com.jauntsdn.netty.handler.codec.http.websocketx

Class WebSocketFrameListener.Utf8FrameValidator

java.lang.Object

com.jauntsdn.netty.handler.codec.http.websocketx.WebSocketFrameListener.Utf8FrameValidator

Enclosing interface:

WebSocketFrameListener

public static final class WebSocketFrameListener.Utf8FrameValidator
extends Object

UTF8 finite state machine based implementation from https://bjoern.hoehrmann.de/utf-8/decoder/dfa/ optimized for ASCII content.

Field Summary

Fields

Modifier and Type	Field and Description
static int	UTF8_VALIDATION_ERROR_CODE
static String	UTF8_VALIDATION_ERROR_MESSAGE

Method Summary

Modifier and Type	Method and Description
static WebSocketFrameListener.Utf8FrameValidator	create()
boolean	validateFragmentContinuation(ByteBuf buffer)
boolean	validateFragmentEnd(ByteBuf buffer)
boolean	validateTextFragmentStart(ByteBuf buffer)
boolean	validateTextFrame(ByteBuf buffer)

Methods inherited from class java.lang.Object

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

Field Detail

UTF8_VALIDATION_ERROR_CODE

public static final int UTF8_VALIDATION_ERROR_CODE

See Also:

Constant Field Values

UTF8_VALIDATION_ERROR_MESSAGE

public static final String UTF8_VALIDATION_ERROR_MESSAGE

See Also:

Constant Field Values

Method Detail

create

public static WebSocketFrameListener.Utf8FrameValidator create()

validateTextFrame

public boolean validateTextFrame(ByteBuf buffer)

Parameters:

buffer - text frame payload

Returns:

true if payload is utf8 encoded, false otherwise

validateTextFragmentStart

public boolean validateTextFragmentStart(ByteBuf buffer)

Parameters:

buffer - text fragment frame payload

Returns:

true if payload is utf8 encoded, false otherwise

validateFragmentContinuation

public boolean validateFragmentContinuation(ByteBuf buffer)

Parameters:

buffer - text fragment frame payload

Returns:

true if payload is utf8 encoded, false otherwise

validateFragmentEnd

public boolean validateFragmentEnd(ByteBuf buffer)

Parameters:

buffer - text fragment frame payload

Returns:

true if payload is utf8 encoded, false otherwise