/// <summary>
/// Creates a new list of students from text file
/// </summary>
/// <param name="file">Name and path of the file with students data</param>
/// <returns>StudentsList</returns>
static public StudentsList StudentsListFactory(StreamReader file)
{
string line;
StudentsList studentsList = new StudentsList();
line = file.ReadLine();
if (!line.Contains("Name") || !line.Contains("Surname"))
{
throw new ArgumentOutOfRangeException("No Valid headers found in input file. Valid headers (\"Name,Surname,Age,Tuition,Height,Date,Phone\")");
}
string[] headers = line.Split(',');
// Read From File And Create Student Object Then Add The Object To List
while ((line = file.ReadLine()) != null)
{
string[] fields = line.Split(',');
Student student = CreateStudent(headers, fields);
studentsList.Add(student);
}
return(studentsList);
}
static void PrintStudents(StudentsList students, string compareField)
{
Console.WriteLine("Sort by " + compareField);
foreach (Student student in students)
{
Console.WriteLine(student);
}
}
/// <summary>
/// Creates a new list of students from xml string
/// </summary>
/// <param name="xmlStudents">xml with students data</param>
/// <returns>StudentList</returns>
static public StudentsList StudentsListFactory(string xmlStudents)
{
XmlSerializer serializer = new XmlSerializer(typeof(StudentsList), new XmlRootAttribute("StudentsList"));
using (TextReader reader = new StringReader(xmlStudents))
{
StudentsList students = (StudentsList)serializer.Deserialize(reader);
return(students);
}
}
static void Main(string[] args)
{
try
{
StudentsList students = StudentsList.StudentsListFactory(new StreamReader(@"Y:\Coding\Bootcamp\StudentsFromFile\test.txt"));
// StudentsList students = StudentsList.StudentsListFactory(@"<StudentsList>
// <Student>
// <Name>George</Name>
// <Surname>Xiros</Surname>
// <Age>42</Age>
// <Height>184</Height>
// <Tuition>2200</Tuition>
// <Phone>6976900103</Phone>
// </Student>
// <Student>
// <Name>Nikos</Name>
// <Surname>Diakos</Surname>
// <Age>32</Age>
// <Height>170</Height>
// <Tuition>2500</Tuition>
// <Phone>6879595888</Phone>
// </Student>
// </StudentsList>");
PrintStudentsSortedBy(students, "Surname", StudentsList.ShortByName);
PrintStudentsSortedBy(students, "Age", StudentsList.ShortByAge);
PrintStudentsSortedBy(students, "Phone", StudentsList.ShortByPhone);
}
catch (ArgumentOutOfRangeException e) { Console.WriteLine(e.Message); }
catch (DirectoryNotFoundException e) { Console.WriteLine(e.Message); }
catch (FileNotFoundException e) { Console.WriteLine(e.Message); }
catch (FieldAccessException e) { Console.WriteLine(e.Message); }
catch (Exception e) { Console.WriteLine(e.Message); }
Console.ReadKey();
}
static void PrintStudentsSortedBy(StudentsList students, string compareField, Comparison <Student> comparison)
{
students.Sort(comparison); PrintStudents(students, compareField);
}
