public byte[] byteData() {
    try {
      final InputStream stream = myFile.getInputStream();
      if (stream == null) {
        return new byte[0];
      }

      stream.skip(myOffset);
      byte[] targetBuffer = new byte[65535];
      final int size = DocDecompressor.decompress(stream, targetBuffer, myCompressedSize);
      if (size > 0 && size != 65535) {
        byte[] buffer = new byte[size];
        System.arraycopy(targetBuffer, 0, buffer, 0, size);
        return buffer;
      }
      return targetBuffer;
    } catch (IOException e) {
    }

    return new byte[0];
  }
Пример #2
0
  private void readRecord(int recordSize) throws IOException {
    int uid = PdbUtil.readShort(myStream);
    if (uid == 1) {
      myCompressionVersion = (short) PdbUtil.readShort(myStream);
    } else {
      int paragraphs = PdbUtil.readShort(myStream);

      int size = PdbUtil.readShort(myStream);
      // TODO ??????
      int type = myStream.read();

      int flags = myStream.read();

      switch (type) {
        case 0: // text (TODO: found sample file and test this code)
        case 1: // compressed text
          {
            ArrayList /*<Integer>*/ pars = new ArrayList();
            for (int i = 0; i < paragraphs; ++i) {
              int pSize = PdbUtil.readShort(myStream);
              pars.add(pSize);
              myStream.skip(2);
            }

            boolean doProcess = false;
            if (type == 0) { // ?
              byte[] buf = new byte[size];
              doProcess = myStream.read(buf, 0, (int) size) == size;
              if (doProcess) {
                // TODO: use encoding!!!!
                // TODO: don't create any new objects!!!!
                myCharBuffer = new String(buf).toCharArray();
              }
            } else if (myCompressionVersion == 1) {
              byte[] buf = new byte[size];
              doProcess =
                  DocDecompressor.decompress(myStream, buf, recordSize - 8 - 4 * paragraphs)
                      == size;
              if (doProcess) {
                myCharBuffer = new String(buf).toCharArray();
              }
            } else if (myCompressionVersion == 2) {
              byte input[] = new byte[(int) (recordSize - 10 - 4 * paragraphs)];
              final int inputSize = myStream.read(input);
              Inflater decompressor = new Inflater();
              decompressor.setInput(input, 0, inputSize);
              byte output[] = new byte[size];
              try {
                doProcess = decompressor.inflate(output) == size;
                decompressor.end();
                myCharBuffer = new String(output, 0, size).toCharArray();
              } catch (DataFormatException e) {
                // TODO Auto-generated catch block
                //	e.printStackTrace();
                System.out.println(e.getMessage());
              }
              // doProcess =
              // ZLZDecompressor(recordSize - 10 - 4 * paragraphs).
              // decompress(myStream, myCharBuffer, size) == size;
            }
            if (doProcess) {
              addHyperlinkLabel(fromNumber(uid));
              myParagraphMap.put(uid, new ArrayList());
              myParagraphVector = (ArrayList) myParagraphMap.get(uid);
              processTextRecord(size, pars);
              if ((flags & 0x1) == 0) {
                //							insertEndOfTextParagraph();
                // setNewTextModel();
              }
            }
            break;
          }
        case 2: // image
        case 3: // compressed image
          {
            final String mime = "image/palm";
            ZLImage image = null;
            if (type == 2) {
              System.out.println("non-compressed image");
              image = new PluckerFileImage(mime, myFile, myStream.offset(), recordSize - 8);
            } else if (myCompressionVersion == 1) {
              System.out.println("DocCompressedImage");
              image = new DocCompressedFileImage(mime, myFile, myStream.offset(), recordSize - 8);
            } else if (myCompressionVersion == 2) {
              System.out.println("ZCompressedImage");
              image =
                  new ZCompressedFileImage(mime, myFile, myStream.offset() + 2, recordSize - 10);
            }
            if (image != null) {
              addImage(fromNumber(uid), image);
            }
            break;
          }
        case 9: // category record is ignored
          break;
        case 10:
          short typeCode = (short) PdbUtil.readShort(myStream);
          break;
        case 11: // style sheet record is ignored
          break;
        case 12: // font page record is ignored
          break;
        case 13: // TODO: process tables
        case 14: // TODO: process tables
          break;
        case 15: // multiimage
          {
            short columns = (short) PdbUtil.readShort(myStream);
            short rows = (short) PdbUtil.readShort(myStream);
            System.out.println("multiimage");
            /*PluckerMultiImage image = new PluckerMultiImage(rows, columns, Model.getImageMap());
            for (int i = 0; i < size / 2 - 2; ++i) {
            	short us = (short)myStream.read();
            	PdbUtil.readShort(myStream, us);
            	image.addId(fromNumber(us));
            }
            addImage(fromNumber(uid), image);
            */ break;
          }
        default:
          // std::cerr << "type = " << (int)type << "\n";
          break;
      }
    }
  }