org.fcrepo.kernel.impl.utils

Class FixityInputStream

java.lang.Object

java.io.InputStream

java.io.FilterInputStream

org.apache.commons.io.input.ProxyInputStream

org.apache.commons.io.input.CountingInputStream

org.fcrepo.kernel.impl.utils.FixityInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

public class FixityInputStream
extends org.apache.commons.io.input.CountingInputStream

An InputStream wrapper that calculates the size and digest while reading from the stream.

Since:

Mar 12, 2013

Author:

Chris Beer

Field Summary

Fields inherited from class java.io.FilterInputStream

in

Constructor Summary

Constructors

Constructor and Description
FixityInputStream(InputStream in, MessageDigest digest) Creates a FilterInputStream by assigning the argument in to the field this.in so as to remember it for later use.

Method Summary

Methods

Modifier and Type	Method and Description
MessageDigest	getMessageDigest() Retrieve the calculated digest for the input stream

Methods inherited from class org.apache.commons.io.input.CountingInputStream

afterRead, getByteCount, getCount, resetByteCount, resetCount, skip

Methods inherited from class org.apache.commons.io.input.ProxyInputStream

available, beforeRead, close, handleIOException, mark, markSupported, read, read, read, reset

Methods inherited from class java.lang.Object

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

Constructor Detail

FixityInputStream

public FixityInputStream(InputStream in,
                 MessageDigest digest)

Creates a FilterInputStream by assigning the argument in to the field this.in so as to remember it for later use.

Parameters:

in - the underlying input stream, or null if this instance is to be created without an underlying stream.

Method Detail

getMessageDigest

public MessageDigest getMessageDigest()

Retrieve the calculated digest for the input stream

Returns:

digest for this input stream