/*
* Copyright 2002-2016 the original author or authors.
*
* Licensed 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 org.springframework.web.socket.adapter.standard;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import javax.websocket.Extension;
import org.springframework.util.LinkedCaseInsensitiveMap;
import org.springframework.web.socket.WebSocketExtension;
/**
* A sub-class of {@link org.springframework.web.socket.WebSocketExtension} that
* can be constructed from an {@link javax.websocket.Extension}.
*
* @author Rossen Stoyanchev
* @since 4.0
*/
public class StandardToWebSocketExtensionAdapter extends WebSocketExtension {
public StandardToWebSocketExtensionAdapter(Extension extension) {
super(extension.getName(), initParameters(extension));
}
private static Map<String, String> initParameters(Extension extension) {
List<Extension.Parameter> parameters = extension.getParameters();
Map<String, String> result = new LinkedCaseInsensitiveMap<>(parameters.size(), Locale.ENGLISH);
for (Extension.Parameter parameter : parameters) {
result.put(parameter.getName(), parameter.getValue());
}
return result;
}
}