Package com.pnfsoftware.jeb.util.io

Class DirectByteArrayOutputStream

java.lang.Object

java.io.OutputStream

java.io.ByteArrayOutputStream

com.pnfsoftware.jeb.util.io.DirectByteArrayOutputStream

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable

public class DirectByteArrayOutputStream
extends ByteArrayOutputStream

Extend ByteArrayOutputStream to provide direct access to the underlying byte array. In particular, this class is meant to circumvent the memory consumption issues of ByteArrayOutputStream.toByteArray().

Field Summary

Fields inherited from class java.io.ByteArrayOutputStream

buf, count

Constructor Summary

Constructors

Constructor	Description
DirectByteArrayOutputStream()

Method Summary

Modifier and Type	Method	Description
ByteBuffer	getBytes()	Direct access to the underlying byte array.
byte[]	getRawBytes()	Direct access to the underlying byte array.

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

DirectByteArrayOutputStream

public DirectByteArrayOutputStream()

Method Details

getRawBytes

public byte[] getRawBytes()

Direct access to the underlying byte array. This method is dangerous, but can be used instead of the expensive ByteArrayOutputStream.toByteArray(). It should be used in combination with ByteArrayOutputStream.size(). A safer, as efficient alternative, is getBytes().

Returns:

array with potentially more bytes than what was actually written to the stream (see ByteArrayOutputStream.size())

getBytes

public ByteBuffer getBytes()

Direct access to the underlying byte array.

Returns:

a buffer view of the bytes written to the stream