public void setDataPrinter(IDataPrinter printer)
{
if (printer != null)
{
this.printer = printer;
}
}
public DataService(DataRepository data)
{
this.data = data;
printer = new SimpleCollectionPrinter();
}
// Main
static void Main(string[] args)
{
// Try to load AppSettings.json configuration file first
var builder = new ConfigurationBuilder()
.SetBasePath(Environment.CurrentDirectory)
.AddJsonFile(_AppSettingsFileName);
// Read the AppSettings file and create a ConfigurationRoot object
var configs = builder.Build();
// Get the Employee Hierarchy filename from the AppSettings file
var employeeHierarchyFileName = configs[_AppSetting_HierarchyFileName];
// Throw exception if there was a problem
if (String.IsNullOrEmpty(employeeHierarchyFileName))
{
throw new ApplicationException($"ERROR :: Problem reading App Setting '{_AppSetting_HierarchyFileName}'!");
}
// Create filepath to Employee Hierarchy json file
var employeeHierarchyFilePath = Path.Combine(Environment.CurrentDirectory, employeeHierarchyFileName);
// Convert AppSettings parameter 'SortHierarchyOutput' to Boolean
var castSortEmployeeHierarchySuccess = bool.TryParse(configs[_AppSetting_SortHierarchyOutput], out bool sortEmployeeHierarchy);
if (castSortEmployeeHierarchySuccess == false)
{
throw new ApplicationException($"ERROR :: Problem reading App Setting '{_AppSetting_SortHierarchyOutput}'!");
}
// Use the Composition Root & Dependency Injection patterns to compose the application's functionality
// IFormatReader formatReader = new MockFormatReader();
IFormatReader formatReader = new JsonFormatReader(employeeHierarchyFilePath);
IDataReader dataReader = new DataReader(formatReader);
IDataPrinter hierarchyPrinter = null;
// If AppSettings parameter 'SortHierarchyOutput' set to True: create 'SortedHierarchyPrinter'
// otherwise, create an unsorted 'HierarchyPrinter'
if (sortEmployeeHierarchy)
{
hierarchyPrinter = new SortedHierarchyPrinter();
}
else
{
hierarchyPrinter = new HierarchyPrinter();
}
// Create the Salaray Requirement Printer
IDataPrinter salaryRequirementPrinter = new SalaryRequirementPrinter();
// Read Employee data from the data source
var rootManager = dataReader.Read();
// Get String representations for the Employee Hierarchy & Salary Requirement
var hierarchyString = hierarchyPrinter.PrintString(rootManager);
var salaryRequirementString = salaryRequirementPrinter.PrintString(rootManager);
// Print the Employee Hierarchy & Salary Requirement
Console.WriteLine(hierarchyString);
Console.WriteLine(salaryRequirementString);
// Keep the console window open
Console.WriteLine("\n\nPress 'enter' to exit...");
Console.ReadLine();
}
