filelocation.java

java servlet编程源码

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

public class FileLocation extends HttpServlet {

  public void doGet(HttpServletRequest req, HttpServletResponse res)
                               throws ServletException, IOException {
    res.setContentType("text/plain");
    PrintWriter out = res.getWriter();

    if (req.getPathInfo() != null) {
      out.println("The file \"" + req.getPathInfo() + "\"");
      out.println("Is stored at \"" + req.getPathTranslated() + "\"");
    }
    else {
      out.println("Path info is null, no file to lookup");
    }
  }
}