001 package biweekly.component.marshaller;
002
003 import java.util.ArrayList;
004 import java.util.Collection;
005 import java.util.Collections;
006 import java.util.Comparator;
007 import java.util.Date;
008 import java.util.List;
009
010 import biweekly.component.VFreeBusy;
011 import biweekly.property.FreeBusy;
012 import biweekly.property.ICalProperty;
013 import biweekly.util.Period;
014
015 /*
016 Copyright (c) 2013, Michael Angstadt
017 All rights reserved.
018
019 Redistribution and use in source and binary forms, with or without
020 modification, are permitted provided that the following conditions are met:
021
022 1. Redistributions of source code must retain the above copyright notice, this
023 list of conditions and the following disclaimer.
024 2. Redistributions in binary form must reproduce the above copyright notice,
025 this list of conditions and the following disclaimer in the documentation
026 and/or other materials provided with the distribution.
027
028 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
029 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
030 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
031 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
032 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
033 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
034 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
035 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
036 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
037 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
038 */
039
040 /**
041 * @author Michael Angstadt
042 */
043 public class VFreeBusyMarshaller extends ICalComponentMarshaller<VFreeBusy> {
044 public VFreeBusyMarshaller() {
045 super(VFreeBusy.class, "VFREEBUSY");
046 }
047
048 @Override
049 public Collection<ICalProperty> getProperties(VFreeBusy component) {
050 //sort FREEBUSY properties by start date
051 //TODO this will require that a List be returned
052 List<FreeBusy> fb = new ArrayList<FreeBusy>(component.getFreeBusy());
053 Collections.sort(fb, new Comparator<FreeBusy>() {
054 public int compare(FreeBusy one, FreeBusy two) {
055 Date oneStart = getEarliestStartDate(one);
056 Date twoStart = getEarliestStartDate(two);
057 if (oneStart == null && twoStart == null) {
058 return 0;
059 }
060 if (oneStart == null) {
061 return 1;
062 }
063 if (twoStart == null) {
064 return -1;
065 }
066 return oneStart.compareTo(twoStart);
067 }
068
069 private Date getEarliestStartDate(FreeBusy fb) {
070 Date date = null;
071 for (Period tp : fb.getValues()) {
072 if (tp.getStartDate() == null) {
073 continue;
074 }
075 if (date == null || date.compareTo(tp.getStartDate()) > 0) {
076 date = tp.getStartDate();
077 }
078 }
079 return date;
080 }
081 });
082
083 //make sure the FREEBUSY properties appear in sorted order
084 Collection<ICalProperty> all = super.getProperties(component);
085 for (FreeBusy f : fb) {
086 if (all.remove(f)) {
087 all.add(f);
088 }
089 }
090
091 return all;
092 }
093
094 @Override
095 protected VFreeBusy _newInstance() {
096 return new VFreeBusy();
097 }
098 }