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A Sinatra inspired java web framework
/*
* Copyright 2011- Per Wendel
*
* 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 spark.embeddedserver.jetty.websocket;
import org.eclipse.jetty.websocket.servlet.ServletUpgradeRequest;
import org.eclipse.jetty.websocket.servlet.ServletUpgradeResponse;
import org.eclipse.jetty.websocket.servlet.WebSocketCreator;
import static java.util.Objects.requireNonNull;
/**
* Factory class to create {@link WebSocketCreator} implementations that
* delegate to the given handler class.
*
* @author Ignasi Barrera
*/
public class WebSocketCreatorFactory {
/**
* Creates a {@link WebSocketCreator} that uses the given handler class/instance for
* the WebSocket connections.
*
* @param handlerWrapper The wrapped handler to use to manage WebSocket connections.
* @return The WebSocketCreator.
*/
public static WebSocketCreator create(WebSocketHandlerWrapper handlerWrapper) {
return new SparkWebSocketCreator(handlerWrapper.getHandler());
}
// Package protected to be visible to the unit tests
static class SparkWebSocketCreator implements WebSocketCreator {
private final Object handler;
private SparkWebSocketCreator(Object handler) {
this.handler = requireNonNull(handler, "handler cannot be null");
}
@Override
public Object createWebSocket(ServletUpgradeRequest request,
ServletUpgradeResponse response) {
return handler;
}
Object getHandler() {
return handler;
}
}
}