org.kocakosm.pitaya.io

Class RandomReader

java.lang.Object

java.io.Reader

org.kocakosm.pitaya.io.RandomReader

All Implemented Interfaces:

Closeable, AutoCloseable, Readable

public final class RandomReader
extends Reader

Reader that (pseudo) randomly returns characters from a specified alphabet. This stream has no end of file. Closing a RandomReader has no effect. Never throws IOExceptions. Thread safe.

Author:

Osman KOCAK

Field Summary

Fields inherited from class java.io.Reader

lock

Constructor Summary

Constructors

Constructor and Description
RandomReader(char... alphabet) Creates a new RandomReader.
RandomReader(Random prng, char... alphabet) Creates a new RandomReader.

Method Summary

Modifier and Type	Method and Description
void	close()
int	read()
int	read(char[] cbuf)
int	read(char[] cbuf, int off, int len)

Methods inherited from class java.io.Reader

mark, markSupported, read, ready, reset, skip

Methods inherited from class java.lang.Object

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

Constructor Detail

RandomReader

public RandomReader(char... alphabet)

Creates a new RandomReader.

Parameters:

alphabet - the source alphabet to use.

Throws:

NullPointerException - if alphabet is null.

IllegalArgumentException - if alphabet is empty.

RandomReader

public RandomReader(Random prng,
                    char... alphabet)

Creates a new RandomReader.

Parameters:

prng - the source of randomness to use.

alphabet - the source alphabet to use.

Throws:

NullPointerException - if one of the arguments is null.

IllegalArgumentException - if alphabet is empty.

Method Detail

read

public int read()

Overrides:

read in class Reader

read

public int read(char[] cbuf)

Overrides:

read in class Reader

read

public int read(char[] cbuf,
                int off,
                int len)

Specified by:

read in class Reader

close

public void close()

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Specified by:

close in class Reader