Java tutorial
/* * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * Copyright (c) 2014, MPL CodeInside http://codeinside.ru */ package ru.codeinside.adm; import org.activiti.engine.ProcessEngine; import org.activiti.engine.task.Task; import org.apache.commons.lang.StringUtils; import org.apache.commons.mail.Email; import org.apache.commons.mail.EmailException; import org.apache.commons.mail.SimpleEmail; import ru.codeinside.adm.database.Bid; import ru.codeinside.adm.database.TaskDates; import ru.codeinside.gses.API; import javax.ejb.DependsOn; import javax.ejb.Lock; import javax.ejb.LockType; import javax.ejb.Singleton; import javax.ejb.TransactionAttribute; import javax.ejb.TransactionManagement; import javax.inject.Inject; import javax.persistence.EntityManager; import javax.persistence.PersistenceContext; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Date; import java.util.List; import java.util.logging.Level; import java.util.logging.Logger; import static javax.ejb.TransactionAttributeType.REQUIRES_NEW; @TransactionManagement @TransactionAttribute @Singleton @DependsOn("BaseBean") @Lock(LockType.READ) public class CheckExecutionDates { @PersistenceContext(unitName = "myPU") EntityManager em; @Inject AdminService adminService; final Logger logger = Logger.getLogger(getClass().getName()); @TransactionAttribute(REQUIRES_NEW) public void createLog(Exception e) { logger.log(Level.WARNING, "email exception", e); adminService.createLog(null, "ExecutionDates", "email", "send", e.getMessage(), true); } @TransactionAttribute(REQUIRES_NEW) public Email checkDates(ProcessEngine processEngine) throws EmailException { String emailTo = get(API.EMAIL_TO); String receiverName = get(API.RECEIVER_NAME); String hostName = get(API.HOST); String port = get(API.PORT); String senderLogin = get(API.SENDER_LOGIN); String password = get(API.PASSWORD); String emailFrom = get(API.EMAIL_FROM); String senderName = get(API.SENDER_NAME); if (emailTo.isEmpty() || receiverName.isEmpty() || hostName.isEmpty() || port.isEmpty() || senderLogin.isEmpty() || password.isEmpty() || emailFrom.isEmpty() || senderName.isEmpty()) { return null; } List<TaskDates> overdueTasks = new ArrayList<TaskDates>(); List<Bid> overdueBids = new ArrayList<Bid>(); List<TaskDates> endingTasks = new ArrayList<TaskDates>(); List<Bid> endingBids = new ArrayList<Bid>(); List<TaskDates> inactionTasks = new ArrayList<TaskDates>(); Date currentDate = check(overdueTasks, overdueBids, endingTasks, endingBids, inactionTasks); Email email = new SimpleEmail(); email.setSubject("[siu.oep-penza.ru] ?? ? ? " + new SimpleDateFormat("yyyy.MM.dd HH:mm").format(currentDate)); StringBuilder msg = new StringBuilder(); msg.append(" !\n" + " ?? ? ? ?? ? [siu.oep-penza.ru] ") .append(new SimpleDateFormat("yyyy.MM.dd").format(currentDate)) .append(", ?? :\n\n"); int n = 1; n = addTaskList( ", ? ? ??", n, processEngine, overdueTasks, msg); n = addBidList( "?, ? ? ??", n, overdueBids, msg); n = addTaskList( ", ? ?? ?? ?", n, processEngine, endingTasks, msg); n = addBidList( "?, ? ?? ?? ?", n, endingBids, msg); n = addTaskList(", ??? ?:", n, processEngine, inactionTasks, msg); msg.append( " , ? ? ? !\n" + " ? ? ? " + " . 8(8412)23-11-25 (. 45, 46, 47)"); if (n == 1) { return null; } email.setMsg(msg.toString()); email.addTo(emailTo, receiverName); email.setHostName(hostName); email.setSmtpPort(Integer.parseInt(port)); email.setTLS(AdminServiceProvider.getBoolProperty(API.TLS)); email.setAuthentication(senderLogin, password); email.setFrom(emailFrom, senderName); email.setCharset("utf-8"); return email; } private int addBidList(String title, int n, List<Bid> list, StringBuilder msg) { if (list.isEmpty()) { return n; } msg.append(n).append(')').append(title).append(":\n"); for (Bid bid : list) { msg.append('\t').append(bid.getId()).append(" - ").append(bid.getProcedure().getName()).append("\n"); } msg.append("\n"); return n + 1; } // TaskDates ?? ?, ?? ??? ?. private int addTaskList(String title, int n, ProcessEngine processEngine, List<TaskDates> list, StringBuilder msg) { if (list.isEmpty()) { return n; } StringBuilder tasks = new StringBuilder(); for (TaskDates taskDates : list) { Task task = processEngine.getTaskService().createTaskQuery().taskId(taskDates.getId()).singleResult(); if (task != null) { // ? ? - ? tasks.append('\t').append("\"").append(task.getName()).append("\" ? ") .append(taskDates.getBid().getId()).append("\n"); } } if (tasks.length() == 0) { return n; } msg.append(n).append(')').append(title).append(":\n"); msg.append(tasks); msg.append("\n"); return n + 1; } private String get(String property) { return StringUtils.trimToEmpty(AdminServiceProvider.get().getSystemProperty(property)); } private Date check(List<TaskDates> overdueTasks, List<Bid> overdueBids, List<TaskDates> endingTasks, List<Bid> endingBids, List<TaskDates> inactionTasks) { Date currentDate = new Date(); List<TaskDates> datesList = em .createQuery("select t from TaskDates t where " + "t.bid.dateFinished is null and " + "t.maxDate is not null and (" + " (t.maxDate <= :now or t.restDate <= :now) or" + " (t.assignDate is null and t.inactionDate <= :now)" + ")", TaskDates.class) .setParameter("now", currentDate).getResultList(); for (TaskDates dates : datesList) { List<TaskDates> sink; if (dates.getMaxDate().compareTo(currentDate) <= 0) { sink = overdueTasks; } else if (dates.getRestDate().compareTo(currentDate) <= 0) { sink = endingTasks; } else { sink = inactionTasks; } sink.add(dates); } List<Bid> bidList = em.createQuery("select b from Bid b where " + "b.dateFinished is null and (" + " b.maxDate <= :now or" + " b.restDate <= :now" + ")", Bid.class).setParameter("now", currentDate) .getResultList(); for (Bid bid : bidList) { List<Bid> sink; if (bid.getMaxDate().compareTo(currentDate) <= 0) { sink = overdueBids; } else { sink = endingBids; } sink.add(bid); } return currentDate; } }