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

Class UTF8Checker

  • All Implemented Interfaces:
    ChannelFunction
    public class UTF8Checker
extends java.lang.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

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void afterRead​(java.nio.ByteBuffer buf, int position, int length)
      Is called on the ByteBuffer after a read operation completes
      void beforeWrite​(java.nio.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

      • afterRead

        public void afterRead​(java.nio.ByteBuffer buf,
                      int position,
                      int length)
               throws java.io.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:
        java.io.IOException - thrown if an error occurs

      • beforeWrite

        public void beforeWrite​(java.nio.ByteBuffer buf,
                        int position,
                        int length)
                 throws java.io.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:
        java.io.UnsupportedEncodingException

      • complete

        public void complete()
              throws java.io.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:
        java.io.UnsupportedEncodingException