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1 package org.columba.calendar.parser;
19
20 import java.io.File  ;
21 import java.io.FileInputStream ;
22 import java.net.URL ;
23 import java.util.Calendar ;
24 import java.util.HashMap ;
25 import java.util.Iterator ;
26 import java.util.LinkedList ;
27 import java.util.List ;
28 import java.util.Map ;
29 import java.util.Random ;
30 import java.util.Vector ;
31
32 import net.fortuna.ical4j.data.CalendarBuilder;
33 import net.fortuna.ical4j.model.Component;
34 import net.fortuna.ical4j.model.Date;
35 import net.fortuna.ical4j.model.DateTime;
36 import net.fortuna.ical4j.model.Property;
37 import net.fortuna.ical4j.model.WeekDay;
38 import net.fortuna.ical4j.model.property.Categories;
39 import net.fortuna.ical4j.model.property.DtEnd;
40 import net.fortuna.ical4j.model.property.DtStamp;
41 import net.fortuna.ical4j.model.property.DtStart;
42 import net.fortuna.ical4j.model.property.RRule;
43
44 import org.columba.calendar.base.UUIDGenerator;
45 import org.columba.calendar.base.api.ICalendarItem;
46 import org.columba.calendar.model.Event;
47 import org.columba.calendar.model.EventInfo;
48 import org.columba.calendar.model.Recurrence;
49 import org.columba.calendar.model.api.IEvent;
50 import org.columba.calendar.model.api.IEventInfo;
51 import org.columba.calendar.model.api.IRecurrence;
52 import org.columba.calendar.model.api.IWeekDay;
53
54 public class CalendarImporter {
55
56 public CalendarImporter() {
57 super();
58 }
59
60 public Iterator <IEventInfo> importCalendar(ICalendarItem calendarItem, File file) throws Exception {
61 Vector <IEventInfo> v = new Vector <IEventInfo>();
62
63 FileInputStream in = new FileInputStream (file);
64
65 CalendarBuilder builder = new CalendarBuilder();
66
67 net.fortuna.ical4j.model.Calendar calendar = builder.build(in);
68
69 Map <String , Integer > frequency = new HashMap <String , Integer >();
70 frequency.put("YEARLY", new Integer (IRecurrence.RECURRENCE_ANNUALLY));
71 frequency.put("MONTHLY", new Integer (IRecurrence.RECURRENCE_MONTHLY));
72 frequency.put("WEEKLY", new Integer (IRecurrence.RECURRENCE_WEEKLY));
73 frequency.put("DAILY", new Integer (IRecurrence.RECURRENCE_DAILY));
74
75 for (Iterator i = calendar.getComponents().iterator(); i.hasNext();) {
76 net.fortuna.ical4j.model.Component component = (net.fortuna.ical4j.model.Component) i
77 .next();
78
80 if (component.getName().equals(Component.VEVENT)) {
82
83 Calendar dtStart = null;
84 Calendar dtEnd = null;
85 Calendar dtStamp = null;
86 String summary = null;
87 String location = null;
88 String description = null;
89 String uid = null;
90 URL url = null;
91 String eventClass = null;
92 String priority = null;
93 String status = null;
94
95 List <String > categories = new LinkedList <String >();
96
97 int freq = -1;
98 int count = -1;
99 int interval = 0;
100 Calendar until = null;
101 List <WeekDay> weekdays = null;
102
103 for (Iterator j = component.getProperties().iterator(); j
104 .hasNext();) {
105 Property property = (Property) j.next();
106 String name = property.getName();
107 String value = property.getValue();
108
109
112 if (name.equals(Property.DTSTART)) {
113 DtStart dtStart1 = (DtStart) property;
114 if (dtStart1.getDate() instanceof DateTime) {
115 DateTime dateTime = (DateTime) dtStart1.getDate();
116
121 dtStart = Calendar.getInstance();
122 dtStart.setTimeInMillis(dateTime.getTime());
123 if (dateTime.getTimeZone() != null)
124 dtStart.setTimeZone(dateTime.getTimeZone());
125 } else {
126 Date dateTime = dtStart1.getDate();
127
132 dtStart = Calendar.getInstance();
133 dtStart.setTimeInMillis(dateTime.getTime());
134 }
135
136 } else if (name.equals(Property.DTEND)) {
137 DtEnd dtEnd1 = (DtEnd) property;
138 if (dtEnd1.getDate() instanceof DateTime) {
139 DateTime dateTime = (DateTime) dtEnd1.getDate();
140
144 dtEnd = Calendar.getInstance();
145 dtEnd.setTimeInMillis(dateTime.getTime());
146 if (dateTime.getTimeZone() != null)
147 dtEnd.setTimeZone(dateTime.getTimeZone());
148 } else {
149 Date dateTime = dtEnd1.getDate();
150
154 dtEnd = Calendar.getInstance();
155 dtEnd.setTimeInMillis(dateTime.getTime());
156 }
157 } else if (name.equals(Property.SUMMARY)) {
158 summary = value;
159 } else if (name.equals(Property.LOCATION)) {
160 location = value;
161 } else if (name.equals(Property.DTSTAMP)) {
162 DtStamp dtStamp1 = (DtStamp) property;
163 if (dtStamp1.getDate() instanceof DateTime) {
164 DateTime dateTime = (DateTime) dtStamp1.getDate();
165
170 dtStamp = Calendar.getInstance();
171
172 dtStamp.setTimeInMillis(dateTime.getTime());
173 if (dateTime.getTimeZone() != null)
174 dtStamp.setTimeZone(dateTime.getTimeZone());
175 } else {
176 Date dateTime = dtStamp1.getDate();
177
182 dtStamp = Calendar.getInstance();
183
184 dtStamp.setTimeInMillis(dateTime.getTime());
185 }
186 } else if (name.equals(Property.UID)) {
187 uid = correctUid(value);
189 } else if (name.equals(Property.URL)) {
190 url = new URL (value);
191 } else if (name.equals(Property.DESCRIPTION)) {
192 description = value;
193 } else if (name.equals(Property.CATEGORIES)) {
194 Categories categorylist = (Categories) property;
195 for (Iterator iter = categorylist.getCategories().iterator(); iter.hasNext(); ) {
196 String c = (String ) iter.next();
197 categories.add(c);
198 }
199 } else if (name.equals(Property.CLASS)) {
200 eventClass = value;
201 } else if (name.equals(Property.PRIORITY)) {
202 priority = value;
203 } else if (name.equals(Property.STATUS)) {
204 status = value;
205 } else if (name.equals(Property.RRULE)) {
206
210
216 RRule rrule = (RRule) property;
217 freq = ((Integer ) frequency.get(rrule.getRecur().getFrequency())).intValue();
218 if (rrule.getRecur().getCount() > 0)
219 count = rrule.getRecur().getCount();
220 if (rrule.getRecur().getInterval() > 0)
221 interval = rrule.getRecur().getInterval();
222 weekdays = rrule.getRecur().getDayList();
223
231 if (rrule.getRecur().getUntil() != null) {
232 until = Calendar.getInstance();
233 until.setTime(rrule.getRecur().getUntil());
234 }
236 }
237
238 }
239
240 if (uid == null || dtStart == null || dtEnd == null)
242 continue;
243
244 boolean allDayEvent = ParserHelper.isAllDayEvent(dtStart, dtEnd);
247
248 IEvent event = new Event(uid);
249
250 event.setDtStart(dtStart);
251 event.setDtEnd(dtEnd);
252 event.setDtStamp(dtStamp);
253 event.setAllDayEvent(allDayEvent);
254
255 if (summary != null)
256 event.setSummary(summary);
257 if (eventClass != null)
258 event.setEventClass(eventClass);
259 if (location != null)
260 event.setLocation(location);
261 if (priority != null)
262 event.setPriority(priority);
263 if (status != null)
264 event.setStatus(status);
265 if (url != null)
266 event.setUrl(url);
267 if (description != null)
268 event.setDescription(description);
269
270 if (freq > -1) {
271 Recurrence r = new Recurrence(freq);
273
274 r.setInterval(interval);
275
276 List <IWeekDay> wdlist = new LinkedList <IWeekDay>();
277 if (weekdays != null) {
278 for (Iterator iter = weekdays.iterator(); iter.hasNext(); ) {
279 WeekDay owd = (WeekDay) iter.next();
280 org.columba.calendar.model.WeekDay wd = new org.columba.calendar.model.WeekDay(owd.getDay(), owd.getOffset());
281 wdlist.add(wd);
282 }
283
284 r.setWeekDays(wdlist);
285 }
286
287 r.setEndType(IRecurrence.RECURRENCE_END_FOREVER);
288 if (until != null) {
289 r.setEndDate(until);
290 r.setEndType(IRecurrence.RECURRENCE_END_ENDDATE);
291 } else if (count > -1) {
292 r.setEndMaxOccurrences(count);
293 r.setEndType(IRecurrence.RECURRENCE_END_MAXOCCURRENCES);
294 }
295
296 event.setRecurrence(r);
297
298 } else {
299 event.setRecurrence(null);
300 }
301
302 for (String category : categories)
303 event.addCategory(category);
304
305 IEventInfo eventInfo = new EventInfo(uid, calendarItem.getId(), event);
306
307 v.add(eventInfo);
308 } else if (component.getName().equals(Component.VTIMEZONE)) {
309 for (Iterator j = component.getProperties().iterator(); j
310 .hasNext();) {
311 Property property = (Property) j.next();
312
313 System.out.println("Property [" + property.getName() + ", "
314 + property.getValue() + "]");
315 }
316 } else if (component.getName().equals(Component.VTODO)) {
317
318 for (Iterator j = component.getProperties().iterator(); j
319 .hasNext();) {
320 Property property = (Property) j.next();
321 String name = property.getName();
322 String value = property.getValue();
323
324 System.out.println("Property [" + property.getName() + ", "
325 + property.getValue() + "]");
326 }
327
328 }
329 }
330
331 in.close();
332
333 return v.iterator();
334 }
335
336 public static String correctUid(String value) {
337 Random r = new Random ();
339 if (value == null || value.length() == 0)
340 return (new UUIDGenerator()).newUUID();
341 return value.replaceAll("[^a-z,0-9,A-Z,_-]", "-");
342 }
343
344 }
345
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