89 lines
2.7 KiB
Java
89 lines
2.7 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.tomcat.websocket.server;
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import java.util.ArrayList;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Set;
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import javax.websocket.Extension;
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import javax.websocket.HandshakeResponse;
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import javax.websocket.server.HandshakeRequest;
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import javax.websocket.server.ServerEndpointConfig;
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public class DefaultServerEndpointConfigurator
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extends ServerEndpointConfig.Configurator {
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@Override
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public <T> T getEndpointInstance(Class<T> clazz)
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throws InstantiationException {
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try {
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return clazz.getConstructor().newInstance();
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} catch (InstantiationException e) {
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throw e;
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} catch (ReflectiveOperationException e) {
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InstantiationException ie = new InstantiationException();
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ie.initCause(e);
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throw ie;
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}
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}
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@Override
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public String getNegotiatedSubprotocol(List<String> supported,
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List<String> requested) {
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for (String request : requested) {
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if (supported.contains(request)) {
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return request;
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}
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}
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return "";
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}
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@Override
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public List<Extension> getNegotiatedExtensions(List<Extension> installed,
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List<Extension> requested) {
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Set<String> installedNames = new HashSet<>();
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for (Extension e : installed) {
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installedNames.add(e.getName());
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}
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List<Extension> result = new ArrayList<>();
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for (Extension request : requested) {
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if (installedNames.contains(request.getName())) {
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result.add(request);
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}
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}
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return result;
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}
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@Override
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public boolean checkOrigin(String originHeaderValue) {
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return true;
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}
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@Override
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public void modifyHandshake(ServerEndpointConfig sec,
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HandshakeRequest request, HandshakeResponse response) {
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// NO-OP
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}
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}
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