1
22
23 package com.liferay.portlet.blogs.util.comparator;
24
25 import com.liferay.portal.kernel.util.DateUtil;
26 import com.liferay.portal.kernel.util.OrderByComparator;
27 import com.liferay.portlet.blogs.model.BlogsEntry;
28
29
36 public class EntryDisplayDateComparator extends OrderByComparator {
37
38 public static String ORDER_BY_ASC = "displayDate ASC, entryId ASC";
39
40 public static String ORDER_BY_DESC = "displayDate DESC, entryId DESC";
41
42 public static String[] ORDER_BY_FIELDS = {"displayDate", "entryId"};
43
44 public EntryDisplayDateComparator() {
45 this(false);
46 }
47
48 public EntryDisplayDateComparator(boolean asc) {
49 _asc = asc;
50 }
51
52 public int compare(Object obj1, Object obj2) {
53 BlogsEntry entry1 = (BlogsEntry)obj1;
54 BlogsEntry entry2 = (BlogsEntry)obj2;
55
56 int value = DateUtil.compareTo(
57 entry1.getDisplayDate(), entry2.getDisplayDate());
58
59 if (value == 0) {
60 if (entry1.getEntryId() < entry2.getEntryId()) {
61 value = -1;
62 }
63 else if (entry1.getEntryId() > entry2.getEntryId()) {
64 value = 1;
65 }
66 }
67
68 if (_asc) {
69 return value;
70 }
71 else {
72 return -value;
73 }
74 }
75
76 public String getOrderBy() {
77 if (_asc) {
78 return ORDER_BY_ASC;
79 }
80 else {
81 return ORDER_BY_DESC;
82 }
83 }
84
85 public String[] getOrderByFields() {
86 return ORDER_BY_FIELDS;
87 }
88
89 public boolean isAscending() {
90 return _asc;
91 }
92
93 private boolean _asc;
94
95 }