Package no.ntnu.idatt1002.demo.data.economics

Class FileHandling

java.lang.Object

no.ntnu.idatt1002.demo.data.economics.FileHandling

public class FileHandling
extends Object

FileHandling is a class for writing and reading ItemRegister-objects to and from a file.

Author:

andreas

Constructor Summary

Constructors

Constructor	Description
FileHandling()

Method Summary

Modifier and Type	Method	Description
static boolean	isEmpty(String fileDestination)	Method for checking if a .register file is empty.
static ExpenseRegister	readExpenseRegisterFromFile(String fileDestination)	Method for reading (getting) an ExpenseRegister from a file.
static IncomeRegister	readIncomeRegisterFromFile(String fileDestination)	Method for reading (getting) an IncomeRegister from a file.
static <T extends Item> void	writeItemRegisterToFile(ItemRegister<T> itemRegister, String fileDestination)	Method for writing (adding) an ItemRegister to a file.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

FileHandling

public FileHandling()

Method Details

writeItemRegisterToFile

public static <T extends Item> void writeItemRegisterToFile(ItemRegister<T> itemRegister,
 String fileDestination)
                                                     throws IOException

Method for writing (adding) an ItemRegister to a file.

Type Parameters:

T - Subclass of item, either expense or income.

Parameters:

itemRegister - the ItemRegister you want to write to a file.

fileDestination - the path and name of the file you want to check

Throws:

IOException - if an input or output exception occurred.

isEmpty

public static boolean isEmpty(String fileDestination)
                       throws IOException

Method for checking if a .register file is empty.

Parameters:

fileDestination - the path and name of the file you want to check

Returns:

true or false depending on if file is empty.

Throws:

IOException - if an input or output exception occurred.

readIncomeRegisterFromFile

public static IncomeRegister readIncomeRegisterFromFile(String fileDestination)
                                                 throws IOException

Method for reading (getting) an IncomeRegister from a file.

Parameters:

fileDestination - the name of the file you want to read from.

Returns:

the IncomeRegister from the file.

Throws:

IOException - if an input or output exception occurred.

readExpenseRegisterFromFile

public static ExpenseRegister readExpenseRegisterFromFile(String fileDestination)
                                                   throws IOException

Method for reading (getting) an ExpenseRegister from a file.

Parameters:

fileDestination - the name of the file you want to read from.

Returns:

the ExpenseRegister from the file.

Throws:

IOException - if an input or output exception occurred