package com.joke.servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;

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

import com.joke.util.BaiduService;
import com.joke.vo.AutoVo;

/**
 * 自动补全-仿百度
 * 
 * @author yangzhongying mail:j@seejoke.com
 * @date 2014-8-11 下午12:37:52
 * @package com.joke.servlet
 */
public class AutoServlet extends HttpServlet {

	private static final long serialVersionUID = -5539911925856715700L;

	public AutoServlet() {
		super();
	}

	public void destroy() {
		super.destroy();
	}

	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		request.setCharacterEncoding("UTF-8");
		response.setCharacterEncoding("UTF-8");
		response.setContentType("text/html");
		PrintWriter out = response.getWriter();

		String keyWord = request.getParameter("query");
		if (keyWord == null || "".equals(keyWord)) {
			request.getRequestDispatcher("/jquery/index.jsp").forward(request,
					response);
			return;
		}
		// keyWord = new String(keyWord.getBytes("ISO-8859-1"), "utf-8");
		StringBuilder sb = new StringBuilder();
		sb.append("{");
		sb.append("query:'" + keyWord + "',");
		// 百度
		List<AutoVo> autoList = BaiduService.getSuggestionList(keyWord);
		sb.append("suggestions:[");
		AutoVo autoBo = null;
		for (int i = 1; i <= autoList.size(); i++) {
			autoBo = autoList.get(i - 1);
			if (i == autoList.size()) {
				sb.append("'" + autoBo.getKeyword() + "'");
			} else if (autoBo.getKeyword() != null
					&& !"".equals(autoBo.getKeyword())) {
				sb.append("'" + autoBo.getKeyword() + "',");
			}
		}
		sb.append("],");
		System.out.println(sb);
		/* 下面一行数据是推荐关键字 */
		sb.append("data:['LR','LY','LI','LT']");
		sb.append("}");
		out.write(sb.toString());
		out.close();
	}

	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		this.doGet(request, response);
	}

	public void init() throws ServletException {

	}

}