private void loadDescriptor()

in baremaps-core/src/main/java/org/apache/baremaps/storage/shapefile/internal/DbaseByteReader.java [232:285]
35 lines of code
6 McCabe index (conditional complexity)

  private void loadDescriptor() throws IOException {
    try {
      this.dbaseVersion = getByteBuffer().get();
      getByteBuffer().get(this.dbaseLastUpdate);

      getByteBuffer().order(ByteOrder.LITTLE_ENDIAN);
      this.rowCount = getByteBuffer().getInt();
      this.firstRecordPosition = getByteBuffer().getShort();
      this.recordLength = getByteBuffer().getShort();
      getByteBuffer().order(ByteOrder.BIG_ENDIAN);

      getByteBuffer().get(this.reservedFiller1);
      this.reservedIncompleteTransaction = getByteBuffer().get();
      this.reservedEncryptionFlag = getByteBuffer().get();
      getByteBuffer().get(this.reservedFreeRecordThread);
      getByteBuffer().get(this.reservedMultiUser);
      this.reservedMDXFlag = getByteBuffer().get();

      // Translate code page value to a known charset.
      this.codePage = getByteBuffer().get();

      if (this.charset == null) {
        try {
          this.charset = toCharset(this.codePage);
        } catch (UnsupportedCharsetException e) {
          // Warn the caller that he will have to perform is own conversions.
        }
      }

      getByteBuffer().get(this.reservedFiller2);

      while (getByteBuffer().position() < this.firstRecordPosition - 1) {
        DBaseFieldDescriptor fd = new DBaseFieldDescriptor(getByteBuffer());
        this.fieldsDescriptors.add(fd);
        // loop until you hit the 0Dh field terminator
      }

      this.descriptorTerminator = getByteBuffer().get();

      // If the last character read after the field descriptor isn't 0x0D, the expected mark has not
      // been found and the DBF is corrupted.
      if (this.descriptorTerminator != 0x0D) {
        throw new DbaseException("File descriptor problem");
      }
    } catch (BufferUnderflowException e) {
      // This exception doesn't denote a trouble of file opening because the file has been checked
      // before
      // the calling of this private function.
      // Therefore, an internal structure problem cause maybe a premature End of file or anything
      // else, but the only thing
      // we can conclude is : we are not before a device trouble, but a file format trouble.
      throw new DbaseException("File descriptor problem");
    }
  }