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/*
 * Copyright 2015-2017 GenerallyCloud.com
 *  
 * 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 com.generallycloud.baseio.container.http11;

import com.generallycloud.baseio.LifeCycleUtil;
import com.generallycloud.baseio.codec.http11.future.WebSocketSEListener;
import com.generallycloud.baseio.container.AbstractPluginContext;
import com.generallycloud.baseio.container.ApplicationContext;
import com.generallycloud.baseio.container.configuration.Configuration;

public class HttpContext extends AbstractPluginContext {

	private static HttpContext	instance			= null;

	private HttpSessionManager	httpSessionManager	= null;

	public static HttpContext getInstance() {
		return instance;
	}

	@Override
	public void destroy(ApplicationContext context, Configuration config) throws Exception {

		if (enableHttpSession(config)) {
			LifeCycleUtil.stop(httpSessionManager);
		}

		super.destroy(context, config);
	}

	public HttpSessionManager getHttpSessionManager() {
		return httpSessionManager;
	}

	@Override
	public void initialize(ApplicationContext context, Configuration config) throws Exception {

		super.initialize(context, config);

		instance = this;

		if (enableHttpSession(config)) {
			httpSessionManager = new DefaultHttpSessionManager();
			httpSessionManager.startup("HTTPSession-Manager");
		}else{
			httpSessionManager = new FakeHttpSessionManager();
		}

		context.getChannelContext().addSessionEventListener(new WebSocketSEListener());
	}

	private boolean enableHttpSession(Configuration config) {
		return config.getBooleanParameter("enable-http-session");
	}

}