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Camel Atmosphere WebSocket Servlet

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF 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 org.apache.camel.component.atmosphere.websocket;

import java.net.URI;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

import org.apache.camel.component.servlet.ServletComponent;
import org.apache.camel.component.servlet.ServletEndpoint;
import org.apache.camel.spi.annotations.Component;

/**
 * To exchange data with external Websocket clients using Atmosphere
 */
@Component("atmosphere-websocket")
public class WebsocketComponent extends ServletComponent {
    private final Map stores;

    public WebsocketComponent() {
        // override the default servlet name of ServletComponent
        super(WebsocketEndpoint.class);
        setServletName("CamelWsServlet");

        this.stores = new ConcurrentHashMap<>();
    }

    @Override
    protected ServletEndpoint createServletEndpoint(String endpointUri, ServletComponent component, URI httpUri)
            throws Exception {
        return new WebsocketEndpoint(endpointUri, (WebsocketComponent) component, httpUri);
    }

    WebSocketStore getWebSocketStore(String name) {
        return stores.computeIfAbsent(name, k -> new MemoryWebSocketStore());
    }
}