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:io.nebo.container.RequestDispatcherHandler.java

@Override
protected void channelRead0(ChannelHandlerContext ctx, NettyHttpServletRequest request) throws Exception {
    HttpServletResponse servletResponse = (HttpServletResponse) request.getServletResponse();
    try {//w w  w. j  a v a  2  s  . c om
        NettyRequestDispatcher dispatcher = (NettyRequestDispatcher) context
                .getRequestDispatcher(request.getRequestURI());
        if (dispatcher == null) {
            servletResponse.sendError(404);
            return;
        }
        dispatcher.dispatch(request, servletResponse);
        servletResponse.getWriter().flush();
        servletResponse.getOutputStream().flush();
        servletResponse.getWriter().close();
        servletResponse.getOutputStream().close();
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (!request.isAsyncStarted()) {
            servletResponse.getOutputStream().close();
        }
    }
}

From source file:com.thinkberg.moxo.dav.DeleteHandler.java

public void service(HttpServletRequest request, HttpServletResponse response) throws IOException {
    FileObject object = getResourceManager().getFileObject(request.getPathInfo());
    if (request instanceof Request) {
        String fragment = ((Request) request).getUri().getFragment();
        if (fragment != null) {
            response.sendError(HttpServletResponse.SC_FORBIDDEN);
            return;
        }// w  w w  . j a v  a 2  s  .  c  o  m
    }

    try {
        LockManager.getInstance().checkCondition(object, getIf(request));
    } catch (LockException e) {
        if (e.getLocks() != null) {
            response.sendError(SC_LOCKED);
        } else {
            response.sendError(HttpServletResponse.SC_PRECONDITION_FAILED);
        }
        return;
    }

    if (object.exists()) {
        if (object.delete(ALL_FILES_SELECTOR) > 0) {
            response.setStatus(HttpServletResponse.SC_OK);
        } else {
            response.sendError(HttpServletResponse.SC_FORBIDDEN);
        }
    } else {
        response.sendError(HttpServletResponse.SC_NOT_FOUND);
    }
}

From source file:jp.aegif.nemaki.rest.AuthenticationFilter.java

@Override
public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain)
        throws IOException, ServletException {
    HttpServletRequest hreq = (HttpServletRequest) req;
    HttpServletResponse hres = (HttpServletResponse) res;

    boolean auth = login(hreq, hres);
    if (auth) {// w  w  w. j  a  v a2  s .co  m
        chain.doFilter(req, res);
    } else {
        log.error("REST API Unauthorized!");
        hres.sendError(HttpServletResponse.SC_UNAUTHORIZED);
    }
}

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

private FileDescriptor getFileDescriptor(HttpServletRequest request, HttpServletResponse response)
        throws IOException {
    FileDescriptor fd;//from   w ww .ja v a 2 s  .  c  o m
    try {
        fd = FileDescriptor.fromUrlParam(request.getParameter("f"));
    } catch (Exception e) {
        log.error("Error parsing FileDescriptor from URL param", e);
        response.sendError(HttpServletResponse.SC_BAD_REQUEST);
        return null;
    }
    return fd;
}

From source file:io.hakbot.controller.servlet.ConsoleControllerServlet.java

private void doRequest(HttpServletRequest request, HttpServletResponse response)
        throws IOException, ServletException {

    final String pathInfo = request.getPathInfo();
    final String uuid;

    // Check to make sure path info was specified
    if (StringUtils.isEmpty(pathInfo)) {
        response.sendError(400);
        return;/*from  w w w .  j av a  2 s.c  om*/
    } else {
        // Path info was specified so strip off the leading / character
        uuid = StringUtils.stripStart(pathInfo, "/");
    }

    // Check to make sure the uuid is a valid format
    if (!UuidUtil.isValidUUID(uuid)) {
        response.sendError(400);
        return;
    }

    final QueryManager qm = new QueryManager();
    final Job job = qm.getJob(uuid, new SystemAccount());
    qm.close();
    if (job == null) {
        response.sendError(404);
        return;
    }

    final ExpectedClassResolver resolver = new ExpectedClassResolver();
    try {
        final Class pluginClass = resolver.resolveProvider(job);
        request.setAttribute("job", job);
        final String pluginPage = "/WEB-INF/plugins/" + pluginClass.getName() + "/index.jsp?uuid=" + uuid;
        response.setContentType("text/html;charset=UTF-8");
        request.getRequestDispatcher(pluginPage).include(request, response);
        return;
    } catch (ClassNotFoundException | ExpectedClassResolverException e) {
        LOGGER.error(e.getMessage());
    }

    response.sendError(404);
}

From source file:no.dusken.common.view.FileView.java

protected void renderMergedOutputModel(Map map, HttpServletRequest request, HttpServletResponse response)
        throws IOException {
    // get the file from the map
    File file = (File) map.get("file");

    // check if it exists
    if (file == null || !file.exists() || !file.canRead()) {
        log.warn("Error reading: {}", file);
        try {//from www.j a v a2s. c  o  m
            response.sendError(404);
        } catch (IOException e) {
            log.error("Could not write to response", e);
        }
        return;
    }
    // give some info in the response
    String mimeType;
    if (file.getName().contains(".image")) {
        mimeType = "image/jpeg";

    } else {
        mimeType = getServletContext().getMimeType(file.getAbsolutePath());
    }
    response.setContentType(mimeType);
    // files does not change so often, allow three days caching
    response.setHeader("Cache-Control", "public, max-age=2505600");
    response.setContentLength((int) file.length());

    // start writing to the response
    OutputStream outputStream = response.getOutputStream();
    InputStream inputStream = new FileInputStream(file);
    IOUtils.copy(inputStream, outputStream);
}

From source file:arena.web.view.ErrorView.java

@SuppressWarnings("unchecked")
protected void renderMergedOutputModel(Map model, HttpServletRequest request, HttpServletResponse response)
        throws Exception {
    if (this.message != null) {
        response.setStatus(this.errorCode);
        response.getWriter()//  ww  w.  j  a v  a 2 s . com
                .append(ServletUtils.replaceWildcards(this.message, this.allowRequestArgs, model, request));
        response.flushBuffer();
    } else {
        response.sendError(this.errorCode);
    }
}

From source file:org.callistasoftware.netcare.web.mobile.controller.BankIdController.java

@RequestMapping(value = "/complete", method = RequestMethod.GET, produces = "application/json")
@ResponseBody//from  w w w. j  a v a2  s . c o m
public UserDetails collect(final HttpServletResponse response) throws IOException {
    final Authentication auth = SecurityContextHolder.getContext().getAuthentication();
    if (auth != null) {
        return (UserDetails) auth.getPrincipal();
    }

    log.debug("We have no authentication.. Returning unathorized.");

    response.sendError(HttpServletResponse.SC_UNAUTHORIZED);
    return null;
}

From source file:com.github.rnewson.couchdb.lucene.LuceneServlet.java

@Override
protected void doGet(final HttpServletRequest req, final HttpServletResponse resp)
        throws ServletException, IOException {
    try {//ww  w.jav  a  2s . c  o  m
        doGetInternal(req, resp);
    } catch (final JSONException e) {
        resp.sendError(500);
    }
}

From source file:com.github.rnewson.couchdb.lucene.LuceneServlet.java

@Override
protected void doPost(final HttpServletRequest req, final HttpServletResponse resp)
        throws ServletException, IOException {
    try {//w ww. j  a va  2 s  .  c om
        doPostInternal(req, resp);
    } catch (final JSONException e) {
        resp.sendError(500);
    }
}