Example usage for org.apache.commons.lang3 StringEscapeUtils escapeHtml4

List of usage examples for org.apache.commons.lang3 StringEscapeUtils escapeHtml4

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  6. escapeHtml4

Introduction

In this page you can find the example usage for org.apache.commons.lang3 StringEscapeUtils escapeHtml4.

Prototype

public static final String escapeHtml4(final String input)

Source Link

Document

Escapes the characters in a String using HTML entities.

For example:

"bread" & "butter"

becomes:

"bread" & "butter".

Usage

From source file:no.kantega.publishing.api.taglibs.mini.FormTag.java

@Override
public int doAfterBody() throws JspException {
    HttpServletRequest request = (HttpServletRequest) pageContext.getRequest();
    Content currentEditContent = (Content) request.getAttribute(AdminSessionAttributes.CURRENT_EDIT_CONTENT);

    Boolean hearingEnabled = (Boolean) request.getAttribute("hearingEnabled");

    SecuritySession session = SecuritySession.getInstance(request);
    boolean canApprove = session.isAuthorized(currentEditContent, Privilege.APPROVE_CONTENT);
    ContentStatus contentStatus = (canApprove) ? ContentStatus.PUBLISHED : ContentStatus.WAITING_FOR_APPROVAL;

    if (action == null) {
        action = request.getContextPath() + "/admin/publish/SimpleEditContent.action";
    }//from   w  ww.  j  a  va  2s .  c o m

    String redirectUrl = request.getParameter("redirectUrl");
    String draftRedirectUrl = request.getParameter("draftRedirectUrl");
    String cancelUrl = request.getParameter("cancelUrl");
    if (cancelUrl == null) {
        cancelUrl = redirectUrl;
    }

    try {
        String body = bodyContent.getString();
        JspWriter out = bodyContent.getEnclosingWriter();

        //TODO: Improvement: Use the page's language if this is one of Flyt CMS' supported admin languages.
        Locale locale = Aksess.getDefaultAdminLocale();

        out.write("<script type=\"text/javascript\">" + "var hasSubmitted = false;"
                + "function saveContent(status) {" + "   if (!hasSubmitted) {" + "      hasSubmitted=true;"
                + "      document.myform.status.value=status;" + "      document.myform.submit();" + "   }"
                + "}" + "</script>");

        if (!hideInfoMessages) {
            if (!canApprove) {
                out.write("<div class=\"ui-state-highlight\">"
                        + LocaleLabels.getLabel("aksess.simpleedit.approvereminder", locale) + "</div>");
            }

            if (currentEditContent.getStatus() == ContentStatus.DRAFT && currentEditContent.getVersion() > 1) {
                out.write("<div class=\"ui-state-highlight\">"
                        + LocaleLabels.getLabel("aksess.simpleedit.editdraft", locale) + "</div>");
            }
        }

        out.write("<form name=\"myform\" id=\"EditContentForm\" action=\"" + action
                + "\" method=\"post\" enctype=\"multipart/form-data\">"
                + "    <input type=\"hidden\" id=\"ContentStatus\" name=\"status\" value=\"" + contentStatus
                + "\">" + "    <input type=\"hidden\" name=\"currentId\" value=\"" + currentEditContent.getId()
                + "\">"
                + "    <input type=\"hidden\" id=\"ContentIsModified\" name=\"isModified\" value=\"true\">"
                + "    <input type=\"hidden\" id=\"AddRepeaterRow\" name=\"addRepeaterRow\" value=\"\">"
                + "    <input type=\"hidden\" id=\"DeleteRepeaterRow\" name=\"deleteRepeaterRow\" value=\"\">");
        if (allowDraft && isNotBlank(redirectUrl)) {
            out.write("    <input type=\"hidden\" name=\"redirectUrl\" value=\""
                    + StringEscapeUtils.escapeHtml4(redirectUrl) + "\">");
        }
        if (isNotBlank(draftRedirectUrl)) {
            out.write("    <input type=\"hidden\" name=\"draftRedirectUrl\" value=\""
                    + StringEscapeUtils.escapeHtml4(draftRedirectUrl) + "\">");
        }
        if (isNotBlank(cancelUrl)) {
            out.write("    <input type=\"hidden\" name=\"cancelUrl\" value=\""
                    + StringEscapeUtils.escapeHtml4(cancelUrl) + "\">");
        }

        out.write(body);

        String submitButtonLabel = (canApprove) ? LocaleLabels.getLabel("aksess.button.publish", locale)
                : LocaleLabels.getLabel("aksess.button.save", locale);
        out.write("    <input class=\"editContentButton submit\" type=\"button\" value=\"" + submitButtonLabel
                + "\" onclick=\"saveContent(" + ContentStatus.PUBLISHED.getTypeAsInt() + ")\">");
        if (allowDraft) {
            out.write("    <input class=\"editContentButton draft\" type=\"button\" value=\""
                    + LocaleLabels.getLabel("aksess.button.savedraft", locale) + "\" onclick=\"saveContent("
                    + ContentStatus.DRAFT.getTypeAsInt() + ")\">");
        }
        if (hearingEnabled != null && hearingEnabled) {
            String url = "openaksess.common.modalWindow.open({title:'"
                    + LocaleLabels.getLabel("aksess.hearing.title", locale) + "', iframe:true, href: '"
                    + request.getContextPath()
                    + "/admin/publish/popups/SaveHearing.action' ,width: 600, height:550});";
            out.write("    <input class=\"editContentButton hearing\" type=\"button\" value=\""
                    + LocaleLabels.getLabel("aksess.button.hearing", locale) + "\" onclick=\"" + url + "\">");
        }
        String cancelAction = request.getContextPath() + "/SimpleEditCancel.action";
        if (cancelUrl != null && cancelUrl.trim().length() > 0) {
            cancelAction = cancelAction + "?redirectUrl=" + cancelUrl;
        }
        out.write("    <input class=\"editContentButton cancel\" type=\"button\" value=\""
                + LocaleLabels.getLabel("aksess.button.cancel", locale) + "\" onclick=\"window.location.href ='"
                + cancelAction + "'\">");

        if (showattachmentmodal) {
            String url = "openaksess.common.modalWindow.open({title:'"
                    + LocaleLabels.getLabel("aksess.tab.attachments", locale) + "', iframe:true, href: '"
                    + request.getContextPath() + "/admin/publish/popups/ShowAttachments.action?contentId="
                    + currentEditContent.getId() + "' ,width: 600, height:550});";
            out.write("    <input class=\"editContentButton attachments\" type=\"button\" value=\""
                    + LocaleLabels.getLabel("aksess.tab.attachments", locale) + "\" onclick=\"" + url + "\">");
        }

        out.write("</form>");

        allowDraft = false;

    } catch (IOException e) {
        log.error("", e);
    }

    return SKIP_BODY;
}

From source file:no.kantega.publishing.security.action.LoginAction.java

public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response) throws Exception {
    String username = request.getParameter("j_username");
    String domain = request.getParameter("j_domain");
    String password = request.getParameter("j_password");
    String redirect = defaultString(request.getParameter("redirect"), Aksess.getContextPath());
    String rememberMe = request.getParameter("remember_me");

    if (loginRequireSsl && !request.isSecure()) {
        return redirectToSecure(request);
    }// w ww. j a va  2s .co m

    // If login page is secure, redirect to secure page after logging in
    if (request.isSecure() && redirect.startsWith("http:")) {
        redirect = redirect.replaceFirst("http:", "https:");
    }

    // Checks if no roles exists and redirects to setup page
    if (!rolesExists) {
        return new ModelAndView(new RedirectView(Aksess.getContextPath() + "/CreateInitialUser.action"));
    }

    ResetPasswordTokenManager resetPasswordTokenManager = getResetPasswordTokenManager();

    Map<String, Object> model = new HashMap<>();
    model.put("redirect", StringEscapeUtils.escapeHtml4(redirect));
    model.put("username", StringEscapeUtils.escapeHtml4(username));
    model.put("loginLayout", getLoginLayout());

    if (Aksess.isSecurityAllowPasswordReset() && resetPasswordTokenManager != null) {
        model.put("allowPasswordReset", true);
    }

    if (username != null && password != null) {
        Identity identity = DefaultIdentity.withDomainAndUserId(domain, username);

        boolean blockedUser = userLoginRestrictor.isBlocked(username);
        boolean blockedIp = ipLoginRestrictor.isBlocked(request.getRemoteAddr());

        if (blockedUser || blockedIp) {
            // User or ip should be blocked, to many login attempts
            if (blockedUser) {
                model.put("blockedUser", Boolean.TRUE);
                log.info("Too many attempts. User is blocked from login:" + username);
            } else {
                model.put("blockedIP", Boolean.TRUE);
                log.info("Too many attempts. IP-adress is blocked from login:" + request.getRemoteAddr());
            }
        } else {
            PasswordManager passwordManager = getPasswordManager(domain);

            if (passwordManager == null) {
                throw new ConfigurationException("PasswordManager == null for domain " + domain + "");
            }
            if (passwordManager.verifyPassword(identity, password)) {
                log.info("Verified password for " + identity.getUserId());
                if (twoFactorAuthenticationEnabled()) {
                    return handleTwoFactorAuthentication(identity, model);
                } else {
                    LoginHelper.registerSuccessfulLogin(userLoginRestrictor, ipLoginRestrictor, request,
                            username, domain);

                    boolean rememberMeEnabled = configuration.getBoolean("security.login.rememberme.enabled",
                            false);
                    if (rememberMeEnabled && rememberMe != null && rememberMe.equals("on")) {
                        rememberMeHandler.rememberUser(response, username, domain);
                    }

                    return new ModelAndView(new RedirectView(redirect));
                }
            } else {
                // Register failed login
                userLoginRestrictor.registerLoginAttempt(username, false);
                ipLoginRestrictor.registerLoginAttempt(request.getRemoteAddr(), false);

                eventLog.log(username, request.getRemoteAddr(), Event.FAILED_LOGIN, username, null);
                model.put("loginfailed", Boolean.TRUE);
            }
        }
    }

    return new ModelAndView(loginView, model);
}

From source file:no.kantega.publishing.security.action.LoginTokenAction.java

@RequestMapping(value = "/LoginToken.action", method = RequestMethod.POST)
public ModelAndView handleLoginToken(HttpServletRequest request, @RequestParam String username,
        @RequestParam String domain, @RequestParam String logintoken, @RequestParam String redirect) {
    Identity identity = DefaultIdentity.withDomainAndUserId(domain, username);
    Map<String, Object> model = new HashMap<>();
    if (loginTokenRestrictor.isBlocked(username)) {
        model.put("blockedUser", true);
    } else {//from  w  w  w  . j a  v a  2  s.com
        LoginTokenVerification tokenVerification = loginTokenManager.verifyLoginToken(identity,
                new DefaultLoginToken(logintoken));

        switch (tokenVerification) {
        case VALID:
            return handleValidToken(request, identity, redirect);
        case INVALID:
            handleInvalidToken(model, identity);
            break;
        case EXPIRED:
            handleExpiredToken(model);
            break;
        }
    }

    model.put("redirect", StringEscapeUtils.escapeHtml4(redirect));
    model.put("username", StringEscapeUtils.escapeHtml4(username));
    return new ModelAndView(twofactorAuthView, model);
}

From source file:org.ambraproject.rhino.service.impl.ArticleCrudServiceImpl.java

/**
 * {@inheritDoc}//from  w  w w . j a  v a  2s .  c om
 *
 * @param articleId
 */
@Override
public String getRawCategoriesAndText(final ArticleIdentifier articleId) throws IOException {
    Article article = readArticle(articleId);
    ArticleRevision revision = readLatestRevision(article);
    Document manuscriptXml = getManuscriptXml(revision.getIngestion());

    List<String> rawTermsAndText = taxonomyService.getRawTerms(manuscriptXml, article, true /*isTextRequired*/);
    StringBuilder cleanedTermsAndText = new StringBuilder();
    cleanedTermsAndText.append("<pre>");
    // HTML-escape the text, which is in the first element of the result array
    cleanedTermsAndText.append(StringEscapeUtils.escapeHtml4(rawTermsAndText.get(0)));
    cleanedTermsAndText.append("\n");

    for (int i = 1; i < rawTermsAndText.size(); i++) {
        String term = rawTermsAndText.get(i).replaceAll("<TERM>", "").replaceAll("</TERM>", "");
        cleanedTermsAndText.append("\n");
        cleanedTermsAndText.append(term);
    }
    cleanedTermsAndText.append("</pre>");
    return cleanedTermsAndText.toString();
}

From source file:org.apache.asterix.common.config.ConfigUsageTest.java

private StringBuilder center(StringBuilder buf, String string, int width) {
    if (string == null) {
        string = "";
    }// w  ww  .  j a v a  2s . c  o  m
    string = StringEscapeUtils.escapeHtml4(string);
    int pad = width - string.length();
    int leftPad = pad / 2;
    for (int i = leftPad; i > 0; i--) {
        buf.append(' ');
    }
    buf.append(string);
    for (int i = pad - leftPad; i > 0; i--) {
        buf.append(' ');
    }
    return buf;
}

From source file:org.apache.asterix.common.config.ConfigUsageTest.java

private StringBuilder pad(StringBuilder buf, String string, int width, char padChar) {
    if (string == null) {
        string = "";
    }//from  www .ja  va 2  s  . c  om
    string = StringEscapeUtils.escapeHtml4(string);
    buf.append(string);
    for (int i = width - string.length(); i > 0; i--) {
        buf.append(padChar);
    }
    return buf;
}

From source file:org.apache.chemistry.opencmis.server.impl.webservices.CmisWebServicesServlet.java

private void printPage(HttpServletRequest request, HttpServletResponse response, UrlBuilder baseUrl)
        throws ServletException, IOException {
    response.setStatus(HttpServletResponse.SC_OK);
    response.setContentType("text/html");
    response.setCharacterEncoding(IOUtils.UTF8);

    String urlEscaped = StringEscapeUtils
            .escapeHtml4((new UrlBuilder(baseUrl)).addPath("cmis").addParameter("wsdl").toString());

    PrintWriter pw = response.getWriter();

    pw.print("<html><head><title>Apache Chemistry OpenCMIS - CMIS " + cmisVersion.value()
            + " Web Services</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>CMIS " + cmisVersion.value() + " Web Services</h1>");
    pw.print("<p>CMIS WSDL for all services: <a href=\"" + urlEscaped + "\">" + urlEscaped + "</a></p>");

    pw.print("</html></body>");
    pw.flush();/*from  w ww  . j av  a  2 s. com*/
}

From source file:org.apache.cloud.rdf.web.sail.RdfController.java

private void performUpdate(final String query, final SailRepositoryConnection conn,
        final ServletOutputStream os, final String infer, final String vis)
        throws RepositoryException, MalformedQueryException, IOException {
    final Update update = conn.prepareUpdate(QueryLanguage.SPARQL, query);
    if (infer != null && infer.length() > 0) {
        update.setBinding(RdfCloudTripleStoreConfiguration.CONF_INFER,
                VALUE_FACTORY.createLiteral(Boolean.parseBoolean(infer)));
    }/*from w ww .  j  a  v  a 2  s . c om*/

    if (conn.getSailConnection() instanceof RdfCloudTripleStoreConnection && vis != null) {
        final RdfCloudTripleStoreConnection<?> sailConnection = (RdfCloudTripleStoreConnection<?>) conn
                .getSailConnection();
        sailConnection.getConf().set(RdfCloudTripleStoreConfiguration.CONF_CV, vis);
    }

    final long startTime = System.currentTimeMillis();

    try {
        update.execute();
    } catch (final UpdateExecutionException e) {
        final String message = "Update could not be successfully completed for query: ";
        os.print(String.format(message + "%s\n\n", StringEscapeUtils.escapeHtml4(query)));
        log.error(message + LogUtils.clean(query), e);
    }

    log.info(String.format("Update Time = %.3f\n", (System.currentTimeMillis() - startTime) / 1000.));
}

From source file:org.apache.flink.client.program.Client.java

public OptimizedPlan getOptimizedPlan(PackagedProgram prog, int parallelism)
        throws CompilerException, ProgramInvocationException {
    Thread.currentThread().setContextClassLoader(prog.getUserCodeClassLoader());
    if (prog.isUsingProgramEntryPoint()) {
        return getOptimizedPlan(prog.getPlanWithJars(), parallelism);
    } else if (prog.isUsingInteractiveMode()) {
        // temporary hack to support the optimizer plan preview
        OptimizerPlanEnvironment env = new OptimizerPlanEnvironment(this.compiler);
        if (parallelism > 0) {
            env.setDegreeOfParallelism(parallelism);
        }/*from  w  w  w .ja  v  a2  s  . c  o m*/
        env.setAsContext();

        // temporarily write syser and sysout to bytearray.
        PrintStream originalOut = System.out;
        PrintStream originalErr = System.err;
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        System.setOut(new PrintStream(baos));
        ByteArrayOutputStream baes = new ByteArrayOutputStream();
        System.setErr(new PrintStream(baes));
        try {
            ContextEnvironment.disableLocalExecution();
            prog.invokeInteractiveModeForExecution();
        } catch (ProgramInvocationException e) {
            throw e;
        } catch (Throwable t) {
            // the invocation gets aborted with the preview plan
            if (env.optimizerPlan != null) {
                return env.optimizerPlan;
            } else {
                throw new ProgramInvocationException("The program caused an error: ", t);
            }
        } finally {
            System.setOut(originalOut);
            System.setErr(originalErr);
            System.err.println(baes);
            System.out.println(baos);
        }

        throw new ProgramInvocationException(
                "The program plan could not be fetched. The program silently swallowed the control flow exceptions.\n"
                        + "System.err: " + StringEscapeUtils.escapeHtml4(baes.toString()) + " \n"
                        + "System.out: " + StringEscapeUtils.escapeHtml4(baos.toString()) + " \n");
    } else {
        throw new RuntimeException();
    }
}

From source file:org.apache.flink.client.web.JobSubmissionServlet.java

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    String action = req.getParameter(ACTION_PARAM_NAME);
    if (checkParameterSet(resp, action, "action")) {
        return;//w ww .j av a  2  s  . co m
    }

    // decide according to the action
    if (action.equals(ACTION_SUBMIT_VALUE)) {
        // --------------- submit a job -------------------

        // get the parameters
        String options = req.getParameter(OPTIONS_PARAM_NAME);
        String jobName = req.getParameter(JOB_PARAM_NAME);
        String assemblerClass = req.getParameter(CLASS_PARAM_NAME);
        String arguments = req.getParameter(ARGUMENTS_PARAM_NAME);
        String showPlan = req.getParameter(SHOW_PLAN_PARAM_NAME);
        String suspendPlan = req.getParameter(SUSPEND_PARAM_NAME);

        // check that parameters are set
        // do NOT check 'options' or 'assemblerClass' -> it is OK if not set
        if (checkParameterSet(resp, jobName, JOB_PARAM_NAME)
                || checkParameterSet(resp, arguments, ARGUMENTS_PARAM_NAME)
                || checkParameterSet(resp, showPlan, SHOW_PLAN_PARAM_NAME)
                || checkParameterSet(resp, suspendPlan, SUSPEND_PARAM_NAME)) {
            return;
        }

        boolean show = Boolean.parseBoolean(showPlan);
        boolean suspend = Boolean.parseBoolean(suspendPlan);

        List<String> cliOptions;
        try {
            cliOptions = tokenizeArguments(options);
        } catch (IllegalArgumentException iaex) {
            showErrorPage(resp, "Flink options contain an unterminated quoted string.");
            return;
        }

        List<String> cliArguments;
        try {
            cliArguments = tokenizeArguments(arguments);
        } catch (IllegalArgumentException iaex) {
            showErrorPage(resp, "Program arguments contain an unterminated quoted string.");
            return;
        }

        String[] args = new String[1 + (assemblerClass == null ? 0 : 2) + cliOptions.size() + 1
                + cliArguments.size()];

        List<String> parameters = new ArrayList<String>(args.length);
        parameters.add(CliFrontend.ACTION_INFO);
        parameters.addAll(cliOptions);
        if (assemblerClass != null) {
            parameters.add("-" + CliFrontendParser.CLASS_OPTION.getOpt());
            parameters.add(assemblerClass);
        }
        parameters.add(jobStoreDirectory + File.separator + jobName);
        parameters.addAll(cliArguments);

        FlinkPlan optPlan;
        try {
            this.cli.parseParameters(parameters.toArray(args));

            optPlan = this.cli.getFlinkPlan();
            if (optPlan == null) {
                // wrapping hack to get this exception handled correctly by following catch block
                throw new RuntimeException(new Exception("The optimized plan could not be produced."));
            }
        } catch (RuntimeException e) {
            Throwable t = e.getCause();

            if (t instanceof ProgramInvocationException) {
                // collect the stack trace
                StringWriter sw = new StringWriter();
                PrintWriter w = new PrintWriter(sw);

                if (t.getCause() == null) {
                    t.printStackTrace(w);
                } else {
                    t.getCause().printStackTrace(w);
                }

                String message = sw.toString();
                message = StringEscapeUtils.escapeHtml4(message);

                showErrorPage(resp, "An error occurred while invoking the program:<br/><br/>" + t.getMessage()
                        + "<br/>" + "<br/><br/><pre>" + message + "</pre>");
                return;
            } else if (t instanceof CompilerException) {
                // collect the stack trace
                StringWriter sw = new StringWriter();
                PrintWriter w = new PrintWriter(sw);
                t.printStackTrace(w);

                String message = sw.toString();
                message = StringEscapeUtils.escapeHtml4(message);

                showErrorPage(resp,
                        "An error occurred in the compiler:<br/><br/>" + t.getMessage() + "<br/>"
                                + (t.getCause() != null ? "Caused by: " + t.getCause().getMessage() : "")
                                + "<br/><br/><pre>" + message + "</pre>");
                return;
            } else {
                // collect the stack trace
                StringWriter sw = new StringWriter();
                PrintWriter w = new PrintWriter(sw);
                t.printStackTrace(w);

                String message = sw.toString();
                message = StringEscapeUtils.escapeHtml4(message);

                showErrorPage(resp, "An unexpected error occurred:<br/><br/>" + t.getMessage()
                        + "<br/><br/><pre>" + message + "</pre>");
                return;
            }
        }

        // redirect according to our options
        if (show) {
            // we have a request to show the plan

            // create a UID for the job
            Long uid;
            do {
                uid = Math.abs(this.rand.nextLong());
            } while (this.submittedJobs.containsKey(uid));

            // dump the job to a JSON file
            String planName = uid + ".json";
            File jsonFile = new File(this.planDumpDirectory, planName);

            if (optPlan instanceof StreamingPlan) {
                ((StreamingPlan) optPlan).dumpStreamingPlanAsJSON(jsonFile);
            } else {
                PlanJSONDumpGenerator jsonGen = new PlanJSONDumpGenerator();
                jsonGen.setEncodeForHTML(true);
                jsonGen.dumpOptimizerPlanAsJSON((OptimizedPlan) optPlan, jsonFile);
            }

            // submit the job only, if it should not be suspended
            if (!suspend) {
                parameters.set(0, CliFrontend.ACTION_RUN);
                try {
                    this.cli.parseParameters(parameters.toArray(args));
                } catch (RuntimeException e) {
                    LOG.error("Error submitting job to the job-manager.", e.getCause());
                    showErrorPage(resp, e.getCause().getMessage());
                    return;
                }
            } else {
                this.submittedJobs.put(uid, this.cli.getJobGraph());
            }

            // redirect to the plan display page
            resp.sendRedirect("showPlan?id=" + uid + "&suspended=" + (suspend ? "true" : "false"));
        } else {
            // don't show any plan. directly submit the job and redirect to the
            // runtime monitor
            parameters.set(0, CliFrontend.ACTION_RUN);
            try {
                this.cli.parseParameters(parameters.toArray(args));
            } catch (RuntimeException e) {
                LOG.error("Error submitting job to the job-manager.", e.getCause());
                // HACK: Is necessary because Message contains whole stack trace
                String errorMessage = e.getCause().getMessage().split("\n")[0];
                showErrorPage(resp, errorMessage);
                return;
            }
            resp.sendRedirect(START_PAGE_URL);
        }
    } else if (action.equals(ACTION_RUN_SUBMITTED_VALUE)) {
        // --------------- run a job that has been submitted earlier, but was -------------------
        // --------------- not executed because of a plan display -------------------

        String id = req.getParameter("id");
        if (checkParameterSet(resp, id, "id")) {
            return;
        }

        Long uid = null;
        try {
            uid = Long.parseLong(id);
        } catch (NumberFormatException nfex) {
            showErrorPage(resp, "An invalid id for the job was provided.");
            return;
        }

        // get the retained job
        JobGraph job = submittedJobs.remove(uid);
        if (job == null) {
            resp.sendError(HttpServletResponse.SC_BAD_REQUEST,
                    "No job with the given uid was retained for later submission.");
            return;
        }

        // submit the job
        try {
            Client client = new Client(GlobalConfiguration.getConfiguration(), getClass().getClassLoader());
            client.run(job, false);
        } catch (Exception ex) {
            LOG.error("Error submitting job to the job-manager.", ex);
            resp.setStatus(HttpServletResponse.SC_BAD_REQUEST);
            // HACK: Is necessary because Message contains whole stack trace
            String errorMessage = ex.getMessage().split("\n")[0];
            resp.getWriter().print(errorMessage);
            // resp.sendError(HttpServletResponse.SC_BAD_REQUEST, ex.getMessage());
            return;
        }

        // redirect to the start page
        resp.sendRedirect(START_PAGE_URL);
    } else if (action.equals(ACTION_BACK_VALUE)) {
        // remove the job from the map

        String id = req.getParameter("id");
        if (checkParameterSet(resp, id, "id")) {
            return;
        }

        Long uid = null;
        try {
            uid = Long.parseLong(id);
        } catch (NumberFormatException nfex) {
            showErrorPage(resp, "An invalid id for the job was provided.");
            return;
        }

        // remove the retained job
        submittedJobs.remove(uid);

        // redirect to the start page
        resp.sendRedirect(START_PAGE_URL);
    } else {
        showErrorPage(resp, "Invalid action specified.");
        return;
    }
}