From 4722100cba287b164957c658c2e035783e20c963 Mon Sep 17 00:00:00 2001 From: Paul Buetow Date: Wed, 18 Feb 2009 17:33:22 +0000 Subject: moved sources --- server/CalendarDatabase.java | 271 ------------------------------------------- 1 file changed, 271 deletions(-) delete mode 100644 server/CalendarDatabase.java (limited to 'server/CalendarDatabase.java') diff --git a/server/CalendarDatabase.java b/server/CalendarDatabase.java deleted file mode 100644 index 3b5e1e0..0000000 --- a/server/CalendarDatabase.java +++ /dev/null @@ -1,271 +0,0 @@ -package server; - -import java.util.*; - -import shared.*; -import shared.remotecall.*; - -/** - * A object of this class encapsulates the whole calendar database on the server side. - * This class is used for getting/modifying and adding/removing of calendar events. - * @author buetow - * - */ -public final class CalendarDatabase { - private Vector vecCategories; - private HashMap mapEvents; - private HashMap mapCategories; - - /** - * Simple constructur. Creates a calendar database. - * @param vecCategories Specifies the vector of CalendarCategory objects for initial database content. - */ - public CalendarDatabase(Vector vecCategories) { - this.vecCategories = vecCategories; - initializeMaps(); - } - - /** - * Initializes a private hash map so that the server can access events by their id numbers very fast. - */ - private void initializeMaps() { - this.mapEvents = new HashMap(); - this.mapCategories = new HashMap(); - - Enumeration enumCategory = vecCategories.elements(); - while (enumCategory.hasMoreElements()) { - CalendarCategory category = (CalendarCategory) enumCategory.nextElement(); - mapCategories.put(category.getName(), category); - - Vector vecEvents = category.getEvents(); - Enumeration enumEvents = vecEvents.elements(); - while (enumEvents.hasMoreElements()) { - CalendarEvent event = (CalendarEvent) enumEvents.nextElement(); - mapEvents.put(new Integer(event.getEventID()), event); - } - } - } - - /** - * Returns a specific calendar event using fast hash lookup. - * @param iEventID Specifies the ID of the calendar event to lookup. - * @return Returns the requested calendar event. - */ - public CalendarEvent getEvent(int iEventID) { - return (CalendarEvent) mapEvents.get(new Integer(iEventID)); - } - - /** - * Returns a specific calendar category using fast hash lookup. - * @param sCategoryName Specifies the name of the calendar category to lookup. - * @return Returns the requested calendar category. - */ - public CalendarCategory getCategory(String sCategoryName) { - return (CalendarCategory) mapCategories.get(sCategoryName); - } - - /** - * Gets all calendar categories. - * @return Returns a Vector of all available CalendarCategory objects. - */ - public Vector getCategories() { - return vecCategories; - } - - /** - * This method returns a Vector of all available calendar events. - * @return Returns all available CalendarEvent objects of the database. - */ - public Vector getAllEvents() { - MyVector vecAllEvents = new MyVector(); - Enumeration enumCategories = vecCategories.elements(); - - while (enumCategories.hasMoreElements()) { - CalendarCategory category = (CalendarCategory) enumCategories.nextElement(); - vecAllEvents.appendVector(category.getEvents()); - } - - return vecAllEvents; - } - - /** - * This method looks for all calendar events which match the a given client request. - * @param clientRequest Specifies the client request sent by the calendar client. - * @return Returns a Vector of all matching CalendarEvent objects. - */ - public Vector getMatchingEvents(ClientRequest clientRequest) { - MyVector vecEvents = new MyVector(); - int iNumEventsToRequest = clientRequest.getNumEventsToRequest(); - - Enumeration enumCategories = vecCategories.elements(); - while (enumCategories.hasMoreElements()) { - CalendarCategory category = (CalendarCategory) enumCategories.nextElement(); - Vector vecNewEvents = category.getMatchingEvents(clientRequest); - vecEvents.appendVector(vecNewEvents); - - if (iNumEventsToRequest > -1) { - if (iNumEventsToRequest == vecEvents.size()) - break; - - } else { - clientRequest.setNumEventsToRequest(iNumEventsToRequest - vecNewEvents.size()); - } - - } - - return vecEvents; - } - - /** - * This method adds a calendar event to the calendar database. - * @param clientRequest Specifies the client request sent by the netcalendar client. Its containing the new event to add. - */ - public void addEvent(ClientRequest clientRequest) { - CalendarEvent event = clientRequest.getEvent(); - String sCategoryName = event.getCategoryName(); - CalendarCategory category = getCategory(sCategoryName); - - // Check if the have to create a new category - if (category == null) { - category = new CalendarCategory(sCategoryName); - mapCategories.put(sCategoryName, category); - vecCategories.add(category); - } - - category.addEvent(event); - category.setHasChanged(true); - event.setCategory(category); - mapEvents.put(new Integer(event.getEventID()), event); - } - - /** - * This method modifies an calendar event of the calendar database. - * @param clientRequest Specifies the client request sent by the calendar client. - */ - public void modifyEvent(ClientRequest clientRequest) { - CalendarEvent newEvent = clientRequest.getEvent(); - CalendarEvent orgEvent = getEvent(newEvent.getEventID()); - - // If the event doesnt exist any more, recreate it - if (orgEvent == null) { - clientRequest.setEvent(newEvent); - addEvent(clientRequest); - return; - } - - orgEvent.setDate(newEvent.getDate()); - orgEvent.setYearly(newEvent.isYearly()); - orgEvent.setDescription(newEvent.getDescription()); - orgEvent.setPlace(newEvent.getPlace()); - - // Modify the events category - if (!orgEvent.getCategoryName().equals(newEvent.getCategoryName())) { - String sNewCategoryName = newEvent.getCategoryName(); - - // First remove the event from its current category - orgEvent.removeFromCurrentCategory(); - CalendarCategory category = getCategory(sNewCategoryName); - - if (category == null) { - category = new CalendarCategory(sNewCategoryName); - mapCategories.put(sNewCategoryName, category); - vecCategories.add(category); - } - - category.addEvent(orgEvent); - category.setHasChanged(true); - orgEvent.setCategory(category); - - } else { - orgEvent.getCategory().setHasChanged(true); - } - } - - /** - * This method deletes a calendar event of the calendar database. If the specified calendar event doesnt - * exist eny more, nothing will be changed. - * @param clientRequest Specifies the client request sent by the netcalendar client. - */ - public void deleteEvent(ClientRequest clientRequest) { - // Get the server side reference of the calendar event - CalendarEvent event = getEvent(clientRequest.getEvent().getEventID()); - - if (event != null) { - event.getCategory().setHasChanged(true); - event.removeFromCurrentCategory(); - mapEvents.remove(new Integer(event.getEventID())); - } - } - - /** - * This method renames a calendar category. - * @param clientRequest Specifies the client request sent by the netcalendar client. - */ - public void renameCategory(ClientRequest clientRequest) { - String sOldCategoryName = clientRequest.getEvent().getCategoryName(); - CalendarCategory category = getCategory(sOldCategoryName); - - if (category == null) - return; - - String sNewCategoryName = clientRequest.getString(); - - if (sOldCategoryName.equals(sNewCategoryName)) - return; - - mapCategories.remove(sOldCategoryName); - - category.setName(sNewCategoryName); - - Vector vecEvents = category.getEvents(); - Enumeration enumEvents = vecEvents.elements(); - while (enumEvents.hasMoreElements()) { - CalendarEvent event = (CalendarEvent) enumEvents.nextElement(); - event.setCategoryName(sNewCategoryName); - } - - // Check if the category exists already - CalendarCategory categoryExists = getCategory(sNewCategoryName); - - if (categoryExists == null) { - mapCategories.put(category.getName(), category); - } else { - vecCategories.remove(category); - categoryExists.merge(category); - } - - } - - /** - * This method daletes a calendar category. - * @param clientRequest Specifies the client request sent by the netcalendar client. - */ - public void deleteCategory(ClientRequest clientRequest) { - String sCategoryName = clientRequest.getEvent().getCategoryName(); - CalendarCategory category = getCategory(sCategoryName); - - if (category == null) - return; - - mapCategories.remove(sCategoryName); - vecCategories.remove(category); - category.deleteDatabaseFile(); - } - - /** - * This method flushes all the changed calendar categories of the calendar database to the filesystem. - */ - public void flush() { - Enumeration enumCategories = vecCategories.elements(); - - while (enumCategories.hasMoreElements()) { - CalendarCategory category = (CalendarCategory) enumCategories.nextElement(); - if (category.hasChanged()) - category.flush(); - } - - Main.execExternalCommand(Config.getStringValue("server_updatedb_command")); - } - -} - -- cgit v1.2.3