001/*
002 * Copyright 2002-2013 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;
022import javax.websocket.Extension;
023
024import org.springframework.util.LinkedCaseInsensitiveMap;
025import org.springframework.web.socket.WebSocketExtension;
026
027/**
028 * A sub-class of {@link org.springframework.web.socket.WebSocketExtension} that
029 * can be constructed from an {@link javax.websocket.Extension}.
030 *
031 * @author Rossen Stoyanchev
032 * @since 4.0
033 */
034public class StandardToWebSocketExtensionAdapter extends WebSocketExtension {
035
036
037        public StandardToWebSocketExtensionAdapter(Extension extension) {
038                super(extension.getName(), initParameters(extension));
039        }
040
041
042        private static Map<String, String> initParameters(Extension extension) {
043                List<Extension.Parameter> parameters = extension.getParameters();
044                Map<String, String> result = new LinkedCaseInsensitiveMap<String>(parameters.size(), Locale.ENGLISH);
045                for (Extension.Parameter parameter : parameters) {
046                        result.put(parameter.getName(), parameter.getValue());
047                }
048                return result;
049        }
050
051}