AppHarbor.ApplicationConfiguration.GetApplicationId C# (CSharp) Method

        public string GetApplicationId()
        {
            try
            {
                using (var stream = _fileSystem.OpenRead(ConfigurationFile.FullName))
                {
                    using (var reader = new StreamReader(stream))
                    {
                        return reader.ReadToEnd();
                    }
                }
            }
            catch (FileNotFoundException)
            {
            }

            try
            {
                return _repositoryConfigurer.GetApplicationId();
            }
            catch (RepositoryConfigurationException)
            {
            }

            throw new ApplicationConfigurationException("Application is not configured in this directory. Configure it by creating (\"create\") an application or by linking (\"link\") an existing application.");
        }