001
014
015 package com.liferay.portlet.blogs.util.comparator;
016
017 import com.liferay.portal.kernel.util.DateUtil;
018 import com.liferay.portal.kernel.util.OrderByComparator;
019 import com.liferay.portlet.blogs.model.BlogsEntry;
020
021
024 public class EntryDisplayDateComparator extends OrderByComparator {
025
026 public static String ORDER_BY_ASC = "displayDate ASC, entryId ASC";
027
028 public static String ORDER_BY_DESC = "displayDate DESC, entryId DESC";
029
030 public static String[] ORDER_BY_FIELDS = {"displayDate", "entryId"};
031
032 public EntryDisplayDateComparator() {
033 this(false);
034 }
035
036 public EntryDisplayDateComparator(boolean ascending) {
037 _ascending = ascending;
038 }
039
040 public int compare(Object obj1, Object obj2) {
041 BlogsEntry entry1 = (BlogsEntry)obj1;
042 BlogsEntry entry2 = (BlogsEntry)obj2;
043
044 int value = DateUtil.compareTo(
045 entry1.getDisplayDate(), entry2.getDisplayDate());
046
047 if (value == 0) {
048 if (entry1.getEntryId() < entry2.getEntryId()) {
049 value = -1;
050 }
051 else if (entry1.getEntryId() > entry2.getEntryId()) {
052 value = 1;
053 }
054 }
055
056 if (_ascending) {
057 return value;
058 }
059 else {
060 return -value;
061 }
062 }
063
064 public String getOrderBy() {
065 if (_ascending) {
066 return ORDER_BY_ASC;
067 }
068 else {
069 return ORDER_BY_DESC;
070 }
071 }
072
073 public String[] getOrderByFields() {
074 return ORDER_BY_FIELDS;
075 }
076
077 public boolean isAscending() {
078 return _ascending;
079 }
080
081 private boolean _ascending;
082
083 }