Source Code Cross Referenced for CalendarImporter.java in  » Mail-Clients » columba-1.4 » org » columba » calendar » parser » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Mail Clients » columba 1.4 » org.columba.calendar.parser 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        // The contents of this file are subject to the Mozilla Public License Version
002:        // 1.1
003:        //(the "License"); you may not use this file except in compliance with the
004:        //License. You may obtain a copy of the License at http://www.mozilla.org/MPL/
005:        //
006:        //Software distributed under the License is distributed on an "AS IS" basis,
007:        //WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
008:        //for the specific language governing rights and
009:        //limitations under the License.
010:        //
011:        //The Original Code is "The Columba Project"
012:        //
013:        //The Initial Developers of the Original Code are Frederik Dietz and Timo
014:        // Stich.
015:        //Portions created by Frederik Dietz and Timo Stich are Copyright (C) 2003.
016:        //
017:        //All Rights Reserved.
018:        package org.columba.calendar.parser;
019:
020:        import java.io.File;
021:        import java.io.FileInputStream;
022:        import java.net.URL;
023:        import java.util.Calendar;
024:        import java.util.HashMap;
025:        import java.util.Iterator;
026:        import java.util.LinkedList;
027:        import java.util.List;
028:        import java.util.Map;
029:        import java.util.Random;
030:        import java.util.Vector;
031:
032:        import net.fortuna.ical4j.data.CalendarBuilder;
033:        import net.fortuna.ical4j.model.Component;
034:        import net.fortuna.ical4j.model.Date;
035:        import net.fortuna.ical4j.model.DateTime;
036:        import net.fortuna.ical4j.model.Property;
037:        import net.fortuna.ical4j.model.WeekDay;
038:        import net.fortuna.ical4j.model.property.Categories;
039:        import net.fortuna.ical4j.model.property.DtEnd;
040:        import net.fortuna.ical4j.model.property.DtStamp;
041:        import net.fortuna.ical4j.model.property.DtStart;
042:        import net.fortuna.ical4j.model.property.RRule;
043:
044:        import org.columba.calendar.base.UUIDGenerator;
045:        import org.columba.calendar.base.api.ICalendarItem;
046:        import org.columba.calendar.model.Event;
047:        import org.columba.calendar.model.EventInfo;
048:        import org.columba.calendar.model.Recurrence;
049:        import org.columba.calendar.model.api.IEvent;
050:        import org.columba.calendar.model.api.IEventInfo;
051:        import org.columba.calendar.model.api.IRecurrence;
052:        import org.columba.calendar.model.api.IWeekDay;
053:
054:        public class CalendarImporter {
055:
056:            public CalendarImporter() {
057:                super ();
058:            }
059:
060:            public Iterator<IEventInfo> importCalendar(
061:                    ICalendarItem calendarItem, File file) throws Exception {
062:                Vector<IEventInfo> v = new Vector<IEventInfo>();
063:
064:                FileInputStream in = new FileInputStream(file);
065:
066:                CalendarBuilder builder = new CalendarBuilder();
067:
068:                net.fortuna.ical4j.model.Calendar calendar = builder.build(in);
069:
070:                Map<String, Integer> frequency = new HashMap<String, Integer>();
071:                frequency.put("YEARLY", new Integer(
072:                        IRecurrence.RECURRENCE_ANNUALLY));
073:                frequency.put("MONTHLY", new Integer(
074:                        IRecurrence.RECURRENCE_MONTHLY));
075:                frequency.put("WEEKLY", new Integer(
076:                        IRecurrence.RECURRENCE_WEEKLY));
077:                frequency.put("DAILY",
078:                        new Integer(IRecurrence.RECURRENCE_DAILY));
079:
080:                for (Iterator i = calendar.getComponents().iterator(); i
081:                        .hasNext();) {
082:                    net.fortuna.ical4j.model.Component component = (net.fortuna.ical4j.model.Component) i
083:                            .next();
084:                    // System.out.println("Component [" + component.getName() + "]");
085:
086:                    // only import VEVENT and VTODO for now
087:                    if (component.getName().equals(Component.VEVENT)) {
088:
089:                        Calendar dtStart = null;
090:                        Calendar dtEnd = null;
091:                        Calendar dtStamp = null;
092:                        String summary = null;
093:                        String location = null;
094:                        String description = null;
095:                        String uid = null;
096:                        URL url = null;
097:                        String eventClass = null;
098:                        String priority = null;
099:                        String status = null;
100:
101:                        List<String> categories = new LinkedList<String>();
102:
103:                        int freq = -1;
104:                        int count = -1;
105:                        int interval = 0;
106:                        Calendar until = null;
107:                        List<WeekDay> weekdays = null;
108:
109:                        for (Iterator j = component.getProperties().iterator(); j
110:                                .hasNext();) {
111:                            Property property = (Property) j.next();
112:                            String name = property.getName();
113:                            String value = property.getValue();
114:
115:                            // System.out.println("Property [" + property.getName() + ", "
116:                            //		+ property.getValue() + "]");
117:
118:                            if (name.equals(Property.DTSTART)) {
119:                                DtStart dtStart1 = (DtStart) property;
120:                                if (dtStart1.getDate() instanceof  DateTime) {
121:                                    DateTime dateTime = (DateTime) dtStart1
122:                                            .getDate();
123:                                    // ensure tzid matches date-time timezone..
124:                                    // Parameter tzId =
125:                                    // dtStart1.getParameters().getParameter(
126:                                    // Parameter.TZID);
127:
128:                                    dtStart = Calendar.getInstance();
129:                                    dtStart.setTimeInMillis(dateTime.getTime());
130:                                    if (dateTime.getTimeZone() != null)
131:                                        dtStart.setTimeZone(dateTime
132:                                                .getTimeZone());
133:                                } else {
134:                                    Date dateTime = dtStart1.getDate();
135:                                    // ensure tzid matches date-time timezone..
136:                                    // Parameter tzId =
137:                                    // dtStart1.getParameters().getParameter(
138:                                    // Parameter.TZID);
139:
140:                                    dtStart = Calendar.getInstance();
141:                                    dtStart.setTimeInMillis(dateTime.getTime());
142:                                }
143:
144:                            } else if (name.equals(Property.DTEND)) {
145:                                DtEnd dtEnd1 = (DtEnd) property;
146:                                if (dtEnd1.getDate() instanceof  DateTime) {
147:                                    DateTime dateTime = (DateTime) dtEnd1
148:                                            .getDate();
149:                                    // ensure tzid matches date-time timezone..
150:                                    // Parameter tzId = dtEnd1.getParameters().getParameter(
151:                                    // Parameter.TZID);
152:
153:                                    dtEnd = Calendar.getInstance();
154:                                    dtEnd.setTimeInMillis(dateTime.getTime());
155:                                    if (dateTime.getTimeZone() != null)
156:                                        dtEnd.setTimeZone(dateTime
157:                                                .getTimeZone());
158:                                } else {
159:                                    Date dateTime = dtEnd1.getDate();
160:                                    // ensure tzid matches date-time timezone..
161:                                    // Parameter tzId = dtEnd1.getParameters().getParameter(
162:                                    // Parameter.TZID);
163:
164:                                    dtEnd = Calendar.getInstance();
165:                                    dtEnd.setTimeInMillis(dateTime.getTime());
166:                                }
167:                            } else if (name.equals(Property.SUMMARY)) {
168:                                summary = value;
169:                            } else if (name.equals(Property.LOCATION)) {
170:                                location = value;
171:                            } else if (name.equals(Property.DTSTAMP)) {
172:                                DtStamp dtStamp1 = (DtStamp) property;
173:                                if (dtStamp1.getDate() instanceof  DateTime) {
174:                                    DateTime dateTime = (DateTime) dtStamp1
175:                                            .getDate();
176:                                    // ensure tzid matches date-time timezone..
177:                                    // Parameter tzId =
178:                                    // dtStamp1.getParameters().getParameter(
179:                                    // Parameter.TZID);
180:
181:                                    dtStamp = Calendar.getInstance();
182:
183:                                    dtStamp.setTimeInMillis(dateTime.getTime());
184:                                    if (dateTime.getTimeZone() != null)
185:                                        dtStamp.setTimeZone(dateTime
186:                                                .getTimeZone());
187:                                } else {
188:                                    Date dateTime = dtStamp1.getDate();
189:                                    // ensure tzid matches date-time timezone..
190:                                    // Parameter tzId =
191:                                    // dtStamp1.getParameters().getParameter(
192:                                    // Parameter.TZID);
193:
194:                                    dtStamp = Calendar.getInstance();
195:
196:                                    dtStamp.setTimeInMillis(dateTime.getTime());
197:                                }
198:                            } else if (name.equals(Property.UID)) {
199:                                // remove everything which is not A-Za-z0-9-_
200:                                uid = correctUid(value);
201:                            } else if (name.equals(Property.URL)) {
202:                                url = new URL(value);
203:                            } else if (name.equals(Property.DESCRIPTION)) {
204:                                description = value;
205:                            } else if (name.equals(Property.CATEGORIES)) {
206:                                Categories categorylist = (Categories) property;
207:                                for (Iterator iter = categorylist
208:                                        .getCategories().iterator(); iter
209:                                        .hasNext();) {
210:                                    String c = (String) iter.next();
211:                                    categories.add(c);
212:                                }
213:                            } else if (name.equals(Property.CLASS)) {
214:                                eventClass = value;
215:                            } else if (name.equals(Property.PRIORITY)) {
216:                                priority = value;
217:                            } else if (name.equals(Property.STATUS)) {
218:                                status = value;
219:                            } else if (name.equals(Property.RRULE)) {
220:                                // RRULE:FREQ=YEARLY;COUNT=5;INTERVAL=1
221:                                // RRULE:FREQ=WEEKLY;UNTIL=20060725T215959;INTERVAL=1;BYDAY=TU
222:                                // RRULE:FREQ=YEARLY;INTERVAL=1
223:
224:                                // RRULE:FREQ=WEEKLY;COUNT=8;INTERVAL=2;BYDAY=TU,TH
225:                                // RRULE:FREQ=MONTHLY;UNTIL=20070627T215959;INTERVAL=2;BYDAY=4WE
226:                                // RRULE:FREQ=YEARLY;INTERVAL=1
227:                                // RRULE:FREQ=YEARLY;INTERVAL=1;BYDAY=-1SU;BYMONTH=3
228:                                // RRULE:FREQ=YEARLY;INTERVAL=1;BYDAY=-1SU;BYMONTH=10
229:
230:                                RRule rrule = (RRule) property;
231:                                freq = ((Integer) frequency.get(rrule
232:                                        .getRecur().getFrequency())).intValue();
233:                                if (rrule.getRecur().getCount() > 0)
234:                                    count = rrule.getRecur().getCount();
235:                                if (rrule.getRecur().getInterval() > 0)
236:                                    interval = rrule.getRecur().getInterval();
237:                                weekdays = rrule.getRecur().getDayList();
238:                                /*for (Iterator iter = rrule.getRecur().getWeekNoList().iterator(); iter.hasNext(); ) {
239:                                	Object o = iter.next();
240:                                	System.out.println("weeknolist = " + o);
241:                                }
242:                                for (Iterator iter = rrule.getRecur().getMonthList().iterator(); iter.hasNext(); ) {
243:                                	Object o = iter.next();
244:                                	System.out.println("monthlist = " + o);
245:                                }*/
246:                                if (rrule.getRecur().getUntil() != null) {
247:                                    until = Calendar.getInstance();
248:                                    until.setTime(rrule.getRecur().getUntil());
249:                                    // System.out.println("until = " + until);
250:                                }
251:                            }
252:
253:                        }
254:
255:                        // skip, if UID, dtStart or dtEnd is not defined
256:                        if (uid == null || dtStart == null || dtEnd == null)
257:                            continue;
258:
259:                        // hack: if start and end time is at 00:00:00:000 it is
260:                        // an all day event
261:                        boolean allDayEvent = ParserHelper.isAllDayEvent(
262:                                dtStart, dtEnd);
263:
264:                        IEvent event = new Event(uid);
265:
266:                        event.setDtStart(dtStart);
267:                        event.setDtEnd(dtEnd);
268:                        event.setDtStamp(dtStamp);
269:                        event.setAllDayEvent(allDayEvent);
270:
271:                        if (summary != null)
272:                            event.setSummary(summary);
273:                        if (eventClass != null)
274:                            event.setEventClass(eventClass);
275:                        if (location != null)
276:                            event.setLocation(location);
277:                        if (priority != null)
278:                            event.setPriority(priority);
279:                        if (status != null)
280:                            event.setStatus(status);
281:                        if (url != null)
282:                            event.setUrl(url);
283:                        if (description != null)
284:                            event.setDescription(description);
285:
286:                        if (freq > -1) {
287:                            // create recurrence
288:                            Recurrence r = new Recurrence(freq);
289:
290:                            r.setInterval(interval);
291:
292:                            List<IWeekDay> wdlist = new LinkedList<IWeekDay>();
293:                            if (weekdays != null) {
294:                                for (Iterator iter = weekdays.iterator(); iter
295:                                        .hasNext();) {
296:                                    WeekDay owd = (WeekDay) iter.next();
297:                                    org.columba.calendar.model.WeekDay wd = new org.columba.calendar.model.WeekDay(
298:                                            owd.getDay(), owd.getOffset());
299:                                    wdlist.add(wd);
300:                                }
301:
302:                                r.setWeekDays(wdlist);
303:                            }
304:
305:                            r.setEndType(IRecurrence.RECURRENCE_END_FOREVER);
306:                            if (until != null) {
307:                                r.setEndDate(until);
308:                                r
309:                                        .setEndType(IRecurrence.RECURRENCE_END_ENDDATE);
310:                            } else if (count > -1) {
311:                                r.setEndMaxOccurrences(count);
312:                                r
313:                                        .setEndType(IRecurrence.RECURRENCE_END_MAXOCCURRENCES);
314:                            }
315:
316:                            event.setRecurrence(r);
317:
318:                        } else {
319:                            event.setRecurrence(null);
320:                        }
321:
322:                        for (String category : categories)
323:                            event.addCategory(category);
324:
325:                        IEventInfo eventInfo = new EventInfo(uid, calendarItem
326:                                .getId(), event);
327:
328:                        v.add(eventInfo);
329:                    } else if (component.getName().equals(Component.VTIMEZONE)) {
330:                        for (Iterator j = component.getProperties().iterator(); j
331:                                .hasNext();) {
332:                            Property property = (Property) j.next();
333:
334:                            System.out.println("Property ["
335:                                    + property.getName() + ", "
336:                                    + property.getValue() + "]");
337:                        }
338:                    } else if (component.getName().equals(Component.VTODO)) {
339:
340:                        for (Iterator j = component.getProperties().iterator(); j
341:                                .hasNext();) {
342:                            Property property = (Property) j.next();
343:                            String name = property.getName();
344:                            String value = property.getValue();
345:
346:                            System.out.println("Property ["
347:                                    + property.getName() + ", "
348:                                    + property.getValue() + "]");
349:                        }
350:
351:                    }
352:                }
353:
354:                in.close();
355:
356:                return v.iterator();
357:            }
358:
359:            public static String correctUid(String value) {
360:                // if there is no string given, return a number
361:                Random r = new Random();
362:                if (value == null || value.length() == 0)
363:                    return (new UUIDGenerator()).newUUID();
364:                return value.replaceAll("[^a-z,0-9,A-Z,_-]", "-");
365:            }
366:
367:        }
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