org.danilopianini.util

Class InputStreamIterator

java.lang.Object

org.danilopianini.util.InputStreamIterator

All Implemented Interfaces:

Iterator<Byte>

public class InputStreamIterator
extends Object
implements Iterator<Byte>

Iterates over an InputStream, using a 128KB buffer to achieve decent performance.

Field Summary

Fields

Modifier and Type	Field and Description
private byte[]	buffer
private static int	BUFFER_SIZE
private Consumer<IOException>	ifFails
private InputStream	in
private int	index
private boolean	isClosed
private int	read

Constructor Summary

Constructors

Modifier	Constructor and Description
	InputStreamIterator(File in, Consumer<IOException> ifFails)
protected	InputStreamIterator(InputStream in, Consumer<IOException> ifFails)
	InputStreamIterator(Path in, Consumer<IOException> ifFails)
	InputStreamIterator(URL in, Consumer<IOException> ifFails)

Method Summary

Modifier and Type	Method and Description
boolean	hasNext()
Byte	next()
private void	readNext()
private static InputStream	silenceException(Path p)
private static InputStream	silenceException(URL in)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining, remove

Field Detail

BUFFER_SIZE

private static final int BUFFER_SIZE

See Also:

Constant Field Values

in

private final InputStream in

buffer

private final byte[] buffer

read

private int read

index

private int index

isClosed

private boolean isClosed

ifFails

private final Consumer<IOException> ifFails

Constructor Detail

InputStreamIterator

protected InputStreamIterator(InputStream in,
                              Consumer<IOException> ifFails)

Parameters:

in - the InputStream to wrap

ifFails - IOException handler

InputStreamIterator

public InputStreamIterator(Path in,
                           Consumer<IOException> ifFails)

Parameters:

in - an InputStream will be created from the provided Path

ifFails - IOException handler

InputStreamIterator

public InputStreamIterator(URL in,
                           Consumer<IOException> ifFails)

Parameters:

in - an InputStream will be created from the provided URL

ifFails - IOException handler

InputStreamIterator

public InputStreamIterator(File in,
                           Consumer<IOException> ifFails)

Parameters:

in - an InputStream will be created from the provided URL

ifFails - IOException handler

Method Detail

silenceException

private static InputStream silenceException(Path p)

silenceException

private static InputStream silenceException(URL in)

readNext

private void readNext()

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<Byte>

next

public Byte next()

Specified by:

next in interface Iterator<Byte>