/*
* Copyright 2014 The Netty Project
*
* The Netty Project licenses this file to you under the Apache License,
* version 2.0 (the "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*/
package io.netty.handler.codec.http.websocketx.extensions;
import java.util.Collections;
import java.util.Map;
/**
* A WebSocket Extension data from the <tt>Sec-WebSocket-Extensions</tt> header.
*
* See <tt>io.netty.handler.codec.http.HttpHeaders.Names.SEC_WEBSOCKET_EXTENSIONS</tt>.
*/
public final class WebSocketExtensionData {
private final String name;
private final Map<String, String> parameters;
public WebSocketExtensionData(String name, Map<String, String> parameters) {
if (name == null) {
throw new NullPointerException("name");
}
if (parameters == null) {
throw new NullPointerException("parameters");
}
this.name = name;
this.parameters = Collections.unmodifiableMap(parameters);
}
/**
* @return the extension name.
*/
public String name() {
return name;
}
/**
* @return the extension optional parameters.
*/
public Map<String, String> parameters() {
return parameters;
}
}