Example usage for javax.servlet.http HttpServletRequest getRequestDispatcher

Introduction

In this page you can find the example usage for javax.servlet.http HttpServletRequest getRequestDispatcher.

Prototype

public RequestDispatcher getRequestDispatcher(String path);

Source Link

Document

Returns a RequestDispatcher object that acts as a wrapper for the resource located at the given path.

Usage

From source file:Controladores.AutorizadorAcesso.java

@Override
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object controller)
        throws Exception {

    String uri = request.getRequestURI();

    if (uri.toUpperCase().contains("RESTRITO")) {
        if (request.getSession().getAttribute("logado") == null
                || (boolean) request.getSession().getAttribute("logado") == false) {

            if (request.getQueryString() != null) {
                uri += "?" + request.getQueryString();
            }//from  w  ww  .java2  s. co  m

            request.getSession().setAttribute("endereco", uri);

            RequestDispatcher dispacher = request.getRequestDispatcher("exibe-login");
            dispacher.forward(request, response);
            return false;
        }
    }
    return true;
}

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From source file:com.parallax.server.blocklyprop.servlets.NewOAuthUserServlet.java

@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    // Read out email and authentication source from session
    HttpSession session = req.getSession();
    String email = (String) session.getAttribute("oauth-email");
    String authenticator = (String) session.getAttribute("oauth-authenticator");
    if (Strings.isNullOrEmpty(email) || Strings.isNullOrEmpty(authenticator)) {
        log.error("New OAuth request while missing info in session");
        req.getRequestDispatcher("/WEB-INF/servlet/oauth/server-error.jsp").forward(req, resp);
    }/*w ww .  j a  v  a 2  s.  c  o m*/

    String screenname = req.getParameter("screenname");
    if (Strings.isNullOrEmpty(screenname)) {
        req.setAttribute("missing-error", "Missing fields");
        req.getRequestDispatcher("/WEB-INF/servlet/profile/profile.jsp").forward(req, resp);
    } else {
        try {
            // Create user
            oauthService.registerUser(email, authenticator, "en", screenname);
            // Authenticate user

            Subject currentUser = SecurityUtils.getSubject();

            OAuthToken authenticationToken = new OAuthToken(email, authenticator);

            try {
                currentUser.login(authenticationToken);
            } catch (Throwable t) {
                log.error("Error while authenticating", t);
            }

            // Show confirm or straight redirect
            SavedRequest savedRequest = WebUtils.getAndClearSavedRequest(req);
            if (savedRequest != null) {
                req.setAttribute("redirect", savedRequest.getRequestUrl());
            }
            req.getRequestDispatcher("/WEB-INF/servlet/oauth/success.jsp").forward(req, resp);
        } catch (NonUniqueEmailException ex) {
            log.error("Non unique email exception", ex);
            req.getRequestDispatcher("/WEB-INF/servlet/oauth/server-error.jsp").forward(req, resp);
        } catch (ScreennameUsedException ex) {
            // Username already in use
            req.setAttribute("screenname", screenname);
            req.setAttribute("screenname-error", "screenname-used");
            req.getRequestDispatcher("/WEB-INF/servlet/oauth/new-oauth-user.jsp").forward(req, resp);
        } catch (ServerException ex) {
            log.error("A server exception accured in the oauth authentication process", ex);
            req.getRequestDispatcher("/WEB-INF/servlet/oauth/server-error.jsp").forward(req, resp);
        }
    }

}

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From source file:com.persistent.cloudninja.controller.CloudNinjaAuthFilter.java

public void forwardToVerificationPage(HttpServletRequest httpServletRequest,
        HttpServletResponse httpServletResponse, String guid, String acsToken) {

    try {/*from www  .  j a va  2s.  co m*/
        httpServletRequest.setAttribute("guid", guid);
        httpServletRequest.setAttribute("acsToken", acsToken);
        httpServletRequest.getRequestDispatcher("/codeVerification.htm").forward(httpServletRequest,
                httpServletResponse);
    } catch (ServletException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

---

From source file:org.sarons.spring4me.web.filter.PageFilter.java

@Override
protected void doService(HttpServletRequest httpRequest, HttpServletResponse httpResponse, FilterChain chain)
        throws IOException, ServletException {
    try {/*w  ww.  j a  v a2  s .c  o  m*/
        PageConfig pageConfig = getPageConfig(httpRequest);
        PageConfigUtils.setPageConfig(httpRequest, pageConfig);
        //
        this.pageRender.render(httpRequest, httpResponse);
        // forward this request and stop continue filter
        String pagePath = pageConfig.getPath() + ".page";
        httpRequest.getRequestDispatcher(pagePath).forward(httpRequest, httpResponse);
        //
    } catch (PageNotFoundException e) {
        //
        chain.doFilter(httpRequest, httpResponse);
    }
}

---

From source file:oracle.custom.ui.servlet.LoginServlet.java

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods./* w ww.  j ava  2 s  .  c o m*/
 *
 * @param request servlet request
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    response.setContentType("text/html;charset=UTF-8");
    //System.out.println("User Agent " + request.getHeader("User-Agent"));
    try (PrintWriter out = response.getWriter()) {
        // if we come back here after the user is already authenticated it means
        // that we're looking for OAuth consent
        if (request.getSession().getAttribute("AUTHENTICATED") != null) {
            request.getRequestDispatcher("/oauthallowed.jsp").forward(request, response);
        }
        try {
            String tenantName = (String) DomainName.getDomainName();

            String endpoint = OpenIdConfiguration.getInstance(tenantName).getAuthzEndpoint();
            String clientId = CredentialsList.getCredentials().get(tenantName).getId();
            StringBuffer url = request.getRequestURL();
            String uri = request.getRequestURI();
            String ctx = request.getContextPath();
            String base = url.substring(0, url.length() - uri.length() + ctx.length()) + "/";
            //String redirecturl = base + "atreturn/";
            //String openIdConfig = endpoint + "?client_id=" + clientId + 
            //        "&response_type=code&redirect_uri=" + redirecturl + 
            //        "&scope=urn:opc:idm:t.user.me+openid+urn:opc:idm:__myscopes__&nonce=" + UUID.randomUUID().toString();

            URIBuilder builder = new URIBuilder(endpoint);
            builder.addParameter("client_id", clientId);
            builder.addParameter("response_type", "code");
            builder.addParameter("redirect_uri", base + "atreturn/");
            builder.addParameter("scope", "urn:opc:idm:t.user.me openid urn:opc:idm:__myscopes__");
            builder.addParameter("nonce", UUID.randomUUID().toString());
            URI redirectUrl = builder.build();

            System.out.println("Opend Id URL is " + redirectUrl.toString());
            response.sendRedirect(redirectUrl.toString());
        } catch (Exception ex) {
            ex.printStackTrace();
            request.getRequestDispatcher("/error.jsp").forward(request, response);
        }
    }
}

---

From source file:org.apache.niolex.config.util.LoginInterceptor.java

@Override
public final boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
        throws ServletException, IOException {
    CenterConnector cc = ConnectorUtil.getConnector(request);
    if (cc == null) {
        String s = request.getRequestURI();
        if (s.equals(contextRoot) || s.contains("/login") || s.endsWith(".html")) {
            return true;
        }// ww w.  ja v a 2s. c om
        if (request.getAttribute(KEY) == null) {
            request.setAttribute(KEY,
                    "?????");
            request.getRequestDispatcher("/login").forward(request, response);
            return false;
        } else {
            return true;
        }
    } else if (!cc.isWorking()) {
        ConnectorUtil.invalidateSession(request);
        request.setAttribute(KEY, "??????");
        request.getRequestDispatcher("/login").forward(request, response);
        return false;
    }
    return true;
}

---

From source file:cn.imethan.common.security.handle.AccessDeniedHandlerImpl.java

public void handle(HttpServletRequest request, HttpServletResponse response,
        AccessDeniedException accessDeniedException) throws IOException, ServletException {
    if (!response.isCommitted()) {
        if (errorPage != null) {
            // Put exception into request scope (perhaps of use to a view)
            request.setAttribute(WebAttributes.ACCESS_DENIED_403, accessDeniedException);

            // Set the 403 status code.
            response.setStatus(HttpServletResponse.SC_FORBIDDEN);

            // forward to error page.
            RequestDispatcher dispatcher = request.getRequestDispatcher(errorPage);
            dispatcher.forward(request, response);
        } else {/*from   ww w.j av a2 s .c o  m*/
            response.sendError(HttpServletResponse.SC_FORBIDDEN, accessDeniedException.getMessage());
        }
    }
}

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From source file:io.lavagna.web.security.login.PersonaLogin.java

@Override
public boolean handleLogout(HttpServletRequest req, HttpServletResponse resp)
        throws IOException, ServletException {
    if ("POST".equalsIgnoreCase(req.getMethod())) {
        UserSession.invalidate(req, resp, userRepository);
        resp.setStatus(HttpServletResponse.SC_OK);
        resp.setContentType("application/json");
        JsonObject jsonObject = new JsonObject();
        jsonObject.add("redirectToSelf", new JsonPrimitive(true));
        resp.getWriter().write(jsonObject.toString());
    } else {/*from www .  java 2s.  c  o m*/
        req.getRequestDispatcher(logoutPage).forward(req, resp);
    }
    return true;
}

---

From source file:com.sun.socialsite.web.rest.servlets.ImageServlet.java

/**
 * Handles the HTTP <code>GET</code> method.
 * @param req servlet request/*from www.j  a v a 2s.  c o  m*/
 * @param resp servlet response
 */
@Override
protected final void doGet(HttpServletRequest req, HttpServletResponse resp)
        throws ServletException, IOException {

    String itemName = ((req.getPathInfo() != null) ? req.getPathInfo().substring(1) : null);
    if (itemName != null)
        itemName = URLDecoder.decode(itemName, "UTF-8");

    Result result = getResult(itemName);

    if ((result == null) || (result.imageType == null) || (result.imageType.equals(""))) {
        RequestDispatcher rd = req.getRequestDispatcher(defaultImage);
        rd.forward(req, resp);
        return;
    }

    long ifModifiedTime = 0L;
    if (req.getHeader("If-Modified-Since") != null) {
        try {
            ifModifiedTime = getDateFormat().parse(req.getHeader("If-Modified-Since")).getTime();
        } catch (Throwable intentionallyIgnored) {
        }
    }

    // We've got an EHCache GenericResponseWrapper, it ignores date headers
    //resp.setDateHeader("Last-Modified", lastModifiedString);
    resp.setHeader("Last-Modified", getDateFormat().format(result.lastUpdate));
    resp.setHeader("ETag", result.eTag);

    // Force clients to revalidate each time
    // See RFC 2616 (HTTP 1.1 spec) secs 14.21, 13.2.1
    // We've got an EHCache GenericResponseWrapper, it ignores date headers
    //resp.setDateHeader("Expires", 0);
    resp.setHeader("Expires", epoch);

    // We may also want this (See 13.2.1 and 14.9.4)
    // response.setHeader("Cache-Control","must-revalidate");

    if (result.lastUpdate.getTime() > ifModifiedTime || !handleConditionalGets) {
        resp.setContentType(result.imageType);
        resp.setContentLength(result.imageBytes.length);
        OutputStream out = resp.getOutputStream();
        out.write(result.imageBytes, 0, result.imageBytes.length);
        out.close();
    } else {
        resp.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
    }

    return;
}

---

From source file:edu.cornell.mannlib.vitro.webapp.controller.edit.NamespacePrefixRetryController.java

public void doGet(HttpServletRequest request, HttpServletResponse response) {
    if (!isAuthorizedToDisplayPage(request, response, SimplePermission.USE_MISCELLANEOUS_ADMIN_PAGES.ACTION)) {
        return;//from w  ww .j a v  a 2  s  . co m
    }

    //create an EditProcessObject for this and put it in the session
    EditProcessObject epo = super.createEpo(request);

    if (request.getParameter("prefix") != null) {
        epo.setAction("update");
        request.setAttribute("_action", "update");
    } else {
        epo.setAction("insert");
        request.setAttribute("_action", "insert");
    }

    RequestDispatcher rd = request.getRequestDispatcher(Controllers.BASIC_JSP);
    request.setAttribute("editAction", "namespacePrefixOp");
    request.setAttribute("bodyJsp", "/templates/edit/formBasic.jsp");
    request.setAttribute("scripts", "/templates/edit/formBasic.js");
    request.setAttribute("formJsp", "/templates/edit/specific/namespacePrefix_retry.jsp");
    request.setAttribute("title", "Edit Namespace Prefix Mapping");
    setRequestAttributes(request, epo);

    try {
        rd.forward(request, response);
    } catch (Exception e) {
        log.error(this.getClass().getName() + " could not forward to view.");
        log.error(e.getMessage());
        log.error(e.getStackTrace());
    }

}

---

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