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:com.cradiator.TeamCityStatusPlugin.BuildMonitorController.java

protected ModelAndView doHandle(HttpServletRequest request, HttpServletResponse response) throws Exception {

    if (requestHasParameter(request, PROJECT_ID))
        return showProject(request.getParameter(PROJECT_ID), response);
    else if (requestHasParameter(request, BUILD_TYPE_ID))
        return showBuild(request.getParameter(BUILD_TYPE_ID), response);
    else {// w w  w  .  j  a  v  a 2s  .  c  om
        response.sendError(HttpServletResponse.SC_BAD_REQUEST, "no project id or buildTypeId specified");
        return null;
    }
}

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From source file:gsn.http.AddressingReqHandler.java

public boolean isValid(HttpServletRequest request, HttpServletResponse response) throws IOException {
    String vsName = request.getParameter("name");

    //Added by Behnaz
    HttpSession session = request.getSession();
    User user = (User) session.getAttribute("user");

    if (vsName == null || vsName.trim().length() == 0) {
        response.sendError(WebConstants.MISSING_VSNAME_ERROR, "The virtual sensor name is missing");
        return false;
    }// w ww . ja  v  a  2  s .co m
    VSensorConfig sensorConfig = Mappings.getVSensorConfig(vsName);
    if (sensorConfig == null) {
        response.sendError(WebConstants.ERROR_INVALID_VSNAME, "The specified virtual sensor doesn't exist.");
        return false;
    }

    //Added by Behnaz.
    if (Main.getContainerConfig().isAcEnabled() == true) {
        if (user != null) // meaning, that a login session is active, otherwise we couldn't get there
            if (user.hasReadAccessRight(vsName) == false && user.isAdmin() == false) // ACCESS_DENIED
            {
                response.sendError(WebConstants.ACCESS_DENIED,
                        "Access denied to the specified virtual sensor .");
                return false;
            }

    }
    return true;
}

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From source file:com.gst.infrastructure.security.service.CustomAuthenticationFailureHandler.java

/**
 * Performs the redirect or forward to the {@code defaultFailureUrl} if set,
 * otherwise returns a 401 error code.// www.  j a  v  a  2 s .  com
 * <p>
 * If redirecting or forwarding, {@code saveException} will be called to
 * cache the exception for use in the target view.
 */
@Override
public void onAuthenticationFailure(final HttpServletRequest request, final HttpServletResponse response,
        final AuthenticationException exception) throws IOException, ServletException {

    if (this.defaultFailureUrl == null) {
        this.logger.debug("No failure URL set, sending 401 Unauthorized error");

        response.sendError(HttpServletResponse.SC_UNAUTHORIZED,
                "Authentication Failed: " + exception.getMessage());
    } else {
        saveException(request, exception);

        if (this.forwardToDestination) {
            this.logger.debug("Forwarding to " + this.defaultFailureUrl);

            request.getRequestDispatcher(this.defaultFailureUrl).forward(request, response);
        } else {
            this.logger.debug("Redirecting to " + this.defaultFailureUrl);

            final String oauthToken = request.getParameter("oauth_token");
            request.setAttribute("oauth_token", oauthToken);
            final String url = this.defaultFailureUrl + "?oauth_token=" + oauthToken;
            this.redirectStrategy.sendRedirect(request, response, url);
        }
    }
}

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

/**
 * POST /video/*from  ww  w.  j a  v  a  2  s.c  o m*/
 * 
 * The video metadata is provided as an application/json request
 * body. The JSON should generate a valid instance of the 
 * Video class when deserialized by Spring's default 
 * Jackson library.
 * 
 * Returns the JSON representation of the Video object that
 * was stored along with any updates to that object made by the server.
 * @param video
 * @return
 * @throws IOException 
 */
@RequestMapping(value = VIDEO_SVC_PATH, method = RequestMethod.POST)
public @ResponseBody Video addVideo(@RequestBody Video v, HttpServletResponse response) throws IOException {

    try {
        save(v);
        v.setDataUrl(getDataUrl(v.getId()));
        return v;
    } catch (Throwable e) {
        response.sendError(404, ERROR_MSG);
        return v;
    }

}

---

From source file:com.lushapp.common.web.servlet.RemoteContentServlet.java

@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    // ??// www  .  ja  va 2s.c o  m
    String contentUrl = request.getParameter("contentUrl");
    if (StringUtils.isBlank(contentUrl)) {
        response.sendError(HttpServletResponse.SC_BAD_REQUEST, "contentUrl parameter is required.");
    }

    // ??
    String client = request.getParameter("client");

    InputStream input = null;
    if ("apache".equals(client)) {
        // Apache HttpClient
        fetchContentByApacheHttpClient(response, contentUrl);
    } else {
        // JDK HttpUrlConnection
        fetchContentByJDKConnection(response, contentUrl);
    }
}

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From source file:cz.incad.kramerius.client.CacheServlet.java

private void loadFromFile(HttpServletRequest req, HttpServletResponse resp) throws IOException {

    try {//w  ww. java 2 s  .c o  m
        String filename = getPath() + req.getParameter("f");
        File f = new File(filename);
        resp.getWriter().write(FileUtils.readFileToString(f, "UTF-8"));
    } catch (IOException e) {
        LOGGER.log(Level.SEVERE, e.getMessage(), e);
        resp.sendError(HttpServletResponse.SC_BAD_REQUEST, "Could not load file: " + e.toString());
    }
}

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From source file:annis.gui.servlets.ResourceServlet.java

@Override
@SuppressWarnings("unchecked")
public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    OutputStream outStream = response.getOutputStream();

    String completePath = request.getPathInfo();

    if (completePath == null) {
        response.sendError(404, "must provide a valid and existing path with a vistype");
        return;//  w w  w .j a  v a 2s  .c  om
    }

    // remove trailing /
    completePath = completePath.substring(1);

    String[] pathComponents = completePath.split("/");

    String vistype = pathComponents[0];

    if (pathComponents.length < 2) {
        response.sendError(404, "must provide a valid and existing path");
        return;
    }

    String path = StringUtils.join(Arrays.copyOfRange(pathComponents, 1, pathComponents.length), "/");

    // get the visualizer for this vistype
    ResourcePlugin vis = resourceRegistry.get(vistype);
    if (vis == null) {
        response.sendError(500, "There is no resource with the short name " + vistype);
    } else if (path.endsWith(".class")) {
        response.sendError(403, "illegal class path access");
    } else {
        URL resource = vis.getClass().getResource(path);
        if (resource == null) {
            response.sendError(404, path + " not found");
        } else {
            // check if it is new
            URLConnection resourceConnection = resource.openConnection();
            long resourceLastModified = resourceConnection.getLastModified();
            long requestLastModified = request.getDateHeader("If-Modified-Since");
            if (requestLastModified != -1 && resourceLastModified <= requestLastModified) {
                response.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
            } else {
                response.addDateHeader("Last-Modified", resourceLastModified);
                if ("localhost".equals(request.getServerName())) {
                    // does always expire right now
                    response.addDateHeader("Expires", new Date().getTime());
                } else {
                    // expires in one minute per default
                    response.addDateHeader("Expires", new Date().getTime() + 60000);
                }
                // not in cache, stream out
                String mimeType = getServletContext().getMimeType(path);
                response.setContentType(mimeType);
                if (mimeType.startsWith("text/")) {
                    response.setCharacterEncoding("UTF-8");
                }
                OutputStream bufferedOut = new BufferedOutputStream(outStream);
                InputStream resourceInStream = new BufferedInputStream(resource.openStream());

                try {
                    int v = -1;
                    while ((v = resourceInStream.read()) != -1) {
                        bufferedOut.write(v);
                    }
                } finally {
                    resourceInStream.close();
                    bufferedOut.flush();
                    outStream.flush();
                }
            }
        }
    }

}

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From source file:ar.com.zauber.commons.web.proxy.HttpClientRequestProxy.java

/**
 * Mtodo que se puede overridear en el caso de necesitar otro comportamiento al
 * producirse un error de conexin./*from www .  j a v  a2 s  .c  o  m*/
 * 
 * @param request
 * @param response
 * @param method
 * @param e
 * @throws Exception .
 */
protected void onConnectionException(final HttpServletRequest request, final HttpServletResponse response,
        final HttpMethod method, final ConnectException e) throws Exception {
    response.sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE, e.getMessage());
}

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From source file:com.netflix.spinnaker.fiat.controllers.RolesController.java

@RequestMapping(value = "/sync", method = RequestMethod.POST)
public long sync(HttpServletResponse response, @RequestBody(required = false) List<String> specificRoles)
        throws IOException {
    if (specificRoles == null) {
        log.info("Full role sync invoked by web request.");
        long count = syncer.syncAndReturn();
        if (count == 0) {
            response.sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE,
                    "Error occurred syncing permissions. See Fiat Logs.");
        }/* ww  w . j  a  va  2  s.  co m*/
        return count;
    }

    log.info("Web request role sync of roles: " + String.join(",", specificRoles));
    Map<String, UserPermission> affectedUsers = permissionsRepository.getAllByRoles(specificRoles);
    if (affectedUsers.size() == 0) {
        log.info("No users found with specified roles");
        return 0;
    }
    return syncer.updateUserPermissions(affectedUsers);
}

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From source file:com.xyxy.platform.examples.showcase.demos.web.StaticContentServlet.java

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    // ??//from  w  w  w. ja  v a2 s. co  m
    String contentPath = request.getParameter("contentPath");
    if (StringUtils.isBlank(contentPath)) {
        response.sendError(HttpServletResponse.SC_BAD_REQUEST, "contentPath parameter is required.");
        return;
    }

    // ??.
    ContentInfo contentInfo = getContentInfo(contentPath);

    // ?EtagModifiedSince Header?, ??304,.
    if (!Servlets.checkIfModifiedSince(request, response, contentInfo.lastModified)
            || !Servlets.checkIfNoneMatchEtag(request, response, contentInfo.etag)) {
        return;
    }

    // Etag/
    Servlets.setExpiresHeader(response, Servlets.ONE_YEAR_SECONDS);
    Servlets.setLastModifiedHeader(response, contentInfo.lastModified);
    Servlets.setEtag(response, contentInfo.etag);

    // MIME
    response.setContentType(contentInfo.mimeType);

    // ?Header
    if (request.getParameter("download") != null) {
        Servlets.setFileDownloadHeader(request, response, contentInfo.fileName);
    }

    // OutputStream
    OutputStream output;
    if (checkAccetptGzip(request) && contentInfo.needGzip) {
        // outputstream, http1.1 trunked??content-length.
        output = buildGzipOutputStream(response);
    } else {
        // outputstream, content-length.
        response.setContentLength(contentInfo.length);
        output = response.getOutputStream();
    }

    // ?,?input file
    FileUtils.copyFile(contentInfo.file, output);
    output.flush();
}

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