Example usage for javax.servlet.http HttpServletResponse isCommitted

Introduction

In this page you can find the example usage for javax.servlet.http HttpServletResponse isCommitted.

Prototype

public boolean isCommitted();

Source Link

Document

Returns a boolean indicating if the response has been committed.

Usage

From source file:gerenciador.incubadora.controller.ArquivoController.java

@RequestMapping(value = "/imagem/{id}")
public ModelAndView download(HttpServletResponse response, @PathVariable Long id)
        throws FileNotFoundException, Exception {

    InputStream is = new ByteArrayInputStream(
            FileUtils.readFileToByteArray(new File(Empreendimento.EMPREENDIMENTO_PATH_LOGO_DEFAULT)));

    ModelAndView mv = new ModelAndView("redirect:/empreendedor");
    Empreendimento empreendimento = ServiceLocator.getEmpreendimentoService().readById(id);
    mv.addObject("empreendimento", empreendimento);
    //is.close();
    response.setContentType("image/jpeg");
    IOUtils.copy(is, response.getOutputStream());
    response.flushBuffer();//  w ww .j ava2 s .c  om
    if (response.isCommitted()) {
        System.out.println("Resposta Comitada!");
    }
    return new ModelAndView("empreendimento/new");
}

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From source file:org.springframework.boot.actuate.metrics.web.servlet.MetricsFilter.java

@Override
protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain chain)
        throws ServletException, IOException {
    StopWatch stopWatch = createStopWatchIfNecessary(request);
    String path = new UrlPathHelper().getPathWithinApplication(request);
    int status = HttpStatus.INTERNAL_SERVER_ERROR.value();
    try {//from   w  w  w .j ava  2 s.c  o m
        chain.doFilter(request, response);
        status = getStatus(response);
    } finally {
        if (!request.isAsyncStarted()) {
            if (response.isCommitted()) {
                status = getStatus(response);
            }
            stopWatch.stop();
            request.removeAttribute(ATTRIBUTE_STOP_WATCH);
            recordMetrics(request, path, status, stopWatch.getTotalTimeMillis());
        }
    }
}

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

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

    try {//from  ww w  .  j a  v a  2 s .  c  o  m
        if ("/get".equals(request.getPathInfo()))
            get(request, response);
        else if ("/debug".equals(request.getPathInfo()))
            setDebug(request, response);
        else if ("/config".equals(request.getPathInfo()))
            listenerConfig(request, response);
        else if (request.getPathInfo().endsWith(".xml"))
            getAll(request, response);
        else if (!response.isCommitted())
            response.sendError(HttpServletResponse.SC_NOT_FOUND);
    } catch (JDOMException jE) {
        ScoreBoardManager.printMessage("XmlScoreBoardServlet ERROR: " + jE.getMessage());
        response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
    }
}

---

From source file:memedb.httpd.MemeDBHandler.java

public void handle(String target, HttpServletRequest request, HttpServletResponse response, int dispatch)
        throws IOException, ServletException {
    Request base_request = (request instanceof Request) ? (Request) request
            : HttpConnection.getCurrentConnection().getRequest();

    log.debug("Requested URI: {} target: {}", request.getRequestURI(), target);

    Credentials cred = getCredentials(request, response);
    if (cred == null || response.isCommitted()) {
        base_request.setHandled(true);/*w  w w . ja v a 2s.  co  m*/
        return;
    }

    //      String path = request.getRequestURI().substring(1);
    String path = target.substring(1);
    if (path.startsWith(MemeDB.SYS_DB) || path.startsWith(MemeDB.USERS_DB)) {
        log.warn("Attempted access to {}", path);
        sendError(response, "not_allowed", "system db", 405);
        base_request.setHandled(true);
        return;
    }
    if (path.endsWith("/")) {
        path = path.substring(0, path.length() - 1);
    }

    String db = null;
    String id = null;
    String rev = null;

    int slashIndex = path.indexOf("/");
    if (slashIndex > -1) {
        db = path.substring(0, slashIndex);
        if (slashIndex < path.length()) {
            id = path.substring(slashIndex + 1);
        }
        rev = request.getParameter("rev");
    } else {
        db = path;
    }
    if (db.length() == 0)
        db = null;

    boolean handled = false;
    for (BaseRequestHandler handler : baseRequestHandlers) {
        if (handler.match(cred, request, db, id)) {
            if (handler instanceof Admin) {
                Admin a = (Admin) handler;
                a.setDispatch(dispatch);
            }
            handler.handle(cred, request, response, db, id, rev);
            handled = true;
            break;
        }
    }
    if (!handled && !allowHtml) {
        sendError(response, "Could not process request");
        handled = true;
    }
    if (handled)
        base_request.setHandled(true);
    return;
}

---

From source file:org.springframework.boot.context.web.ErrorPageFilter.java

private void doFilter(HttpServletRequest request, HttpServletResponse response, FilterChain chain)
        throws IOException, ServletException {
    ErrorWrapperResponse wrapped = new ErrorWrapperResponse(response);
    try {//  ww w. j  av a2s . co m
        chain.doFilter(request, wrapped);
        if (wrapped.hasErrorToSend()) {
            handleErrorStatus(request, response, wrapped.getStatus(), wrapped.getMessage());
            response.flushBuffer();
        } else if (!request.isAsyncStarted() && !response.isCommitted()) {
            response.flushBuffer();
        }
    } catch (Throwable ex) {
        Throwable exceptionToHandle = ex;
        if (ex instanceof NestedServletException) {
            exceptionToHandle = ((NestedServletException) ex).getRootCause();
        }
        handleException(request, response, wrapped, exceptionToHandle);
        response.flushBuffer();
    }
}

---

From source file:org.josso.gateway.filter.ProtocolHandlerFilter.java

public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain)
        throws IOException, ServletException {

    try {/*from ww w. ja va  2 s. c o  m*/

        HttpServletRequest hreq = (HttpServletRequest) servletRequest;
        HttpServletResponse hres = (HttpServletResponse) servletResponse;

        // Get our security domain
        SSOContext ctx = Lookup.getInstance().lookupSSOGateway().prepareSSOContext(new SSORequestImpl(hreq));
        SecurityDomain sd = ctx.getSecurityDomain();

        // TODO : Handle this in a more general way.
        // See if P3P configuration is enabled
        // This is required by Microsoft Internet Explorer when embedding JOSSO in a IFRAME
        SSOWebConfiguration cfg = sd.getSSOWebConfiguration();
        if (cfg.isSendP3PHeader()) {

            if (!hres.isCommitted()) {
                hres.setHeader("P3P", cfg.getP3PHeaderValue());
                if (logger.isDebugEnabled())
                    logger.debug("Adding P3P Header:" + cfg.getP3PHeaderValue());
            } else {
                logger.warn("Already commited response, cannot set P3P header");
            }
        }

        // Handle specific protocol requests
        if (!existJossoSession(hreq, sd)) {

            SSOProtocolManager pm = sd.getProtocolManager();
            // We have a Protocol Manager and the request was processed, do not continue with the chain.
            if (pm != null && !pm.dispatchRequest(hreq, hres))
                return;

        }
    } catch (Exception e) {
        logger.error(e.getMessage(), e);
    }

    filterChain.doFilter(servletRequest, servletResponse);

}

---

From source file:org.craftercms.engine.view.CrafterPageView.java

@Override
protected void renderMergedOutputModel(Map<String, Object> model, HttpServletRequest request,
        HttpServletResponse response) throws Exception {
    request.setAttribute(PAGE_URL_ATTRIBUTE_NAME, page.getStoreUrl());

    Map<String, Object> scriptVariables = createScriptVariables(request, response, model);

    if (CollectionUtils.isNotEmpty(scripts)) {
        for (Script script : scripts) {
            executeScript(script, scriptVariables);

            // If the response has been already committed by one of the scripts, stop and don't render the view
            if (response.isCommitted()) {
                logger.debug("Response already committed by script");

                return;
            }/*from w  w  w .  ja  va 2  s  . c o m*/
        }
    }

    model.put(KEY_MODEL, page);
    model.put(KEY_CONTENT_MODEL, page);

    renderActualView(getPageViewName(), model, request, response);
}

---

From source file:org.nuxeo.ecm.platform.web.common.exceptionhandling.NuxeoSecurityExceptionHandler.java

/**
 * Handles the Security Error when the user is anonymous.
 *
 * @return {@code true} if the Security Error is handled so that the calling
 *         method won't fallback on the default handler, {@code false}
 *         otherwise./*from   w  w  w . j a  va 2  s.c  o  m*/
 */
protected boolean handleAnonymousException(HttpServletRequest request, HttpServletResponse response)
        throws IOException, ServletException {
    getAuthenticationService().invalidateSession(request);
    Map<String, String> urlParameters = new HashMap<String, String>();
    urlParameters.put(SECURITY_ERROR, "true");
    urlParameters.put(FORCE_ANONYMOUS_LOGIN, "true");
    if (request.getAttribute(REQUESTED_URL) != null) {
        urlParameters.put(REQUESTED_URL, (String) request.getAttribute(REQUESTED_URL));
    } else {
        urlParameters.put(REQUESTED_URL, NuxeoAuthenticationFilter.getRequestedUrl(request));
    }
    // Redirect to login with urlParameters
    if (!response.isCommitted()) {
        String baseURL = getAuthenticationService().getBaseURL(request) + LOGOUT_PAGE;
        request.setAttribute(DISABLE_REDIRECT_REQUEST_KEY, true);
        baseURL = URIUtils.addParametersToURIQuery(baseURL, urlParameters);
        response.sendRedirect(baseURL);
        FacesContext fContext = FacesContext.getCurrentInstance();
        if (fContext != null) {
            fContext.responseComplete();
        } else {
            log.error("Cannot set response complete: faces context is null");
        }
    } else {
        log.error("Cannot redirect to login page: response is already committed");
    }
    return true;
}

---

From source file:org.b3log.latke.servlet.renderer.freemarker.AbstractFreeMarkerRenderer.java

@Override
public void render(final HTTPRequestContext context) {
    final HttpServletResponse response = context.getResponse();

    response.setContentType("text/html");
    response.setCharacterEncoding("UTF-8");

    PrintWriter writer;//from  www .  ja v a 2  s . c  o  m
    try {
        writer = response.getWriter();
    } catch (final Exception e) {
        try {
            writer = new PrintWriter(response.getOutputStream());
        } catch (final IOException ex) {
            LOGGER.log(Level.SEVERE, "Can not get response writer", ex);
            return;
        }
    }

    if (response.isCommitted()) { // response has been sent redirect
        writer.flush();
        writer.close();

        return;
    }

    try {
        final HttpServletRequest request = context.getRequest();
        final Template template = getTemplate((String) request.getAttribute(Keys.TEMAPLTE_DIR_NAME),
                templateName);

        if (Templates.hasExpression(template, "${request}")) {
            dataModel.put(Keys.REQUEST, request);
        }

        beforeRender(context);

        final String html = genHTML(context.getRequest(), dataModel, template);
        doRender(html, context.getRequest(), response);

        afterRender(context);
    } catch (final Exception e) {
        LOGGER.log(Level.SEVERE, "FreeMarker renders error", e);

        try {
            response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
        } catch (final IOException ex) {
            LOGGER.log(Level.SEVERE, "Can not send error 500!", ex);
        }
    }
}

---

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