Examples with IEmailService org.cerberus.service.email.IEmailService used on opensource projects

Example 1 with IEmailService

use of org.cerberus.service.email.IEmailService in project cerberus-source by cerberustesting.

the class DisableEnvironment method processRequest.

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods.
 *
 * @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, JSONException {
    JSONObject jsonResponse = new JSONObject();
    AnswerItem answerItem = new AnswerItem();
    MessageEvent msg = new MessageEvent(MessageEventEnum.DATA_OPERATION_ERROR_UNEXPECTED);
    msg.setDescription(msg.getDescription().replace("%DESCRIPTION%", ""));
    answerItem.setResultMessage(msg);
    PolicyFactory policy = Sanitizers.FORMATTING.and(Sanitizers.LINKS);
    response.setContentType("application/json");
    /**
     * Parsing and securing all required parameters.
     */
    String system = policy.sanitize(request.getParameter("system"));
    String country = policy.sanitize(request.getParameter("country"));
    String env = policy.sanitize(request.getParameter("environment"));
    // Init Answer with potencial error from Parsing parameter.
    // AnswerItem answer = new AnswerItem(msg);
    String eMailContent = "";
    ApplicationContext appContext = WebApplicationContextUtils.getWebApplicationContext(this.getServletContext());
    IEmailService emailService = appContext.getBean(IEmailService.class);
    ICountryEnvParamService countryEnvParamService = appContext.getBean(ICountryEnvParamService.class);
    ICountryEnvParam_logService countryEnvParam_logService = appContext.getBean(ICountryEnvParam_logService.class);
    ILogEventService logEventService = appContext.getBean(LogEventService.class);
    if (request.getParameter("system") == null) {
        msg = new MessageEvent(MessageEventEnum.DATA_OPERATION_ERROR_EXPECTED);
        msg.setDescription(msg.getDescription().replace("%ITEM%", ITEM).replace("%OPERATION%", OPERATION).replace("%REASON%", "System name is missing!"));
        answerItem.setResultMessage(msg);
    } else if (request.getParameter("country") == null) {
        msg = new MessageEvent(MessageEventEnum.DATA_OPERATION_ERROR_EXPECTED);
        msg.setDescription(msg.getDescription().replace("%ITEM%", ITEM).replace("%OPERATION%", OPERATION).replace("%REASON%", "Country is missing!"));
        answerItem.setResultMessage(msg);
    } else if (request.getParameter("environment") == null) {
        msg = new MessageEvent(MessageEventEnum.DATA_OPERATION_ERROR_EXPECTED);
        msg.setDescription(msg.getDescription().replace("%ITEM%", ITEM).replace("%OPERATION%", OPERATION).replace("%REASON%", "Environment is missing!"));
        answerItem.setResultMessage(msg);
    } else {
        // All parameters are OK we can start performing the operation.
        // Getting the contryEnvParam based on the parameters.
        answerItem = countryEnvParamService.readByKey(system, country, env);
        if (!(answerItem.isCodeEquals(MessageEventEnum.DATA_OPERATION_OK.getCode()) && answerItem.getItem() != null)) {
            /**
             * Object could not be found. We stop here and report the error.
             */
            msg = new MessageEvent(MessageEventEnum.DATA_OPERATION_ERROR_EXPECTED);
            msg.setDescription(msg.getDescription().replace("%ITEM%", OBJECT_NAME).replace("%OPERATION%", OPERATION).replace("%REASON%", OBJECT_NAME + " ['" + system + "','" + country + "','" + env + "'] does not exist. Cannot disable it!"));
            answerItem.setResultMessage(msg);
        } else {
            /**
             * The service was able to perform the query and confirm the
             * object exist, then we can update it.
             */
            CountryEnvParam cepData = (CountryEnvParam) answerItem.getItem();
            cepData.setActive(false);
            Answer answer = countryEnvParamService.update(cepData);
            if (!(answer.isCodeEquals(MessageEventEnum.DATA_OPERATION_OK.getCode()))) {
                /**
                 * Object could not be updated. We stop here and report the
                 * error.
                 */
                answerItem.setResultMessage(answer.getResultMessage());
            } else {
                /**
                 * Update was successful.
                 */
                // Adding Log entry.
                logEventService.createForPrivateCalls("/DisableEnvironment", "UPDATE", "Updated CountryEnvParam : ['" + system + "','" + country + "','" + env + "']", request);
                // Adding CountryEnvParam Log entry.
                countryEnvParam_logService.createLogEntry(system, country, env, "", "", "Disabled.", request.getUserPrincipal().getName());
                /**
                 * Email notification.
                 */
                String OutputMessage = "";
                MessageEvent me = emailService.generateAndSendDisableEnvEmail(system, country, env);
                if (!"OK".equals(me.getMessage().getCodeString())) {
                    LOG.warn(Infos.getInstance().getProjectNameAndVersion() + " - Exception catched." + me.getMessage().getDescription());
                    logEventService.createForPrivateCalls("/DisableEnvironment", "DISABLE", "Warning on Disable environment : ['" + system + "','" + country + "','" + env + "'] " + me.getMessage().getDescription(), request);
                    OutputMessage = me.getMessage().getDescription();
                }
                if (OutputMessage.equals("")) {
                    msg = new MessageEvent(MessageEventEnum.DATA_OPERATION_OK);
                    msg.setDescription(msg.getDescription().replace("%ITEM%", "Environment").replace("%OPERATION%", OPERATION));
                    answerItem.setResultMessage(msg);
                } else {
                    msg = new MessageEvent(MessageEventEnum.DATA_OPERATION_OK);
                    msg.setDescription(msg.getDescription().replace("%ITEM%", "Environment").replace("%OPERATION%", OPERATION).concat(" Just one warning : ").concat(OutputMessage));
                    answerItem.setResultMessage(msg);
                }
            }
        }
    }
    /**
     * Formating and returning the json result.
     */
    jsonResponse.put("messageType", answerItem.getResultMessage().getMessage().getCodeString());
    jsonResponse.put("message", answerItem.getResultMessage().getDescription());
    response.getWriter().print(jsonResponse);
    response.getWriter().flush();
}

Example 2 with IEmailService

use of org.cerberus.service.email.IEmailService in project cerberus-source by cerberustesting.

the class NewBuildRev method processRequest.

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods.
 *
 * @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, JSONException {
    JSONObject jsonResponse = new JSONObject();
    AnswerItem answerItem = new AnswerItem();
    MessageEvent msg = new MessageEvent(MessageEventEnum.DATA_OPERATION_ERROR_UNEXPECTED);
    msg.setDescription(msg.getDescription().replace("%DESCRIPTION%", ""));
    answerItem.setResultMessage(msg);
    PolicyFactory policy = Sanitizers.FORMATTING.and(Sanitizers.LINKS);
    response.setContentType("application/json");
    /**
     * Parsing and securing all required parameters.
     */
    String system = policy.sanitize(request.getParameter("system"));
    String country = policy.sanitize(request.getParameter("country"));
    String env = policy.sanitize(request.getParameter("environment"));
    String build = policy.sanitize(request.getParameter("build"));
    String revision = policy.sanitize(request.getParameter("revision"));
    // Init Answer with potencial error from Parsing parameter.
    // AnswerItem answer = new AnswerItem(msg);
    String eMailContent;
    ApplicationContext appContext = WebApplicationContextUtils.getWebApplicationContext(this.getServletContext());
    IEmailService emailService = appContext.getBean(IEmailService.class);
    IEmailGenerationService emailGenerationService = appContext.getBean(IEmailGenerationService.class);
    IParameterService parameterService = appContext.getBean(IParameterService.class);
    ICountryEnvParamService countryEnvParamService = appContext.getBean(ICountryEnvParamService.class);
    ICountryEnvParam_logService countryEnvParam_logService = appContext.getBean(ICountryEnvParam_logService.class);
    ILogEventService logEventService = appContext.getBean(LogEventService.class);
    if (request.getParameter("system") == null) {
        msg = new MessageEvent(MessageEventEnum.DATA_OPERATION_ERROR_EXPECTED);
        msg.setDescription(msg.getDescription().replace("%ITEM%", ITEM).replace("%OPERATION%", OPERATION).replace("%REASON%", "System name is missing!"));
        answerItem.setResultMessage(msg);
    } else if (request.getParameter("country") == null) {
        msg = new MessageEvent(MessageEventEnum.DATA_OPERATION_ERROR_EXPECTED);
        msg.setDescription(msg.getDescription().replace("%ITEM%", ITEM).replace("%OPERATION%", OPERATION).replace("%REASON%", "Country is missing!"));
        answerItem.setResultMessage(msg);
    } else if (request.getParameter("environment") == null) {
        msg = new MessageEvent(MessageEventEnum.DATA_OPERATION_ERROR_EXPECTED);
        msg.setDescription(msg.getDescription().replace("%ITEM%", ITEM).replace("%OPERATION%", OPERATION).replace("%REASON%", "Environment is missing!"));
        answerItem.setResultMessage(msg);
    } else if (request.getParameter("build") == null) {
        msg = new MessageEvent(MessageEventEnum.DATA_OPERATION_ERROR_EXPECTED);
        msg.setDescription(msg.getDescription().replace("%ITEM%", ITEM).replace("%OPERATION%", OPERATION).replace("%REASON%", "Build is missing!"));
        answerItem.setResultMessage(msg);
    } else if (request.getParameter("revision") == null) {
        msg = new MessageEvent(MessageEventEnum.DATA_OPERATION_ERROR_EXPECTED);
        msg.setDescription(msg.getDescription().replace("%ITEM%", ITEM).replace("%OPERATION%", OPERATION).replace("%REASON%", "Revision is missing!"));
        answerItem.setResultMessage(msg);
    } else {
        // All parameters are OK we can start performing the operation.
        // Getting the contryEnvParam based on the parameters.
        answerItem = countryEnvParamService.readByKey(system, country, env);
        if (!(answerItem.isCodeEquals(MessageEventEnum.DATA_OPERATION_OK.getCode()) && answerItem.getItem() != null)) {
            /**
             * Object could not be found. We stop here and report the error.
             */
            msg = new MessageEvent(MessageEventEnum.DATA_OPERATION_ERROR_EXPECTED);
            msg.setDescription(msg.getDescription().replace("%ITEM%", OBJECT_NAME).replace("%OPERATION%", OPERATION).replace("%REASON%", OBJECT_NAME + " ['" + system + "','" + country + "','" + env + "'] does not exist. Cannot activate it!"));
            answerItem.setResultMessage(msg);
        } else {
            /**
             * The service was able to perform the query and confirm the
             * object exist, then we can update it.
             */
            // Email Calculation. Email must be calcuated before we update the Build and revision in order to have the old build revision still available in the mail.
            String OutputMessage = "";
            Email email = null;
            try {
                email = emailGenerationService.generateRevisionChangeEmail(system, country, env, build, revision);
            } catch (Exception ex) {
                LOG.warn(Infos.getInstance().getProjectNameAndVersion() + " - Exception catched.", ex);
                logEventService.createForPrivateCalls("/NewBuildRev", "NEWBUILDREV", "Warning on New Build/Revision environment : ['" + system + "','" + country + "','" + env + "'] " + ex.getMessage(), request);
                OutputMessage = ex.getMessage();
            }
            // We update the object.
            CountryEnvParam cepData = (CountryEnvParam) answerItem.getItem();
            cepData.setBuild(build);
            cepData.setRevision(revision);
            cepData.setActive(true);
            Answer answer = countryEnvParamService.update(cepData);
            if (!(answer.isCodeEquals(MessageEventEnum.DATA_OPERATION_OK.getCode()))) {
                /**
                 * Object could not be updated. We stop here and report the
                 * error.
                 */
                answerItem.setResultMessage(answer.getResultMessage());
            } else {
                /**
                 * Update was successful.
                 */
                // Adding Log entry.
                logEventService.createForPrivateCalls("/NewBuildRev", "UPDATE", "Updated CountryEnvParam : ['" + system + "','" + country + "','" + env + "']", request);
                // Adding CountryEnvParam Log entry.
                countryEnvParam_logService.createLogEntry(system, country, env, build, revision, "New Build Revision.", request.getUserPrincipal().getName());
                /**
                 * Email notification.
                 */
                try {
                    emailService.sendHtmlMail(email);
                } catch (Exception e) {
                    LOG.warn(Infos.getInstance().getProjectNameAndVersion() + " - Exception catched.", e);
                    logEventService.createForPrivateCalls("/NewBuildRev", "NEWBUILDREV", "Warning on New Build/Revision environment : ['" + system + "','" + country + "','" + env + "'] " + e.getMessage(), request);
                    OutputMessage = e.getMessage();
                }
                if (OutputMessage.equals("")) {
                    msg = new MessageEvent(MessageEventEnum.DATA_OPERATION_OK);
                    msg.setDescription(msg.getDescription().replace("%ITEM%", "Environment").replace("%OPERATION%", OPERATION));
                    answerItem.setResultMessage(msg);
                } else {
                    msg = new MessageEvent(MessageEventEnum.DATA_OPERATION_OK);
                    msg.setDescription(msg.getDescription().replace("%ITEM%", "Environment").replace("%OPERATION%", OPERATION).concat(" Just one warning : ").concat(OutputMessage));
                    answerItem.setResultMessage(msg);
                }
            }
        }
    }
    /**
     * Formating and returning the json result.
     */
    jsonResponse.put("messageType", answerItem.getResultMessage().getMessage().getCodeString());
    jsonResponse.put("message", answerItem.getResultMessage().getDescription());
    response.getWriter().print(jsonResponse);
    response.getWriter().flush();
}

Example 3 with IEmailService

use of org.cerberus.service.email.IEmailService in project cerberus-source by cerberustesting.

the class ForgotPassword method processRequest.

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods.
 *
 * @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");
    try (PrintWriter out = response.getWriter()) {
        ApplicationContext appContext = WebApplicationContextUtils.getWebApplicationContext(this.getServletContext());
        IUserService userService = appContext.getBean(UserService.class);
        IEmailService emailService = appContext.getBean(IEmailService.class);
        IParameterService parameterService = appContext.getBean(ParameterService.class);
        String system = "";
        JSONObject jsonResponse = new JSONObject();
        String login = ParameterParserUtil.parseStringParam(request.getParameter("login"), "");
        /**
         * Check if notification parameter is set to Y. If not, return an
         * error
         */
        String sendNotification = parameterService.findParameterByKey("cerberus_notification_accountcreation_activatenotification", system).getValue();
        if (!sendNotification.equalsIgnoreCase("Y")) {
            jsonResponse.put("messageType", "Error");
            jsonResponse.put("message", "This functionality is not activated. Please contact your Cerberus Administrator.");
            response.getWriter().print(jsonResponse);
            response.getWriter().flush();
            return;
        }
        /**
         * If email not found in database, send error message
         */
        AnswerItem ai = userService.readByKey(login);
        User user = (User) ai.getItem();
        if (user == null) {
            jsonResponse.put("messageType", "Error");
            jsonResponse.put("message", "Login submitted is unknown !");
            response.getWriter().print(jsonResponse);
            response.getWriter().flush();
            return;
        }
        /**
         * Update user setting a new value in requestresetpassword
         */
        userService.requestResetPassword(user);
        /**
         * Send an email with the hash as a parameter
         */
        Answer mailSent = new Answer(emailService.generateAndSendForgotPasswordEmail(user));
        if (!mailSent.isCodeStringEquals("OK")) {
            jsonResponse.put("messageType", "Error");
            jsonResponse.put("message", "An error occured sending the notification. Detail : " + mailSent.getMessageDescription());
            response.getWriter().print(jsonResponse);
            response.getWriter().flush();
            return;
        }
        /**
         * Adding Log entry.
         */
        ILogEventService logEventService = appContext.getBean(ILogEventService.class);
        logEventService.createForPrivateCalls("/ForgotPassword", "CREATE", "User : " + login + " asked for password recovery", request);
        /**
         * Build Response Message
         */
        jsonResponse.put("messageType", "OK");
        jsonResponse.put("message", "An e-mail has been sent to the mailbox " + user.getEmail() + ".");
        response.getWriter().print(jsonResponse);
        response.getWriter().flush();
    } catch (CerberusException myexception) {
        response.getWriter().print(myexception.getMessageError().getDescription());
    } catch (JSONException ex) {
        LOG.warn(ex);
        response.setContentType("application/json");
        response.getWriter().print(AnswerUtil.createGenericErrorAnswer());
    }
}

Example 4 with IEmailService

use of org.cerberus.service.email.IEmailService in project cerberus-source by cerberustesting.

the class DisableEnvironmentV000 method processRequest.

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods.
 *
 * @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 {
    PrintWriter out = response.getWriter();
    String charset = request.getCharacterEncoding();
    // Loading Services.
    ApplicationContext appContext = WebApplicationContextUtils.getWebApplicationContext(this.getServletContext());
    ICountryEnvParamService countryEnvParamService = appContext.getBean(ICountryEnvParamService.class);
    IInvariantService invariantService = appContext.getBean(IInvariantService.class);
    IBuildRevisionInvariantService buildRevisionInvariantService = appContext.getBean(IBuildRevisionInvariantService.class);
    IEmailService emailService = appContext.getBean(IEmailService.class);
    ICountryEnvParam_logService countryEnvParam_logService = appContext.getBean(ICountryEnvParam_logService.class);
    IParameterService parameterService = appContext.getBean(IParameterService.class);
    // Calling Servlet Transversal Util.
    ServletUtil.servletStart(request);
    /**
     * Adding Log entry.
     */
    ILogEventService logEventService = appContext.getBean(ILogEventService.class);
    logEventService.createForPublicCalls("/DisableEnvironmentV000", "CALL", "DisableEnvironmentV000 called : " + request.getRequestURL(), request);
    // Parsing all parameters.
    String system = ParameterParserUtil.parseStringParamAndDecodeAndSanitize(request.getParameter("system"), "", charset);
    String country = ParameterParserUtil.parseStringParamAndDecodeAndSanitize(request.getParameter("country"), "", charset);
    String environment = ParameterParserUtil.parseStringParamAndDecodeAndSanitize(request.getParameter("environment"), "", charset);
    // Defining help message.
    String helpMessage = "\nThis servlet is used to inform Cerberus that a system is disabled. For example when a Revision is beeing deployed.\n\nParameter list :\n" + "- system [mandatory] : the system where the Build Revision has been deployed. [" + system + "]\n" + "- country [mandatory] : the country where the Build Revision has been deployed. You can use ALL if you want to perform the action for all countries that exist for the given system and environement. [" + country + "]\n" + "- environment [mandatory] : the environment where the Build Revision has been deployed. [" + environment + "]\n";
    // Checking the parameter validity.
    boolean error = false;
    if (system.equalsIgnoreCase("")) {
        out.println("Error - Parameter system is mandatory.");
        error = true;
    }
    if (!system.equalsIgnoreCase("") && !invariantService.isInvariantExist("SYSTEM", system)) {
        out.println("Error - System does not exist  : " + system);
        error = true;
    }
    if (environment.equalsIgnoreCase("")) {
        out.println("Error - Parameter environment is mandatory.");
        error = true;
    }
    if (!environment.equalsIgnoreCase("") && !invariantService.isInvariantExist("ENVIRONMENT", environment)) {
        out.println("Error - Environment does not exist  : " + environment);
        error = true;
    }
    if (country.equalsIgnoreCase("")) {
        out.println("Error - Parameter country is mandatory.");
        error = true;
    } else if (!country.equalsIgnoreCase(PARAMETERALL)) {
        if (!invariantService.isInvariantExist("COUNTRY", country)) {
            out.println("Error - Country does not exist  : " + country);
            error = true;
        }
        if (!error) {
            if (!countryEnvParamService.exist(system, country, environment)) {
                out.println("Error - System/Country/Environment does not exist : " + system + "/" + country + "/" + environment);
                error = true;
            }
        }
    }
    // Starting the database update only when no blocking error has been detected.
    if (error == false) {
        /**
         * Getting the list of objects to treat.
         */
        MessageEvent msg = new MessageEvent(MessageEventEnum.GENERIC_OK);
        Answer finalAnswer = new Answer(msg);
        AnswerList answerList = new AnswerList();
        if (country.equalsIgnoreCase(PARAMETERALL)) {
            country = null;
        }
        answerList = countryEnvParamService.readByVarious(system, country, environment, null, null, null);
        finalAnswer = AnswerUtil.agregateAnswer(finalAnswer, (Answer) answerList);
        for (CountryEnvParam cepData : (List<CountryEnvParam>) answerList.getDataList()) {
            /**
             * For each object, we can update it.
             */
            cepData.setActive(false);
            Answer answerUpdate = countryEnvParamService.update(cepData);
            if (!(answerUpdate.isCodeEquals(MessageEventEnum.DATA_OPERATION_OK.getCode()))) {
                /**
                 * Object could not be updated. We stop here and report the
                 * error.
                 */
                finalAnswer = AnswerUtil.agregateAnswer(finalAnswer, answerUpdate);
            } else {
                /**
                 * Update was successful.
                 */
                // Adding Log entry.
                logEventService.createForPrivateCalls("/DisableEnvironmentV000", "UPDATE", "Updated CountryEnvParam : ['" + cepData.getSystem() + "','" + cepData.getCountry() + "','" + cepData.getEnvironment() + "']", request);
                // Adding CountryEnvParam Log entry.
                countryEnvParam_logService.createLogEntry(cepData.getSystem(), cepData.getCountry(), cepData.getEnvironment(), "", "", "Disabled.", "PublicCall");
                /**
                 * Email notification.
                 */
                // Email Calculation.
                String eMailContent;
                String OutputMessage = "";
                MessageEvent me = emailService.generateAndSendDisableEnvEmail(cepData.getSystem(), cepData.getCountry(), cepData.getEnvironment());
                if (!"OK".equals(me.getMessage().getCodeString())) {
                    LOG.warn(Infos.getInstance().getProjectNameAndVersion() + " - Exception catched." + me.getMessage().getDescription());
                    logEventService.createForPrivateCalls("/DisableEnvironmentV000", "DISABLE", "Warning on Disable environment : ['" + cepData.getSystem() + "','" + cepData.getCountry() + "','" + cepData.getEnvironment() + "'] " + me.getMessage().getDescription(), request);
                    OutputMessage = me.getMessage().getDescription();
                }
                if (OutputMessage.equals("")) {
                    msg = new MessageEvent(MessageEventEnum.GENERIC_OK);
                    Answer answerSMTP = new AnswerList(msg);
                    finalAnswer = AnswerUtil.agregateAnswer(finalAnswer, answerSMTP);
                } else {
                    msg = new MessageEvent(MessageEventEnum.GENERIC_WARNING);
                    msg.setDescription(msg.getDescription().replace("%REASON%", OutputMessage + " when sending email for " + cepData.getSystem() + "/" + cepData.getCountry() + "/" + cepData.getEnvironment()));
                    Answer answerSMTP = new AnswerList(msg);
                    finalAnswer = AnswerUtil.agregateAnswer(finalAnswer, answerSMTP);
                }
            }
        }
        /**
         * Formating and returning the result.
         */
        out.println(finalAnswer.getResultMessage().getMessage().getCodeString() + " - " + finalAnswer.getResultMessage().getDescription());
    } else {
        // In case of errors, we display the help message.
        out.println(helpMessage);
    }
}

Example 5 with IEmailService

use of org.cerberus.service.email.IEmailService in project cerberus-source by cerberustesting.

the class NewChain method processRequest.

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods.
 *
 * @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, JSONException {
    JSONObject jsonResponse = new JSONObject();
    AnswerItem answerItem = new AnswerItem();
    MessageEvent msg = new MessageEvent(MessageEventEnum.DATA_OPERATION_ERROR_UNEXPECTED);
    msg.setDescription(msg.getDescription().replace("%DESCRIPTION%", ""));
    answerItem.setResultMessage(msg);
    PolicyFactory policy = Sanitizers.FORMATTING.and(Sanitizers.LINKS);
    response.setContentType("application/json");
    /**
     * Parsing and securing all required parameters.
     */
    String system = policy.sanitize(request.getParameter("system"));
    String country = policy.sanitize(request.getParameter("country"));
    String env = policy.sanitize(request.getParameter("environment"));
    String chain = policy.sanitize(request.getParameter("chain"));
    // Init Answer with potencial error from Parsing parameter.
    // AnswerItem answer = new AnswerItem(msg);
    ApplicationContext appContext = WebApplicationContextUtils.getWebApplicationContext(this.getServletContext());
    IEmailService emailService = appContext.getBean(IEmailService.class);
    ICountryEnvParamService countryEnvParamService = appContext.getBean(ICountryEnvParamService.class);
    IBuildRevisionBatchService buildRevisionBatchService = appContext.getBean(IBuildRevisionBatchService.class);
    ILogEventService logEventService = appContext.getBean(ILogEventService.class);
    if (request.getParameter("system") == null) {
        msg = new MessageEvent(MessageEventEnum.DATA_OPERATION_ERROR_EXPECTED);
        msg.setDescription(msg.getDescription().replace("%ITEM%", ITEM).replace("%OPERATION%", OPERATION).replace("%REASON%", "System name is missing!"));
        answerItem.setResultMessage(msg);
    } else if (request.getParameter("country") == null) {
        msg = new MessageEvent(MessageEventEnum.DATA_OPERATION_ERROR_EXPECTED);
        msg.setDescription(msg.getDescription().replace("%ITEM%", ITEM).replace("%OPERATION%", OPERATION).replace("%REASON%", "Country is missing!"));
        answerItem.setResultMessage(msg);
    } else if (request.getParameter("environment") == null) {
        msg = new MessageEvent(MessageEventEnum.DATA_OPERATION_ERROR_EXPECTED);
        msg.setDescription(msg.getDescription().replace("%ITEM%", ITEM).replace("%OPERATION%", OPERATION).replace("%REASON%", "Environment is missing!"));
        answerItem.setResultMessage(msg);
    } else if (request.getParameter("chain") == null) {
        msg = new MessageEvent(MessageEventEnum.DATA_OPERATION_ERROR_EXPECTED);
        msg.setDescription(msg.getDescription().replace("%ITEM%", ITEM).replace("%OPERATION%", OPERATION).replace("%REASON%", "Chain is missing!"));
        answerItem.setResultMessage(msg);
    } else {
        // All parameters are OK we can start performing the operation.
        // Getting the contryEnvParam based on the parameters.
        answerItem = countryEnvParamService.readByKey(system, country, env);
        if (!(answerItem.isCodeEquals(MessageEventEnum.DATA_OPERATION_OK.getCode()) && answerItem.getItem() != null)) {
            /**
             * Object could not be found. We stop here and report the error.
             */
            msg = new MessageEvent(MessageEventEnum.DATA_OPERATION_ERROR_EXPECTED);
            msg.setDescription(msg.getDescription().replace("%ITEM%", OBJECT_NAME).replace("%OPERATION%", OPERATION).replace("%REASON%", OBJECT_NAME + " ['" + system + "','" + country + "','" + env + "'] does not exist. Cannot register a new event!"));
            answerItem.setResultMessage(msg);
        } else {
            /**
             * The service was able to perform the query and confirm the
             * object exist, then we can update it.
             */
            // Adding BuildRevisionBatch entry.
            // Adding CountryEnvParam Log entry.
            CountryEnvParam cepData = (CountryEnvParam) answerItem.getItem();
            buildRevisionBatchService.create(system, country, env, cepData.getBuild(), cepData.getRevision(), chain);
            /**
             * Email notification.
             */
            String OutputMessage = "";
            MessageEvent me = emailService.generateAndSendNewChainEmail(system, country, env, chain);
            if (!"OK".equals(me.getMessage().getCodeString())) {
                LOG.warn(Infos.getInstance().getProjectNameAndVersion() + " - Exception catched." + me.getMessage().getDescription());
                logEventService.createForPrivateCalls("/NewChain", "NEWCHAIN", "Warning on registering new event on environment : ['" + system + "','" + country + "','" + env + "'] " + me.getMessage().getDescription(), request);
                OutputMessage = me.getMessage().getDescription();
            }
            if (OutputMessage.equals("")) {
                msg = new MessageEvent(MessageEventEnum.DATA_OPERATION_OK);
                msg.setDescription(msg.getDescription().replace("%ITEM%", ITEM).replace("%OPERATION%", OPERATION));
                answerItem.setResultMessage(msg);
            } else {
                msg = new MessageEvent(MessageEventEnum.DATA_OPERATION_OK);
                msg.setDescription(msg.getDescription().replace("%ITEM%", ITEM).replace("%OPERATION%", OPERATION).concat(" Just one warning : ").concat(OutputMessage));
                answerItem.setResultMessage(msg);
            }
        }
    }
    /**
     * Formating and returning the json result.
     */
    jsonResponse.put("messageType", answerItem.getResultMessage().getMessage().getCodeString());
    jsonResponse.put("message", answerItem.getResultMessage().getDescription());
    response.getWriter().print(jsonResponse);
    response.getWriter().flush();
}