if (fessConfig.isValidUserCode(userCode)) {
            return userCode;
        }
        return null;
    }

    /**
     * Deletes the user code cookie from the client browser.
     * This method removes the user identification cookie by setting it to an empty value with zero max age.
     *
     * @param request the HTTP servlet request
     */

                                        <la:textarea styleId="content" property="content" styleClass="form-control"
                                                     rows="5"/>
                                    </div>
                                </div>
                                <div class="form-group row">

                                        <la:textarea styleId="permissions" property="permissions"
                                                     styleClass="form-control"
                                                     rows="5"/>
                                    </div>
                                </div>
                                <div class="form-group row">

        final ExtractData extractData = csvExtractor.getText(in, null);
        CloseableUtil.closeQuietly(in);

        final String rowCount = extractData.getValues("row_count")[0];
        // Should extract 2 data rows (header doesn't count toward maxRows)
        assertEquals("2", rowCount);
    }

                                    <div class="col-sm-9">
                                        <la:errors property="inputs"/>
                                        <la:textarea styleId="inputs" property="inputs" rows="5"
                                                     styleClass="form-control"/>
                                    </div>
                                </div>

                                        <la:textarea styleId="parameters" property="parameters"
                                                     styleClass="form-control"
                                                     rows="5"/>
                                    </div>
                                </div>
                                <div class="form-group row">

                                        <la:textarea styleId="scriptData" property="scriptData"
                                                     styleClass="form-control"
                                                     rows="5"/>
                                    </div>
                                </div>
                                <div class="form-group row">

constraints.Null.message = {item} muss null sein.
constraints.Past.message = {item} muss ein vergangener Wert sein.
constraints.Pattern.message = {item} stimmt nicht mit "{regexp}" überein.
constraints.Size.message = Die Größe von {item} muss zwischen {min} und {max} liegen.
# ----------------------------------------------------------
# Hibernate Validator
# -------------------

                                        <la:textarea styleId="permissions" property="permissions"
                                                     styleClass="form-control" rows="5"/>
                                    </div>
                                </div>
                                <div class="form-group row">

                                        <la:textarea styleId="parameters" property="parameters"
                                                     styleClass="form-control"
                                                     rows="5"/>
                                    </div>
                                </div>
                                <div class="form-group row">