ActionServlet_1.java

package li.mvc;

import java.io.IOException;

import javax.servlet.ServletConfig;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import li.util.Log;

/**
 * MVC的Servlet ,负责分发HTTP请求
 * 
 * @author li (limingwei@mail.com)
 * @version 0.1.0 (2013-08-13)
 */
public class ActionServlet_1 extends HttpServlet {
    private static final long serialVersionUID = -8214041532098707839L;

    Log log = Log.init();

    /**
     * 使用了ActionFilter的实现代码
     */
    protected ActionFilter actionFilter;

    /**
     * 初始化
     */
    public void init(ServletConfig config) throws ServletException {
        this._init(config.getServletContext());
    }

    /**
     * 初始化Servlet
     */
    void _init(ServletContext servletContext) {
        actionFilter = new ActionFilter();
        actionFilter._init(servletContext);
        actionFilter.log = log;
    }

    /**
     * Servlet服务
     */
    protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        if (!this.actionFilter._service(request, response)) {
            response.sendError(404, request.getServletPath() + " not found");
        }
    }
}