getindexservlet.java

征服AJAX+LUCENE构建搜索引擎的源码

/*
 * 创建日期 2006-3-5
 *
 * TODO 要更改此生成的文件的模板，请转至
 * 窗口 － 首选项 － Java － 代码样式 － 代码模板
 */
package cn.edu.bit.servlet;

import java.io.IOException;
import java.util.*;

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

import cn.edu.bit.business.IndexManager;
import cn.edu.bit.object.GIndex;

/**
 * @author ligang
 * 
 * TODO 要更改此生成的类型注释的模板，请转至 窗口 － 首选项 － Java － 代码样式 － 代码模板
 */
public class GetIndexServlet extends HttpServlet {

	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws IOException, ServletException {

		response.setContentType("text/xml;charset=UTF-8");

		response.setHeader("Cache-Control", "no-cache");

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

		param = new String(param.getBytes("ISO8859_1"));
		System.out.println("param="+param);
		ArrayList alist = new ArrayList();
		
		try {

			alist = (new IndexManager()).getManagerList(param);
		} catch (Exception e) {

		}

		String xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>";
		
		xml += "<message>";

		Iterator iter = alist.iterator();

		String content;

		while (iter.hasNext()) {
			GIndex gindex = (GIndex) iter.next();

			content = gindex.getContent();

		//	content = new String(content.getBytes("ISO8859_1"));

			xml += "<info>" + content + "</info>";
		}
		
		xml+="</message>";

	//	System.out.println(xml);
		response.getWriter().write(xml);

	}

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

}