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Bug 57930: Add support for inlineString in FromHowTo

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Also do not require an Apache Xerces Parser, let the JDK choose an available one instead

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1737247 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Dominik Stadler 2016-03-31 14:39:11 +00:00
parent 12f99cc9d5
commit 316c1fe307
1 changed files with 14 additions and 19 deletions
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33
src/examples/src/org/apache/poi/xssf/eventusermodel/examples/FromHowTo.java
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@ -58,7 +58,7 @@ public class FromHowTo {
OPCPackage pkg = OPCPackage.open(filename); OPCPackage pkg = OPCPackage.open(filename);
XSSFReader r = new XSSFReader( pkg ); XSSFReader r = new XSSFReader( pkg );
SharedStringsTable sst = r.getSharedStringsTable(); SharedStringsTable sst = r.getSharedStringsTable();
XMLReader parser = fetchSheetParser(sst); XMLReader parser = fetchSheetParser(sst);
Iterator<InputStream> sheets = r.getSheetsData(); Iterator<InputStream> sheets = r.getSheetsData();
@ -73,45 +73,40 @@ public class FromHowTo {
} }
public XMLReader fetchSheetParser(SharedStringsTable sst) throws SAXException { public XMLReader fetchSheetParser(SharedStringsTable sst) throws SAXException {
XMLReader parser = XMLReader parser = XMLReaderFactory.createXMLReader();
XMLReaderFactory.createXMLReader(
"org.apache.xerces.parsers.SAXParser"
);
ContentHandler handler = new SheetHandler(sst); ContentHandler handler = new SheetHandler(sst);
parser.setContentHandler(handler); parser.setContentHandler(handler);
return parser; return parser;
} }
/** /**
* See org.xml.sax.helpers.DefaultHandler javadocs * See org.xml.sax.helpers.DefaultHandler javadocs
*/ */
private static class SheetHandler extends DefaultHandler { private static class SheetHandler extends DefaultHandler {
private SharedStringsTable sst; private SharedStringsTable sst;
private String lastContents; private String lastContents;
private boolean nextIsString; private boolean nextIsString;
private boolean inlineStr;
private SheetHandler(SharedStringsTable sst) { private SheetHandler(SharedStringsTable sst) {
this.sst = sst; this.sst = sst;
} }
public void startElement(String uri, String localName, String name, public void startElement(String uri, String localName, String name,
Attributes attributes) throws SAXException { Attributes attributes) throws SAXException {
// c => cell // c => cell
if(name.equals("c")) { if(name.equals("c")) {
// Print the cell reference // Print the cell reference
System.out.print(attributes.getValue("r") + " - "); System.out.print(attributes.getValue("r") + " - ");
// Figure out if the value is an index in the SST // Figure out if the value is an index in the SST
String cellType = attributes.getValue("t"); String cellType = attributes.getValue("t");
if(cellType != null && cellType.equals("s")) { nextIsString = cellType != null && cellType.equals("s");
nextIsString = true; inlineStr = cellType != null && cellType.equals("inlineStr");
} else {
nextIsString = false;
}
} }
// Clear contents cache // Clear contents cache
lastContents = ""; lastContents = "";
} }
public void endElement(String uri, String localName, String name) public void endElement(String uri, String localName, String name)
throws SAXException { throws SAXException {
// Process the last contents as required. // Process the last contents as required.
@ -119,12 +114,12 @@ public class FromHowTo {
if(nextIsString) { if(nextIsString) {
int idx = Integer.parseInt(lastContents); int idx = Integer.parseInt(lastContents);
lastContents = new XSSFRichTextString(sst.getEntryAt(idx)).toString(); lastContents = new XSSFRichTextString(sst.getEntryAt(idx)).toString();
nextIsString = false; nextIsString = false;
} }
// v => contents of a cell // v => contents of a cell
// Output after we've seen the string contents // Output after we've seen the string contents
if(name.equals("v")) { if(name.equals("v") || (inlineStr && name.equals("c"))) {
System.out.println(lastContents); System.out.println(lastContents);
} }
} }
@ -133,7 +128,7 @@ public class FromHowTo {
lastContents += new String(ch, start, length); lastContents += new String(ch, start, length);
} }
} }
public static void main(String[] args) throws Exception { public static void main(String[] args) throws Exception {
FromHowTo howto = new FromHowTo(); FromHowTo howto = new FromHowTo();
howto.processFirstSheet(args[0]); howto.processFirstSheet(args[0]);