com.facebook.buck.util.hash

Class HasherOutputStream

java.lang.Object

java.io.OutputStream

java.io.FilterOutputStream

com.facebook.buck.util.hash.HasherOutputStream

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable

public class HasherOutputStream
extends FilterOutputStream

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

Field Summary

Fields inherited from class java.io.FilterOutputStream

out

Constructor Summary

Constructors

Constructor and Description
HasherOutputStream(com.google.common.hash.Hasher hasher, OutputStream out)

Method Summary

Modifier and Type	Method and Description
void	close()
void	write(byte[] bytes, int off, int len)
void	write(int b)

Methods inherited from class java.io.FilterOutputStream

flush, write

Methods inherited from class java.lang.Object

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

Constructor Detail

HasherOutputStream

public HasherOutputStream(com.google.common.hash.Hasher hasher,
                          OutputStream out)

Method Detail

write

public void write(int b)
           throws IOException

Overrides:

write in class FilterOutputStream

Throws:

IOException

write

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

Overrides:

write in class FilterOutputStream

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Overrides:

close in class FilterOutputStream

Throws:

IOException