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comparison: src/net/fortuna/ical4j/transform/PublishTransformer.java
src/net/fortuna/ical4j/transform/PublishTransformer.java
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| 1 /** | |
| 2 * Copyright (c) 2012, Ben Fortuna | |
| 3 * All rights reserved. | |
| 4 * | |
| 5 * Redistribution and use in source and binary forms, with or without | |
| 6 * modification, are permitted provided that the following conditions | |
| 7 * are met: | |
| 8 * | |
| 9 * o Redistributions of source code must retain the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer. | |
| 11 * | |
| 12 * o Redistributions in binary form must reproduce the above copyright | |
| 13 * notice, this list of conditions and the following disclaimer in the | |
| 14 * documentation and/or other materials provided with the distribution. | |
| 15 * | |
| 16 * o Neither the name of Ben Fortuna nor the names of any other contributors | |
| 17 * may be used to endorse or promote products derived from this software | |
| 18 * without specific prior written permission. | |
| 19 * | |
| 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR | |
| 24 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 27 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
| 28 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
| 29 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
| 30 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 31 */ | |
| 32 package net.fortuna.ical4j.transform; | |
| 33 | |
| 34 import java.util.Iterator; | |
| 35 import net.fortuna.ical4j.model.Calendar; | |
| 36 import net.fortuna.ical4j.model.Component; | |
| 37 import net.fortuna.ical4j.model.Property; | |
| 38 import net.fortuna.ical4j.model.PropertyList; | |
| 39 import net.fortuna.ical4j.model.property.Method; | |
| 40 import net.fortuna.ical4j.model.property.Sequence; | |
| 41 | |
| 42 /** | |
| 43 * $Id$ | |
| 44 * | |
| 45 * Created: 26/09/2004 | |
| 46 * | |
| 47 * Transforms a calendar for publishing. | |
| 48 * @author benfortuna | |
| 49 */ | |
| 50 public class PublishTransformer extends Transformer { | |
| 51 | |
| 52 /** | |
| 53 * {@inheritDoc} | |
| 54 */ | |
| 55 public final Calendar transform(final Calendar calendar) { | |
| 56 PropertyList calProps = calendar.getProperties(); | |
| 57 | |
| 58 Property method = calProps.getProperty(Property.METHOD); | |
| 59 | |
| 60 if (method != null) { | |
| 61 calProps.remove(method); | |
| 62 } | |
| 63 | |
| 64 calProps.add(Method.PUBLISH); | |
| 65 | |
| 66 // if a calendar component has already been published previously | |
| 67 // update the sequence number.. | |
| 68 for (Iterator i = calendar.getComponents().iterator(); i.hasNext();) { | |
| 69 Component component = (Component) i.next(); | |
| 70 | |
| 71 PropertyList compProps = component.getProperties(); | |
| 72 | |
| 73 Sequence sequence = (Sequence) compProps | |
| 74 .getProperty(Property.SEQUENCE); | |
| 75 | |
| 76 if (sequence == null) { | |
| 77 compProps.add(new Sequence(0)); | |
| 78 } | |
| 79 else { | |
| 80 compProps.remove(sequence); | |
| 81 compProps.add(new Sequence(sequence.getSequenceNo() + 1)); | |
| 82 } | |
| 83 } | |
| 84 | |
| 85 return calendar; | |
| 86 } | |
| 87 | |
| 88 } |
