ファイル処理

package car;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.ServletContext;



public class pro extends HttpServlet {

   
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {

            String file,str;
            String[] data=new String[50000]; 
int s,datanumber;
int p1,p2;            

            ServletContext context = this.getServletContext();
            
            file=context.getRealPath("mj2.txt");
            
            file sub=new file();
            sub.makedata(file);
            data=sub.data;
            datanumber=sub.datanumber;
            
            for(s=1;s<datanumber+1;s++){
            str=data[s];
            p1=str.indexOf("");
            p1=str.indexOf(">",p1);
            p2=str.indexOf("");
            str=str.substring(p1+1,p2);
            out.println(str+"
");
            }
            
            
            
           
        } finally {            
            out.close();
        }
    }

    // 
    /**
     * Handles the HTTP
     * GET method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * POST method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// 
}