Example usage for javax.servlet.http HttpServletResponse sendRedirect

Introduction

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

Prototype

public void sendRedirect(String location) throws IOException;

Source Link

Document

Sends a temporary redirect response to the client using the specified redirect location URL and clears the buffer.

Usage

From source file:com.google.zxing.web.DecodeServlet.java

private static void processStream(InputStream is, ServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    BufferedImage image;/*w ww.j a  v  a2  s . co  m*/
    try {
        image = ImageIO.read(is);
    } catch (IOException | CMMException | IllegalArgumentException ioe) {
        log.info(ioe.toString());
        // Have seen these in some logs
        response.sendRedirect("badimage.jspx");
        return;
    }
    if (image == null) {
        response.sendRedirect("badimage.jspx");
        return;
    }
    if (image.getHeight() <= 1 || image.getWidth() <= 1 || image.getHeight() * image.getWidth() > MAX_PIXELS) {
        log.info("Dimensions out of bounds: " + image.getWidth() + 'x' + image.getHeight());
        response.sendRedirect("badimage.jspx");
        return;
    }

    processImage(image, request, response);
}

From source file:fll.web.DoLogin.java

/**
 * Does the work of login. Exists as a separate method so that it can be
 * called from {@link fll.web.admin.CreateUser}
 */// w w w.  ja va2s.  c o m
public static void doLogin(final HttpServletRequest request, final HttpServletResponse response,
        final ServletContext application, final HttpSession session) throws IOException, ServletException {
    final DataSource datasource = ApplicationAttributes.getDataSource(application);
    Connection connection = null;
    try {
        connection = datasource.getConnection();

        // check for authentication table
        if (Queries.isAuthenticationEmpty(connection)) {
            LOGGER.warn("No authentication information in the database");
            session.setAttribute(SessionAttributes.MESSAGE,
                    "<p class='error'>No authentication information in the database - see administrator</p>");
            response.sendRedirect(response.encodeRedirectURL("login.jsp"));
            return;
        }

        // compute hash
        final String user = request.getParameter("user");
        final String pass = request.getParameter("pass");
        if (null == user || user.isEmpty() || null == pass || pass.isEmpty()) {
            LOGGER.warn("Form fields missing");
            session.setAttribute(SessionAttributes.MESSAGE,
                    "<p class='error'>You must fill out all fields in the form.</p>");
            response.sendRedirect(response.encodeRedirectURL("login.jsp"));
            return;
        }
        final String hashedPass = DigestUtils.md5Hex(pass);

        // compare login information
        if (LOGGER.isTraceEnabled()) {
            LOGGER.trace("Checking user: " + user + " hashedPass: " + hashedPass);
        }
        final Map<String, String> authInfo = Queries.getAuthInfo(connection);
        for (final Map.Entry<String, String> entry : authInfo.entrySet()) {
            if (user.equals(entry.getKey()) && hashedPass.equals(entry.getValue())) {
                // clear out old login cookies first
                CookieUtils.clearLoginCookies(application, request, response);

                final String magicKey = String.valueOf(System.currentTimeMillis());
                Queries.addValidLogin(connection, user, magicKey);
                CookieUtils.setLoginCookie(response, magicKey);

                String redirect = SessionAttributes.getRedirectURL(session);
                if (null == redirect) {
                    redirect = "index.jsp";
                }
                response.sendRedirect(response.encodeRedirectURL(redirect));
                return;
            } else {
                if (LOGGER.isTraceEnabled()) {
                    LOGGER.trace("Didn't match user: " + entry.getKey() + " pass: " + entry.getValue());
                }
            }
        }

        LOGGER.warn("Incorrect login credentials user: " + user);
        session.setAttribute(SessionAttributes.MESSAGE,
                "<p class='error'>Incorrect login information provided</p>");
        response.sendRedirect(response.encodeRedirectURL("login.jsp"));
        return;
    } catch (final SQLException e) {
        throw new RuntimeException(e);
    } finally {
        SQLFunctions.close(connection);
    }
}

From source file:com.edgenius.wiki.util.WikiUtil.java

/**
 * @param model/*from   ww  w .  j  av  a 2 s. c o m*/
 * @return 
 */
public static boolean captchaValid(CaptchaServiceProxy captchaService, CaptchaCodeModel model) {
    if (model != null && model.reqireCaptcha) {
        HttpServletRequest request = WebUtil.getRequest();
        HttpServletResponse response = WebUtil.getResponse();
        String id = request.getSession().getId();
        boolean valid = captchaService.validateReponseForId(id, model.captchaCode);
        if (!valid) {
            try {
                //here does not put webcontext - it is fine as GwtSpringController only do endWith() check.
                response.sendRedirect(WikiConstants.URL_CAPTCHA_VERIFIED_ERROR);
            } catch (IOException e) {
                log.error("Redir failed:" + WikiConstants.URL_CAPTCHA_VERIFIED_ERROR, e);
            }
            return false;
        }
    }
    return true;
}

From source file:com.redhat.rhn.frontend.action.LoginHelper.java

/** static method shared by LoginAction and LoginSetupAction
 * @param request actual request/*from  ww w  .j  a v a  2 s.co m*/
 * @param response actual reponse
 * @param user logged in user
 * @return returns true, if redirect
 */
public static boolean successfulLogin(HttpServletRequest request, HttpServletResponse response, User user) {
    // set last logged in
    user.setLastLoggedIn(new Date());
    UserManager.storeUser(user);
    // update session with actual user
    PxtSessionDelegateFactory.getInstance().newPxtSessionDelegate().updateWebUserId(request, response,
            user.getId());

    LoginHelper.publishUpdateErrataCacheEvent(user.getOrg());
    // redirect, if url_bounce set
    String urlBounce = request.getParameter("url_bounce");
    String reqMethod = request.getParameter("request_method");

    urlBounce = LoginAction.updateUrlBounce(urlBounce, reqMethod);
    try {
        if (urlBounce != null) {
            log.info("redirect: " + urlBounce);
            response.sendRedirect(urlBounce);
            return true;
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
    return false;
}

From source file:io.fabric8.che.starter.controller.SwaggerController.java

@GetMapping
public void redirectToSwagger(HttpServletResponse response) throws IOException {
    response.sendRedirect("/swagger-ui.html");
}

From source file:dijalmasilva.controllers.Session.java

@RequestMapping("/")
public void index(HttpServletResponse resp) throws IOException {
    resp.sendRedirect("/home");
}

From source file:fi.helsinki.opintoni.web.controller.RootController.java

@RequestMapping(value = "/")
public void redirect(HttpServletResponse response) throws IOException {
    response.sendRedirect(appConfiguration.get("appRelativeUrl"));
}

From source file:videoquotes.controller.VideoDLSvc.java

@RequestMapping(value = "/video", method = RequestMethod.GET)
public void findOne(@RequestParam String id, HttpServletResponse response) throws IOException {
    response.sendRedirect(URLDecoder.decode(videoDLs.findOne(id).getUrl(), "UTF-8"));
}

From source file:edu.cornell.mannlib.vedit.forwarder.impl.UrlForwarder.java

public void doForward(HttpServletRequest request, HttpServletResponse response, EditProcessObject epo) {
    try {//  w  w w .  j  a va2  s  . c o m
        response.sendRedirect(response.encodeRedirectURL(theUrl));
    } catch (IOException ioe) {
        log.error("doForward() could not send redirect.");
    }
}

From source file:furkan.app.tictactoewebsocket.TicTacToeServlet.java

private void list(HttpServletRequest request, HttpServletResponse response) throws IOException {
    response.sendRedirect(response.encodeRedirectURL(request.getContextPath() + "/tictactoe"));
}