Calendar.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2012 Lluis Turró Cutiller <http://www.turro.org/>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
package org.turro.ical;
 
import java.io.IOException;
import java.io.OutputStream;
import java.net.SocketException;
import java.net.URI;
import java.util.Date;
import java.util.logging.Level;
import java.util.logging.Logger;
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.Completed;
import net.fortuna.ical4j.model.property.Description;
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.Status;
import net.fortuna.ical4j.model.property.Uid;
import net.fortuna.ical4j.model.property.Version;
import net.fortuna.ical4j.util.FixedUidGenerator;
import net.fortuna.ical4j.util.UidGenerator;
import org.turro.string.Strings;
import org.turro.action.Contacts;
import org.turro.elephant.context.ElephantContext;
 
public class Calendar {
 
  private net.fortuna.ical4j.model.Calendar icsCalendar;
  private VEvent currentEvent;
  private Date endDate;
  
  public Calendar(String name) {
    icsCalendar = new net.fortuna.ical4j.model.Calendar();
    icsCalendar.getProperties().add(new ProdId(name));
    icsCalendar.getProperties().add(Version.VERSION_2_0);
    icsCalendar.getProperties().add(CalScale.GREGORIAN);
  }
  
  public void addEvent(Date start, Date end, String name, String description) {
    try {
      currentEvent = new VEvent(new DateTime(start), new DateTime(end == null ? start : end), name);
      currentEvent.getProperties().add(new Description(description));
 
      endDate = end;
      
      UidGenerator ug = new FixedUidGenerator("uidGen");
      Uid uid = ug.generateUid();
      currentEvent.getProperties().add(uid);
 
      icsCalendar.getComponents().add(currentEvent);
    } catch (SocketException ex) {
      Logger.getLogger(Calendar.class.getName()).log(Level.SEVERE, ElephantContext.logMsg(null), ex);
    }
  }
  
  public void setOrganizer(String name, String email) {
    URI umail;
    try {
      umail = URI.create("mailto:" + email);
    } catch(Exception ex) {
      umail = URI.create("mailto:" + Contacts.getNoEmail());
    }
    Organizer organizer = new Organizer(umail);
    organizer.getParameters().add(new Cn(name));
    currentEvent.getProperties().add(organizer);  
  }
 
  public void setCompleted() {
    currentEvent.getProperties().add(new Completed(new DateTime(endDate)));  
  }
 
  public void setCancelled() {
    currentEvent.getProperties().add(new Status("CANCELLED"));  
  }
 
  public void addAttendee(String name, String email) {
    URI umail;
    try {
      umail = URI.create("mailto:" + email);
    } catch(Exception ex) {
      umail = URI.create("mailto:" + Contacts.getNoEmail());
    }
    Attendee attendee = new Attendee(umail);
    attendee.getParameters().add(Role.REQ_PARTICIPANT);
    attendee.getParameters().add(new Cn(name));
    currentEvent.getProperties().add(attendee);  
  }
 
  public void addLocation(String address) {
    if(!Strings.isBlank(address)) {
      Location location = new Location(address);
      currentEvent.getProperties().add(location);  
    }
  }
 
  public void output(OutputStream out) {
    try {
      CalendarOutputter outputter = new CalendarOutputter();
      outputter.output(icsCalendar, out);
    } catch (IOException ex) {
      Logger.getLogger(Calendar.class.getName()).log(Level.SEVERE, ElephantContext.logMsg(null), ex);
    }
  }
  
}