001
014
015 package com.liferay.portlet.journal.util.comparator;
016
017 import com.liferay.portal.kernel.util.OrderByComparator;
018 import com.liferay.portlet.journal.model.JournalArticle;
019
020
023 public class ArticleIDComparator extends OrderByComparator {
024
025 public static String ORDER_BY_ASC = "articleId ASC, version ASC";
026
027 public static String ORDER_BY_DESC = "articleId DESC, version DESC";
028
029 public static String[] ORDER_BY_FIELDS = {"articleId", "version"};
030
031 public ArticleIDComparator() {
032 this(false);
033 }
034
035 public ArticleIDComparator(boolean ascending) {
036 _ascending = ascending;
037 }
038
039 public int compare(Object obj1, Object obj2) {
040 JournalArticle article1 = (JournalArticle)obj1;
041 JournalArticle article2 = (JournalArticle)obj2;
042
043 int value = article1.getArticleId().toLowerCase().compareTo(
044 article2.getArticleId().toLowerCase());
045
046 if (value == 0) {
047 if (article1.getVersion() < article2.getVersion()) {
048 value = -1;
049 }
050 else if (article1.getVersion() > article2.getVersion()) {
051 value = 1;
052 }
053 }
054
055 if (_ascending) {
056 return value;
057 }
058 else {
059 return -value;
060 }
061 }
062
063 public String getOrderBy() {
064 if (_ascending) {
065 return ORDER_BY_ASC;
066 }
067 else {
068 return ORDER_BY_DESC;
069 }
070 }
071
072 public String[] getOrderByFields() {
073 return ORDER_BY_FIELDS;
074 }
075
076 public boolean isAscending() {
077 return _ascending;
078 }
079
080 private boolean _ascending;
081
082 }