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//
//  ========================================================================
//  Copyright (c) 1995-2014 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.server;

import java.io.IOException;

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

import org.eclipse.jetty.server.handler.HandlerCollection;
import org.eclipse.jetty.server.handler.HandlerWrapper;
import org.eclipse.jetty.util.component.Destroyable;
import org.eclipse.jetty.util.component.LifeCycle;

/* ------------------------------------------------------------ */
/** A Jetty Server Handler.
 * 
 * A Handler instance is required by a {@link Server} to handle incoming
 * HTTP requests.  A Handler may: 
    *
  • Completely generate the HTTP Response
  • *
  • Examine/modify the request and call another Handler (see {@link HandlerWrapper}). *
  • Pass the request to one or more other Handlers (see {@link HandlerCollection}). *
* * Handlers are passed the servlet API request and response object, but are * not Servlets. The servlet container is implemented by handlers for * context, security, session and servlet that modify the request object * before passing it to the next stage of handling. * */ public interface Handler extends LifeCycle, Destroyable { /* ------------------------------------------------------------ */ /** Handle a request. * @param target The target of the request - either a URI or a name. * @param baseRequest The original unwrapped request object. * @param request The request either as the {@link Request} * object or a wrapper of that request. The {@link AbstractHttpConnection#getCurrentConnection()} * method can be used access the Request object if required. * @param response The response as the {@link Response} * object or a wrapper of that request. The {@link AbstractHttpConnection#getCurrentConnection()} * method can be used access the Response object if required. * @throws IOException * @throws ServletException */ public void handle(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException; public void setServer(Server server); public Server getServer(); public void destroy(); }




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