org.cirdles.webServices.ambapo.AmbapoServlet.java Source code

Introduction

Here is the source code for org.cirdles.webServices.ambapo.AmbapoServlet.java

Source

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package org.cirdles.webServices.ambapo;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Paths;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.Part;
import org.apache.commons.io.FilenameUtils;
import org.apache.commons.io.IOUtils;
import org.springframework.web.bind.ServletRequestUtils;

/**
 *
 * @author ty
 */
public class AmbapoServlet extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");

    }

    // <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
     * @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 <code>POST</code> 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 {
        response.setContentType("text/csv");
        response.setHeader("Content-Disposition", "attachment; filename=converted-file.csv");

        String conversionType = ServletRequestUtils.getStringParameter(request, "conversionType", "LatLongtoUTM");
        Part filePart = request.getPart("ambapoFile");

        String fileName = Paths.get(filePart.getSubmittedFileName()).getFileName().toString();
        InputStream fileStream = filePart.getInputStream();
        File myFile = new File(fileName);

        AmbapoFileHandlerService handler = new AmbapoFileHandlerService();
        String fileExt = FilenameUtils.getExtension(fileName);

        try {
            File convertedFile = null;
            if (fileExt.equals("csv")) {
                convertedFile = handler.convertFile(fileName, fileStream, conversionType).toFile();
                response.setContentLengthLong(convertedFile.length());
                IOUtils.copy(new FileInputStream(convertedFile), response.getOutputStream());
            }

            else {
            }

        } catch (Exception e) {
            System.err.println(e);
        }

    }

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

}