Example usage for javax.servlet.http HttpServletResponse sendError

Introduction

In this page you can find the example usage for javax.servlet.http HttpServletResponse sendError.

Prototype

public void sendError(int sc) throws IOException;

Source Link

Document

Sends an error response to the client using the specified status code and clears the buffer.

Usage

From source file:fr.aliasource.webmail.server.DownloadEmlImpl.java

protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    IAccount account = (IAccount) req.getSession().getAttribute("account");

    if (account == null) {
        resp.sendError(HttpServletResponse.SC_FORBIDDEN);
        return;//from  w ww  .j a  v a2 s .  c  o m
    }

    String emlId = req.getParameter("emlId");
    String folderName = req.getParameter("folderName");

    logger.info("[" + account.getLogin() + "] " + "download eml with id: " + emlId);

    InputStream in = account.downloadEml(folderName, emlId);

    resp.setHeader("Content-Disposition", "application/force-download; filename=\"email.eml\"");
    resp.setHeader("Content-Transfer-Encoding", "binary");
    resp.setHeader("Content-Type", "application/force-download; name=\"email.eml\"");
    OutputStream out = resp.getOutputStream();
    int size = transfer(in, out, true);
    resp.setHeader("Content-Length", "" + size);
}

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From source file:org.magnum.dataup.CopyOfMyVideoController.java

@RequestMapping(value = "/video/{id}/data", method = RequestMethod.GET)
@Streaming/*from   w ww. j a  va  2s .  com*/
Response getData(Long id, HttpServletResponse response) throws IOException {
    System.out.println("getData() id - " + id);
    if (id < 1 || id > no_ids) {
        response.sendError(404);
        return null;
    }
    Video v = videos.get((int) (id - 1));
    if (v == null)
        response.sendError(404);

    VideoFileManager vfm = VideoFileManager.get();

    vfm.copyVideoData(v, response.getOutputStream());

    return null;
}

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From source file:eu.creatingfuture.propeller.webLoader.servlets.WebRequestServlet.java

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    resp.addHeader("Access-Control-Allow-Origin", "*");
    String getUrl = req.getParameter("get");
    if (getUrl == null) {
        resp.sendError(400);
        return;/*from w ww .  j  a  v  a2  s. c  om*/
    }
    logger.info(getUrl);
    URL url;
    HttpURLConnection connection = null;
    try {
        url = new URL(getUrl);
        connection = (HttpURLConnection) url.openConnection();
        connection.setRequestMethod("GET");
        connection.setUseCaches(false);

        resp.setContentType(connection.getContentType());
        resp.setContentLengthLong(connection.getContentLengthLong());
        logger.log(Level.INFO, "Content length: {0} response code: {1} content type: {2}", new Object[] {
                connection.getContentLengthLong(), connection.getResponseCode(), connection.getContentType() });
        resp.setStatus(connection.getResponseCode());
        IOUtils.copy(connection.getInputStream(), resp.getOutputStream());
    } catch (IOException ioe) {
        resp.sendError(500, ioe.getMessage());
    } finally {
        if (connection != null) {
            connection.disconnect();
        }
    }
}

---

From source file:co.edu.UNal.ArquitecturaDeSoftware.Bienestar.Vista.Cuenta.VisRegistro.java

/**
 * Handles the HTTP <code>GET</code> method.
 *
 * @param request servlet request/*from   w w w. ja v  a 2 s. c  o  m*/
 * @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 {
    //DO NOTHING
    System.out.print("Warning!: acceso por get: " + request);
    response.sendError(401);
}

---

From source file:com.antonjohansson.managementcenter.core.web.VaadinResourcesServlet.java

@Override
protected void service(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    String name = getRequestURI(request);
    Optional<URL> resource = getResource(name);

    if (!resource.isPresent()) {
        response.sendError(SC_NOT_FOUND);
        return;//from   ww w  .  j  a v a  2s . c o m
    }

    try (InputStream input = resource.get().openStream(); OutputStream output = response.getOutputStream()) {
        copy(input, output);
    }
}

---

From source file:com.rhythm.louie.info.DownloadServlet.java

private void downloadFile(HttpServletRequest request, HttpServletResponse response, String filePath)
        throws IOException {
    if (filePath.isEmpty()) {
        response.sendError(HttpServletResponse.SC_NOT_FOUND);
        return;/*w  w  w .ja  v  a 2 s . co m*/
    }
    File file = new File(filePath);
    int length = 0;
    try (ServletOutputStream outStream = response.getOutputStream()) {
        ServletContext context = getServletConfig().getServletContext();

        String mimetype = context.getMimeType(filePath);

        // sets response content type
        if (mimetype == null) {
            mimetype = "application/octet-stream";
        }
        response.setContentType(mimetype);
        response.setContentLength((int) file.length());
        String fileName = (new File(filePath)).getName();

        // sets HTTP header
        response.setHeader("Content-Disposition", "attachment; filename=\"" + fileName + "\"");

        byte[] byteBuffer = new byte[4096];
        // reads the file's bytes and writes them to the response stream
        try (DataInputStream in = new DataInputStream(new FileInputStream(file))) {
            // reads the file's bytes and writes them to the response stream
            while ((in != null) && ((length = in.read(byteBuffer)) != -1)) {
                outStream.write(byteBuffer, 0, length);
            }
        }
    }
}

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From source file:com.carolinarollergirls.scoreboard.jetty.StreamServlet.java

protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    super.doGet(request, response);

    if (request.getPathInfo().equals("/list"))
        list(request, response);//from www . j  a  v a 2s  .  com
    else
        response.sendError(HttpServletResponse.SC_NOT_FOUND);
}

---

From source file:com.thinkberg.webdav.GetHandler.java

public void service(HttpServletRequest request, HttpServletResponse response) throws IOException {
    FileObject object = VFSBackend.resolveFile(request.getPathInfo());

    if (object.exists()) {
        if (FileType.FOLDER.equals(object.getType())) {
            response.sendError(HttpServletResponse.SC_FORBIDDEN);
            return;
        }//w w w  .  jav  a2s .c om

        setHeader(response, object.getContent());

        InputStream is = object.getContent().getInputStream();
        OutputStream os = response.getOutputStream();
        Util.copyStream(is, os);
        is.close();
    } else {
        response.sendError(HttpServletResponse.SC_NOT_FOUND);
    }
}

---

From source file:uk.org.iay.mdq.server.ResultTextView.java

@Override
public void render(final Map<String, ?> model, final HttpServletRequest request,
        final HttpServletResponse response) throws Exception {

    log.debug("rendering as {}", getContentType());
    final Result result = (Result) model.get("result");

    if (result.isNotFound()) {
        response.sendError(HttpServletResponse.SC_NOT_FOUND);
        return;//  ww  w . ja  v  a2  s  .c  o  m
    }

    OutputStream out = response.getOutputStream();

    response.setContentType(new MediaType("text", "plain", Charset.forName("UTF-8")).toString());
    final Writer w = new OutputStreamWriter(out, Charset.forName("UTF-8"));

    final Representation norm = result.getRepresentation();
    final byte[] bytes = norm.getBytes();
    w.write("Query result is:\n");
    w.write("   " + bytes.length + " bytes\n");
    w.write("   ETag is " + norm.getETag() + "\n");
    w.write("\n");
    w.write(new String(bytes, Charset.forName("UTF-8")));
}

---

From source file:com.thinkberg.webdav.MkColHandler.java

public void service(HttpServletRequest request, HttpServletResponse response) throws IOException {
    BufferedReader bufferedReader = request.getReader();
    String line = bufferedReader.readLine();
    if (line != null) {
        response.sendError(HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE);
        return;//ww w  .  j  a  v  a2 s.co m
    }

    FileObject object = VFSBackend.resolveFile(request.getPathInfo());

    try {
        if (!LockManager.getInstance().evaluateCondition(object, getIf(request)).result) {
            response.sendError(HttpServletResponse.SC_PRECONDITION_FAILED);
            return;
        }
    } catch (LockException e) {
        response.sendError(SC_LOCKED);
        return;
    } catch (ParseException e) {
        response.sendError(HttpServletResponse.SC_PRECONDITION_FAILED);
        return;
    }

    if (object.exists()) {
        response.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
        return;
    }

    if (!object.getParent().exists() || !FileType.FOLDER.equals(object.getParent().getType())) {
        response.sendError(HttpServletResponse.SC_CONFLICT);
        return;
    }

    try {
        object.createFolder();
        response.setStatus(HttpServletResponse.SC_CREATED);
    } catch (FileSystemException e) {
        response.sendError(HttpServletResponse.SC_FORBIDDEN);
    }
}

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