package com.web.searchlocal.servlet;



import java.io.IOException;

import java.util.List;



import javax.servlet.RequestDispatcher;

import javax.servlet.ServletContext;

import javax.servlet.ServletException;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import javax.servlet.http.HttpSession;



import com.web.searchlocal.constants.Constant;

import com.web.searchlocal.entity.PageEntity;

import com.web.searchlocal.exception.LogicException;

import com.web.searchlocal.param.SearchParam;

import com.web.searchlocal.service.SearchService;

import com.web.searchlocal.service.impl.SearchServiceImpl;

import com.web.searchlocal.util.PagerHelper;

import com.web.searchlocal.util.SessionUtil;

import com.web.searchlocal.util.StringUtil;



/**

 * ??????

 * 

 * <p>Title: ??????</p>

 * <p>Description: </p>

 * <p>site: www.slfile.net</p>

 * @author changsong:qianjinfu@gmail.com

 * @version 1.0

 */

public class DoSearchServlet extends HttpServlet {



	/** serialVersionUID */

	private static final long serialVersionUID = 1L;



	/**

	 * ???

	 */

	public DoSearchServlet() {

	}



	/**

	 * ???????

	 * 

	 * @param request

	 * @param response

	 * @throws ServletException

	 * @throws IOException

	 */

	protected void service(HttpServletRequest request,

			HttpServletResponse response) throws ServletException, IOException {



		// query

		String query = request.getParameter("query");



		HttpSession session = SessionUtil.getNewSession(request);

		String searchtype = (String) session.getAttribute("searchtype");

		

		// ????

		if(StringUtil.isNullString(searchtype)){

			searchtype = Constant.ALL;

		}



		// ????

		String id = (String) request.getParameter("id");

		if (null == id) {

			id = (String) session.getAttribute("id");

		}



		session.removeAttribute("pageEntity");



		// ????

		SearchParam param = new SearchParam();

		// ???

		param.setQuery(query);

		// ???

		param.setId(id);

		param.setSearchtype(searchtype);



		// ????????

		SearchService searchService = new SearchServiceImpl();

		int totalRows = 0;

		try {

			totalRows = searchService.getCount(param);

		} catch (LogicException e1) {

			e1.printStackTrace();

		}

		PageEntity pageEntity = PagerHelper.getPager(null, null, null, totalRows);



		param.setStartRow(pageEntity.getStartRow());

		param.setEndRow(pageEntity.getEndRow());

		List beanList = null;

		try {

			beanList = searchService.dosearcher(param);

		} catch (LogicException e) {

			session.setAttribute(Constant.web_error_noresult, e.getMessage());

		}



		session.setAttribute("pageEntity", pageEntity);

		session.setAttribute("query", query);

		session.setAttribute("id", id);

		session.setAttribute("beanList", beanList);

		request.setAttribute("cpageNo", "1");



		ServletContext sc = getServletContext();

		RequestDispatcher rd = sc.getRequestDispatcher(Constant.WEB_RESULT_JSP);

		rd.forward(request, response);

	}

}