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72
src/main/java/com/github/pjfanning/xlsx/impl/ooxml/OoxmlStrictHelper.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| package com.github.pjfanning.xlsx.impl.ooxml; | ||
|
|
||
| import org.apache.poi.openxml4j.exceptions.InvalidFormatException; | ||
| import org.apache.poi.openxml4j.opc.OPCPackage; | ||
| import org.apache.poi.openxml4j.opc.PackagePart; | ||
| import org.apache.poi.openxml4j.opc.internal.MemoryPackagePart; | ||
| import org.apache.poi.util.TempFile; | ||
| import org.apache.poi.xssf.model.StylesTable; | ||
| import org.apache.poi.xssf.model.ThemesTable; | ||
| import org.apache.poi.xssf.usermodel.XSSFRelation; | ||
|
|
||
| import javax.xml.stream.XMLStreamException; | ||
| import java.io.*; | ||
| import java.util.List; | ||
|
|
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| public class OoxmlStrictHelper { | ||
| public static ThemesTable getThemesTable(OPCPackage pkg) throws IOException, XMLStreamException, InvalidFormatException { | ||
| List<PackagePart> parts = pkg.getPartsByContentType(XSSFRelation.THEME.getContentType()); | ||
| if (parts.isEmpty()) { | ||
| return null; | ||
| } else { | ||
| PackagePart part = parts.get(0); | ||
| File tempFile = TempFile.createTempFile("ooxml-strict-themes", ".xml"); | ||
| try { | ||
| try( | ||
| InputStream is = part.getInputStream(); | ||
| OutputStream os = new FileOutputStream(tempFile); | ||
| OoXmlStrictConverter converter = new OoXmlStrictConverter(is, os) | ||
| ) { | ||
| while (converter.convertNextElement()) { | ||
| //continue | ||
| } | ||
| } | ||
| MemoryPackagePart newPart = new MemoryPackagePart(pkg, part.getPartName(), part.getContentType()); | ||
| try(InputStream is = new FileInputStream(tempFile)) { | ||
| newPart.load(is); | ||
| } | ||
| return new ThemesTable(newPart); | ||
| } finally { | ||
| tempFile.delete(); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| public static StylesTable getStylesTable(OPCPackage pkg) throws IOException, XMLStreamException, InvalidFormatException { | ||
| List<PackagePart> parts = pkg.getPartsByContentType(XSSFRelation.STYLES.getContentType()); | ||
| if (parts.isEmpty()) { | ||
| return null; | ||
| } else { | ||
| PackagePart part = parts.get(0); | ||
| File tempFile = TempFile.createTempFile("ooxml-strict-styles", ".xml"); | ||
| try { | ||
| try( | ||
| InputStream is = part.getInputStream(); | ||
| OutputStream os = new FileOutputStream(tempFile); | ||
| OoXmlStrictConverter converter = new OoXmlStrictConverter(is, os) | ||
| ) { | ||
| while (converter.convertNextElement()) { | ||
| //continue | ||
| } | ||
| } | ||
| MemoryPackagePart newPart = new MemoryPackagePart(pkg, part.getPartName(), part.getContentType()); | ||
| try(InputStream is = new FileInputStream(tempFile)) { | ||
| newPart.load(is); | ||
| } | ||
| return new StylesTable(newPart); | ||
| } finally { | ||
| tempFile.delete(); | ||
| } | ||
| } | ||
| } | ||
| } |
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