def unzip_file (file_path, destination_path)
            begin
                    Zip::ZipFile.open(file_path) { |zip_file|
                                                    zip_file.each { |f|
                                                            f_path=File.join(destination_path, f.name)

                                                            FileUtils.mkdir_p(File.dirname(f_path))

                                                            zip_file.extract(f, f_path) unless File.exist?(f_path)
                                                    }
                                             }
            rescue => e
                    $LOG.error "Error occurred in Utils.unzip_file - #{e}"
            end
       end