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, String msg) throws IOException;

Source Link

Document

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

Usage

From source file:be.fedict.eid.dss.admin.portal.AccountingExportServlet.java

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    LOG.debug("doGet");

    HttpSession httpSession = request.getSession();
    Identity identity = (Identity) httpSession.getAttribute("org.jboss.seam.security.identity");
    if (false == identity.hasRole("admin")) {
        response.sendError(HttpURLConnection.HTTP_FORBIDDEN, "no admin role");
        return;//from   w ww  . jav a  2s . co  m
    }

    response.setContentType("text/csv");
    PrintWriter printWriter = response.getWriter();
    List<AccountingEntity> accountingEntities = this.accountingService.listAll();
    for (AccountingEntity accountingEntity : accountingEntities) {
        printWriter.print("\"");
        printWriter.print(accountingEntity.getDomain());
        printWriter.print("\",\"");
        printWriter.print(accountingEntity.getRequests());
        printWriter.println("\"");
    }
}

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From source file:common.web.servlets.StaticFilesServlet.java

/** 
 * Handles the HTTP <code>GET</code> method.
 * @param request servlet request/*from w  ww.  j  a 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 {
    String name = getResourceName(request.getPathInfo());

    if (name == null) {
        response.sendError(HttpServletResponse.SC_NOT_FOUND, "Not Found");
        return;
    }

    File file = new File(realPath, name);

    if (!file.exists()) {
        response.sendError(HttpServletResponse.SC_NOT_FOUND, "Not Found");
        return;
    }

    //delete after testing
    //synchronized(semaphore){
    long time = System.nanoTime();
    if (logger.isDebugEnabled()) {
        logger.debug("get resource=" + name);
        logger.debug("get file=" + file.getAbsolutePath());
    }
    OutputStream os = response.getOutputStream();
    //if (useNew){
    //   FileUtils.loadFromFileNew(file, os);
    //} else {
    FileUtils.loadFromFileOld(file, os);
    //}
    os.flush();
    os.close();

    time = System.nanoTime() - time;
    //if (useNew){
    //logger.info("proceed time new = "+time+"; avg = "+(servTimeNew/servQuantityNew)+"; count="+servQuantityNew+"; size = "+servSizeNew);
    //   newStat.increaseCount();
    //   newStat.increaseSize(file.length());
    //   newStat.increaseTime(time);
    //   useNew = false;
    //} else {
    //logger.info("proceed time old = "+time+"; avg = "+(servTimeOld/servQuantityOld)+"; count="+servQuantityOld+"; size = "+servSizeOld);
    oldStat.increaseCount();
    oldStat.increaseSize(file.length());
    oldStat.increaseTime(time);
    //   useNew = true;
    //}
    //}
}

---

From source file:com.ppcxy.cyfm.showcase.demos.web.RemoteContentServlet.java

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    // ?URL/*from  w w w.j  a  v a2  s  .c  o  m*/
    String contentUrl = request.getParameter("contentUrl");
    if (StringUtils.isBlank(contentUrl)) {
        response.sendError(HttpServletResponse.SC_BAD_REQUEST, "contentUrl parameter is required.");
    }

    // ?HttpClientJDK ??URL
    String client = request.getParameter("client");
    if ("apache".equals(client)) {
        fetchContentByApacheHttpClient(response, contentUrl);
    } else {
        fetchContentByJDKConnection(response, contentUrl);
    }
}

---

From source file:com.sampullara.findmyiphone.FindMyDevice.java

@Override
protected void doGet(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse)
        throws ServletException, IOException {
    String username = httpServletRequest.getParameter("username");
    String password = httpServletRequest.getParameter("password");
    if (username == null || password == null) {
        httpServletResponse.sendError(400, "You must specify a MobileMe username and password");
        return;/*from   w w  w  .jav  a 2 s .  c om*/
    }

    httpServletResponse.setContentType("application/json");
    writeDeviceLocations(httpServletResponse.getWriter(), username, password);
}

---

From source file:com.cognitivabrasil.repositorio.web.FileController.java

@RequestMapping(value = "/{id}", method = RequestMethod.GET)
public void getFile(@PathVariable("id") int id, HttpServletResponse response) throws IOException {
    Files f = fileService.get(id);
    if (f == null) {
        response.sendError(HttpServletResponse.SC_GONE, "O arquivo solicitado no foi encontrado.");
    } else {// w ww.  ja v  a  2s .  co m
        String fileName = f.getLocation();

        try {
            // get your file as InputStream
            InputStream is = new FileInputStream(new File(fileName));

            response.setHeader("Content-Disposition", "attachment; filename=" + f.getName());
            response.setContentType(f.getContentType());
            // copy it to response's OutputStream
            IOUtils.copy(is, response.getOutputStream());

            response.flushBuffer();

        } catch (FileNotFoundException fe) {
            response.sendError(HttpServletResponse.SC_GONE, "O arquivo solicitado no foi encontrado.");
            LOG.error("O arquivo solicitado no foi encontrado.", fe);
        } catch (IOException ex) {
            LOG.error("Error writing file to output stream. Filename was '" + fileName + "'");
            throw ex;
        }
    }
}

---

From source file:org.tangram.components.spring.DefaultController.java

@RequestMapping(value = "/id_{id}/view_{view}")
public ModelAndView render(@PathVariable("id") String id, @PathVariable("view") String view,
        HttpServletRequest request, HttpServletResponse response) {
    try {/*from   www.  j  a  va2  s  .co  m*/
        Utils.setPrimaryBrowserLanguageForJstl(request);
        LOG.debug("render() id={} view={}", id, view);
        Content content = beanFactory.getBean(id);
        LOG.debug("render() content={}", content);
        if (content == null) {
            response.sendError(HttpServletResponse.SC_NOT_FOUND,
                    "no content with id " + id + " in repository.");
            return null;
        } // if
        Map<String, Object> model = createModel(new TargetDescriptor(content, view, null), request, response);
        ViewContext viewContext = viewContextFactory.createViewContext(model, view);
        return SpringViewUtilities.createModelAndView(viewContext);
    } catch (Exception e) {
        ViewContext viewContext = viewContextFactory.createViewContext(e, request, response);
        return SpringViewUtilities.createModelAndView(viewContext);
    } // try/catch
}

---

From source file:com.bigdata.rockstor.console.UploadServlet.java

@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

    if (!ServletFileUpload.isMultipartContent(req)) {
        LOG.error("It is not a MultipartContent, return error.");
        resp.sendError(500, "It is not a MultipartContent, return error.");
        return;// w  ww .j a  va2  s  .  c o  m
    }

    FileItemFactory factory = new DiskFileItemFactory();
    ServletFileUpload upload = new ServletFileUpload(factory);
    upload.setFileSizeMax(1024 * 1024 * 512);
    List<FileItem> fileItems = null;
    try {
        fileItems = upload.parseRequest(req);
        LOG.info("parse requeset success : items num : " + fileItems.size());
    } catch (FileUploadException e) {
        LOG.error("parse requeset failed !");
        resp.sendError(500, "parse requeset failed !");
        return;
    }

    HashMap<String, String> headMap = new HashMap<String, String>();
    FileItem theFile = null;
    long size = -1;
    URI uri = null;

    Iterator<FileItem> iter = fileItems.iterator();
    while (iter.hasNext()) {
        FileItem item = (FileItem) iter.next();

        if (item.isFormField()) {
            String name = item.getFieldName();
            String value = null;
            try {
                value = item.getString("UTF-8").trim();
            } catch (UnsupportedEncodingException e1) {
                e1.printStackTrace();
            }
            LOG.info("Parse head info : " + name + " -- " + value);
            if (name.equals("ObjName")) {
                try {
                    uri = new URI(value);
                } catch (URISyntaxException e) {
                    LOG.info("Parse uri info error : " + value);
                    uri = null;
                }
            } else if (name.equals("ObjSize")) {
                try {
                    size = Long.parseLong(value);
                } catch (Exception e) {
                    LOG.error("Parse objSize error : " + value);
                }
            } else {
                headMap.put(name, value);
            }
        } else {
            theFile = item;
        }
    }

    if (size == -1 || uri == null || theFile == null || headMap.size() == 0) {
        LOG.error("Parse upload info error : size==-1 || uri == null || theFile == null || headMap.size()==0");
        resp.sendError(500,
                "Parse upload info error : size==-1 || uri == null || theFile == null || headMap.size()==0");
        return;
    }

    HttpPut put = new HttpPut();
    put.setURI(uri);
    for (Map.Entry<String, String> e : headMap.entrySet()) {
        if ("Filename".equals(e.getKey()))
            continue;
        put.setHeader(e.getKey(), e.getValue());
    }
    put.setEntity(new InputStreamEntity(theFile.getInputStream(), size));
    DefaultHttpClient client = new DefaultHttpClient();
    HttpResponse response = client.execute(put);
    if (200 != response.getStatusLine().getStatusCode()) {
        LOG.error("Put object error : " + response.getStatusLine().getStatusCode() + " : "
                + response.getStatusLine().getReasonPhrase());
        resp.sendError(response.getStatusLine().getStatusCode(), response.getStatusLine().getReasonPhrase());
        return;
    }
    LOG.info("Put object OK : " + uri);
    response.setStatusCode(200);
}

---

From source file:fr.treeptik.cloudunit.config.Http401EntryPoint.java

public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException arg)
        throws IOException, ServletException {

    // Maybe change the log level...
    log.warn("Access Denied [ " + request.getRequestURL().toString() + "] : " + arg.getMessage());

    // Trace message to ban intruders with fail2ban
    //generateLogTraceForFail2ban();

    response.sendError(HttpServletResponse.SC_UNAUTHORIZED, "Access unauthorized");
}

---

From source file:org.loklak.api.server.GeocodeServlet.java

@SuppressWarnings("unchecked")
@Override/*from w ww .  j  ava2  s  .c  o m*/
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    RemoteAccess.Post post = RemoteAccess.evaluate(request);

    // manage DoS
    if (post.isDoS_blackout()) {
        response.sendError(503, "your request frequency is too high");
        return;
    }

    // parameters
    String callback = post.get("callback", "");
    boolean jsonp = callback != null && callback.length() > 0;
    boolean minified = post.get("minified", false);
    String data = post.get("data", "");
    String places = post.get("places", "");
    if (places.length() == 0 && data.length() == 0) {
        response.sendError(503,
                "you must submit a data attribut with a json containing the property 'places' with a list of place names");
        return;
    }

    String[] place = new String[0];
    if (places.length() > 0) {
        place = places.split(",");
    } else {
        // parse the json data
        try {
            Map<String, Object> map = DAO.jsonMapper.readValue(data, DAO.jsonTypeRef);
            Object places_obj = map.get("places");
            if (places_obj instanceof List<?>) {
                List<Object> p = (List<Object>) places_obj;
                place = new String[p.size()];
                int i = 0;
                for (Object o : p)
                    place[i++] = (String) o;
            } else {
                response.sendError(400, "submitted data is not well-formed: expected a list of strings");
                return;
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    // find locations for places
    Map<String, Object> locations = new LinkedHashMap<>();
    for (String p : place) {
        GeoMark loc = DAO.geoNames.analyse(p, null, 5, Long.toString(System.currentTimeMillis()));
        Map<String, Object> location = new LinkedHashMap<>();
        if (loc != null) {
            location.put("place",
                    minified ? new String[] { loc.getNames().iterator().next() } : loc.getNames());
            location.put("population", loc.getPopulation());
            location.put("country_code", loc.getISO3166cc());
            location.put("country", DAO.geoNames.getCountryName(loc.getISO3166cc()));
            location.put("location", new double[] { loc.lon(), loc.lat() });
            location.put("mark", new double[] { loc.mlon(), loc.mlat() });
        }
        locations.put(p, location);
    }

    post.setResponse(response, "application/javascript");

    // generate json
    Map<String, Object> m = new LinkedHashMap<>();
    m.put("locations", locations);

    // write json
    response.setCharacterEncoding("UTF-8");
    PrintWriter sos = response.getWriter();
    if (jsonp)
        sos.print(callback + "(");
    sos.print((minified ? new ObjectMapper().writer() : new ObjectMapper().writerWithDefaultPrettyPrinter())
            .writeValueAsString(m));
    if (jsonp)
        sos.println(");");
    sos.println();
    post.finalize();
}

---

From source file:com.matthewcasperson.validation.filter.ParameterValidationFilter.java

/**
 * Return with a status code of 400//from ww w  . java 2  s .co  m
 * @param response The servlet request
 */
private void respondWithBadRequest(final ServletResponse response) {
    checkNotNull(response);

    /*
     * This is thrown when one of the validation rules determined that a parameter was
     * sent with invalid data and could not, or should not, be sanitised.
     */
    if (response instanceof HttpServletResponse) {
        try {
            final HttpServletResponse httpServletResponse = (HttpServletResponse) response;
            httpServletResponse.sendError(HttpServletResponse.SC_BAD_REQUEST, "Invalid parameter data");
        } catch (final IOException ex) {
            /*
             * This shouldn't happen, but log it if it does
             */
            LOGGER.log(Level.SEVERE, ExceptionUtils.getFullStackTrace(ex));
        }
    }
}

---

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