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:org.tec.webapp.web.view.JSONView.java

/**
 * {@inheritDoc}//w w  w. j  a v a2s  .c  om
 */
@Override()
protected void renderMergedOutputModel(Map<String, Object> model, HttpServletRequest request,
        HttpServletResponse response) throws Exception {
    try {
        JSONSerializable json = (JSONSerializable) model.get(JSONModelAndView.ERROR_KEY);

        if (json != null) {
            response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "failed to process response");
        } else {
            json = (JSONSerializable) model.get(JSONModelAndView.JSON_KEY);

            if (json != null) {
                if (mLogger.isDebugEnabled()) {
                    mLogger.debug("JSON Response\n" + json.toJSON());
                }
                response.setContentType(MimeTypeUtils.APPLICATION_JSON_VALUE);
                PrintWriter pw = response.getWriter();
                pw.write(json.toJSON());
                pw.flush();
            } else // null json for controllers that usurp the response or didn't intend to
            {
                mLogger.warn("null json object");
            }
        }
    } catch (Exception e) {
        mLogger.error("error", e);
        response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "failed to process response");
    }
}

From source file:cn.org.once.cstack.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());
    response.sendError(HttpServletResponse.SC_UNAUTHORIZED, "Access unauthorized");
}

From source file:com.cloudera.oryx.als.serving.web.RecommendToAnonymousServlet.java

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {

    CharSequence pathInfo = request.getPathInfo();
    if (pathInfo == null) {
        response.sendError(HttpServletResponse.SC_BAD_REQUEST, "No path");
        return;//ww  w . j  a v a2  s .co  m
    }
    Iterator<String> pathComponents = SLASH.split(pathInfo).iterator();
    Pair<String[], float[]> itemIDsAndValue;
    try {
        itemIDsAndValue = parseItemValuePairs(pathComponents);
    } catch (NoSuchElementException nsee) {
        response.sendError(HttpServletResponse.SC_BAD_REQUEST, nsee.toString());
        return;
    }

    if (itemIDsAndValue.getFirst().length == 0) {
        response.sendError(HttpServletResponse.SC_BAD_REQUEST, "No items");
        return;
    }

    String[] itemIDs = itemIDsAndValue.getFirst();
    float[] values = itemIDsAndValue.getSecond();

    OryxRecommender recommender = getRecommender();
    RescorerProvider rescorerProvider = getRescorerProvider();
    try {
        Rescorer rescorer = rescorerProvider == null ? null
                : rescorerProvider.getRecommendToAnonymousRescorer(itemIDs, recommender,
                        getRescorerParams(request));
        output(response, recommender.recommendToAnonymous(itemIDs, values, getHowMany(request), rescorer));
    } catch (NotReadyException nre) {
        response.sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE, nre.toString());
    } catch (NoSuchItemException nsie) {
        response.sendError(HttpServletResponse.SC_NOT_FOUND, nsie.toString());
    } catch (IllegalArgumentException iae) {
        response.sendError(HttpServletResponse.SC_BAD_REQUEST, iae.toString());
    }
}

From source file:com.sonicle.webtop.core.app.AbstractServlet.java

@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    try {/* w  ww  . ja  v a  2s  . com*/
        processRequest(request, response);
    } catch (Throwable t) {
        response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, t.getMessage());
    } finally {
        LoggerUtils.clearDC();
    }
}

From source file:com.sonicle.webtop.core.app.AbstractServlet.java

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    try {/*from   w  w w  .  jav a  2s .  co  m*/
        processRequest(request, response);
    } catch (Throwable t) {
        response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, t.getMessage());
    } finally {
        LoggerUtils.clearDC();
    }
}

From source file:org.kurento.repository.RepositoryController.java

@RequestMapping(method = RequestMethod.DELETE, value = "/{itemId}")
public void removeRepositoryItem(@PathVariable("itemId") String itemId, HttpServletResponse response) {
    try {/*from  w  ww .j a  v a  2s.  com*/
        repoService.removeRepositoryItem(itemId);
    } catch (ItemNotFoundException e) {
        try {
            response.sendError(HttpStatus.NOT_FOUND.value(), e.getMessage());
        } catch (IOException ioe) {
            ioe.printStackTrace();
            throw new KurentoException(ioe);
        }
    }
}

From source file:com.netflix.genie.web.controllers.GenieExceptionMapper.java

/**
 * Handle Genie Exceptions./*from   www  . j  av  a2s. c om*/
 *
 * @param response The HTTP response
 * @param e        The exception to handle
 * @throws IOException on error in sending error
 */
@ExceptionHandler(GenieException.class)
public void handleGenieException(final HttpServletResponse response, final GenieException e)
        throws IOException {
    this.countException(e);
    log.error(e.getLocalizedMessage(), e);
    response.sendError(e.getErrorCode(), e.getLocalizedMessage());
}

From source file:org.kurento.repository.RepositoryController.java

@RequestMapping(method = RequestMethod.GET, value = "/{itemId}")
public RepositoryItemPlayer getReadEndpoint(@PathVariable("itemId") String itemId,
        HttpServletResponse response) {
    try {/*  www.  j a v  a  2 s.co m*/
        return repoService.getReadEndpoint(itemId);
    } catch (ItemNotFoundException e) {
        try {
            response.sendError(HttpStatus.NOT_FOUND.value(), e.getMessage());
        } catch (IOException ioe) {
            ioe.printStackTrace();
            throw new KurentoException(ioe);
        }
        return null;
    }
}

From source file:com.dp2345.filter.AccessDeniedFilter.java

public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain)
        throws IOException, ServletException {
    HttpServletResponse response = (HttpServletResponse) servletResponse;
    // PoweredBy   dp2345.com
    response.addHeader(new String(base64.decode("UG93ZXJlZEJ5"), "utf-8"),
            new String(base64.decode("ZHAyMzQ1LmNvbQ=="), "utf-8"));
    response.sendError(HttpServletResponse.SC_FORBIDDEN, ERROR_MESSAGE);
}

From source file:GoTo.java

public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
    // Determine the site where they want to go
    String site = req.getPathInfo();
    String query = req.getQueryString();

    // Handle a bad request
    if (site == null) {
        res.sendError(res.SC_BAD_REQUEST, "Extra path info required");
    }//from w  w w .j  a  v a 2 s.c o  m

    // Cut off the leading "/" and append the query string
    // We're assuming the path info URL is always absolute
    String url = site.substring(1) + (query == null ? "" : "?" + query);

    // Log the requested URL and redirect
    log(url); // or write to a special file
    res.sendRedirect(url);
}