1 /* 2 * Copyright 2014 The Netty Project 3 * 4 * The Netty Project licenses this file to you under the Apache License, 5 * version 2.0 (the "License"); you may not use this file except in compliance 6 * with the License. You may obtain a copy of the License at: 7 * 8 * https://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 13 * License for the specific language governing permissions and limitations 14 * under the License. 15 */ 16 package io.netty5.handler.codec.http.websocketx.extensions; 17 18 import java.util.Collections; 19 import java.util.Map; 20 21 import static java.util.Objects.requireNonNull; 22 23 /** 24 * A WebSocket Extension data from the <tt>Sec-WebSocket-Extensions</tt> header. 25 * 26 * See <tt>io.netty5.handler.codec.http.HttpHeaders.Names.SEC_WEBSOCKET_EXTENSIONS</tt>. 27 */ 28 public final class WebSocketExtensionData { 29 30 private final String name; 31 private final Map<String, String> parameters; 32 33 public WebSocketExtensionData(String name, Map<String, String> parameters) { 34 requireNonNull(name, "name"); 35 requireNonNull(parameters, "parameters"); 36 this.name = name; 37 this.parameters = Collections.unmodifiableMap(parameters); 38 } 39 40 /** 41 * @return the extension name. 42 */ 43 public String name() { 44 return name; 45 } 46 47 /** 48 * @return the extension optional parameters. 49 */ 50 public Map<String, String> parameters() { 51 return parameters; 52 } 53 }