public static List<Employee> LoadEntries()
{
List<Employee> list = null;
try {
using (FileStream fileStream = new FileStream(inputFile, FileMode.Open, FileAccess.Read)) {
using (StreamReader reader = new StreamReader(fileStream)) {
//Populate List from lines in file
list = new List<Employee>();
while (reader.Peek() != -1) {
Employee employee = new Employee();
for (int i = 0; i <= 3; i++) {
string line;
if (reader.Peek() != -1) {
line = reader.ReadLine();
} else {
break;
}
switch (i) {
case 0:
employee.firstName = line;
break;
case 1:
employee.lastName = line;
break;
case 2:
employee.employeeID = Convert.ToInt32(line.Substring(2));
break;
case 3:
employee.department = line;
break;
}
}
list.Add(employee);
if (reader.Peek() != -1) {
reader.ReadLine();
}
}
}
}
} catch (FileNotFoundException) {
MessageBox.Show("File not found: " + inputFile, "File Error");
} catch (DirectoryNotFoundException) {
MessageBox.Show("Directory not found: " + inputDir, "Directory Error");
} catch (IOException ex) {
MessageBox.Show(ex.GetType() + ": " + ex.Message, "IOException");
}
return list;
}
public void AddToEnd(Employee data)
{
if (next == null) {
next = new Node(data);
next.previous = this;
} else {
next.AddToEnd(data);
}
}
public void AddSortedByID(Employee data)
{
if (next == null) {
next = new Node(data);
} else if (data.employeeID < next.data.employeeID) {
Node temp = new Node(data);
temp.next = this.next;
temp.previous = this;
this.next.previous = temp;
this.next = temp;
} else {
next.AddSortedByID(data);
}
}
public Node(Employee data)
{
this.data = data;
this.next = null;
this.previous = null;
}