cz.muni.fi.pb138.cvmanager.controller.PDFcontroller.java Source code

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Here is the source code for cz.muni.fi.pb138.cvmanager.controller.PDFcontroller.java

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package cz.muni.fi.pb138.cvmanager.controller;

import cz.muni.fi.pb138.cvmanager.service.PDFgenerator;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.util.FileCopyUtils;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;

import javax.servlet.http.HttpServletResponse;
import java.io.InputStream;
import java.io.PrintWriter;

/**
 *
 * @author david
 */
@Controller
public class PDFcontroller extends BaseController {

    @Autowired
    private PDFgenerator pdfGenerator;

    /**
     * Http Get request for "/auth/download"
     * Converts cv from xml format to latex and uploads pdf to users pc
     *
     * @param lang     language of  cv in downloaded pdf
     * @param response http server response
     */
    @RequestMapping(value = "/auth/download", method = RequestMethod.GET)
    public void downloadPDF(@RequestParam("l") String lang, HttpServletResponse response) {
        try {
            //uncomment the calling of method when login finished
            pdfGenerator.xmlToLatex(getPrincipalUsername(), lang);
            InputStream pdf = pdfGenerator.latexToPdf(getPrincipalUsername());

            response.setContentType("application/pdf");
            FileCopyUtils.copy(pdf, response.getOutputStream());
            response.flushBuffer();
        } catch (Exception ex) {
            System.out.print(ex.toString());
            try {
                PrintWriter out = response.getWriter();
                out.println("Sorry, generating of CV to PDF failed");
                out.close();
            } catch (Exception e) {
                System.out.print("not able to print on web site");
            }
        }
    }

}