org.postgresql.util

Class ByteBufferByteStreamWriter

java.lang.Object

org.postgresql.util.ByteBufferByteStreamWriter

All Implemented Interfaces:

ByteStreamWriter

public class ByteBufferByteStreamWriter
extends java.lang.Object
implements ByteStreamWriter

A ByteStreamWriter that writes a java.nio.ByteBuffer to a byte array parameter.

Nested Class Summary

Nested classes/interfaces inherited from interface org.postgresql.util.ByteStreamWriter

ByteStreamWriter.ByteStreamTarget

Field Summary

Fields

Modifier and Type	Field and Description
private java.nio.ByteBuffer	buf
private int	length

Constructor Summary

Constructors

Constructor and Description
ByteBufferByteStreamWriter(java.nio.ByteBuffer buf) Construct the writer with the given ByteBuffer

Method Summary

Modifier and Type	Method and Description
int	getLength() Returns the length of the stream.
void	writeTo(ByteStreamWriter.ByteStreamTarget target) Write the data to the provided OutputStream.

Methods inherited from class java.lang.Object

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

Field Detail

buf

private final java.nio.ByteBuffer buf

length

private final int length

Constructor Detail

ByteBufferByteStreamWriter

public ByteBufferByteStreamWriter(java.nio.ByteBuffer buf)

Construct the writer with the given ByteBuffer

Parameters:

buf - the buffer to use.

Method Detail

getLength

public int getLength()

Description copied from interface: ByteStreamWriter

Returns the length of the stream.

This must be known ahead of calling ByteStreamWriter.writeTo(ByteStreamTarget).

Specified by:

getLength in interface ByteStreamWriter

Returns:

the number of bytes in the stream.

writeTo

public void writeTo(ByteStreamWriter.ByteStreamTarget target)
             throws java.io.IOException

Description copied from interface: ByteStreamWriter

Write the data to the provided OutputStream.

Should not write more than ByteStreamWriter.getLength() bytes. If attempted, the provided stream will throw an IOException.

Specified by:

writeTo in interface ByteStreamWriter

Parameters:

target - the stream to write the data to

Throws:

java.io.IOException - if the underlying stream throws or there is some other error.