Module no.uio.ifi.crypt4gh

Package no.uio.ifi.crypt4gh.stream

Class Crypt4GHOutputStream

java.lang.Object

java.io.OutputStream

java.io.FilterOutputStream

no.uio.ifi.crypt4gh.stream.Crypt4GHOutputStream

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable

public class Crypt4GHOutputStream
extends FilterOutputStream

Crypt4GHOutputStream that wraps existing OutputStream.

Field Summary

Fields inherited from class java.io.FilterOutputStream

out

Constructor Summary

Constructors

Constructor	Description
Crypt4GHOutputStream(OutputStream out, PrivateKey writerPrivateKey, PublicKey readerPublicKey)	Constructs the Crypt4GHOutputStream by wrapping existing OutputStream.
Crypt4GHOutputStream(OutputStream out, no.uio.ifi.crypt4gh.pojo.header.DataEditList dataEditList, PrivateKey writerPrivateKey, PublicKey readerPublicKey)	Constructs the Crypt4GHOutputStream by wrapping existing OutputStream with DataEditList included to a header.

Method Summary

Modifier and Type	Method	Description
void	flush()	Flushes the internal buffer before flushing the underlying stream.
protected void	flushBuffer()
no.uio.ifi.crypt4gh.pojo.header.Header	getHeader()	Gets header.
void	write(int b)	Writes a byte to an internal buffer and flushes this buffer when it get's full.

Methods inherited from class java.io.FilterOutputStream

close, write, write

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

Crypt4GHOutputStream

public Crypt4GHOutputStream(OutputStream out,
 PrivateKey writerPrivateKey,
 PublicKey readerPublicKey)
                     throws IOException,
GeneralSecurityException

Constructs the Crypt4GHOutputStream by wrapping existing OutputStream.

Parameters:

out - Existing OutputStream.

writerPrivateKey - Sender's private key.

readerPublicKey - Recipient's public key.

Throws:

IOException - In case the Crypt4GH header can't be read from the underlying OutputStream.

GeneralSecurityException - In case the Crypt4GH header is malformed.

Crypt4GHOutputStream

public Crypt4GHOutputStream(OutputStream out,
 no.uio.ifi.crypt4gh.pojo.header.DataEditList dataEditList,
 PrivateKey writerPrivateKey,
 PublicKey readerPublicKey)
                     throws IOException,
GeneralSecurityException

Constructs the Crypt4GHOutputStream by wrapping existing OutputStream with DataEditList included to a header.

Parameters:

out - Existing OutputStream.

dataEditList - Data Edit List.

writerPrivateKey - Sender's private key.

readerPublicKey - Recipient's public key.

Throws:

IOException - In case the Crypt4GH header can't be read from the underlying OutputStream.

GeneralSecurityException - In case the Crypt4GH header is malformed.

Method Details

getHeader

public no.uio.ifi.crypt4gh.pojo.header.Header getHeader()

Gets header.

Returns:

Crypt4GH full header.

write

public void write(int b)
           throws IOException

Writes a byte to an internal buffer and flushes this buffer when it get's full.

Overrides:

write in class FilterOutputStream

Parameters:

b - A byte to write.

Throws:

IOException - In case the byte can't be written or the buffer can't be flushed.

flushBuffer

protected void flushBuffer()
                    throws IOException,
GeneralSecurityException

Throws:

IOException

GeneralSecurityException

flush

public void flush()
           throws IOException

Flushes the internal buffer before flushing the underlying stream.

Specified by:

flush in interface Flushable

Overrides:

flush in class FilterOutputStream

Throws:

IOException - In case if the buffer or underlying stream can't be flushed.