62 lines
2.1 KiB
Java
62 lines
2.1 KiB
Java
/*
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* Copyright (c) 2010-2020 Nathan Rajlich
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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package org.java_websocket.framing;
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import org.java_websocket.enums.Opcode;
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import org.java_websocket.exceptions.InvalidDataException;
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import org.java_websocket.exceptions.InvalidFrameException;
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/**
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* Abstract class to represent control frames
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*/
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public abstract class ControlFrame extends FramedataImpl1 {
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/**
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* Class to represent a control frame
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*
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* @param opcode the opcode to use
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*/
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public ControlFrame(Opcode opcode) {
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super(opcode);
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}
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@Override
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public void isValid() throws InvalidDataException {
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if (!isFin()) {
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throw new InvalidFrameException("Control frame can't have fin==false set");
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}
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if (isRSV1()) {
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throw new InvalidFrameException("Control frame can't have rsv1==true set");
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}
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if (isRSV2()) {
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throw new InvalidFrameException("Control frame can't have rsv2==true set");
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}
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if (isRSV3()) {
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throw new InvalidFrameException("Control frame can't have rsv3==true set");
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}
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}
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}
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