com.bugvm.websocket.framing.ControlFrame Maven / Gradle / Ivy
/*
* Copyright (c) 2010-2017 Nathan Rajlich
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
package com.bugvm.websocket.framing;
import com.bugvm.websocket.exceptions.InvalidDataException;
import com.bugvm.websocket.exceptions.InvalidFrameException;
/**
* Absstract class to represent control frames
*/
public abstract class ControlFrame extends FramedataImpl1 {
/**
* Class to represent a control frame
* @param opcode the opcode to use
*/
public ControlFrame( Opcode opcode ) {
super( opcode );
}
@Override
public void isValid() throws InvalidDataException {
if( !isFin() ) {
throw new InvalidFrameException( "Control frame cant have fin==false set" );
}
if( isRSV1() ) {
throw new InvalidFrameException( "Control frame cant have rsv1==true set" );
}
if( isRSV2() ) {
throw new InvalidFrameException( "Control frame cant have rsv2==true set" );
}
if( isRSV3() ) {
throw new InvalidFrameException( "Control frame cant have rsv3==true set" );
}
}
}