/**
   * Processes a file into essentially record events.
   *
   * @param req an Instance of HSSFRequest which has your registered listeners
   * @param dir a DirectoryNode containing your workbook
   */
  public void processWorkbookEvents(HSSFRequest req, DirectoryNode dir) throws IOException {
    // some old documents have "WORKBOOK" or "BOOK"
    final String name;
    Set<String> entryNames = dir.getEntryNames();
    if (entryNames.contains("Workbook")) {
      name = "Workbook";
    } else if (entryNames.contains("WORKBOOK")) {
      name = "WORKBOOK";
    } else if (entryNames.contains("BOOK")) {
      name = "BOOK";
    } else {
      name = "Workbook";
    }

    InputStream in = dir.createDocumentInputStream(name);

    processEvents(req, in);
  }
  /**
   * This constructor loads a Word document from a specific point in a POIFSFileSystem, probably not
   * the default. Used typically to open embeded documents.
   *
   * @param directory The DirectoryNode that contains the Word document.
   * @throws IOException If there is an unexpected IOException from the passed in POIFSFileSystem.
   */
  public HWPFDocumentCore(DirectoryNode directory) throws IOException {
    // Sort out the hpsf properties
    super(directory);

    // read in the main stream.
    DocumentEntry documentProps = (DocumentEntry) directory.getEntry("WordDocument");
    _mainStream = new byte[documentProps.getSize()];

    directory.createDocumentInputStream(STREAM_WORD_DOCUMENT).read(_mainStream);

    // Create our FIB, and check for the doc being encrypted
    _fib = new FileInformationBlock(_mainStream);

    DirectoryEntry objectPoolEntry;
    try {
      objectPoolEntry = (DirectoryEntry) directory.getEntry(STREAM_OBJECT_POOL);
    } catch (FileNotFoundException exc) {
      objectPoolEntry = null;
    }
    _objectPool = new ObjectPoolImpl(objectPoolEntry);
  }
 /**
  * Processes a file into essentially record events.
  *
  * @param req an Instance of HSSFRequest which has your registered listeners
  * @param dir a DirectoryNode containing your workbook
  * @return numeric user-specified result code.
  */
 public short abortableProcessWorkbookEvents(HSSFRequest req, DirectoryNode dir)
     throws IOException, HSSFUserException {
   InputStream in = dir.createDocumentInputStream("Workbook");
   return abortableProcessEvents(req, in);
 }
Ejemplo n.º 4
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  /**
   * This constructor loads a Word document from a specific point in a POIFSFileSystem, probably not
   * the default. Used typically to open embeded documents.
   *
   * @param directory The DirectoryNode that contains the Word document.
   * @throws IOException If there is an unexpected IOException from the passed in POIFSFileSystem.
   */
  public HWPFDocument(DirectoryNode directory) throws IOException {
    // Load the main stream and FIB
    // Also handles HPSF bits
    super(directory);

    // Is this document too old for us?
    if (_fib.getFibBase().getNFib() < 106) {
      throw new OldWordFileFormatException(
          "The document is too old - Word 95 or older. Try HWPFOldDocument instead?");
    }

    // use the fib to determine the name of the table stream.
    String name = STREAM_TABLE_0;
    if (_fib.getFibBase().isFWhichTblStm()) {
      name = STREAM_TABLE_1;
    }

    // Grab the table stream.
    DocumentEntry tableProps;
    try {
      tableProps = (DocumentEntry) directory.getEntry(name);
    } catch (FileNotFoundException fnfe) {
      throw new IllegalStateException(
          "Table Stream '"
              + name
              + "' wasn't found - Either the document is corrupt, or is Word95 (or earlier)");
    }

    // read in the table stream.
    _tableStream = new byte[tableProps.getSize()];
    directory.createDocumentInputStream(name).read(_tableStream);

    _fib.fillVariableFields(_mainStream, _tableStream);

    // read in the data stream.
    try {
      DocumentEntry dataProps = (DocumentEntry) directory.getEntry(STREAM_DATA);
      _dataStream = new byte[dataProps.getSize()];
      directory.createDocumentInputStream(STREAM_DATA).read(_dataStream);
    } catch (java.io.FileNotFoundException e) {
      _dataStream = new byte[0];
    }

    // Get the cp of the start of text in the main stream
    // The latest spec doc says this is always zero!
    int fcMin = 0;
    // fcMin = _fib.getFcMin()

    // Start to load up our standard structures.
    _dop = new DocumentProperties(_tableStream, _fib.getFcDop(), _fib.getLcbDop());
    _cft = new ComplexFileTable(_mainStream, _tableStream, _fib.getFcClx(), fcMin);
    TextPieceTable _tpt = _cft.getTextPieceTable();

    // Now load the rest of the properties, which need to be adjusted
    //  for where text really begin
    _cbt =
        new CHPBinTable(
            _mainStream, _tableStream, _fib.getFcPlcfbteChpx(), _fib.getLcbPlcfbteChpx(), _tpt);
    _pbt =
        new PAPBinTable(
            _mainStream,
            _tableStream,
            _dataStream,
            _fib.getFcPlcfbtePapx(),
            _fib.getLcbPlcfbtePapx(),
            _tpt);

    _text = _tpt.getText();

    /*
     * in this mode we preserving PAPX/CHPX structure from file, so text may
     * miss from output, and text order may be corrupted
     */
    boolean preserveBinTables = false;
    try {
      preserveBinTables = Boolean.parseBoolean(System.getProperty(PROPERTY_PRESERVE_BIN_TABLES));
    } catch (Exception exc) {
      // ignore;
    }

    if (!preserveBinTables) {
      _cbt.rebuild(_cft);
      _pbt.rebuild(_text, _cft);
    }

    /*
     * Property to disable text rebuilding. In this mode changing the text
     * will lead to unpredictable behavior
     */
    boolean preserveTextTable = false;
    try {
      preserveTextTable = Boolean.parseBoolean(System.getProperty(PROPERTY_PRESERVE_TEXT_TABLE));
    } catch (Exception exc) {
      // ignore;
    }
    if (!preserveTextTable) {
      _cft = new ComplexFileTable();
      _tpt = _cft.getTextPieceTable();
      final TextPiece textPiece = new SinglentonTextPiece(_text);
      _tpt.add(textPiece);
      _text = textPiece.getStringBuilder();
    }

    // Read FSPA and Escher information
    // _fspa = new FSPATable(_tableStream, _fib.getFcPlcspaMom(),
    // _fib.getLcbPlcspaMom(), getTextTable().getTextPieces());
    _fspaHeaders = new FSPATable(_tableStream, _fib, FSPADocumentPart.HEADER);
    _fspaMain = new FSPATable(_tableStream, _fib, FSPADocumentPart.MAIN);

    if (_fib.getFcDggInfo() != 0) {
      _escherRecordHolder =
          new EscherRecordHolder(_tableStream, _fib.getFcDggInfo(), _fib.getLcbDggInfo());
    } else {
      _escherRecordHolder = new EscherRecordHolder();
    }

    // read in the pictures stream
    _pictures = new PicturesTable(this, _dataStream, _mainStream, _fspaMain, _escherRecordHolder);
    // And the art shapes stream
    _officeArts = new ShapesTable(_tableStream, _fib);

    // And escher pictures
    _officeDrawingsHeaders = new OfficeDrawingsImpl(_fspaHeaders, _escherRecordHolder, _mainStream);
    _officeDrawingsMain = new OfficeDrawingsImpl(_fspaMain, _escherRecordHolder, _mainStream);

    _st =
        new SectionTable(
            _mainStream,
            _tableStream,
            _fib.getFcPlcfsed(),
            _fib.getLcbPlcfsed(),
            fcMin,
            _tpt,
            _fib.getSubdocumentTextStreamLength(SubdocumentType.MAIN));
    _ss = new StyleSheet(_tableStream, _fib.getFcStshf());
    _ft = new FontTable(_tableStream, _fib.getFcSttbfffn(), _fib.getLcbSttbfffn());

    int listOffset = _fib.getFcPlcfLst();
    int lfoOffset = _fib.getFcPlfLfo();
    if (listOffset != 0 && _fib.getLcbPlcfLst() != 0) {
      _lt = new ListTables(_tableStream, _fib.getFcPlcfLst(), _fib.getFcPlfLfo());
    }

    int sbtOffset = _fib.getFcSttbSavedBy();
    int sbtLength = _fib.getLcbSttbSavedBy();
    if (sbtOffset != 0 && sbtLength != 0) {
      _sbt = new SavedByTable(_tableStream, sbtOffset, sbtLength);
    }

    int rmarkOffset = _fib.getFcSttbfRMark();
    int rmarkLength = _fib.getLcbSttbfRMark();
    if (rmarkOffset != 0 && rmarkLength != 0) {
      _rmat = new RevisionMarkAuthorTable(_tableStream, rmarkOffset, rmarkLength);
    }

    _bookmarksTables = new BookmarksTables(_tableStream, _fib);
    _bookmarks = new BookmarksImpl(_bookmarksTables);

    _endnotesTables = new NotesTables(NoteType.ENDNOTE, _tableStream, _fib);
    _endnotes = new NotesImpl(_endnotesTables);
    _footnotesTables = new NotesTables(NoteType.FOOTNOTE, _tableStream, _fib);
    _footnotes = new NotesImpl(_footnotesTables);

    _fieldsTables = new FieldsTables(_tableStream, _fib);
    _fields = new FieldsImpl(_fieldsTables);
  }