项目进度跟踪管理系统代码

package com.itth.ttraq; import com.itth.commons.hibernate.DatabaseException; import com.itth.commons.hibernate.HBN; import com.itth.ttraq.actionforms.TimeStampForm; import com.itth.ttraq.actionforms.TimeStampFormExport; import com.itth.ttraq.actionforms.TimeStampsForm; import com.itth.ttraq.beans.*; import com.itth.ttraq.exceptions.NoProjectsException; import com.itth.ttraq.exceptions.NoTimeStampsException; import com.itth.ttraq.exceptions.UnprivilegedAccessException; import com.itth.ttraq.om.*; import net.sf.hibernate.*; import net.sf.hibernate.expression.Order; import org.apache.struts.Globals; import org.apache.struts.action.ActionMessage; import org.apache.struts.action.ActionMessages; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpSession; import java.text.ParseException; import java.util.*; /** * 工具类 */ public class RefreshUtils { // 声明一个类变量 User user; // 声明一个Session变量 Session hibernateSession; /** * 用来得到描述基本用户信息 */ public static void populateParameters(HttpServletRequest req, ActionMessages messages, ActionMessages errors, Session hibernateSession, User user) throws DatabaseException, NoProjectsException, UnprivilegedAccessException { // 获取session实例 HttpSession session = req.getSession(); User userLogin = user.getUserLogin(); User userView = user; Project projectById = null; Project project = null; try { // 如果用户已经被分配项目则加载projectById if (!user.getUserDataBean().getProjectId().equals("")) projectById = (Project) HBN.getOM(Project.class, user .getUserDataBean().getProjectId(), hibernateSession); // 如果当前查看的用户已经分配项目，则把项目保存到project中否则将登录时用户的项目保存到project中 project = user.getUserDataBean().getProjectId() != null && projectById != null ? projectById : RefreshUtils .getDefaultProject(userLogin, hibernateSession); } catch (DatabaseException e) { TTraqService.logger.warn(e); if (!user.isSuperuser()) { // 如果不是管理员则给出相应的提示信息 errors.add(Globals.ERROR_KEY, new ActionMessage( "error.no.projects.available")); } } Set projects = new TreeSet(); if (userLogin.isSuperuser()) { // 如果登录用户为管理员可以查看所有的用户信息 userView = user; if (project != null && !userView.isAssignedTo(project)) { Set users = project.getUsers(); // 如果项目还没有被分配出去，查看登录者的项目信息 if (users.isEmpty()) { // 保存项目名称 String oldProjectName = project.getName(); // 查看登录者的项目信息 project = getDefaultProject(userLogin, hibernateSession); if (project == null) { project = getDefaultProject(userLogin, hibernateSession); // 如果登录者依然没有项目则抛出没有项目信息的异常，否则显示被查看对象变更的信息 if (project == null) throw new NoProjectsException(); } else { users = project.getUsers(); messages.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("hint.project.changed", oldProjectName, project.getName())); } } // 保存被查看对象的信息 String oldName = userView.getFullName(); User newViewUser = users.contains(userView) ? userView : (User) users.iterator().next(); String newName = newViewUser.getFullName(); // 用户改变时给出提示信息 if (!userView.equals(newViewUser)) { messages.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("hint.viewuser.changed", oldName, newName, project.getName())); userView = newViewUser; } } populateManagerParameterBean(req, userView, project, true); } else if (userLogin.isManagerInProject(project)) { userView = (User) HBN.getOM(User.class, user.getUserDataBean() .getId(), hibernateSession); // 项目经理只能看到他所管理的项目 if (!userView.isAssignedTo(project)) { throw new UnprivilegedAccessException(userLogin, userView); } populateManagerParameterBean(req, userView, project, false); } else { if (userLogin.getId() != user.getUserDataBean().getId()) { throw new UnprivilegedAccessException(userLogin, userView); } else { // 持久化加载 userView = (User) HBN.getOM(User.class, user.getUserDataBean() .getId(), hibernateSession); } } // 把项目保存到集合中 projects.addAll(getProjects(true, userLogin.isSuperuser(), hibernateSession, userLogin)); List filteredTimeStamps = null; ParameterBean bean = ParameterBean.createParameterBean(session); if (project != null) { Set subProjects = new TreeSet(); //添加子项目 subProjects.add(project); Project.getChildren(subProjects, project, true); HashMap hashMap = new HashMap(2); hashMap.put("user", user); hashMap.put("project", subProjects); List timeFilters = findTimefilters(HBN.getOMList(TimeStamp.class, Order.asc(user.getUserDataBean().getOrderBy()), null, hashMap, null, hibernateSession)); // 得到时间列表 String currentTimeFilter = checkTimefilter(user.getUserDataBean() .getTimeFilter(), timeFilters); filteredTimeStamps = project.getTimeStampsOrderedBy(user .getUserDataBean().getOrderBy(), userView, currentTimeFilter, user.getUserDataBean().getQuery(), hibernateSession); String summaryView = calculateSummaryHours(filteredTimeStamps); bean.setSelectableTimefilter(timeFilters); user.getUserDataBean().setTimeFilter(currentTimeFilter); if (timeFilters.size() > 1 && (!timeFilters.contains(user.getUserDataBean() .getTimeFilter()) || user.getUserDataBean() .getTimeFilter().equals(""))) { user.getUserDataBean().setTimeFilter( (String) timeFilters.get(1)); } bean.setSummary(summaryView); TimeStampsForm editTimeStampsForm = new TimeStampsForm(); Vector vector = new Vector(filteredTimeStamps.size()); for (int i = 0; i < filteredTimeStamps.size(); i++) { TimeStamp timeStamp = (TimeStamp) filteredTimeStamps.get(i); vector.add(TimeStampForm.createTimeStampForm(timeStamp)); } editTimeStampsForm.setTimeStampForms(vector); session.setAttribute("editTimeStampsForm", editTimeStampsForm); user.getUserDataBean().setProjectId(project.getId()); } bean.setFortune(Fortune.randomFortune()); populateProjectListBean(session, projects); session.setAttribute("parameterBean", bean); user.getUserDataBean().setId(userView.getId()); } /** * 得到登录用户的项目 */ public static Project getDefaultProject(User user, Session hibernateSession) throws DatabaseException, NoProjectsException { Set projects = user.getProjects(); if (projects != null && projects.size() > 0) { return (Project) projects.iterator().next(); } else { if (user.isSuperuser()) { List users = getAllUsers(hibernateSession); for (Iterator iterator = users.iterator(); iterator.hasNext();) { User user1 = (User) iterator.next(); if (user1.getProjects() != null && user1.getProjects().size() > 0) { return (Project) user1.getProjects().iterator().next(); } } } throw new NoProjectsException(); } } /** * 设置初始化显示的都是所有时间段的信息 */ private static String checkTimefilter(String currentTimeFilter, List timeFilters) { if (!timeFilters.contains(currentTimeFilter)) { if (timeFilters.size() > 1) { currentTimeFilter = (String) timeFilters.get(1); } else { Calendar now = Calendar.getInstance(); now.setTimeInMillis(System.currentTimeMillis()); currentTimeFilter = TTraqService .formatTimefilter(now.getTime()); } } return currentTimeFilter; } private static String calculateSummaryHours(List timestamps) { long summary = 0; summary = calculateSummary(timestamps, summary); return calculateHours(summary); } /** * 转换时间 */ private static String calculateHours(long milliseconds) { long hours = milliseconds / 3600000; long minutes = (milliseconds - (hours * 3600000)) / 60000; St