Package no.digipost.io

Class InputStreamIterator

java.lang.Object

no.digipost.io.InputStreamIterator

All Implemented Interfaces:

Iterator<byte[]>

public class InputStreamIterator
extends Object
implements Iterator<byte[]>

InputStreamIterator is an Iterator reading from an InputStream in chunks where each chunk is returned as the next element in the iterable. When the input stream is fully consumed the iterator has no more elements.

Constructor Summary

Constructors

Constructor	Description
InputStreamIterator(InputStream inputStream, int chunkSizeBytes)
InputStreamIterator(InputStream inputStream, DataSize chunkSize)

Method Summary

Modifier and Type	Method	Description
boolean	hasNext()
byte[]	next()

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

Constructor Details

InputStreamIterator

public InputStreamIterator(InputStream inputStream,
 DataSize chunkSize)

Parameters:

inputStream - The input stream to iterate over

chunkSize - DataSize should not be too big since that defeats the purpose of this iterator.

InputStreamIterator

public InputStreamIterator(InputStream inputStream,
 int chunkSizeBytes)

Method Details

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<byte[]>

Returns:

true if the iteration has more elements

Throws:

UncheckedIOException - if the wrapped InputStream throws an IOException

next

public byte[] next()

Specified by:

next in interface Iterator<byte[]>