001/*
002 * Copyright 2002-2016 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      https://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.springframework.web.socket.adapter.standard;
018
019import java.util.List;
020import java.util.Locale;
021import java.util.Map;
022
023import javax.websocket.Extension;
024
025import org.springframework.util.LinkedCaseInsensitiveMap;
026import org.springframework.web.socket.WebSocketExtension;
027
028/**
029 * A sub-class of {@link org.springframework.web.socket.WebSocketExtension} that
030 * can be constructed from an {@link javax.websocket.Extension}.
031 *
032 * @author Rossen Stoyanchev
033 * @since 4.0
034 */
035public class StandardToWebSocketExtensionAdapter extends WebSocketExtension {
036
037
038        public StandardToWebSocketExtensionAdapter(Extension extension) {
039                super(extension.getName(), initParameters(extension));
040        }
041
042
043        private static Map<String, String> initParameters(Extension extension) {
044                List<Extension.Parameter> parameters = extension.getParameters();
045                Map<String, String> result = new LinkedCaseInsensitiveMap<>(parameters.size(), Locale.ENGLISH);
046                for (Extension.Parameter parameter : parameters) {
047                        result.put(parameter.getName(), parameter.getValue());
048                }
049                return result;
050        }
051
052}