Package io.undertow.websockets.core.protocol.version07

Class UTF8Checker

java.lang.Object

io.undertow.websockets.core.protocol.version07.UTF8Checker

All Implemented Interfaces:

ChannelFunction

public class UTF8Checker
extends Object
implements ChannelFunction

An utility class which can be used to check if a sequence of bytes or ByteBuffers contain non UTF-8 data.

Please use a new instance per stream.

Author:

Norman Maurer

Constructor Summary

Constructors

Constructor	Description
UTF8Checker()

Method Summary

Modifier and Type	Method	Description
void	afterRead(ByteBuffer buf, int position, int length)	Is called on the ByteBuffer after a read operation completes
void	beforeWrite(ByteBuffer buf, int position, int length)	Is called on the ByteBuffer before a write operation completes
void	complete()	Is called to complete the ChannelFunction.
void	newFrame(FrameHeaderData headerData)

Methods inherited from class java.lang.Object

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

Constructor Detail

UTF8Checker

public UTF8Checker()

Method Detail

newFrame

public void newFrame(FrameHeaderData headerData)

Specified by:

newFrame in interface ChannelFunction

afterRead

public void afterRead(ByteBuffer buf,
                      int position,
                      int length)
               throws IOException

Description copied from interface: ChannelFunction

Is called on the ByteBuffer after a read operation completes

Specified by:

afterRead in interface ChannelFunction

Parameters:

buf - the ByteBuffer to operate on

position - the index in the ByteBuffer to start from

length - the number of bytes to operate on

Throws:

IOException - thrown if an error occurs

beforeWrite

public void beforeWrite(ByteBuffer buf,
                        int position,
                        int length)
                 throws UnsupportedEncodingException

Description copied from interface: ChannelFunction

Is called on the ByteBuffer before a write operation completes

Specified by:

beforeWrite in interface ChannelFunction

Parameters:

buf - the ByteBuffer to operate on

position - the index in the ByteBuffer to start from

length - the number of bytes to operate on

Throws:

UnsupportedEncodingException

complete

public void complete()
              throws UnsupportedEncodingException

Description copied from interface: ChannelFunction

Is called to complete the ChannelFunction. Access it after complete is called may result in unexpected behavior.

Specified by:

complete in interface ChannelFunction

Throws:

UnsupportedEncodingException