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package com.alibaba.excel.analysis.v07.usermodel; |
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import org.apache.poi.ooxml.POIXMLException; |
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import org.apache.poi.openxml4j.exceptions.InvalidFormatException; |
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import org.apache.poi.openxml4j.exceptions.OpenXML4JException; |
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import org.apache.poi.openxml4j.opc.OPCPackage; |
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import org.apache.poi.openxml4j.opc.PackagePart; |
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import org.apache.poi.openxml4j.opc.PackagePartName; |
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import org.apache.poi.openxml4j.opc.PackageRelationship; |
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import org.apache.poi.openxml4j.opc.PackageRelationshipCollection; |
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import org.apache.poi.openxml4j.opc.PackagingURIHelper; |
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import org.apache.poi.util.POILogFactory; |
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import org.apache.poi.util.POILogger; |
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import org.apache.poi.util.XMLHelper; |
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import org.apache.poi.xssf.model.CommentsTable; |
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import org.apache.poi.xssf.model.SharedStringsTable; |
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import org.apache.poi.xssf.model.StylesTable; |
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import org.apache.poi.xssf.model.ThemesTable; |
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import org.apache.poi.xssf.usermodel.XSSFDrawing; |
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import org.apache.poi.xssf.usermodel.XSSFRelation; |
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import org.apache.poi.xssf.usermodel.XSSFShape; |
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import org.apache.xmlbeans.XmlException; |
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import org.openxmlformats.schemas.spreadsheetml.x2006.main.STSheetState; |
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import org.xml.sax.Attributes; |
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import org.xml.sax.InputSource; |
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import org.xml.sax.SAXException; |
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import org.xml.sax.XMLReader; |
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import org.xml.sax.helpers.DefaultHandler; |
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import javax.xml.parsers.ParserConfigurationException; |
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.util.ArrayList; |
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import java.util.Arrays; |
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import java.util.Collections; |
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import java.util.HashMap; |
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import java.util.HashSet; |
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import java.util.Iterator; |
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import java.util.LinkedList; |
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import java.util.List; |
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import java.util.Map; |
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import java.util.Set; |
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/** |
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* @see org.apache.poi.xssf.eventusermodel.XSSFReader |
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* @author lucian |
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*/ |
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public class FineXssfReader { |
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private static final String RELATIONSHIP_TYPE_1 = "http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument"; |
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private static final String RELATIONSHIP_TYPE_2 = "http://purl.oclc.org/ooxml/officeDocument/relationships/officeDocument"; |
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private static final Set<String> WORKSHEET_RELS; |
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private static final POILogger LOGGER; |
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protected OPCPackage pkg; |
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protected PackagePart workbookPart; |
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public FineXssfReader(OPCPackage pkg) throws IOException, OpenXML4JException { |
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this.pkg = pkg; |
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PackageRelationship coreDocRelationship = this.pkg.getRelationshipsByType(RELATIONSHIP_TYPE_1).getRelationship(0); |
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if (coreDocRelationship == null) { |
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if (this.pkg.getRelationshipsByType(RELATIONSHIP_TYPE_2).getRelationship(0) != null) { |
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throw new POIXMLException("Strict OOXML isn't currently supported, please see bug #57699"); |
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} else { |
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throw new POIXMLException("OOXML file structure broken/invalid - no core document found!"); |
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} |
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} else { |
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this.workbookPart = this.pkg.getPart(coreDocRelationship); |
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} |
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} |
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public SharedStringsTable getSharedStringsTable() throws IOException, InvalidFormatException { |
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ArrayList<PackagePart> parts = this.pkg.getPartsByContentType(XSSFRelation.SHARED_STRINGS.getContentType()); |
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return parts.size() == 0 ? null : new SharedStringsTable((PackagePart)parts.get(0)); |
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} |
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public StylesTable getStylesTable() throws IOException, InvalidFormatException { |
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ArrayList<PackagePart> parts = this.pkg.getPartsByContentType(XSSFRelation.STYLES.getContentType()); |
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if (parts.size() == 0) { |
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return null; |
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} else { |
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StylesTable styles = new StylesTable((PackagePart)parts.get(0)); |
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parts = this.pkg.getPartsByContentType(XSSFRelation.THEME.getContentType()); |
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if (parts.size() != 0) { |
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styles.setTheme(new ThemesTable((PackagePart)parts.get(0))); |
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} |
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return styles; |
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} |
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} |
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public InputStream getSharedStringsData() throws IOException, InvalidFormatException { |
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return XSSFRelation.SHARED_STRINGS.getContents(this.workbookPart); |
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} |
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public InputStream getStylesData() throws IOException, InvalidFormatException { |
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return XSSFRelation.STYLES.getContents(this.workbookPart); |
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} |
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public InputStream getThemesData() throws IOException, InvalidFormatException { |
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return XSSFRelation.THEME.getContents(this.workbookPart); |
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} |
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public InputStream getWorkbookData() throws IOException, InvalidFormatException { |
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return this.workbookPart.getInputStream(); |
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} |
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public InputStream getSheet(String relId) throws IOException, InvalidFormatException { |
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PackageRelationship rel = this.workbookPart.getRelationship(relId); |
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if (rel == null) { |
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throw new IllegalArgumentException("No Sheet found with r:id " + relId); |
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} else { |
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PackagePartName relName = PackagingURIHelper.createPartName(rel.getTargetURI()); |
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PackagePart sheet = this.pkg.getPart(relName); |
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if (sheet == null) { |
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throw new IllegalArgumentException("No data found for Sheet with r:id " + relId); |
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} else { |
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return sheet.getInputStream(); |
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} |
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} |
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} |
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public Iterator<InputStream> getSheetsData() throws IOException, InvalidFormatException { |
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return new SheetIterator(this.workbookPart); |
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} |
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static { |
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WORKSHEET_RELS = Collections.unmodifiableSet(new HashSet(Arrays.asList(XSSFRelation.WORKSHEET.getRelation(), XSSFRelation.CHARTSHEET.getRelation()))); |
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LOGGER = POILogFactory.getLogger(FineXssfReader.class); |
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} |
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private static class XmlSheetRefReader extends DefaultHandler { |
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private static final String SHEET = "sheet"; |
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private static final String ID = "id"; |
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private static final String NAME = "name"; |
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private static final String STATE = "state"; |
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private final List<XssfSheetRef> sheetRefs; |
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private XmlSheetRefReader() { |
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this.sheetRefs = new LinkedList(); |
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} |
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public void startElement(String uri, String localName, String qName, Attributes attrs) throws SAXException { |
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if (localName.equalsIgnoreCase(SHEET)) { |
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String name = null; |
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String id = null; |
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STSheetState.Enum state = STSheetState.VISIBLE; |
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for(int i = 0; i < attrs.getLength(); ++i) { |
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String attrName = attrs.getLocalName(i); |
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if (attrName.equalsIgnoreCase(NAME)) { |
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name = attrs.getValue(i); |
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} else if (attrName.equalsIgnoreCase(ID)) { |
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id = attrs.getValue(i); |
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} else if (attrName.equalsIgnoreCase(STATE)) { |
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state = STSheetState.Enum.forString(attrs.getValue(i)); |
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} |
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if (name != null && id != null) { |
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this.sheetRefs.add(new XssfSheetRef(id, name, state)); |
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break; |
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} |
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} |
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} |
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} |
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List<XssfSheetRef> getSheetRefs() { |
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return Collections.unmodifiableList(this.sheetRefs); |
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} |
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} |
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protected static final class XssfSheetRef { |
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private final String id; |
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private final String name; |
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private final STSheetState.Enum state; |
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public XssfSheetRef(String id, String name, STSheetState.Enum state) { |
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this.id = id; |
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this.name = name; |
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this.state = state; |
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} |
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public String getId() { |
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return this.id; |
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} |
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public String getName() { |
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return this.name; |
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} |
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public STSheetState.Enum getState() { |
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return state; |
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} |
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} |
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public static class SheetIterator implements Iterator<InputStream> { |
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private final Map<String, PackagePart> sheetMap; |
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XssfSheetRef xssfSheetRef; |
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final Iterator<XssfSheetRef> sheetIterator; |
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SheetIterator(PackagePart wb) throws IOException { |
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try { |
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this.sheetMap = new HashMap(); |
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OPCPackage pkg = wb.getPackage(); |
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Set<String> worksheetRels = this.getSheetRelationships(); |
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Iterator var4 = wb.getRelationships().iterator(); |
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while(var4.hasNext()) { |
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PackageRelationship rel = (PackageRelationship)var4.next(); |
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String relType = rel.getRelationshipType(); |
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if (worksheetRels.contains(relType)) { |
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PackagePartName relName = PackagingURIHelper.createPartName(rel.getTargetURI()); |
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this.sheetMap.put(rel.getId(), pkg.getPart(relName)); |
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} |
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} |
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this.sheetIterator = this.createSheetIteratorFromWB(wb); |
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} catch (InvalidFormatException var8) { |
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throw new POIXMLException(var8); |
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} |
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} |
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Iterator<XssfSheetRef> createSheetIteratorFromWB(PackagePart wb) throws IOException { |
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XmlSheetRefReader xmlSheetRefReader = new XmlSheetRefReader(); |
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XMLReader xmlReader; |
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try { |
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xmlReader = XMLHelper.newXMLReader(); |
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} catch (SAXException var9) { |
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throw new POIXMLException(var9); |
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} catch (ParserConfigurationException var9) { |
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throw new POIXMLException(var9); |
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} |
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xmlReader.setContentHandler(xmlSheetRefReader); |
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try { |
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xmlReader.parse(new InputSource(wb.getInputStream())); |
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} catch (SAXException var8) { |
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throw new POIXMLException(var8); |
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} |
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List<XssfSheetRef> validSheets = new ArrayList(); |
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Iterator var5 = xmlSheetRefReader.getSheetRefs().iterator(); |
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while(var5.hasNext()) { |
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XssfSheetRef xssfSheetRef = (XssfSheetRef)var5.next(); |
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String sheetId = xssfSheetRef.getId(); |
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if (sheetId != null && sheetId.length() > 0) { |
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validSheets.add(xssfSheetRef); |
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} |
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} |
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return validSheets.iterator(); |
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} |
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Set<String> getSheetRelationships() { |
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return WORKSHEET_RELS; |
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} |
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public boolean hasNext() { |
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return this.sheetIterator.hasNext(); |
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} |
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public InputStream next() { |
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this.xssfSheetRef = (XssfSheetRef)this.sheetIterator.next(); |
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String sheetId = this.xssfSheetRef.getId(); |
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try { |
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PackagePart sheetPkg = (PackagePart)this.sheetMap.get(sheetId); |
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return sheetPkg.getInputStream(); |
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} catch (IOException var3) { |
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throw new POIXMLException(var3); |
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} |
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} |
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public String getSheetName() { |
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return this.xssfSheetRef.getName(); |
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} |
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public STSheetState.Enum getState() { |
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return this.xssfSheetRef.getState(); |
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} |
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public CommentsTable getSheetComments() { |
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PackagePart sheetPkg = this.getSheetPart(); |
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try { |
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PackageRelationshipCollection commentsList = sheetPkg.getRelationshipsByType(XSSFRelation.SHEET_COMMENTS.getRelation()); |
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if (commentsList.size() > 0) { |
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PackageRelationship comments = commentsList.getRelationship(0); |
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PackagePartName commentsName = PackagingURIHelper.createPartName(comments.getTargetURI()); |
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PackagePart commentsPart = sheetPkg.getPackage().getPart(commentsName); |
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return new CommentsTable(commentsPart); |
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} else { |
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return null; |
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} |
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} catch (IOException var6) { |
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LOGGER.log(5, new Object[]{var6}); |
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return null; |
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} catch (InvalidFormatException var6) { |
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LOGGER.log(5, new Object[]{var6}); |
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return null; |
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} |
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} |
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public List<XSSFShape> getShapes() { |
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PackagePart sheetPkg = this.getSheetPart(); |
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LinkedList shapes = new LinkedList(); |
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try { |
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PackageRelationshipCollection drawingsList = sheetPkg.getRelationshipsByType(XSSFRelation.DRAWINGS.getRelation()); |
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for(int i = 0; i < drawingsList.size(); ++i) { |
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PackageRelationship drawings = drawingsList.getRelationship(i); |
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PackagePartName drawingsName = PackagingURIHelper.createPartName(drawings.getTargetURI()); |
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PackagePart drawingsPart = sheetPkg.getPackage().getPart(drawingsName); |
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if (drawingsPart == null) { |
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LOGGER.log(5, new Object[]{"Missing drawing: " + drawingsName + ". Skipping it."}); |
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} else { |
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XSSFDrawing drawing = new XSSFDrawing(drawingsPart); |
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shapes.addAll(drawing.getShapes()); |
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} |
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} |
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return shapes; |
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} catch (InvalidFormatException var9) { |
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LOGGER.log(5, new Object[]{var9}); |
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return null; |
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} catch (IOException e) { |
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LOGGER.log(5, new Object[]{e}); |
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return null; |
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} catch (XmlException e) { |
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LOGGER.log(5, new Object[]{e}); |
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return null; |
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} |
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} |
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public PackagePart getSheetPart() { |
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String sheetId = this.xssfSheetRef.getId(); |
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return this.sheetMap.get(sheetId); |
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} |
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public void remove() { |
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throw new IllegalStateException("Not supported"); |
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} |
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} |
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} |
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