/*
===========================================================================
Copyright (c) 2013 3PillarGlobal
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sub-license, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
===========================================================================
*/
package com.threepillar.labs.meeting.email;
import java.io.ByteArrayOutputStream;
import java.net.URI;
import java.util.Date;
import java.util.List;
import net.fortuna.ical4j.data.CalendarOutputter;
import net.fortuna.ical4j.model.DateTime;
import net.fortuna.ical4j.model.component.VEvent;
import net.fortuna.ical4j.model.parameter.Cn;
import net.fortuna.ical4j.model.parameter.Role;
import net.fortuna.ical4j.model.property.Attendee;
import net.fortuna.ical4j.model.property.CalScale;
import net.fortuna.ical4j.model.property.Description;
import net.fortuna.ical4j.model.property.DtEnd;
import net.fortuna.ical4j.model.property.DtStart;
import net.fortuna.ical4j.model.property.Location;
import net.fortuna.ical4j.model.property.Organizer;
import net.fortuna.ical4j.model.property.ProdId;
import net.fortuna.ical4j.model.property.Summary;
import net.fortuna.ical4j.model.property.Uid;
import net.fortuna.ical4j.util.CompatibilityHints;
import net.fortuna.ical4j.util.UidGenerator;
import com.threepillar.labs.meeting.Participant;
import com.threepillar.labs.meeting.ParticipantType;
/**
* Generates a ICS fromat of meeting invite
*
* @author tarun.nagpal
*
*/
public class ICal {
private String subject;
private String content;
private Date start;
private Date end;
private Participant from;
String location;
private List<Participant> attendees;
net.fortuna.ical4j.model.Calendar cal;
/**
* @param subject
* the invitation subject
* @param content
* the invitation description
* @param from
* the organizer
* @param attendees
* list of attendees of this events
* @param startDate
* the start date time of an event
* @param endDate
* the end date time of an event
* @param location
* the location of event
*/
public ICal(final String subject, final String content,
final Participant from, final List<Participant> attendees,
final Date startDate, final Date endDate, final String location) {
this.subject = subject;
this.content = content;
this.start = startDate;
this.end = endDate;
this.from = from;
this.attendees = attendees;
this.location = location;
cal = new net.fortuna.ical4j.model.Calendar();
}
@Override
public String toString() {
return cal.toString();
}
public byte[] toByteArray() throws Exception {
ByteArrayOutputStream bout = new ByteArrayOutputStream();
CalendarOutputter outputter = new CalendarOutputter();
outputter.output(cal, bout);
return bout.toByteArray();
}
/**
* creates a ICS calendar request
*
* @throws Exception
*/
public void init() throws Exception {
cal.getProperties().add(new ProdId("-//iloveoutlook//iCal4j 1.0//EN"));
cal.getProperties().add(
net.fortuna.ical4j.model.property.Version.VERSION_2_0);
cal.getProperties().add(CalScale.GREGORIAN);
cal.getProperties().add(
net.fortuna.ical4j.model.property.Method.REQUEST);
CompatibilityHints.setHintEnabled(
CompatibilityHints.KEY_OUTLOOK_COMPATIBILITY, true);
VEvent meeting = new VEvent();
meeting.getProperties().add(new Summary(subject));
meeting.getProperties().add(new Description(content));
meeting.getProperties().add(new DtStart(new DateTime(start)));
meeting.getProperties().add(new DtEnd(new DateTime(end)));
if (location != null) {
meeting.getProperties().add(new Location(location));
}
// generate unique identifier..
UidGenerator ug = new UidGenerator("3pillar");
Uid uid = ug.generateUid();
meeting.getProperties().add(uid);
// add organizer..
Organizer organizer = new Organizer(URI.create("mailto:"
+ from.getEmail()));
meeting.getProperties().add(organizer);
// add attendees..
Attendee attn = new Attendee(URI.create("mailto:" + from.getEmail()));
if (ParticipantType.REQUIRED.equals(from.getType())) {
attn.getParameters().add(Role.REQ_PARTICIPANT);
} else if (ParticipantType.REQUIRED.equals(from.getType())) {
attn.getParameters().add(Role.OPT_PARTICIPANT);
} else {
attn.getParameters().add(Role.NON_PARTICIPANT);
}
attn.getParameters().add(new Cn("3Pillar Labs"));
meeting.getProperties().add(attn);
for (Participant attendee : attendees) {
Attendee dev2 = new Attendee(URI.create("mailto:"
+ attendee.getEmail()));
if (ParticipantType.REQUIRED.equals(attendee.getType())) {
dev2.getParameters().add(Role.REQ_PARTICIPANT);
} else if (ParticipantType.REQUIRED.equals(attendee.getType())) {
dev2.getParameters().add(Role.OPT_PARTICIPANT);
} else {
dev2.getParameters().add(Role.NON_PARTICIPANT);
}
dev2.getParameters().add(new Cn("3Pillar Labs"));
meeting.getProperties().add(dev2);
}
cal.getComponents().add(meeting);
}
}