1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/net/fortuna/ical4j/transform/PublishTransformer.java Tue Feb 10 18:12:00 2015 +0100
1.3 @@ -0,0 +1,88 @@
1.4 +/**
1.5 + * Copyright (c) 2012, Ben Fortuna
1.6 + * All rights reserved.
1.7 + *
1.8 + * Redistribution and use in source and binary forms, with or without
1.9 + * modification, are permitted provided that the following conditions
1.10 + * are met:
1.11 + *
1.12 + * o Redistributions of source code must retain the above copyright
1.13 + * notice, this list of conditions and the following disclaimer.
1.14 + *
1.15 + * o Redistributions in binary form must reproduce the above copyright
1.16 + * notice, this list of conditions and the following disclaimer in the
1.17 + * documentation and/or other materials provided with the distribution.
1.18 + *
1.19 + * o Neither the name of Ben Fortuna nor the names of any other contributors
1.20 + * may be used to endorse or promote products derived from this software
1.21 + * without specific prior written permission.
1.22 + *
1.23 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
1.24 + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
1.25 + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
1.26 + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
1.27 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
1.28 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
1.29 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
1.30 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
1.31 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
1.32 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
1.33 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.34 + */
1.35 +package net.fortuna.ical4j.transform;
1.36 +
1.37 +import java.util.Iterator;
1.38 +import net.fortuna.ical4j.model.Calendar;
1.39 +import net.fortuna.ical4j.model.Component;
1.40 +import net.fortuna.ical4j.model.Property;
1.41 +import net.fortuna.ical4j.model.PropertyList;
1.42 +import net.fortuna.ical4j.model.property.Method;
1.43 +import net.fortuna.ical4j.model.property.Sequence;
1.44 +
1.45 +/**
1.46 + * $Id$
1.47 + *
1.48 + * Created: 26/09/2004
1.49 + *
1.50 + * Transforms a calendar for publishing.
1.51 + * @author benfortuna
1.52 + */
1.53 +public class PublishTransformer extends Transformer {
1.54 +
1.55 + /**
1.56 + * {@inheritDoc}
1.57 + */
1.58 + public final Calendar transform(final Calendar calendar) {
1.59 + PropertyList calProps = calendar.getProperties();
1.60 +
1.61 + Property method = calProps.getProperty(Property.METHOD);
1.62 +
1.63 + if (method != null) {
1.64 + calProps.remove(method);
1.65 + }
1.66 +
1.67 + calProps.add(Method.PUBLISH);
1.68 +
1.69 + // if a calendar component has already been published previously
1.70 + // update the sequence number..
1.71 + for (Iterator i = calendar.getComponents().iterator(); i.hasNext();) {
1.72 + Component component = (Component) i.next();
1.73 +
1.74 + PropertyList compProps = component.getProperties();
1.75 +
1.76 + Sequence sequence = (Sequence) compProps
1.77 + .getProperty(Property.SEQUENCE);
1.78 +
1.79 + if (sequence == null) {
1.80 + compProps.add(new Sequence(0));
1.81 + }
1.82 + else {
1.83 + compProps.remove(sequence);
1.84 + compProps.add(new Sequence(sequence.getSequenceNo() + 1));
1.85 + }
1.86 + }
1.87 +
1.88 + return calendar;
1.89 + }
1.90 +
1.91 +}
