Package ghidra.util

Class HashingOutputStream

java.lang.Object

java.io.OutputStream

ghidra.util.HashingOutputStream

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable

public class HashingOutputStream
extends OutputStream

A filtering OutputStream that calculates the hash of the bytes being written.

Call getDigest() to retrieve the hash value bytes.

Constructor Summary

Constructors

Constructor	Description
HashingOutputStream(OutputStream out, String hashAlgo)

Method Summary

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

Methods inherited from class java.io.OutputStream

nullOutputStream

Methods inherited from class java.lang.Object

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

Constructor Details

HashingOutputStream

public HashingOutputStream(OutputStream out,
 String hashAlgo)
                    throws NoSuchAlgorithmException

Parameters:

out - - OutputStream to wrap

hashAlgo - - see MessageDigest.getInstance(String), ie. "MD5".

Throws:

NoSuchAlgorithmException

Method Details

write

public void write(int b)
           throws IOException

Specified by:

write in class OutputStream

Throws:

IOException

write

public void write(byte[] b)
           throws IOException

Overrides:

write in class OutputStream

Throws:

IOException

write

public void write(byte[] b,
 int off,
 int len)
           throws IOException

Overrides:

write in class OutputStream

Throws:

IOException

flush

public void flush()
           throws IOException

Specified by:

flush in interface Flushable

Overrides:

flush in class OutputStream

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Overrides:

close in class OutputStream

Throws:

IOException

getDigest

public byte[] getDigest()