Examples of org.apache.poi.poifs.filesystem.DirectoryNode

org.apache.poi.poifs.filesystem.DirectoryNode
Simple implementation of DirectoryEntry @author Marc Johnson (mjohnson at apache dot org)

    POIDataSamples ssSamples = POIDataSamples.getSpreadSheetInstance();
    POIFSFileSystem fs = new POIFSFileSystem(
        ssSamples.openResourceAsStream("excel_with_embeded.xls")
    );


    DirectoryNode dirA = (DirectoryNode) fs.getRoot().getEntry("MBD0000A3B5");
    DirectoryNode dirB = (DirectoryNode) fs.getRoot().getEntry("MBD0000A3B4");


    HSSFWorkbook wbA = new HSSFWorkbook(dirA, fs, true);
    HSSFWorkbook wbB = new HSSFWorkbook(dirB, fs, true);


    ExcelExtractor exA = new ExcelExtractor(wbA);

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        POIFSFileSystem fs = new POIFSFileSystem(part.getInputStream());
        try {
            Metadata metadata = new Metadata();
            TikaInputStream stream = null;


            DirectoryNode root = fs.getRoot();
            POIFSDocumentType type = POIFSDocumentType.detectType(root);
            
            if (root.hasEntry("CONTENTS")
                  && root.hasEntry("\u0001Ole")
                  && root.hasEntry("\u0001CompObj")
                  && root.hasEntry("\u0003ObjInfo")) {
               // TIKA-704: OLE 2.0 embedded non-Office document?
               stream = TikaInputStream.get(
                     fs.createDocumentInputStream("CONTENTS"));
               if (embeddedExtractor.shouldParseEmbedded(metadata)) {
                  embeddedExtractor.parseEmbedded(

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        obj.addSubRecord(new EndSubRecord());


        String entryName = "MBD"+HexDump.toHex(storageId);
        DirectoryEntry oleRoot;
        try {
            DirectoryNode dn = _sheet.getWorkbook().getRootDirectory();
          if (dn == null) throw new FileNotFoundException();
          oleRoot = (DirectoryEntry)dn.getEntry(entryName);
        } catch (FileNotFoundException e) {
          throw new IllegalStateException("trying to add ole shape without actually adding data first - use HSSFWorkbook.addOlePackage first", e);
        }
        
        // create picture shape, which need to be minimal modified for oleshapes

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    protected boolean processOle2( HWPFDocument wordDocument, Element block,
            Entry entry ) throws Exception
    {
        if ( !( entry instanceof DirectoryNode ) )
            return false;
        DirectoryNode directoryNode = (DirectoryNode) entry;


        /*
         * even if there is no ExtractorFactory in classpath, still support
         * included Word's objects
         */
        if ( directoryNode.hasEntry( "WordDocument" ) )
        {
            String text = WordToTextConverter.getText( (DirectoryNode) entry );
            block.appendChild( textDocumentFacade
                    .createText( UNICODECHAR_ZERO_WIDTH_SPACE + text
                            + UNICODECHAR_ZERO_WIDTH_SPACE ) );

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      return olemap;
    }
    
    public int addOlePackage(POIFSFileSystem poiData, String label, String fileName, String command)
    throws IOException {
      DirectoryNode root = poiData.getRoot();
      Map<String,ClassID> olemap = getOleMap();
      for (Map.Entry<String,ClassID> entry : olemap.entrySet()) {
        if (root.hasEntry(entry.getKey())) {
          root.setStorageClsid(entry.getValue());
          break;
        }
      }
      
      ByteArrayOutputStream bos = new ByteArrayOutputStream();

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         POIFSFileSystem fs = new POIFSFileSystem(
             POIDataSamples.getSpreadSheetInstance().openResourceAsStream("excel_with_embeded.xls")
         );
         HSLFSlideShow ss;


         DirectoryNode dirA = (DirectoryNode)
             fs.getRoot().getEntry("MBD0000A3B6");
         DirectoryNode dirB = (DirectoryNode)
             fs.getRoot().getEntry("MBD0000A3B3");


         assertNotNull(dirA.getEntry("PowerPoint Document"));
         assertNotNull(dirB.getEntry("PowerPoint Document"));


         // Check the first file
         ss = new HSLFSlideShow(dirA, fs);
         ppe = new PowerPointExtractor(ss);
         assertEquals("Sample PowerPoint file\nThis is the 1st file\nNot much too it\n",

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  public void testExtractFromEmbeded() throws Exception {
    POIFSFileSystem fs = new POIFSFileSystem(POIDataSamples.getSpreadSheetInstance().openResourceAsStream(filename3));
    HWPFDocument doc;
    WordExtractor extractor3;


    DirectoryNode dirA = (DirectoryNode) fs.getRoot().getEntry("MBD0000A3B7");
    DirectoryNode dirB = (DirectoryNode) fs.getRoot().getEntry("MBD0000A3B2");


    // Should have WordDocument and 1Table
    assertNotNull(dirA.getEntry("1Table"));
    assertNotNull(dirA.getEntry("WordDocument"));


    assertNotNull(dirB.getEntry("1Table"));
    assertNotNull(dirB.getEntry("WordDocument"));


    // Check each in turn
    doc = new HWPFDocument(dirA, fs);
    extractor3 = new WordExtractor(doc);

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    public void dumpFileSystem() throws Exception
    {
        java.lang.reflect.Field field = POIDocument.class
                .getDeclaredField( "directory" );
        field.setAccessible( true );
        DirectoryNode directoryNode = (DirectoryNode) field.get( _doc );


        System.out.println( dumpFileSystem( directoryNode ) );
    }

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        POIFSFileSystem fs = new POIFSFileSystem(part.getInputStream());
        try {
            Metadata metadata = new Metadata();
            TikaInputStream stream = null;


            DirectoryNode root = fs.getRoot();
            POIFSDocumentType type = POIFSDocumentType.detectType(root);
            
            if (root.hasEntry("CONTENTS")
                  && root.hasEntry("\u0001Ole")
                  && root.hasEntry("\u0001CompObj")
                  && root.hasEntry("\u0003ObjInfo")) {
               // TIKA-704: OLE 2.0 embedded non-Office document?
               stream = TikaInputStream.get(
                     fs.createDocumentInputStream("CONTENTS"));
               if (embeddedExtractor.shouldParseEmbedded(metadata)) {
                  embeddedExtractor.parseEmbedded(

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    protected boolean processOle2( HWPFDocument wordDocument, Element block,
            Entry entry ) throws Exception
    {
        if ( !( entry instanceof DirectoryNode ) )
            return false;
        DirectoryNode directoryNode = (DirectoryNode) entry;


        /*
         * even if there is no ExtractorFactory in classpath, still support
         * included Word's objects
         */
        if ( directoryNode.hasEntry( "WordDocument" ) )
        {
            String text = WordToTextConverter.getText( (DirectoryNode) entry );
            block.appendChild( textDocumentFacade
                    .createText( UNICODECHAR_ZERO_WIDTH_SPACE + text
                            + UNICODECHAR_ZERO_WIDTH_SPACE ) );

View Full Code Here

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Related Classes of org.apache.poi.poifs.filesystem.DirectoryNode

org.apache.poi.hpbf.dev.HPBFDumper

org.apache.poi.hpbf.model.HPBFPart

org.apache.poi.hslf.extractor.TestExtractor

org.apache.poi.hslf.extractor.TextExtractor

org.apache.poi.hslf.usermodel.SlideShow

org.apache.poi.hsmf.parsers.POIFSChunkParser

org.apache.poi.hssf.extractor.TestExcelExtractor

org.apache.poi.hssf.usermodel.examples.EmeddedObjects

org.apache.poi.hssf.usermodel.HSSFPatriarch

org.apache.poi.hssf.usermodel.HSSFWorkbook

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