book_return.java

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/*
 * book_return.java
 *
 * Created on April 13, 2007, 5:29 AM
 */

package inc;

import java.io.*;
import java.net.*;
import java.sql.ResultSet;
import java.sql.SQLException;

import javax.servlet.*;
import javax.servlet.http.*;

/**
 *
 * @author mamat-dev
 * @version
 */
public class book_return extends HttpServlet {
    
    /** Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        
        //cek anggota
        String memberId = request.getParameter("memberId");
        Anggota anggota = new Anggota();
        ResultSet rsAnggota = anggota.selectAnggota("select member_status_id from member where member_id ="+memberId);
        String status = null;
        int i =0;
        try {
            while(rsAnggota.next()){
                status = rsAnggota.getString(1);
                i++;
            }
            if(i<1){
                response.sendRedirect("balik.jsp?error_null");
            } else {
                if (status.equals("2")){
                    //response.sendRedirect("pinjam.jsp?error_anggota_sudah_pinjam&"+status);
                    String bookId = request.getParameter("bookId");
                    Buku buku = new Buku();
                    ResultSet rs = buku.selectBuku("select book_status_id from book where book_id = "+bookId);
                    try {
                       int j = 0;
                       String status_buku = null;
                       while (rs.next()){
                            status_buku = rs.getString(1);
                            j++;
                       }
                       if(j<1){
                           response.sendRedirect("balik.jsp?error_book_null");
                       } else if(status_buku.equals("2")){
                           //response.sendRedirect("pinjam.jsp?error_book_sudah_dipinjam");
                           Pengembalian balik = new Pengembalian();
                           balik.setKembali(bookId,memberId);
                           response.sendRedirect("balik.jsp?ok");
                       } else{
                           response.sendRedirect("balik.jsp?error_book_blom_dipinjam");                            
                       }
                    } catch (SQLException ex) {
                        ex.printStackTrace();
                    }
                } else if(status.equals("1")) {
                    response.sendRedirect("balik.jsp?error_anggota_belum_pinjam&"+status);
                }   
            }
        } catch (SQLException ex) {
            //response.sendRedirect("pinjam.jsp?error_null");
            ex.printStackTrace();
        } catch (IOException ex) {            
            //response.sendRedirect("pinjam.jsp?error_null");
            ex.printStackTrace();
        }
        
        out.close();
    }
    
    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     */
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }
    
    /** Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     */
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }
    
    /** Returns a short description of the servlet.
     */
    public String getServletInfo() {
        return "Short description";
    }
    // </editor-fold>
}