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:com.thinkberg.webdav.PutHandler.java

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

    try {/*from  ww  w . j  av a2 s  . c o m*/
        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;
    }
    // it is forbidden to write data on a folder
    if (object.exists() && FileType.FOLDER.equals(object.getType())) {
        response.sendError(HttpServletResponse.SC_FORBIDDEN);
        return;
    }

    FileObject parent = object.getParent();
    if (!parent.exists()) {
        response.sendError(HttpServletResponse.SC_FORBIDDEN);
        return;
    }

    if (!FileType.FOLDER.equals(parent.getType())) {
        response.sendError(HttpServletResponse.SC_CONFLICT);
        return;
    }

    InputStream is = request.getInputStream();
    OutputStream os = object.getContent().getOutputStream();
    long bytesCopied = Util.copyStream(is, os);
    String contentLengthHeader = request.getHeader("Content-length");
    LOG.debug(String.format("sent %d/%s bytes", bytesCopied,
            contentLengthHeader == null ? "unknown" : contentLengthHeader));
    os.flush();
    object.close();

    response.setStatus(HttpServletResponse.SC_CREATED);
}

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From source file:com.mirth.connect.server.servlets.ChannelStatusServlet.java

public void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    // MIRTH-1745
    response.setCharacterEncoding("UTF-8");

    if (!isUserLoggedIn(request)) {
        response.sendError(HttpServletResponse.SC_FORBIDDEN);
    } else {// w w w.  java2  s.c  o  m
        try {
            ChannelStatusController channelStatusController = ControllerFactory.getFactory()
                    .createChannelStatusController();
            ObjectXMLSerializer serializer = new ObjectXMLSerializer();
            PrintWriter out = response.getWriter();
            Operation operation = Operations.getOperation(request.getParameter("op"));
            String channelId = request.getParameter("id");
            Map<String, Object> parameterMap = new HashMap<String, Object>();
            parameterMap.put("channelId", channelId);

            if (operation.equals(Operations.CHANNEL_START)) {
                if (!isUserAuthorized(request, parameterMap)) {
                    response.sendError(HttpServletResponse.SC_UNAUTHORIZED);
                } else {
                    channelStatusController.startChannel(channelId);
                }
            } else if (operation.equals(Operations.CHANNEL_STOP)) {
                if (!isUserAuthorized(request, parameterMap)) {
                    response.sendError(HttpServletResponse.SC_UNAUTHORIZED);
                } else {
                    channelStatusController.stopChannel(channelId);
                }
            } else if (operation.equals(Operations.CHANNEL_PAUSE)) {
                if (!isUserAuthorized(request, parameterMap)) {
                    response.sendError(HttpServletResponse.SC_UNAUTHORIZED);
                } else {
                    channelStatusController.pauseChannel(channelId);
                }
            } else if (operation.equals(Operations.CHANNEL_RESUME)) {
                if (!isUserAuthorized(request, parameterMap)) {
                    response.sendError(HttpServletResponse.SC_UNAUTHORIZED);
                } else {
                    channelStatusController.resumeChannel(channelId);
                }
            } else if (operation.equals(Operations.CHANNEL_GET_STATUS)) {
                response.setContentType(APPLICATION_XML);
                List<ChannelStatus> channelStatuses = null;

                if (!isUserAuthorized(request, null)) {
                    channelStatuses = new ArrayList<ChannelStatus>();
                } else if (doesUserHaveChannelRestrictions(request)) {
                    channelStatuses = redactChannelStatuses(request,
                            channelStatusController.getChannelStatusList());
                } else {
                    channelStatuses = channelStatusController.getChannelStatusList();
                }

                serializer.toXML(channelStatuses, out);
            }
        } catch (RuntimeIOException rio) {
            logger.debug(rio);
        } catch (Throwable t) {
            logger.error(ExceptionUtils.getStackTrace(t));
            throw new ServletException(t);
        }
    }
}

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From source file:org.geoserver.ows.AbstractURLPublisher.java

protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response)
        throws Exception {
    URL url = getUrl(request);//from  www.j a  v  a  2s. c o  m

    // if not found return a 404
    if (url == null) {
        response.sendError(HttpServletResponse.SC_NOT_FOUND);
        return null;
    }

    File file = DataUtilities.urlToFile(url);
    if (file != null && file.exists() && file.isDirectory()) {
        String uri = request.getRequestURI().toString();
        uri += uri.endsWith("/") ? "index.html" : "/index.html";

        response.addHeader("Location", uri);
        response.sendError(HttpServletResponse.SC_MOVED_TEMPORARILY);

        return null;
    }

    // set the mime if known by the servlet container, set nothing otherwise
    // (Tomcat behaves like this when it does not recognize the file format)
    String mime = getServletContext().getMimeType(new File(url.getFile()).getName());
    if (mime != null) {
        response.setContentType(mime);
    }

    // set the content length and content type
    URLConnection connection = null;
    InputStream input = null;
    try {
        connection = url.openConnection();
        long length = connection.getContentLength();
        if (length > 0 && length <= Integer.MAX_VALUE) {
            response.setContentLength((int) length);
        }

        long lastModified = connection.getLastModified();
        if (lastModified > 0) {
            SimpleDateFormat format = new SimpleDateFormat("EEE, d MMM yyyy HH:mm:ss", Locale.ENGLISH);
            format.setTimeZone(TimeZone.getTimeZone("GMT"));
            String formatted = format.format(new Date(lastModified)) + " GMT";
            response.setHeader("Last-Modified", formatted);
        }

        // Guessing the charset (and closing the stream)
        EncodingInfo encInfo = null;
        OutputStream output = null;
        final byte[] b4 = new byte[4];
        int count = 0;
        // open the output
        input = connection.getInputStream();

        // Read the first four bytes, and determine charset encoding
        count = input.read(b4);
        encInfo = XmlCharsetDetector.getEncodingName(b4, count);
        response.setCharacterEncoding(encInfo.getEncoding() != null ? encInfo.getEncoding() : "UTF-8");

        // send out the first four bytes read
        output = response.getOutputStream();
        output.write(b4, 0, count);

        // copy the content to the output
        byte[] buffer = new byte[8192];
        int n = -1;
        while ((n = input.read(buffer)) != -1) {
            output.write(buffer, 0, n);
        }
    } finally {
        if (input != null)
            input.close();
    }

    return null;
}

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From source file:edu.internet2.middleware.shibboleth.idp.StatusServlet.java

/** {@inheritDoc} */
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    if (!isAuthenticated(request)) {
        response.sendError(HttpStatus.SC_UNAUTHORIZED);
        return;/*from   w  w w  . j  a v a  2s.c  o  m*/
    }

    response.setContentType("text/plain");
    PrintWriter output = response.getWriter();

    printOperatingEnvironmentInformation(output);
    output.println();
    printIdPInformation(output);
    output.println();
    printRelyingPartyConfigurationsInformation(output, request.getParameter("relyingParty"));

    output.flush();
}

---

From source file:org.magnum.mobilecloud.video.VideoServiceCtrl.java

@RequestMapping(value = VideoSvcApi.VIDEO_SVC_PATH + "/{id}/like", method = RequestMethod.POST)
@ResponseStatus(HttpStatus.OK)//  w  w w  . ja va 2  s .  co m
public @ResponseBody void likeVideo(@PathVariable("id") long id, HttpServletResponse response, Principal user)
        throws IOException {

    if (!videos.exists(id)) {
        response.sendError(404);
        return;
    }
    String username = user.getName();
    Video v = videos.findOne(id);
    Set<String> likesUsernames = v.getLikesUsernames();
    List<String> happyUsers = v.getLikedVideo();
    // Checks if the user has already liked the video.
    if (likesUsernames.contains(username)) {
        response.sendError(400);
        return;
    } else {
        long likes = v.getLikes();
        v.setLikes(++likes);
        v.getLikesUsernames().add(username);
    }
    if (!happyUsers.contains(username)) {
        happyUsers.add(username);
        v.setLikedVideo(happyUsers);
    }
    videos.save(v);
}

---

From source file:org.magnum.mobilecloud.video.VideoServiceCtrl.java

@RequestMapping(value = VideoSvcApi.VIDEO_SVC_PATH + "/{id}/unlike", method = RequestMethod.POST)
@ResponseStatus(HttpStatus.OK)//from   ww  w  . j  a  v a 2 s.c o  m
public @ResponseBody void unlikeVideo(@PathVariable("id") long id, HttpServletResponse response, Principal user)
        throws IOException {

    if (!videos.exists(id)) {
        response.sendError(404);
        return;
    }
    String username = user.getName();
    Video v = videos.findOne(id);
    Set<String> unlikesUsernames = v.getUnlikesUsernames();
    List<String> happyUsers = v.getLikedVideo();
    // Checks if the user has already liked the video.
    if (unlikesUsernames.contains(username)) {
        response.sendError(400);
        return;
    } else {
        long likes = v.getLikes();
        v.setLikes(--likes);
        v.getUnlikesUsernames().add(username);
    }
    if (happyUsers.contains(username)) {
        happyUsers.remove(username);
        v.setLikedVideo(happyUsers);
    }
    videos.save(v);
}

---

From source file:com.haulmont.cuba.core.controllers.LogDownloadController.java

protected UserSession getSession(String sessionId, HttpServletResponse response) throws IOException {
    UUID sessionUUID;//from   www .  j ava2  s. c  o m
    try {
        sessionUUID = UUID.fromString(sessionId);
    } catch (Exception e) {
        log.error("Error parsing sessionId from URL param", e);
        response.sendError(HttpServletResponse.SC_BAD_REQUEST);
        return null;
    }

    UserSession session = userSessions.getAndRefresh(sessionUUID);
    if (session == null)
        response.sendError(HttpServletResponse.SC_FORBIDDEN);

    return session;
}

---

From source file:com.haulmont.cuba.core.controllers.FileUploadController.java

private UserSession getSession(HttpServletRequest request, HttpServletResponse response) throws IOException {
    UUID sessionId;//from   www .  j a v  a  2 s.  co  m
    try {
        sessionId = UUID.fromString(request.getParameter("s"));
    } catch (Exception e) {
        log.error("Error parsing sessionId from URL param", e);
        response.sendError(HttpServletResponse.SC_BAD_REQUEST);
        return null;
    }
    UserSession session = userSessions.getAndRefresh(sessionId);
    if (session == null)
        response.sendError(HttpServletResponse.SC_FORBIDDEN);
    return session;
}

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From source file:com.sesnu.orion.web.controller.PaymentController.java

@RequestMapping(value = "/api/user/pay", method = RequestMethod.PUT)
public @ResponseBody List<PayView> updateItem(HttpServletResponse response, @RequestBody Payment pay)
        throws Exception {

    if (payDao.get(pay.getId()) == null) {
        response.sendError(400);
        return null;
    }/*from   w  w  w  .  j a v a2  s .com*/

    if (pay.getStatus().equals("Approved")) {
        response.sendError(400, Util.parseError("Payment is approved, it can not be deleted"));
        return null;
    }

    pay.setUpdatedOn(Util.parseDate(new Date(), "/"));
    payDao.saveOrUpdate(pay);

    List<PayView> Payments = payDao.listByOrderRef(pay.getOrderRef());
    if (Payments.size() > 0) {
        return Payments;
    }
    response.sendError(404);
    return null;

}

---

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

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

    response.sendError(response.SC_NOT_FOUND);
}

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