net.fortuna.ical4j.transform.PublishTransformer Maven / Gradle / Ivy
/**
* Copyright (c) 2012, Ben Fortuna
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* o Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* o Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* o Neither the name of Ben Fortuna nor the names of any other contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package net.fortuna.ical4j.transform;
import net.fortuna.ical4j.model.Calendar;
import net.fortuna.ical4j.model.Component;
import net.fortuna.ical4j.model.Property;
import net.fortuna.ical4j.model.PropertyList;
import net.fortuna.ical4j.model.property.Method;
import net.fortuna.ical4j.model.property.Sequence;
/**
* $Id$
*
* Created: 26/09/2004
*
* Transforms a calendar for publishing.
* @author benfortuna
*/
public class PublishTransformer extends Transformer {
/**
* {@inheritDoc}
*/
public final Calendar transform(final Calendar calendar) {
PropertyList calProps = calendar.getProperties();
Property method = calProps.getProperty(Property.METHOD);
if (method != null) {
calProps.remove(method);
}
calProps.add(Method.PUBLISH);
// if a calendar component has already been published previously
// update the sequence number..
for (Component component : calendar.getComponents()) {
PropertyList compProps = component.getProperties();
Sequence sequence = (Sequence) compProps
.getProperty(Property.SEQUENCE);
if (sequence == null) {
compProps.add(new Sequence(0));
}
else {
compProps.remove(sequence);
compProps.add(new Sequence(sequence.getSequenceNo() + 1));
}
}
return calendar;
}
}