104 lines
2.9 KiB
Java
104 lines
2.9 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.extensions;
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import org.java_websocket.exceptions.InvalidDataException;
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import org.java_websocket.exceptions.InvalidFrameException;
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import org.java_websocket.framing.Framedata;
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/**
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* Class which represents the normal websocket implementation specified by rfc6455.
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* <p>
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* This is a fallback and will always be available for a Draft_6455
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*
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* @since 1.3.5
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*/
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public class DefaultExtension implements IExtension {
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@Override
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public void decodeFrame(Framedata inputFrame) throws InvalidDataException {
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//Nothing to do here
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}
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@Override
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public void encodeFrame(Framedata inputFrame) {
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//Nothing to do here
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}
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@Override
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public boolean acceptProvidedExtensionAsServer(String inputExtension) {
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return true;
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}
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@Override
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public boolean acceptProvidedExtensionAsClient(String inputExtension) {
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return true;
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}
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@Override
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public void isFrameValid(Framedata inputFrame) throws InvalidDataException {
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if (inputFrame.isRSV1() || inputFrame.isRSV2() || inputFrame.isRSV3()) {
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throw new InvalidFrameException(
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"bad rsv RSV1: " + inputFrame.isRSV1() + " RSV2: " + inputFrame.isRSV2() + " RSV3: "
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+ inputFrame.isRSV3());
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}
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}
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@Override
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public String getProvidedExtensionAsClient() {
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return "";
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}
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@Override
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public String getProvidedExtensionAsServer() {
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return "";
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}
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@Override
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public IExtension copyInstance() {
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return new DefaultExtension();
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}
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public void reset() {
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//Nothing to do here. No internal stats.
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}
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@Override
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public String toString() {
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return getClass().getSimpleName();
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}
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@Override
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public int hashCode() {
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return getClass().hashCode();
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}
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@Override
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public boolean equals(Object o) {
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return this == o || o != null && getClass() == o.getClass();
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}
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}
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