Example usage for javax.servlet.http HttpServletResponse resetBuffer

List of usage examples for javax.servlet.http HttpServletResponse resetBuffer

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Introduction

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

Prototype


public void resetBuffer();

Source Link

Document

Clears the content of the underlying buffer in the response without clearing headers or status code.

Usage

From source file:org.jahia.bin.errors.ErrorServlet.java

protected void process(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    if (response.isCommitted()) {
        logger.warn("Response is already committed. Skipping error processing.");
        return;//from ww  w  .  ja  va 2s .co m
    }

    int errorCode = getErrorCode(request);

    if (errorCode == HttpServletResponse.SC_UNAUTHORIZED) {
        String redirectUrl = LoginConfig.getInstance().getCustomLoginUrl(request);
        if (redirectUrl != null) {
            response.sendRedirect(response.encodeRedirectURL(redirectUrl));
            return;
        }
    }

    response.setStatus(errorCode);
    response.setContentType("text/html; charset=" + SettingsBean.getInstance().getCharacterEncoding());
    response.resetBuffer();

    String errorPagePath = getErrorPagePath(request, response);
    forwardToErrorPage(errorPagePath, request, response);
}

From source file:org.nuxeo.ecm.core.opencmis.bindings.NuxeoCmisAtomPubServlet.java

@Override
protected void printError(Exception ex, HttpServletResponse response) {
    ErrorInfo errorInfo = extractError(ex);
    if (response.isCommitted()) {
        LOG.warn("Failed to send error message to client. " + "Response is already committed.", ex);
        return;/*w w w .  j av a 2 s.com*/
    }

    try {
        response.resetBuffer();
        response.setStatus(errorInfo.statusCode);
        response.setContentType("text/html");
        response.setCharacterEncoding("UTF-8");

        PrintWriter pw = response.getWriter();

        pw.print("<html><head><title>Apache Chemistry OpenCMIS - " + errorInfo.exceptionName + " error</title>"
                + "<style><!--H1 {font-size:24px;line-height:normal;font-weight:bold;background-color:#f0f0f0;color:#003366;border-bottom:1px solid #3c78b5;padding:2px;} "
                + "BODY {font-family:Verdana,arial,sans-serif;color:black;font-size:14px;} "
                + "HR {color:#3c78b5;height:1px;}--></style></head><body>");
        pw.print("<h1>HTTP Status " + errorInfo.statusCode + " - <!--exception-->" + errorInfo.exceptionName
                + "<!--/exception--></h1>");
        pw.print("<p><!--message-->" + StringEscapeUtils.escapeHtml(errorInfo.message) + "<!--/message--></p>");

        String st = ExceptionHelper.getStacktraceAsString(ex);
        if (st != null) {
            pw.print("<hr noshade='noshade'/><!--stacktrace--><pre>\n" + st
                    + "\n</pre><!--/stacktrace--><hr noshade='noshade'/>");
        }

        pw.print("</body></html>");
    } catch (Exception e) {
        LOG.error(e.getMessage(), e);
        try {
            response.sendError(errorInfo.statusCode, errorInfo.message);
        } catch (Exception en) {
            // there is nothing else we can do
        }
    }
}

From source file:org.nuxeo.ecm.core.opencmis.bindings.NuxeoCmisBrowserBindingServlet.java

@Override
public void printError(CallContext context, Exception ex, HttpServletRequest request,
        HttpServletResponse response) {
    ErrorInfo errorInfo = extractError(ex);
    if (response.isCommitted()) {
        LOG.warn("Failed to send error message to client. " + "Response is already committed.", ex);
        return;// w w w  .j av  a 2 s.  c o m
    }

    String token = (context instanceof BrowserCallContextImpl ? ((BrowserCallContextImpl) context).getToken()
            : null);

    if (token == null) {
        response.resetBuffer();
        CALL.setStatus(request, response, errorInfo.statusCode);

        String message = ex.getMessage();
        if (!(ex instanceof CmisBaseException)) {
            message = "An error occurred!";
        }

        JSONObject jsonResponse = new JSONObject();
        jsonResponse.put(ERROR_EXCEPTION, errorInfo.exceptionName);
        jsonResponse.put(ERROR_MESSAGE, errorInfo.message);

        String st = ExceptionHelper.getStacktraceAsString(ex);
        if (st != null) {
            jsonResponse.put(ERROR_STACKTRACE, st);
        }

        try {
            CALL.writeJSON(jsonResponse, request, response);
        } catch (Exception e) {
            LOG.error(e.getMessage(), e);
            try {
                response.sendError(errorInfo.statusCode, message);
            } catch (Exception en) {
                // there is nothing else we can do
            }
        }
    } else {
        CALL.setStatus(request, response, SC_OK);
        response.setContentType(AbstractBrowserServiceCall.HTML_MIME_TYPE);
        response.setContentLength(0);

        if (context != null) {
            CALL.setCookie(request, response, context.getRepositoryId(), token, CALL
                    .createCookieValue(errorInfo.statusCode, null, errorInfo.exceptionName, ex.getMessage()));
        }
    }
}

From source file:org.nuxeo.ecm.platform.io.client.ImportExportActionBean.java

private static void handleRedirect(HttpServletResponse response, String url) throws IOException {
    response.resetBuffer();
    response.sendRedirect(url);/*  ww  w  .j a  v  a  2 s  .co m*/
    response.flushBuffer();
    getHttpServletRequest().setAttribute(NXAuthConstants.DISABLE_REDIRECT_REQUEST_KEY, true);
    FacesContext.getCurrentInstance().responseComplete();
}

From source file:org.nuxeo.ecm.platform.ui.web.auth.cas2.SecurityExceptionHandler.java

@Override
public void handleException(HttpServletRequest request, HttpServletResponse response, Throwable t)
        throws IOException, ServletException {

    Throwable unwrappedException = unwrapException(t);

    if (!ExceptionHelper.isSecurityError(unwrappedException)
            && !response.containsHeader(SSO_INITIAL_URL_REQUEST_KEY)) {
        super.handleException(request, response, t);
        return;/*from   w  ww.j av a  2 s .c om*/
    }

    Principal principal = request.getUserPrincipal();
    NuxeoPrincipal nuxeoPrincipal = null;
    if (principal instanceof NuxeoPrincipal) {
        nuxeoPrincipal = (NuxeoPrincipal) principal;
        // redirect to login than to requested page
        if (nuxeoPrincipal.isAnonymous()) {
            response.resetBuffer();

            String urlToReach = getURLToReach(request);
            Cookie cookieUrlToReach = new Cookie(NXAuthConstants.SSO_INITIAL_URL_REQUEST_KEY, urlToReach);
            cookieUrlToReach.setPath("/");
            cookieUrlToReach.setMaxAge(60);
            response.addCookie(cookieUrlToReach);

            if (!response.isCommitted()) {
                request.getRequestDispatcher(CAS_REDIRECTION_URL).forward(request, response);
            }
            FacesContext.getCurrentInstance().responseComplete();
        }
    }
    // go back to default handler
    super.handleException(request, response, t);
}

From source file:org.nuxeo.ecm.platform.ui.web.rest.RestHelper.java

public static void handleRedirect(HttpServletResponse response, String url) throws IOException {
    response.resetBuffer();
    response.sendRedirect(url);/* w  w w . j a  va 2s .  c o  m*/
    response.flushBuffer();
    getHttpServletRequest().setAttribute(NXAuthConstants.DISABLE_REDIRECT_REQUEST_KEY, Boolean.TRUE);
    FacesContext.getCurrentInstance().responseComplete();
}

From source file:org.nuxeo.ecm.webapp.seam.NuxeoSeamHotReloader.java

/**
 * Triggers a full reload of Seam context and components.
 * <p>//from w w  w  . java  2  s .c o  m
 * Needs the Seam debug jar to be present and Seam debug mode to be enabled.
 */
public String doReload() {
    final FacesContext facesContext = FacesContext.getCurrentInstance();
    if (facesContext == null) {
        return null;
    }

    HttpServletResponse response = (HttpServletResponse) facesContext.getExternalContext().getResponse();
    HttpServletRequest request = (HttpServletRequest) facesContext.getExternalContext().getRequest();

    String url = BaseURL.getBaseURL(request);
    url += "restAPI/seamReload";

    try {
        response.resetBuffer();
        response.sendRedirect(url);
        response.flushBuffer();
        request.setAttribute(NXAuthConstants.DISABLE_REDIRECT_REQUEST_KEY, Boolean.TRUE);
        facesContext.responseComplete();
    } catch (IOException e) {
        log.error("Error during redirect", e);
    }
    return null;
}

From source file:org.nuxeo.io.NuxeoIOStartupHelper.java

public void redirect(String url) {
    HttpServletResponse response = getHttpServletResponse();
    try {//w w  w . j a v  a  2  s. c o m
        response.resetBuffer();
        response.sendRedirect(url);
        response.flushBuffer();

        FacesContext.getCurrentInstance().responseComplete();
    } catch (IOException e) {
        log.warn(e);
        log.debug(e, e);
    }
}

From source file:org.openlegacy.db.mvc.rest.DefaultDbRestController.java

private static void sendError(int errorCode, String message, HttpServletResponse response) throws IOException {
    response.resetBuffer();
    response.setStatus(errorCode);/*  ww w. ja va 2s .  c  om*/
    response.setHeader("Content-Type", "application/json");
    response.setCharacterEncoding("UTF-8");
    response.getWriter().write(String.format("{\"error\":\"%s\"}", message));
    response.flushBuffer();
}

From source file:org.openlegacy.mvc.AbstractRestController.java

public Object login(String user, String password, HttpServletResponse response)
        throws IOException, LoginException {
    if (!enableLogin || !enableGetLogin) {
        throw (new UnsupportedOperationException("/login is not support"));
    }//from  w w w. ja v a 2s .c  o m

    try {
        org.openlegacy.modules.login.Login loginModule = getSession()
                .getModule(org.openlegacy.modules.login.Login.class);
        if (loginModule != null) {
            loginModule.login(user, password);
        } else {
            logger.warn("No login module defined. Skipping login");
        }
    } catch (RegistryException e) {
        response.sendError(HttpServletResponse.SC_UNAUTHORIZED, e.getMessage());
    } catch (LoginException e) {
        getSession().disconnect();
        response.resetBuffer();
        response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
        response.setContentType("text/plain; charset=UTF-8");
        response.getOutputStream().print(e.getMessage());
        throw e;
    }
    response.setStatus(HttpServletResponse.SC_OK);
    return getMenu(response);

}