public bool ImportCSV(string pathToCSVFile, Employee[] employees)
{
StreamReader streamReader = null;
try
{
// Declare a string to represent a line we read
string line;
// Create a new instance of the StreamReader class
streamReader = new StreamReader(pathToCSVFile);
// Create a counter to know what index to place the new object
int counter = 0;
while((line = streamReader.ReadLine()) != null)
{
processLine(line, employees, counter++);
}
return true;
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
Console.WriteLine(e.StackTrace);
}
finally
{
// If an instance of the streamreader was made, we want to close it.
if(streamReader != null)
{
streamReader.Close();
}
}
return false;
}
static void Main(string[] args)
{
// creating some examples of employees
Employee employee1 = new Employee("paul", "bath", 452.01m);
Employee employee2 = new Employee("mike", "jones", 281.330m);
//for use in the changeAn__ parts
//creast a simple in that will be se foor the value Vs. reference
int mynumber = 5;
//Write the value of the int before the method,
// call the method,
// print after call
Console.WriteLine(mynumber);
changeAnInt(mynumber);
Console.WriteLine(mynumber);
//Write the value of the employee before the method,
// call the method,
// print after call
// not used anymore? Console.WriteLine( employee.GetFullName());
Console.WriteLine(employee1.ToString());
changeAnObject(employee1);
Console.WriteLine(employee1.ToString());
//Showing how to use an arrary with objects
Employee[] employees = new Employee[10];
//Instantiate some employees
employees[0] = new Employee("wellp", "wellp", 3353m);
employees[1] = new Employee("wellp", "wellp", 335m);
employees[2] = new Employee("wellp", "wellp", 3778m);
employees[3] = new Employee("wellp", "wellp", 3533m);
employees[4] = new Employee("wellp", "wellp", 3353m);
//A for each loop that will loop the through each element of the employeees array
foreach (Employee employee in employees)
{
//Chekc to make sure that the current object is not null
// we know that the firt 5 have values be cause we assigned them above
// but the last 5 are null so we better put in a check
if (employee != null)
{
//output the information of the employee
Console.WriteLine(employee.ToString());
}
}
}
private void processLine(string line, Employee[] employees, int index)
{
// Split line into parts for each comma.
string[] parts = line.Split(',');
string firstName = parts[0];
string lastName = parts[1];
decimal salary = decimal.Parse(parts[2]);
// Add a new employee to the array. Use parts parsed out.
employees[index] = new Employee(firstName, lastName, salary);
}
private void processLine(String line, Employee[] employees, Int32 index)
{
//Split the line into pars, and assign the parts to a string array
String[] parts = line.Split(',');
String firstName = parts[0];
String lastName = parts[1];
Decimal salary = decimal.Parse(parts[2]);
//Now we just need to add a new wmployee to the aray and use the parts
//we parsed out. If you had a collection class, I would hope that it has
//a method that you made called 'add' that would then do the work of
//adding a new employee to the collection.
employees[index] = new Employee(firstName, lastName, salary);
}
public bool ImportCSV(string pathToCSVFile, Employee[] employees)
{
StreamReader streamReader = null;
try
{
// declare a string to represent a line we read
string line;
// Create a new instance of the StreamReader class
streamReader = new StreamReader(pathToCSVFile);
// Create a counter to know what index to place the new object
int counter = 0;
// This line is doing a bunch of stuff. i tis reading a line from
// the file. It is assigning that info to the 'line' variable, and
// lastly it is makin gsur ethat what it just read was not null.
// If it is null, we are done reading the file and we can exit the
// loop.
while ((line = streamReader.ReadLine()) != null)
{
processLine(line, employees, counter++);
}
return true;
}
catch (Exception ex)
{
// Spit out the errros that occured.
Console.WriteLine(ex.ToString());
Console.WriteLine(ex.StackTrace);
return false;
}
finally
{
// If an instance of the streamReader was made, we want to ensure
// that we close it. The finally block is a perfect spot to put it
// since it will get called regardless of whether or not the try
// succeeded.
if (streamReader != null)
{
streamReader.Close();
}
}
}
private void processLine(string line, Employee[] employees, int index)
{
//split the line into parts, and assign the party to a string array
string[] parts = line.Split(',');
//create some local variables and assign the various parts to them
string firstName = parts[0];
string lastName = parts[1];
decimal salary = decimal.Parse(parts[2]);
//Now we need to add a new employee to the array and us the parts we
// parsed out. if you had a collection class, i would hope that it has a
// method that you made called 'add' that would then do the work of
// adding a new employee to the collection
employees[index] = new Employee(firstName, lastName, salary);
}
//this method takes in an Employee class, which is passed by reference
// and then changes a property of it.
static void ChangeAnObject(Employee employee)
{
employee.FirstName = "Thor";
}
static void Main(string[] args)
{
// create a couple instances of the Employee class
Employee employee1 = new Employee("Dave", "Barnes", 537.00m);
Employee employee2 = new Employee("Joe", "Somebody", 125.50m);
// create a simple int that will be used for value vs reference
int myNumber = 5;
// write the value of the int before the method, call the method, print after call.
Console.WriteLine(myNumber);
ChangeAnInt(myNumber);
Console.WriteLine(myNumber);
// write the value of the employee before the method, call the method, print after call.
Console.WriteLine(employee1.ToString());
ChangeAnObject(employee1);
Console.WriteLine(employee1.ToString());
//Console.WriteLine(employee.GetFullName());
//Console.WriteLine(employee.ToString());
// showing how to use an array with objects
Employee[] employees = new Employee[10];
/*
// instanciate some employees into the array
employees[0] = new Employee("James", "Kirk", 453.00m);
employees[1] = new Employee("Jean-Luc", "Picard", 290.00m);
employees[2] = new Employee("Benjamin", "Sisko", 587.00m);
employees[3] = new Employee("Kathryn", "Janeway", 194.00m);
employees[4] = new Employee("Johnathan", "Archer", 394.00m);
*/
// Let's use the new CSVProcessor we made!
CSVProcessor csvProcessor = new CSVProcessor();
// Call the ImportCSV method passing the path and the employees array
// over so they can be used.
csvProcessor.ImportCSV("../data/employees.csv", employees);
//a for each loop that will loop through each element of the employees array
foreach (Employee employee in employees)
{
// check to make sure that the current object is null.
// we know that the first 5 have values because we assigned them right above
// but the last 5 are null, so we better put in a check.
if (employee != null)
{
// output the information of the employees.
Console.WriteLine(employee.ToString());
}
}
// We are creating a new UserInterface class, and it's okay
// that the UserInterface class does not have a defined
// constructor. It will have a default one provided to us that
// we can take advantage of by just not passing in any parameters.
UserInterface ui = new UserInterface();
// This is not a valid statement. Because we are trying to make
// an instance of a static class, it won't work.
//StaticUserInterface stui = new StaticUserInterface();
// Call the GetUserInput method of the UI class. It will return
// a valid integer that represents the choice they want to do.
int choice = ui.GetUserInput();
// To use a static class to execute methods we simply call the
// method on the class name (or type). Since it is not possible
// to use the 'new' keyword and make an instance, the only way
// we can access the class is through the class name, so that
// is what we do. Here we are calling the GetUserInterface method
// on the class name to get it to run.
//choice = StaticUserInterface.GetUserInput();
// While the choice is not the exit choice (which in this class is 2)
while (choice != 2)
{
// If the choice is 1, which in this case has to be, but if there
// were more menus options it might not be so obvious.
if (choice == 1)
{
// Create an empty string to concat to.
string allOutPut = "";
//For each employee in the employees array.
foreach(Employee employee in employees)
{
// So long as the spot in the array is not null
if (employee != null)
{
// Concat the employee changed to a string plus a new line
// to the allOutput string.
allOutPut += employee.ToString() + Environment.NewLine;
}
}
// Now that the large string containing what I would like to output
// is created, I can output it to the screen using the
// PrintAllOutput method of the UI class.
ui.PrintAllOutput(allOutPut);
}
// Now that the "Work" that we wanted to do is done,
// we need to reprompt the user for some input
choice = ui.GetUserInput();
}
}
static void Main(string[] args)
{
Employee employee0 = new Employee("Chad", "Cunningham", 600.00m);
Employee employee1 = new Employee("Joe", "Somebody", 5.00m);
int myNumber = 5;
Console.WriteLine(myNumber);
ChangeAnInt(myNumber);
Console.WriteLine(myNumber);
Console.WriteLine(employee0.ToString());
ChangeAnObject(employee0);
Console.WriteLine(employee0.ToString());
//Console.WriteLine(employee0.GetFullName());
//Console.WriteLine(employee0.ToString());
// >Array of objects.
Employee[] employeeArray = new Employee[10];
// >Instanciate some employees into the array.
employeeArray[0] = new Employee("Darren", "Froberg", 765.00m);
employeeArray[1] = new Employee("Stan", "Marsh", 532.00m);
employeeArray[2] = new Employee("Kyle", "Broflowskie", 223.00m);
employeeArray[3] = new Employee("Eric", "Cartman", 142.00m);
employeeArray[4] = new Employee("Kenny", "McCormick", 2.00m);
// >Display everything in the array.
foreach (Employee employee in employeeArray)
{
if (employee != null)
{
Console.WriteLine(employee.ToString());
}
}
UserInterface ui = new UserInterface();
int choice = ui.GetUserInput();
while (choice != 2)
{
if (choice == 1)
{
string allOutput = "";
foreach (Employee employee in employeeArray)
{
if (employee != null)
{
allOutput += employee.ToString() + Environment.NewLine;
}
}
ui.PrintAllOutput(allOutput);
}
choice = ui.GetUserInput();
}
}
static void Main(string[] args)
{
//Create a couple of instances of the Employee class
Employee employee1 = new Employee("Dave", "Barnes", 537.00m);
Employee employee2 = new Employee("Joe", "Somebody", 125.50m);
//Creat simple int that will be used for value vs reference
int myNumber = 5;
//Write the value of the int before the method, call the method, print after call.
Console.WriteLine(myNumber);
changeAnInt(myNumber);
Console.WriteLine(myNumber);
//Write the value of the employee before the method, call the method, print after call.
Console.WriteLine(employee1.ToString());
changeAnObject(employee1);
Console.WriteLine(employee1.ToString());
//Console.WriteLine(employee.GetFullName());
//Console.WriteLine(employee.ToString());
//Showing how to use an array with objects
Employee[] employees = new Employee[10];
//Instanciate some employees into the array
employees[0] = new Employee("James", "Kirk", 453.00m);
employees[1] = new Employee("Jean-Luc", "Picard", 290.00m);
employees[2] = new Employee("Benjamin", "Sisko", 587.00m);
employees[3] = new Employee("Kathryn", "Janeway", 194.00m);
employees[4] = new Employee("Johnathan", "Archer", 394.00m);
//A for each loop that will loop through each element of the employees array
foreach (Employee employee in employees)
{
//Check to make sure that the current object is not null.
//we know that the first 5 have values because we assigned them right above
//but the last 5 are null, so we better put in a check.
if (employee != null)
{
//output the information of the employee
Console.WriteLine(employee.ToString());
}
}
//We are creating a new UserInterface class, and it's okay
//that the UserInterface class does not have a defined
//constructor. It will have a default one provide to us that
//we can take advantage of by just not passing in any parameters
UserInterface ui = new UserInterface();
//Call the GetUserInput method of the UI class. It will return
//a valid integer that represents the choice they want to do.
int choice = ui.GetUserInput();
//While the choice is not the exit choice (which in this case is 2)
while (choice != 2)
{
//If the choice is 1, which in this case it has to be, but if there
//were more menu options it might not be so obvious.
if (choice == 1)
{
//Create a empty string to concat to.
string allOutput = "";
//For each Employee in the employees array.
foreach (Employee employee in employees)
{
//So long as the spot in the array is not null
if (employee != null)
{
//Concat the employee changed to a string plus a new line
//to the allOutput string.
allOutput += employee.ToString() + Environment.NewLine;
}
}
//Now that the large string containing what I would like to output
//is created, I can output it to the screen using the
//PrintAllOutput method of the UI class.
ui.PrintAllOutput(allOutput);
}
//Now that the "Work" that we wanted to do is done,
//We need to re-prompt the user for some input
choice = ui.GetUserInput();
}
}
// this method takes in an employee class, which is passed by reference
// and then changes a property of it
static void changeAnObject(Employee employee)
{
employee.FirstName = "Olivia";
}
static void Main(string[] args)
{
Employee employee1 = new Employee("Alysia", "Zimmerman", 435.00m);
Employee employee2 = new Employee("Jesse", "Smith", 120.00m);
int myNumber = 5;
//Write the Value of the int before the method, call the method, print after call/
Console.WriteLine(myNumber);
changeAnInt(myNumber);
Console.WriteLine(myNumber);
Console.WriteLine(employee1);
changeAnObject(employee1);
Console.WriteLine(employee1.ToString());
// Console.WriteLine(employee.GetFullName());
// Console.WriteLine(employee.ToString());
//Showing how to use an array with objects
Employee[] employees = new Employee[10];
//Instanciates some employees into array
//employees[0] = new Employee("James", "Bailey", 543.00m);
//employees[1] = new Employee("Justin", "Aaron", 344.00m);
//employees[2] = new Employee("Ashley", "Nick", 546.00m);
//employees[3] = new Employee("Meagan", "Combe", 364.00m);
//employees[4] = new Employee("Rene", "Base", 583.00m);
//employees[5] = new Employee("Tyler", "Anderson", 344.00m);
//employees[6] = new Employee("Bret", "Band", 573.00m);
//employees[7] = new Employee("Kyle", "Andrew", 224.00m);
//employees[8] = new Employee("Kelsey", "Drew", 563.00m);
// employees[9] = new Employee("Morgan", "Amber", 347.00m);
//Lets use the new CSVProcessor we made
CSVProcessor csvProcessor = new CSVProcessor();
//Call the importCSV method passing the path and the employees array
// over so they can be used
csvProcessor.ImportCSV("../data/employees.csv", employees);
//For each loop that will loop through each element of the employees array
foreach (Employee employee in employees)
{
// Check to make sure that the current object is not null.
if (employee != null)
{
Console.WriteLine(employee.ToString());
}
}
//We are creating a new UserInterface class and it's okay
// that the UserInterface calss does not have a defined
// constructor. It will have a default one provide to us that
// we can take advantage of by just not passing in any parameters
UserInterface ui = new UserInterface();
// Call the GetUserInput method of the UI class. It will return
// a valid integer that represents the choice they want to do.
int choice = ui.GetUserInput();
// To use a static class to execute methods we simply call the method
// on the class name, or type, Since it is not possible to use the 'new'
// keyword and make an instance, the only way we can access the class
// is through the class name, that is what we do. Here we are calling
// the GetUserInterface method on the calss name to get it to run.
//choice = StaticUserInterface.GetUserInput();
// While the choice is not the exit choice (which in this case is 2)
while (choice != 2)
{
// If the choice is 1, which in this case has to be true
if (choice == 1)
{
//Create an empty string
string allOutput = "";
// For each Employee in the employees array.
foreach (Employee employee in employees)
{
//So long as the spot in the array is not null
if (employee != null)
{
//Concatenate the employee changed to a string plus a new line
allOutput += employee.ToString() + Environment.NewLine;
}
}
ui.PrintAllOutput(allOutput);
}
//Now that "work" that we wanted to do is done,
// we need to re-prompt the user for input
choice = ui.GetUserInput();
}
}
//Method takes Employee class passed by reference, changes property
static void changeAnObject(Employee employee)
{
employee.FirstName = "Lucifer";
}
static void Main(string[] args)
{
// Create new instances of the Employee class
Employee employee1 = new Employee("Bryan", "Greener", 99999.99m);
Employee employee2 = new Employee("Foxy", "Nigel", 13.37m);
/*
// Create simple int that wi be used for value vs reference
int myNumber = 5;
// Write value of int before method, call method, print
Console.WriteLine(myNumber);
changeAnInt(myNumber);
Console.WriteLine(myNumber);
// Change value of employee before method, call method, print
Console.WriteLine(employee.ToString());
changeAnObject(employee);
Console.WriteLine(employee.ToString());
*/
//Console.WriteLine(employee.GetFullName());
//Console.WriteLine(employee.ToString());
//Console.ReadLine();
// use array with objects
Employee[] employees = new Employee[10];
// Instanciate employees into array
//employees[0] = new Employee("James", "Cameron", 100.00m);
//employees[1] = new Employee("James", "Booooo", 101.00m);
//employees[2] = new Employee("Geordy", "Laforge", 102.00m);
//employees[3] = new Employee("Simon", "Lane", 103.00m);
//employees[4] = new Employee("Lewis", "Brindley", 104.00m);
//employees[5] = new Employee("Scrub", "Lord", 420.00m);
SR sr = new SR();
// Call the ImportCSV method passing the path and the employees array.
sr.ImportCSV("../data/employees.csv", employees);
foreach (Employee employee in employees)
{
if (employee != null)
{
Console.WriteLine(employee.ToString());
}
}
// Create new instance of UserInterface class. Uses default constructor. Therefore we don't have to pass parameters.
UserInterface ui = new UserInterface();
// The line below is not a valid statement because we are tryingto make an instance of a static class; it won't work.
//StaticUI stui = new StaticUI();
// Return valid integer. (Line 27 of UserInterface)
int choice = ui.GetUserInput();
// Below calls the static class of StaticUI and directly assigns GetUserInput to choice value
//choice = StaticUI.GetUserInput();
// While choice is not EXIT
while (choice != 2)
{
// If choice is LIST
// If there were more menu options, this wouldn't be so obvious
if (choice == 1)
{
// Create an empty string to concat to
string allOutput = "";
foreach (Employee employee in employees)
{
// If no null in spot of array
if (employee != null)
{
// Concat the employee changes to a string and drop line
allOutput += employee.ToString() + Environment.NewLine;
}
}
ui.PrintAllOutput(allOutput);
}
// Break While loop
choice = ui.GetUserInput();
}
}
static void Main(string[] args)
{
Employee employee1 = new Employee("Joshua", "Sziede", 123.45m);
Employee employee2 = new Employee("First", "Last", 321.00m);
int myNumber = 5;
Console.WriteLine(myNumber);
changeAnInt(myNumber);
Console.WriteLine(myNumber);
Console.WriteLine(employee1.ToString());
changeAnObject(employee1);
Console.WriteLine(employee1.ToString());
//Console.WriteLine(employee.GetFullName());
//Console.WriteLine(employee.ToString());
//showing how to use an array with objects
Employee[] employees = new Employee[10];
//instanciate some employees into the array
employees[0] = new Employee("James", "Kirk", 453.00m);
employees[1] = new Employee("Jean-Luc", "Picard", 290.00m);
employees[2] = new Employee("Benjamin", "Sisko", 587.00m);
employees[3] = new Employee("Kathryn", "Janeway", 194.00m);
employees[4] = new Employee("Johnathan", "Archer", 394.00m);
foreach (Employee employee in employees)
{
if (employee != null)
{
Console.WriteLine(employee.ToString());
}
}
//we are creating a new userinterface class, and it is ok
//that the userinterface class does not have a defined constructor
UserInterface ui = new UserInterface();
//call the getuserrinput method of the ui class
//it will return a valid integer that represents the choice they want to do
int choice = ui.GetUserInput();
///userinterface
//while the user's choice is not the exit option from the menu
while(choice != 2)
{
//only other option besides two is one, but just in case there were more options added
if (choice == 1)
{
//create an empty string to concat to
string allOutput = ""; // -|
// |
//for each employee in the employees array // |
foreach (Employee employee in employees) // |
{ // |
//so long as the spot in the array is not null // |
if (employee != null) // |
{ // |
allOutput += employee.ToString() + Environment.NewLine; // <-
}
}
ui.PrintAllOuput(allOutput);
}
//not that the work that we wanted to do is done,
//we need to reprompt the user
choice = ui.GetUserInput();
}
}
//Method thake in an Employee class, which is passed by reference
//and the changes a property of it.
static void ChangeAnObject(Employee employee)
{
employee.FristName = "Jason";
}
