Example usage for javax.servlet.http HttpServletRequest getServletContext

List of usage examples for javax.servlet.http HttpServletRequest getServletContext

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Introduction

In this page you can find the example usage for javax.servlet.http HttpServletRequest getServletContext.

Prototype

public ServletContext getServletContext();

Source Link

Document

Gets the servlet context to which this ServletRequest was last dispatched.

Usage

From source file:br.edu.ifpb.sislivros.model.ProcessadorFotos.java

public String processarFotoPerfil(HttpServletRequest request, Part fotoPart, String nameToSave)
        throws ServletException, IOException {

    if (fotoPart != null & nameToSave != null) {
        InputStream fileContent = fotoPart.getInputStream();
        String contextPath = request.getServletContext().getRealPath("/");

        if (salvarImagemCapa(contextPath + File.separator + folder, fileContent, nameToSave)) {
            return folder + "/" + nameToSave;
        }//  ww  w .j a v  a 2  s .  co  m
    }

    return null;
}

From source file:com.arcadian.loginservlet.CourseContentServlet.java

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    if (request.getParameter("filename") != null) {
        String fileName = request.getParameter("filename");
        File file = new File(request.getServletContext().getAttribute("FILES_DIR") + File.separator + fileName);
        System.out.println("File location on server::" + file.getAbsolutePath());
        ServletContext ctx = getServletContext();
        InputStream fis = new FileInputStream(file);
        String mimeType = ctx.getMimeType(file.getAbsolutePath());
        System.out.println("mime type=" + mimeType);
        response.setContentType(mimeType != null ? mimeType : "application/octet-stream");
        response.setContentLength((int) file.length());
        response.setHeader("Content-Disposition", "attachment; filename=\"" + fileName + "\"");

        ServletOutputStream os = response.getOutputStream();
        byte[] bufferData = new byte[102400];
        int read = 0;
        while ((read = fis.read(bufferData)) != -1) {
            os.write(bufferData, 0, read);
        }/* w  ww  .j  a  va  2s. c o  m*/
        os.flush();
        os.close();
        fis.close();
        System.out.println("File downloaded at client successfully");
    }
    processRequest(request, response);
}

From source file:io.lavagna.web.api.ApplicationConfigurationController.java

@RequestMapping(value = "/api/check-https-config", method = RequestMethod.GET)
public List<String> checkHttpsConfiguration(HttpServletRequest req) {

    List<String> status = new ArrayList<>(2);

    Map<Key, String> configuration = configurationRepository
            .findConfigurationFor(of(Key.USE_HTTPS, Key.BASE_APPLICATION_URL));

    final boolean useHttps = "true".equals(configuration.get(Key.USE_HTTPS));
    if (req.getServletContext().getSessionCookieConfig().isSecure() != useHttps) {
        status.add("SessionCookieConfig is not aligned with settings. The application must be restarted.");
    }/* ww  w.j a va2s.c om*/

    final String baseApplicationUrl = configuration.get(Key.BASE_APPLICATION_URL);

    if (useHttps && !baseApplicationUrl.startsWith("https://")) {
        status.add(format(
                "The base application url %s does not begin with https:// . It's a mandatory requirement if you want to enable full https mode.",
                baseApplicationUrl));
    }

    return status;
}

From source file:com.apt.ajax.controller.AjaxUpload.java

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods./*from   w  w w. j ava 2  s . c o  m*/
 *
 * @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("application/json");

    String uploadDir = request.getServletContext().getRealPath(File.separator) + "upload";
    Gson gson = new Gson();
    MessageBean messageBean = new MessageBean();
    try (PrintWriter out = response.getWriter()) {
        /* TODO output your page here. You may use following sample code. */
        File x = new File(uploadDir);
        if (!x.exists()) {
            x.mkdir();
        }
        boolean isMultiplePart = ServletFileUpload.isMultipartContent(request);

        FileItemFactory factory = new DiskFileItemFactory();
        ServletFileUpload upload = new ServletFileUpload(factory);
        if (!isMultiplePart) {

        } else {
            List items = null;

            try {
                items = upload.parseRequest(request);
                if (items != null) {
                    Iterator iterator = items.iterator();
                    String assignmentId = "";
                    String stuid = "";
                    while (iterator.hasNext()) {
                        FileItem item = (FileItem) iterator.next();
                        if (item.isFormField()) {
                            String fieldName = item.getFieldName();
                            if (fieldName.equals("assignmentid")) {
                                assignmentId = item.getString();
                                File c = new File(uploadDir + File.separator + assignmentId);
                                if (!c.exists()) {
                                    c.mkdir();
                                }
                                uploadDir = c.getPath();
                                if (request.getSession().getAttribute("studentId") != null) {
                                    stuid = request.getSession().getAttribute("studentId").toString();
                                    File stuDir = new File(uploadDir + File.separator + stuid);
                                    if (!stuDir.exists()) {
                                        stuDir.mkdir();
                                    }
                                    uploadDir = stuDir.getPath();
                                }
                            }
                        } else {
                            String itemname = item.getName();
                            if (itemname == null || itemname.equals("")) {
                            } else {
                                String filename = FilenameUtils.getName(itemname);
                                File f = new File(uploadDir + File.separator + filename);
                                String[] split = f.getPath().split(Pattern.quote(File.separator) + "upload"
                                        + Pattern.quote(File.separator));
                                String save = split[split.length - 1];
                                if (assignmentId != null && !assignmentId.equals("")) {
                                    if (stuid != null && !stuid.equals("")) {

                                    } else {
                                        Assignment assignment = new AssignmentFacade()
                                                .findAssignment(Integer.parseInt(assignmentId));
                                        assignment.setUrl(save);
                                        new AssignmentFacade().updateAssignment(assignment);
                                    }
                                }
                                item.write(f);
                                messageBean.setStatus(0);
                                messageBean.setMessage("File " + f.getName() + " sucessfuly uploaded");

                            }
                        }
                    }
                }

                gson.toJson(messageBean, out);
            } catch (Exception ex) {
                messageBean.setStatus(1);
                messageBean.setMessage(ex.getMessage());
                gson.toJson(messageBean, out);
            }

        }
    } catch (Exception ex) {
        Logger.getLogger(AjaxUpload.class.getName()).log(Level.SEVERE, null, ex);
    }
}

From source file:com.github.cxt.Myjersey.jerseycore.FileResource.java

@Path("download")
@GET//from  w  ww.j  ava  2s  .  c  o m
public Response downloadFile(@Context HttpServletRequest request) throws IOException {
    File file = new File(request.getServletContext().getRealPath("index.html"));
    String mt = new MimetypesFileTypeMap().getContentType(file);
    return Response.ok(file, mt).header("Content-disposition", "attachment;filename=" + file.getName())
            .header("ragma", "No-cache").header("Cache-Control", "no-cache").build();

}

From source file:net.swas.explorer.servlet.ms.GetMSConfig.java

/**
 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
 */// www .  j  a  v  a 2 s . c om
@SuppressWarnings("unchecked")
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    JSONObject messageJson = new JSONObject();

    messageJson.put("action", "readMSConfig");
    this.prod.send(messageJson.toJSONString());

    String revMsg = this.cons.getReceivedMessage(request.getServletContext());
    log.info("Received Message :" + revMsg);
    if (revMsg != null) {

        JSONParser parser = new JSONParser();
        JSONObject revJson = null;
        try {

            revJson = (JSONObject) parser.parse(revMsg);
            request.removeAttribute("msConfig");
            request.setAttribute("msConfig", revJson);

        } catch (ParseException e) {

            e.printStackTrace();

        }

    }

    RequestDispatcher rd = request.getRequestDispatcher("/msConfigForm.jsp");
    rd.forward(request, response);

}

From source file:com.github.cxt.Myjersey.jerseycore.FileResource.java

@Path("put/{path}")
@PUT//from  www .j a v  a2  s.  com
@Consumes(MediaType.APPLICATION_OCTET_STREAM)
@Produces(MediaType.APPLICATION_JSON)
public String putFile(InputStream inputStream, @PathParam("path") String name,
        @Context HttpServletRequest request) throws IOException {
    String path = request.getServletContext().getRealPath("/");
    path += File.separator + "data" + File.separator + name;
    File file = new File(path);
    try {
        FileUtils.copyInputStreamToFile(inputStream, file);
    } catch (IOException ex) {
        ex.printStackTrace();
        return "{\"success\": false}";
    }
    return "{\"success\": true}";
}

From source file:com.arcadian.loginservlet.StudentAssignmentServlet.java

/**
 * Handles the HTTP//  ww  w .  j a  va 2s  .  c  om
 * <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 {

    if (request.getParameter("filename") != null) {
        String fileName = request.getParameter("filename");
        File file = new File(request.getServletContext().getAttribute("FILES_DIR") + File.separator + fileName);
        System.out.println("File location on server::" + file.getAbsolutePath());
        ServletContext ctx = getServletContext();
        InputStream fis = new FileInputStream(file);
        String mimeType = ctx.getMimeType(file.getAbsolutePath());
        System.out.println("mime type=" + mimeType);
        response.setContentType(mimeType != null ? mimeType : "application/octet-stream");
        response.setContentLength((int) file.length());
        response.setHeader("Content-Disposition", "attachment; filename=\"" + fileName + "\"");

        ServletOutputStream os = response.getOutputStream();
        byte[] bufferData = new byte[102400];
        int read = 0;
        while ((read = fis.read(bufferData)) != -1) {
            os.write(bufferData, 0, read);
        }
        os.flush();
        os.close();
        fis.close();
        System.out.println("File downloaded at client successfully");
    }
    processRequest(request, response);
}

From source file:servlets.Handler.java

/**
 * /*from   w w w .  j  av a  2s  .c  o m*/
 * @param request
 * @return 
 */
private Response send_email(HttpServletRequest request) {

    UserDTO user = (UserDTO) request.getSession().getAttribute("user");
    if (user != null) {

        int maxFileSize = 5000 * 1024;
        int maxMemSize = 5000 * 1024;
        ServletContext context = request.getServletContext();
        String contentType = request.getContentType();
        if ((contentType.indexOf("multipart/form-data") >= 0)) {

            String email = "";
            String subject = "";
            try {
                DiskFileItemFactory factory = new DiskFileItemFactory();
                // maximum size that will be stored in memory
                factory.setSizeThreshold(maxMemSize);
                // Location to save data that is larger than maxMemSize.
                factory.setRepository(new File("c:\\temp"));

                ServletFileUpload upload = new ServletFileUpload(factory);
                upload.setSizeMax(maxFileSize);

                List fileItems = upload.parseRequest(request);
                FileItem fi = (FileItem) fileItems.get(0);
                ;

                subject = request.getParameter("subject");
                email = java.net.URLDecoder.decode(request.getParameter("email"), "UTF-8");
                //ARREGLAR ESTOOOOOOOOOOOOOOOOO
                return this.facade.sendEmail(user, subject, email, fi);

            } catch (FileUploadException ex) {
                ex.printStackTrace();
                return ResponseHelper.getResponse(-3, "No se pudo subir el archivo", null);
            } catch (UnsupportedEncodingException ex) {
                ex.printStackTrace();
                System.out.println("email:" + email);
                return ResponseHelper.getResponse(-3, "No se pudo parsear el email", null);
            } catch (Exception ex) {
                ex.printStackTrace();
                return ResponseHelper.getResponse(-3, "No se pudo escribir el archivo en el disco", null);
            }

        } else {
            return ResponseHelper.getResponse(-2, "Cabecera HTTP erronea", null);
        }
    }

    return ResponseHelper.getResponse(-2, "Login is required", null);
}

From source file:utils.GeradorDePDF.java

public void GeraPDF(HttpServletRequest request, HttpServletResponse response)
        throws AlertException, ErrorException {
    try {//w w  w.j  ava2  s  .c  o m
        session = request.getSession();
        int idProjeto = Integer.parseInt("" + (String) session.getAttribute("idProjeto"));
        ProjetoModel modelProj = new ProjetoModel();
        String caminho = request.getServletContext().getRealPath("") + "\\casos_de_uso\\"
                + modelProj.buscar(request).get(0).getImagem();

        String jasper = (request.getContextPath() + "/view/relatorio/teste.jasper");
        String host = "http://" + request.getServerName() + ":" + request.getServerPort();
        URL jasperUrl = new URL(host + jasper);

        HashedMap params = new HashedMap();

        BufferedImage image = ImageIO.read(new FileInputStream(caminho));

        // tem que ser maiusculo o parametro, porque la no xml do ireport eh maiusculo tambem
        params.put("IMAGEM", image);
        params.put("idProjeto", idProjeto);

        byte[] bytes = JasperRunManager.runReportToPdf(jasperUrl.openStream(), params, super.conn);
        if (bytes != null) {
            response.setContentType("application/pdf");
            OutputStream ops = null;
            ops = response.getOutputStream();
            ops.write(bytes);
        }
    } catch (FilterCreationException ex) {
        throw new AlertException(ex.getMessage());
    } catch (Exception ex) {
        throw new ErrorException();
    }

}