org.cirdles.webServices.calamari.CalamariServlet.java Source code

Introduction

Here is the source code for org.cirdles.webServices.calamari.CalamariServlet.java

Source

/*
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package org.cirdles.webServices.calamari;

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.annotation.MultipartConfig;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
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
 */
@MultipartConfig
public class CalamariServlet 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");
        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 {

        HttpSession session = request.getSession();
        Integer accessCount;
        synchronized (session) {
            accessCount = (Integer) session.getAttribute("accessCount");
            if (accessCount == null) {
                accessCount = 0; // autobox int to Integer
            } else {
                accessCount = accessCount + 1;
            }
            session.setAttribute("accessCount", accessCount);
        }

        response.setContentType("application/zip");
        response.setHeader("Content-Disposition", "attachment; filename=calamari-reports.zip");

        boolean useSBM = ServletRequestUtils.getBooleanParameter(request, "useSBM", true);
        boolean useLinFits = ServletRequestUtils.getBooleanParameter(request, "userLinFits", false);
        String firstLetterRM = ServletRequestUtils.getStringParameter(request, "firstLetterRM", "T");
        Part filePart = request.getPart("prawnFile");

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

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

        try {
            File report = null;
            if (fileExt.equals("zip")) {
                report = handler.generateReportsZip(fileName, fileStream, useSBM, useLinFits, firstLetterRM)
                        .toFile();
            } else if (fileExt.equals("xml")) {
                report = handler.generateReports(fileName, fileStream, useSBM, useLinFits, firstLetterRM).toFile();
            }

            response.setContentLengthLong(report.length());
            IOUtils.copy(new FileInputStream(report), response.getOutputStream());

        } 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>

}