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) throws IOException;

Source Link

Document

Sends an error response to the client using the specified status code and clears the buffer.

Usage

From source file:fr.aliasource.webmail.server.export.ExportConversationImpl.java

/**
 * The actual business logic./*w  w  w  .j  a  v a  2s.c  om*/
 * 
 * @param requ
 *            the request object
 * @param resp
 *            the response object
 * @throws IOException
 * @throws ServletException
 */
public void service(HttpServletRequest req, HttpServletResponse response) throws IOException, ServletException {
    logger.info("Export conversation called.");

    IAccount account = (IAccount) req.getSession().getAttribute("account");

    if (account == null) {
        response.sendError(HttpServletResponse.SC_FORBIDDEN);
        return;
    }
    String uri = req.getRequestURI();
    String convAndMessageIds = extractConversationIdFromRequestURI(uri);
    MessageId messageId = getMessageIdPart(convAndMessageIds);
    ConversationId conversationId = getConversationIdPart(convAndMessageIds);

    String folder = conversationId.getSourceFolder();

    logger.info("Conversation id: " + conversationId.getConversationId() + " folder: " + folder + " uri: " + uri
            + "Message id: " + messageId);

    Folder f = new Folder(folder, folder);
    ConversationReference cr = account.findConversation(conversationId);
    ClientMessage[] cm = null;
    if (messageId == null) {
        cm = account.fetchMessages(f, cr.getMessageIds());
    } else {
        cm = account.fetchMessages(f, Arrays.asList(messageId));
    }

    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ConversationExporter exporter = new ConversationExporter(
            req.getContextPath() + "/minig/images/logo_print.jpg");
    try {
        if (req.getRequestURI().endsWith(".html")) {
            exporter.exportToHtml(account, cr, cm, baos);
            response.setContentType("text/html");
        } else {
            exporter.exportToPdf(account, cr, cm, baos);
            response.setContentType("application/pdf");
        }
    } catch (ConversationExporterException e) {
        logger.error("Cannot render conversation", e);
        throw new ServletException(e);
    }

    response.setHeader("Expires", "0");
    response.setHeader("Cache-Control", "must-revalidate, post-check=0, pre-check=0");
    response.setHeader("Pragma", "public");

    response.setContentLength(baos.size());
    ServletOutputStream out = response.getOutputStream();
    baos.writeTo(out);
    out.flush();

}

---

From source file:com.bosch.iot.things.tutorial.ui.ProxyServlet.java

@Override
protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    String auth = req.getHeader("Authorization");
    if (auth == null) {
        resp.setHeader("WWW-Authenticate", "BASIC realm=\"Proxy for Bosch IoT Things\"");
        resp.sendError(HttpServletResponse.SC_UNAUTHORIZED);
        return;//from w  w w .  ja v a 2  s.  c om
    }

    try {
        long time = System.currentTimeMillis();
        CloseableHttpClient c = getHttpClient();

        String targetUrl = URL_PREFIX + req.getPathInfo()
                + (req.getQueryString() != null ? ("?" + req.getQueryString()) : "");
        BasicHttpRequest targetReq = new BasicHttpRequest(req.getMethod(), targetUrl);

        String user = "";
        if (auth.toUpperCase().startsWith("BASIC ")) {
            String userpassDecoded = new String(Base64.getDecoder().decode(auth.substring("BASIC ".length())));
            user = userpassDecoded.substring(0, userpassDecoded.indexOf(':'));
            String pass = userpassDecoded.substring(userpassDecoded.indexOf(':') + 1);
            UsernamePasswordCredentials creds = new UsernamePasswordCredentials(user, pass);
            targetReq.addHeader(new BasicScheme().authenticate(creds, targetReq, null));
        }

        targetReq.addHeader("x-cr-api-token", req.getHeader("x-cr-api-token"));
        CloseableHttpResponse targetResp = c.execute(targetHost, targetReq);

        System.out.println("Request: " + targetHost + targetUrl + ", user " + user + " -> "
                + (System.currentTimeMillis() - time) + " msec: " + targetResp.getStatusLine());

        resp.setStatus(targetResp.getStatusLine().getStatusCode());
        targetResp.getEntity().writeTo(resp.getOutputStream());
    } catch (IOException | AuthenticationException ex) {
        throw new RuntimeException(ex);
    }
}

---

From source file:cn.shengyuan.yun.admin.system.controller.CommonController.java

/**
 * ??/*ww w.j  av  a 2s  .  co m*/
 */
@RequestMapping("/unauthorized")
public String unauthorized(HttpServletRequest request, HttpServletResponse response) {
    String requestType = request.getHeader("X-Requested-With");
    if (requestType != null && requestType.equalsIgnoreCase("XMLHttpRequest")) {
        response.addHeader("loginStatus", "unauthorized");
        try {
            response.sendError(HttpServletResponse.SC_FORBIDDEN);
        } catch (IOException e) {
            e.printStackTrace();
        }
        return null;
    }
    return "/common/unauthorized";
}

---

From source file:com.evolveum.midpoint.gui.impl.util.ReportPeerQueryInterceptor.java

private boolean isFileAndExists(File reportFile, String fileName, HttpServletResponse response,
        String operation) throws IOException {

    if (!reportFile.exists()) {
        LOGGER.warn(operation + " not successful. The file: {} was not found on the filesystem.", fileName);
        response.sendError(HttpServletResponse.SC_NOT_FOUND);
        return false;
    }/*from  w w  w. j  a  v a2s  . c om*/

    if (reportFile.isDirectory()) {
        LOGGER.warn(operation
                + " not successful. The file is actually a directory with the name: {}. This operation is prohibited.",
                fileName);
        response.setStatus(HttpServletResponse.SC_FORBIDDEN);
        return false;
    }

    return true;

}

---

From source file:nl.tue.gale.ae.LoginServlet.java

@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    LoginManager login = (LoginManager) getApplicationContext().getBean("loginManager");
    ProcessorManager pm = (ProcessorManager) getApplicationContext().getBean("processorManager");
    login.doLoginPage(pm.createResource(req, resp));
    if (!resp.isCommitted())
        resp.sendError(501);
}

---

From source file:com.logiclander.jaasmine.authentication.http.SimpleLogoutServlet.java

/**
 * Logs out the Subject associated with the user.
 *
 * After the logout is done, the request is dispatched to a Servlet or JSP
 * specified by the {@code postLogoutProcessorName} init-param.  If the
 * param was not specified, a {@code text/plain} message will be written
 * to the response.//  w w w  .  jav a  2  s  .  c om
 *
 * This method is not idempotent.  If a request is made successfully once,
 * the user will be logged out.  Subsequent requests without a login will
 * cause an HTTP 403 - Forbidden to be returned.
 *
 * @param req the HttpServletRequest
 * @param resp the HttpServletResponse
 * @throws ServletException if a ServletException is thrown after the
 * request is dispatched to the post logout processor.
 * @throws IOException if an I/O error occurs.
 */
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

    HttpSession sess = req.getSession();
    Subject subj = (Subject) sess.getAttribute(AuthenticationService.SUBJECT_KEY);

    if (subj == null) {
        resp.sendError(HttpServletResponse.SC_FORBIDDEN);
        return;
    }

    // Log out the Subject
    AuthenticationService as = new SimpleAuthenticationService(appName);
    as.logout(subj);

    // Invalidate the session
    sess.invalidate();

    resp.setStatus(HttpServletResponse.SC_OK);
    RequestDispatcher rd = getServletContext().getNamedDispatcher(postLogoutProcessorName);

    if (rd != null) {
        resp.setContentType("text/html");
        rd.include(req, resp);
    } else {
        sendPlainTextResponse(resp);
    }

}

---

From source file:com.haulmont.cuba.core.controllers.FileDownloadController.java

protected UserSession getSession(HttpServletRequest request, HttpServletResponse response) throws IOException {
    UUID sessionId;// www .  j a  va  2s  . com
    try {
        sessionId = UUID.fromString(request.getParameter("s"));
    } catch (Exception e) {
        log.error("Error parsing sessionId from URL param", e);
        response.sendError(HttpServletResponse.SC_BAD_REQUEST);
        return null;
    }
    UserSession session = userSessions.getAndRefresh(sessionId);
    if (session == null)
        response.sendError(HttpServletResponse.SC_FORBIDDEN);
    return session;
}

---

From source file:com.cueup.hegemon.testing.server.HegemonTestServer.java

/**
 *  The request handler translates an HTTP request to a test class and method to run.
 *//*from   w  w  w  .  ja v a 2  s.  c  o  m*/
@Override
public void handle(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response)
        throws IOException, ServletException {

    if ("/favicon.ico".equals(target)) {
        response.sendError(HttpServletResponse.SC_NOT_FOUND);
        baseRequest.setHandled(true);
        return;
    }

    if (target.length() <= 1) {
        String[] names = AllClassesList.TEST_CLASS_NAMES
                .toArray(new String[AllClassesList.TEST_CLASS_NAMES.size()]);
        Arrays.sort(names);
        markHandled(baseRequest, response, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "text/html");
        for (String name : names) {
            response.getWriter().println("<p><a href=\"" + name + "\">" + name + "</a></p>");
        }
        return;
    }

    try {
        Class c = loadClassByReference(target.substring(1));
        if (c == null) {
            markHandled(baseRequest, response, HttpServletResponse.SC_NOT_FOUND, "text/plain");
            response.getWriter()
                    .println("Could not find class with name or reference to " + target.substring(1));
            return;
        }

        HegemonRunner runner = new HegemonRunner(c, baseRequest.getQueryString(), this.loadPath);
        RunNotifier notifier = new RunNotifier();
        notifier.addListener(new ResponseListener(response, createCustomTestOutputHandler()));

        startTestClass();
        long start = System.currentTimeMillis();

        response.setContentType("text/html;charset=utf-8");
        response.getWriter().print(
                "<style>.ok {color:green} .fail {color:red} .ignore {color:orange} pre {margin-left: 24px}</style>");
        runner.run(notifier);
        response.setStatus(HttpServletResponse.SC_OK);

        response.getWriter()
                .println("<br>Finished in " + ((System.currentTimeMillis() - start) / 1000.0) + " seconds.");

        baseRequest.setHandled(true);

    } catch (Throwable t) { // lint: disable=IllegalCatchCheck
        markHandled(baseRequest, response, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "text/plain");
        t.printStackTrace(response.getWriter());
    }

}

---

From source file:net.shopxx.controller.admin.CommonController.java

/**
 * ??/*from  w  ww.  j  a  v a2s  . co m*/
 */
@RequestMapping("/admin/common/unauthorized")
public String unauthorized(HttpServletRequest request, HttpServletResponse response) {
    String requestType = request.getHeader("X-Requested-With");
    if (requestType != null && requestType.equalsIgnoreCase("XMLHttpRequest")) {
        response.addHeader("loginStatus", "unauthorized");
        try {
            response.sendError(HttpServletResponse.SC_FORBIDDEN);
        } catch (IOException e) {
            e.printStackTrace();
        }
        return null;
    }
    return "/admin/common/unauthorized";
}

---

From source file:com.haulmont.cuba.core.controllers.FileDownloadController.java

protected FileDescriptor getFileDescriptor(HttpServletRequest request, HttpServletResponse response)
        throws IOException {
    UUID fileId;//  w ww. ja  v a2  s . c  om
    try {
        fileId = UUID.fromString(request.getParameter("f"));
    } catch (Exception e) {
        log.error("Error parsing fileId from URL param", e);
        response.sendError(HttpServletResponse.SC_BAD_REQUEST);
        return null;
    }
    FileDescriptor fileDescriptor = dataService.load(new LoadContext<>(FileDescriptor.class).setId(fileId));
    if (fileDescriptor == null)
        response.sendError(HttpServletResponse.SC_NOT_FOUND);
    return fileDescriptor;
}

---

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