Examples of org.apache.poi.hslf.record.CurrentUserAtom

org.apache.poi.hslf.record.CurrentUserAtom
This is a special kind of Atom, becauase it doesn't live inside the PowerPoint document. Instead, it lives in a seperate stream in the document. As such, it has to be treaded specially @author Nick Burch

  /**
   * Find the "Current User" stream, and load it
   */
  private void readCurrentUserStream() {
    try {
      currentUser = new CurrentUserAtom(directory);
    } catch(IOException ie) {
      logger.log(POILogger.ERROR, "Error finding Current User Atom:\n" + ie);
      currentUser = new CurrentUserAtom();
    }
  }

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   */
  public static DocumentEncryptionAtom fetchDocumentEncryptionAtom(HSLFSlideShow hss) {
    // Will be the last Record pointed to by the
    //  first PersistPrtHolder, if there is one


    CurrentUserAtom cua = hss.getCurrentUserAtom();
    if(cua.getCurrentEditOffset() != 0) {
      // Check it's not past the end of the file
      if(cua.getCurrentEditOffset() > hss.getUnderlyingBytes().length) {
        throw new CorruptPowerPointFileException("The CurrentUserAtom claims that the offset of last edit details are past the end of the file");
      }


      // Grab the details of the UserEditAtom there
      // If the record's messed up, we could AIOOB
      Record r = null;
      try {
        r = Record.buildRecordAtOffset(
            hss.getUnderlyingBytes(),
            (int)cua.getCurrentEditOffset()
        );
      } catch (ArrayIndexOutOfBoundsException e) {
        return null;
      }
      if(r == null) { return null; }

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   */
  public static DocumentEncryptionAtom fetchDocumentEncryptionAtom(HSLFSlideShow hss) {
    // Will be the last Record pointed to by the
    //  first PersistPrtHolder, if there is one


    CurrentUserAtom cua = hss.getCurrentUserAtom();
    if(cua.getCurrentEditOffset() != 0) {
      // Check it's not past the end of the file
      if(cua.getCurrentEditOffset() > hss.getUnderlyingBytes().length) {
        throw new CorruptPowerPointFileException("The CurrentUserAtom claims that the offset of last edit details are past the end of the file");
      }


      // Grab the details of the UserEditAtom there
      // If the record's messed up, we could AIOOB
      Record r = null;
      try {
        r = Record.buildRecordAtOffset(
            hss.getUnderlyingBytes(),
            (int)cua.getCurrentEditOffset()
        );
      } catch (ArrayIndexOutOfBoundsException e) {
        return null;
      }
      if(r == null) { return null; }

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Related Classes of org.apache.poi.hslf.record.CurrentUserAtom

org.apache.poi.hslf.EncryptedSlideShow

org.apache.poi.hslf.HSLFSlideShow

org.apache.poi.hslf.exceptions.OldPowerPointFormatException

org.apache.poi.hslf.exceptions.EncryptedPowerPointFileException

org.apache.poi.hslf.exceptions.CorruptPowerPointFileException

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