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}