GZIP Example

Example.java

/**
 * Parse a CIBER file.
 * @param file the compressed or uncompressed CIBER file
 */
public void parseFile(File file) {
  // Clear the record list.
  clearTransaction();
  // Set the current file name.
  currentFileName = file.getName();
  try {
    BufferedInputStream stream;
    // Get the counters ready for the new file.
    counters.newFile(file);
    // If the file ends with ".gz" it should be decompressed.
    if (file.getName().endsWith(".gz")) {
      LogMF.debug(logger, "detected gziped file.", null);
      if (validator.isFileValid(new BufferedInputStream(new GZIPInputStream(new FileInputStream(file))))) {
        stream = new BufferedInputStream(new GZIPInputStream(new FileInputStream(file)));
        //Parse the file stream.
        parseStream(stream);
      }
      else {
        LogMF.error(logger, "Invalid file: {0}", new Object[]{ currentFileName });
      }
    }
    // If not, we should act like it's a regular file.
    else {
      LogMF.debug(logger, "detected regular file.", null);
      if (validator.isFileValid(new BufferedInputStream(new FileInputStream(file)))) {
        stream = new BufferedInputStream(new FileInputStream(file));
        //Parse the file stream.
        parseStream(stream);
      }
      else {
        LogMF.error(logger, "Invalid file: {0}", new Object[]{ currentFileName });
      } 
    }
    // Save our counter results.
    counters.saveFileCounters();
  }
  catch (FileNotFoundException e) {
    LogMF.error(logger, "Could not locate file: {0}", new Object[]{ file });
  }
  catch (IOException e) {
    LogMF.error(logger, "Error loading file: {0}", new Object[]{ file });
  }
}