public String getContent(final LocationInfo locationInfo) {
    try {
      return locationSourceCache.get(locationInfo, () -> {
        HttpMethod httpMethod = buildMethod(getUrl(), locationInfo, HttpOperation.GET_SOURCE);
        return executeAndGetContent(httpMethod);
      });
    } catch (ExecutionException e) {
      return "";
    }
  }
This class is the interface with the JumpToCode plugin for IntellijJ IDEA
olv-core/src/main/java/pl/otros/logview/gui/services/jumptocode/JumpToCodeClient.java