com.facebook.buck.util.hash

Class HasherInputStream

java.lang.Object

java.io.InputStream

java.io.FilterInputStream

com.facebook.buck.util.hash.HasherInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

public class HasherInputStream
extends FilterInputStream

An InputStream which appends the hash of the data read from it to a Hasher. As opposed to HashingInputStream, users can wrap an existing Hasher which makes this more flexible when building more complex hashes.

Field Summary

Fields inherited from class java.io.FilterInputStream

in

Constructor Summary

Constructors

Constructor and Description
HasherInputStream(com.google.common.hash.Hasher hasher, InputStream in)

Method Summary

Modifier and Type	Method and Description
void	mark(int readlimit)
boolean	markSupported()
int	read()
int	read(byte[] bytes, int off, int len)
void	reset()

Methods inherited from class java.io.FilterInputStream

available, close, read, skip

Methods inherited from class java.lang.Object

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

Constructor Detail

HasherInputStream

public HasherInputStream(com.google.common.hash.Hasher hasher,
                         InputStream in)

Method Detail

read

public int read()
         throws IOException

Overrides:

read in class FilterInputStream

Throws:

IOException

read

public int read(@Nonnull
                byte[] bytes,
                int off,
                int len)
         throws IOException

Overrides:

read in class FilterInputStream

Throws:

IOException

markSupported

public boolean markSupported()

Overrides:

markSupported in class FilterInputStream

mark

public void mark(int readlimit)

Overrides:

mark in class FilterInputStream

reset

public void reset()
           throws IOException

Overrides:

reset in class FilterInputStream

Throws:

IOException