homeresource.java

jdo开发实例,一个功能全面的oa系统

package com.gzrealmap.oa.actions;

/**
 * <p>Title: 基本类库</p>
 * <p>Description: 基本类库</p>
 * <p>Copyright: Copyright (c) 2003</p>
 * <p>Company: 广州瑞图(gzrealmap.com)</p>
 * @author charlse
 * @version 1.0
 */

import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;

import com.gzrealmap.lib.sys.*;
import com.gzrealmap.lib.util.*;

public class HomeResource extends HttpServlet{
  public HomeResource() {

  }
  public void service(HttpServletRequest req, HttpServletResponse resp)
      throws ServletException, IOException {
    try {
      getResource(req, resp);
    }
    catch (Exception ex) {
      ex.printStackTrace();
    }
  }

  public static void getResource(HttpServletRequest request,
                                 HttpServletResponse response) throws
    Exception {

    String url =request.getParameter("url");
    byte[] tempbyte=url.getBytes("ISO-8859-1");
    url=new String(tempbyte,"gb2312");
    File file = new File(RootGlobes.getHome(), url);

    if (file.exists()) {
      BufferedInputStream in = new BufferedInputStream(new FileInputStream(file));
      ServletOutputStream out = response.getOutputStream();
      out.write(IOUtils.makeStream2bytes(in));
      out.flush();
      out.close();
    }
  }
}