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//
//  ========================================================================
//  Copyright (c) 1995-2012 Mort Bay Consulting Pty. Ltd.
//  ------------------------------------------------------------------------
//  All rights reserved. This program and the accompanying materials
//  are made available under the terms of the Eclipse Public License v1.0
//  and Apache License v2.0 which accompanies this distribution.
//
//      The Eclipse Public License is available at
//      http://www.eclipse.org/legal/epl-v10.html
//
//      The Apache License v2.0 is available at
//      http://www.opensource.org/licenses/apache2.0.php
//
//  You may elect to redistribute this code under either of these licenses.
//  ========================================================================
//

package org.eclipse.jetty.websocket.servlet;

import java.io.IOException;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.eclipse.jetty.websocket.api.WebSocketPolicy;
import org.eclipse.jetty.websocket.api.annotations.WebSocket;
import org.eclipse.jetty.websocket.api.extensions.ExtensionFactory;

/**
 * Basic WebSocketServletFactory for working with Jetty-based WebSocketServlets
 */
public interface WebSocketServletFactory
{
    public boolean acceptWebSocket(HttpServletRequest request, HttpServletResponse response) throws IOException;

    public void cleanup();

    public WebSocketServletFactory createFactory(WebSocketPolicy policy);

    public abstract WebSocketCreator getCreator();

    public abstract ExtensionFactory getExtensionFactory();

    /**
     * Get the base policy in use for WebSockets.
     * 
     * Note: individual WebSocket implementations can override some of the values in here by using the {@link WebSocket @WebSocket} annotation.
     * 
     * @return the base policy
     */
    public WebSocketPolicy getPolicy();

    public void init() throws Exception;

    public boolean isUpgradeRequest(HttpServletRequest request, HttpServletResponse response);

    /**
     * Register a websocket class pojo with the default {@link WebSocketCreator}.
     * 
     * Note: only required if using the default {@link WebSocketCreator} provided by this factory.
     * 
     * @param websocketPojo
     *            the class to instantiate for each incoming websocket upgrade request.
     */
    public void register(Class websocketPojo);

    public abstract void setCreator(WebSocketCreator creator);
}