private DictionaryFile resolveRelativeFilePath()

in DictionaryAnnotator/src/main/java/org/apache/uima/annotator/dict_annot/impl/DictionaryAnnotator.java [382:436]
43 lines of code
10 McCabe index (conditional complexity)

  private DictionaryFile resolveRelativeFilePath(String fileName, ArrayList<File> datapathElements)
          throws DictionaryAnnotatorConfigException {

    DictionaryFile dictionaryFile;
    URL url = null;

    // check first if the current fileName is an URL
    if (fileName.startsWith("http")) {
      // try to open http connection to get the stream
      try {
        // create URL object
        url = new URL(fileName);
        // create URL connection
        URLConnection connection = url.openConnection();
        // get stream from URL connection
        dictionaryFile = new DictionaryFile(url.toString(), new BufferedInputStream(connection
                .getInputStream()));
        return dictionaryFile;
      } catch (MalformedURLException ex) {
        throw new DictionaryAnnotatorConfigException("dictionary_annotator_invalid_url_resource",
                new Object[] { fileName }, ex);
      } catch (IOException ex) {
        throw new DictionaryAnnotatorConfigException("dictionary_annotator_invalid_url_resource",
                new Object[] { fileName }, ex);
      }
    }
    // try to use the class loader to load the file resource
    else if ((url = this.getClass().getClassLoader().getResource(fileName)) != null) {
      // we have successfully resolved the concept file, now also get it as
      // stream
      InputStream stream = this.getClass().getClassLoader().getResourceAsStream(fileName);
      dictionaryFile = new DictionaryFile(url.getFile(), new BufferedInputStream(stream));
      return dictionaryFile;
    } else {
      if (datapathElements == null || datapathElements.size() == 0) {
        return null;
      }
      // try to use the datapath to load the file resource
      for (int i = 0; i < datapathElements.size(); i++) {
        File testFile = new File(datapathElements.get(i), fileName);
        if (testFile.exists()) {
          InputStream stream;
          try {
            stream = new BufferedInputStream(new FileInputStream(testFile));
          } catch (FileNotFoundException ex) {
            return null;
          }
          dictionaryFile = new DictionaryFile(testFile.getAbsolutePath(), stream);
          return dictionaryFile;
        }
      }
    }
    return null;

  }