001 package biweekly.component.marshaller;
002
003 import java.util.ArrayList;
004 import java.util.Collections;
005 import java.util.Comparator;
006 import java.util.Date;
007 import java.util.List;
008
009 import biweekly.component.VFreeBusy;
010 import biweekly.property.FreeBusy;
011 import biweekly.property.ICalProperty;
012 import biweekly.util.Period;
013
014 /*
015 Copyright (c) 2013, Michael Angstadt
016 All rights reserved.
017
018 Redistribution and use in source and binary forms, with or without
019 modification, are permitted provided that the following conditions are met:
020
021 1. Redistributions of source code must retain the above copyright notice, this
022 list of conditions and the following disclaimer.
023 2. Redistributions in binary form must reproduce the above copyright notice,
024 this list of conditions and the following disclaimer in the documentation
025 and/or other materials provided with the distribution.
026
027 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
028 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
029 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
030 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
031 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
032 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
033 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
034 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
035 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
036 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
037 */
038
039 /**
040 * @author Michael Angstadt
041 */
042 public class VFreeBusyMarshaller extends ICalComponentMarshaller<VFreeBusy> {
043 public VFreeBusyMarshaller() {
044 super(VFreeBusy.class, "VFREEBUSY");
045 }
046
047 @Override
048 public List<ICalProperty> getProperties(VFreeBusy component) {
049 List<ICalProperty> properties = super.getProperties(component);
050
051 List<FreeBusy> fb = new ArrayList<FreeBusy>(component.getFreeBusy());
052 if (fb.isEmpty()) {
053 return properties;
054 }
055
056 //sort FREEBUSY properties by start date (p.100)
057 Collections.sort(fb, new Comparator<FreeBusy>() {
058 public int compare(FreeBusy one, FreeBusy two) {
059 Date oneStart = getEarliestStartDate(one);
060 Date twoStart = getEarliestStartDate(two);
061 if (oneStart == null && twoStart == null) {
062 return 0;
063 }
064 if (oneStart == null) {
065 return 1;
066 }
067 if (twoStart == null) {
068 return -1;
069 }
070 return oneStart.compareTo(twoStart);
071 }
072
073 private Date getEarliestStartDate(FreeBusy fb) {
074 Date date = null;
075 for (Period tp : fb.getValues()) {
076 if (tp.getStartDate() == null) {
077 continue;
078 }
079 if (date == null || date.compareTo(tp.getStartDate()) > 0) {
080 date = tp.getStartDate();
081 }
082 }
083 return date;
084 }
085 });
086
087 //find index of first FREEBUSY instance
088 int index = 0;
089 for (ICalProperty prop : properties) {
090 if (prop instanceof FreeBusy) {
091 break;
092 }
093 index++;
094 }
095
096 //remove and re-add the FREEBUSY instances in sorted order
097 for (FreeBusy f : fb) {
098 properties.remove(f);
099 properties.add(index++, f);
100 }
101
102 return properties;
103 }
104
105 @Override
106 protected VFreeBusy _newInstance() {
107 return new VFreeBusy();
108 }
109 }