/**
 * Copyright (c) 2003-2005 , David A. Czarnecki
 * All rights reserved.
 *
 * Portions Copyright (c) 2003-2005  by Mark Lussier
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice,
 *      this list of conditions and the following disclaimer.
 * Redistributions in binary form must reproduce the above copyright notice,
 *      this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
 * Neither the name of the "David A. Czarnecki" and "blojsom" nor the names of
 * its contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * Products derived from this software may not be called "blojsom",
 * nor may "blojsom" appear in their name, without prior written permission of
 * David A. Czarnecki.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
 * EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.blojsom.dispatcher;

import org.blojsom.BlojsomException;
import org.blojsom.blog.BlogUser;
import org.blojsom.blog.BlojsomConfiguration;
import org.blojsom.util.BlojsomConstants;

import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.Map;

/**
 * BlojsomDispatcher
 *
 * @author David Czarnecki
 * @version $Id: BlojsomDispatcher.java,v 1.2.2.1 2005/07/21 14:11:02 johnan Exp $
 */
public interface BlojsomDispatcher extends BlojsomConstants {

    /**
     * Initialization method for blojsom dispatchers
     *
     * @param servletConfig ServletConfig for obtaining any initialization parameters
     * @param blojsomConfiguration BlojsomConfiguration for blojsom-specific configuration information
     * @throws BlojsomException If there is an error initializing the dispatcher
     */
    public void init(ServletConfig servletConfig, BlojsomConfiguration blojsomConfiguration) throws BlojsomException;

    /**
     * Dispatch a request and response. A context map is provided for the BlojsomServlet to pass
     * any required information for use by the dispatcher. The dispatcher is also
     * provided with the template for the requested flavor along with the content type for the
     * specific flavor.
     *
     * @param httpServletRequest Request
     * @param httpServletResponse Response
     * @param user {@link BlogUser} instance
     * @param context Context map
     * @param flavorTemplate Template to dispatch to for the requested flavor
     * @param flavorContentType Content type for the requested flavor
     * @throws IOException If there is an exception during IO
     * @throws ServletException If there is an exception in dispatching the request
     */
    public void dispatch(HttpServletRequest httpServletRequest,
                         HttpServletResponse httpServletResponse,
                         BlogUser user,
                         Map context,
                         String flavorTemplate,
                         String flavorContentType) throws IOException, ServletException;
}