Package org.apache.avro.util

Class NonCopyingByteArrayOutputStream

java.lang.Object

java.io.OutputStream

java.io.ByteArrayOutputStream

org.apache.avro.util.NonCopyingByteArrayOutputStream

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable

public class NonCopyingByteArrayOutputStream
extends ByteArrayOutputStream

Utility to make data written to an ByteArrayOutputStream directly available as a ByteBuffer.

Field Summary

Fields inherited from class java.io.ByteArrayOutputStream

buf, count

Constructor Summary

Constructors

Constructor	Description
NonCopyingByteArrayOutputStream(int size)	Creates a new byte array output stream, with a buffer capacity of the specified size, in bytes.

Method Summary

Modifier and Type	Method	Description
ByteBuffer	asByteBuffer()	Get the contents of this ByteArrayOutputStream wrapped as a ByteBuffer.

Methods inherited from class java.io.ByteArrayOutputStream

close, reset, size, toByteArray, toString, toString, toString, toString, write, write, writeBytes, writeTo

Methods inherited from class java.io.OutputStream

flush, nullOutputStream, write

Methods inherited from class java.lang.Object

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

Constructor Details

NonCopyingByteArrayOutputStream

public NonCopyingByteArrayOutputStream(int size)

Creates a new byte array output stream, with a buffer capacity of the specified size, in bytes.

Parameters:

size - the initial size

Throws:

IllegalArgumentException - if size is negative

Method Details

asByteBuffer

public ByteBuffer asByteBuffer()

Get the contents of this ByteArrayOutputStream wrapped as a ByteBuffer. This is a shallow copy. Changes to this ByteArrayOutputstream "write through" to the ByteBuffer.

Returns:

The contents of this ByteArrayOutputstream wrapped as a ByteBuffer