Package ch.epfl.cs107.play.io

Enum Class DefaultFileSystem

java.lang.Object

java.lang.Enum<DefaultFileSystem>

ch.epfl.cs107.play.io.DefaultFileSystem

All Implemented Interfaces:

FileSystem, Serializable, Comparable<DefaultFileSystem>, Constable

public enum DefaultFileSystem
extends Enum<DefaultFileSystem>
implements FileSystem

Empty implementation of file system.

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Enum

Enum.EnumDesc<E extends Enum<E>>

Enum Constant Summary

Enum Constants

Enum Constant	Description
INSTANCE

Method Summary

Modifier and Type	Method	Description
InputStream	read(String name)	Open an existing file for read.
static DefaultFileSystem	valueOf(String name)	Returns the enum constant of this class with the specified name.
static DefaultFileSystem[]	values()	Returns an array containing the constants of this enum class, in the order they are declared.
OutputStream	write(String name)	Open file for write, previous content overwritten if any.

Methods inherited from class java.lang.Enum

clone, compareTo, describeConstable, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

INSTANCE

public static final DefaultFileSystem INSTANCE

Method Details

values

public static DefaultFileSystem[] values()

Returns an array containing the constants of this enum class, in the order they are declared.

Returns:

an array containing the constants of this enum class, in the order they are declared

valueOf

public static DefaultFileSystem valueOf(String name)

Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum class has no constant with the specified name

NullPointerException - if the argument is null

read

public InputStream read(String name)
                 throws IOException

Description copied from interface: FileSystem

Open an existing file for read.

Specified by:

read in interface FileSystem

Parameters:

name - (String): unique identifier, not null

Returns:

(InputStream): content stream, not null

Throws:

IOException - if file cannot be open for read

write

public OutputStream write(String name)
                   throws IOException

Description copied from interface: FileSystem

Open file for write, previous content overwritten if any.

Specified by:

write in interface FileSystem

Parameters:

name - (String): unique identifier, not null

Returns:

(InputStream): content stream, not null

Throws:

IOException - if file cannot be open for write