Package ch.heigvd.dai.commands

Class Hide

java.lang.Object

ch.heigvd.dai.commands.Hide

All Implemented Interfaces:

Callable<Integer>

public class Hide
extends Object
implements Callable<Integer>

Implements the hide subcommand for executing the program on a CLI.

This class defines the parameters and options that are only specific for this subcommand. For checking the usage of the subcommand, use the --help option.

Author:

Pedro Alves da Silva, Gonçalo Carvalheiro Heleno

Field Summary

Fields

Modifier and Type	Field	Description
private int	bitsPerByte
private String	filenameOutput
private Root	parent

Constructor Summary

Constructors

Constructor	Description
Hide()

Method Summary

Modifier and Type	Method	Description
Integer	call()	Call function that contains the logic of the subcommand.
private boolean	isPowerOfTwo(int n)

Methods inherited from class java.lang.Object

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

Field Details

parent

private Root parent

filenameOutput

private String filenameOutput

bitsPerByte

private int bitsPerByte

Constructor Details

Hide

public Hide()

Method Details

call

public Integer call()

Call function that contains the logic of the subcommand.

This function performs the multiple input validation checks and outputs an exit code accordingly. An error message is displayed to explain why the command failed.

Specified by:

call in interface Callable<Integer>

Returns:

exit code 1 if there was an error, 0 otherwise

isPowerOfTwo

private boolean isPowerOfTwo(int n)