Java tutorial
/* * eGov SmartCity eGovernance suite aims to improve the internal efficiency,transparency, * accountability and the service delivery of the government organizations. * * Copyright (C) 2017 eGovernments Foundation * * The updated version of eGov suite of products as by eGovernments Foundation * is available at http://www.egovernments.org * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see http://www.gnu.org/licenses/ or * http://www.gnu.org/licenses/gpl.html . * * In addition to the terms of the GPL license to be adhered to in using this * program, the following additional terms are to be complied with: * * 1) All versions of this program, verbatim or modified must carry this * Legal Notice. * Further, all user interfaces, including but not limited to citizen facing interfaces, * Urban Local Bodies interfaces, dashboards, mobile applications, of the program and any * derived works should carry eGovernments Foundation logo on the top right corner. * * For the logo, please refer http://egovernments.org/html/logo/egov_logo.png. * For any further queries on attribution, including queries on brand guidelines, * please contact contact@egovernments.org * * 2) Any misrepresentation of the origin of the material is prohibited. It * is required that all modified versions of this material be marked in * reasonable ways as different from the original version. * * 3) This license does not grant any rights to any user of the program * with regards to rights under trademark law for use of the trade names * or trademarks of eGovernments Foundation. * * In case of any queries, you can reach eGovernments Foundation at contact@egovernments.org. * */ package org.egov.infra.notification.service; import org.egov.infra.admin.common.service.MessageTemplateService; import org.egov.infra.admin.master.entity.User; import org.egov.infra.notification.entity.NotificationPriority; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Qualifier; import org.springframework.beans.factory.annotation.Value; import org.springframework.jms.core.JmsTemplate; import org.springframework.stereotype.Service; import javax.jms.Destination; import javax.jms.MapMessage; import static org.apache.commons.lang3.StringUtils.isNoneBlank; import static org.egov.infra.notification.NotificationConstants.ATTACHMENT; import static org.egov.infra.notification.NotificationConstants.EMAIL; import static org.egov.infra.notification.NotificationConstants.FILENAME; import static org.egov.infra.notification.NotificationConstants.FILETYPE; import static org.egov.infra.notification.NotificationConstants.MESSAGE; import static org.egov.infra.notification.NotificationConstants.MOBILE; import static org.egov.infra.notification.NotificationConstants.PRIORITY; import static org.egov.infra.notification.NotificationConstants.SUBJECT; import static org.egov.infra.notification.entity.NotificationPriority.HIGH; import static org.egov.infra.notification.entity.NotificationPriority.MEDIUM; @Service public class NotificationService { @Autowired private JmsTemplate jmsTemplate; @Autowired @Qualifier("emailQueue") private Destination emailQueue; @Autowired @Qualifier("smsQueue") private Destination smsQueue; @Autowired @Qualifier("flashQueue") private Destination flashQueue; @Autowired private MessageTemplateService messageTemplateService; @Value("${mail.enabled}") private boolean mailEnabled; @Value("${sms.enabled}") private boolean smsEnabled; public void sendEmail(User user, String subject, String templateName, Object... messageValues) { sendEmail(user.getEmailId(), subject, messageTemplateService .realizeMessage(messageTemplateService.getByTemplateName(templateName), messageValues)); } public void sendEmail(String email, String subject, String message) { if (mailEnabled && isNoneBlank(email, subject, message)) jmsTemplate.send(emailQueue, session -> { MapMessage mapMessage = session.createMapMessage(); mapMessage.setString(EMAIL, email); mapMessage.setString(MESSAGE, message); mapMessage.setString(SUBJECT, subject); return mapMessage; }); } public void sendEmailWithAttachment(String email, String subject, String message, String fileType, String fileName, byte[] attachment) { if (mailEnabled && isNoneBlank(email, subject, message)) jmsTemplate.send(emailQueue, session -> { MapMessage mapMessage = session.createMapMessage(); mapMessage.setString(EMAIL, email); mapMessage.setString(MESSAGE, message); mapMessage.setString(SUBJECT, subject); mapMessage.setString(FILETYPE, fileType); mapMessage.setString(FILENAME, fileName); mapMessage.setBytes(ATTACHMENT, attachment); return mapMessage; }); } public void sendSMS(String mobileNo, String message) { sendSMS(mobileNo, message, MEDIUM); } public void sendSMS(User user, String templateName, Object... messageValues) { sendSMS(user.getMobileNumber(), messageTemplateService .realizeMessage(messageTemplateService.getByTemplateName(templateName), messageValues), MEDIUM); } public void sendSMS(String mobileNo, String message, NotificationPriority priority) { if (smsEnabled && isNoneBlank(mobileNo, message)) jmsTemplate.send(HIGH.equals(priority) ? flashQueue : smsQueue, session -> { MapMessage mapMessage = session.createMapMessage(); mapMessage.setString(MOBILE, mobileNo); mapMessage.setString(MESSAGE, message); mapMessage.setString(PRIORITY, priority.name()); return mapMessage; }); } }