Class GSSOutputStream

java.lang.Object

java.io.OutputStream

java.io.FilterOutputStream

org.postgresql.util.internal.PgBufferedOutputStream

org.postgresql.gss.GSSOutputStream

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable

public class GSSOutputStream
extends PgBufferedOutputStream

Output stream that wraps each packed with GSS encryption.

Field Summary

Fields

Modifier and Type	Field	Description
private final GSSContext	gssContext
private final MessageProp	messageProp
private final PgBufferedOutputStream	pgOut

Fields inherited from class PgBufferedOutputStream

buf, count

Fields inherited from class FilterOutputStream

out

Constructor Summary

Constructors

Constructor	Description
GSSOutputStream(PgBufferedOutputStream out, GSSContext gssContext, MessageProp messageProp, int maxTokenSize)	Creates GSS output stream.

Method Summary

Modifier and Type	Method	Description
protected void	flushBuffer()
private static int	getBufferSize(GSSContext gssContext, MessageProp messageProp, int maxTokenSize)
void	write(byte[] b, int off, int len)
private void	writeWrapped(byte[] b, int off, int len)

Methods inherited from class PgBufferedOutputStream

flush, write, write, writeInt2, writeInt4, writeZeros

Methods inherited from class FilterOutputStream

close, write

Methods inherited from class OutputStream

nullOutputStream

Methods inherited from class Object

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

Field Details

pgOut

private final PgBufferedOutputStream pgOut

gssContext

private final GSSContext gssContext

messageProp

private final MessageProp messageProp

Constructor Details

GSSOutputStream

public GSSOutputStream(PgBufferedOutputStream out,
 GSSContext gssContext,
 MessageProp messageProp,
 int maxTokenSize)
                throws GSSException

Creates GSS output stream.

Parameters:

out - output stream for the encrypted data

gssContext - gss context

messageProp - message properties

maxTokenSize - maximum length of the encrypted messages

Throws:

GSSException

Method Details

getBufferSize

private static int getBufferSize(GSSContext gssContext,
 MessageProp messageProp,
 int maxTokenSize)
                          throws GSSException

Throws:

GSSException

flushBuffer

protected void flushBuffer()
                    throws IOException

Overrides:

flushBuffer in class PgBufferedOutputStream

Throws:

IOException

writeWrapped

private void writeWrapped(byte[] b,
 int off,
 int len)
                   throws IOException

Throws:

IOException

write

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

Overrides:

write in class PgBufferedOutputStream

Throws:

IOException