (Entry<Integer,String> numFmt : numberFormats.entrySet()) {
@ -229,16 +234,27 @@ public class StylesTable extends POIXMLDocumentPart {
throw new IllegalStateException("Found the format, but couldn't figure out where - should never happen!");
}
// Find a spare key, and add that
for (int i=FIRST_CUSTOM_STYLE_ID; i<usedNumberFormats.length; i++) {
if (!usedNumberFormats[i]) {
usedNumberFormats[i] = true;
numberFormats.put(i, fmt);
return i;
}
}
if (numberFormats.size() > MAXIMUM_NUMBER_OF_DATA_FORMATS) {
throw new IllegalStateException("The maximum number of Data Formats was exceeded. " +
"You can define up to " + usedNumberFormats.length + " formats in a .xlsx Workbook");
"You can define up to " + MAXIMUM_NUMBER_OF_DATA_FORMATS + " formats in a .xlsx Workbook.");
}
// Find a spare key, and add that
final int formatIndex;
if (numberFormats.isEmpty()) {
formatIndex = FIRST_USER_DEFINED_NUMBER_FORMAT_ID;
}
else {
// get next-available numberFormat index.
// Assumption: there are never gaps in numberFormats indices
formatIndex = Math.max(
numberFormats.lastKey() + 1,
FIRST_USER_DEFINED_NUMBER_FORMAT_ID);
}
numberFormats.put(formatIndex, fmt);
return formatIndex;
}
public XSSFFont getFontAt(int idx) {
@ -428,12 +444,10 @@ public class StylesTable extends POIXMLDocumentPart {
// Formats
CTNumFmts formats = CTNumFmts.Factory.newInstance();
formats.setCount(numberFormats.size());
for (int fmtId=0; fmtId<usedNumberFormats.length; fmtId++) {
if (usedNumberFormats[fmtId]) {
for (final Entry<Integer, String> entry : numberFormats.entrySet()) {
CTNumFmt ctFmt = formats.addNewNumFmt();
ctFmt.setNumFmtId(fmtId);
ctFmt.setFormatCode(numberFormats.get(fmtId));
}
ctFmt.setNumFmtId(entry.getKey());
ctFmt.setFormatCode(entry.getValue());
}
styleSheet.setNumFmts(formats);