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 final String ORDER_BY_ASC =
026 "JournalArticle.articleId ASC, JournalArticle.version ASC";
027
028 public static final String ORDER_BY_DESC =
029 "JournalArticle.articleId DESC, JournalArticle.version DESC";
030
031 public static final String[] ORDER_BY_FIELDS = {"articleId", "version"};
032
033 public ArticleIDComparator() {
034 this(false);
035 }
036
037 public ArticleIDComparator(boolean ascending) {
038 _ascending = ascending;
039 }
040
041 @Override
042 public int compare(Object obj1, Object obj2) {
043 JournalArticle article1 = (JournalArticle)obj1;
044 JournalArticle article2 = (JournalArticle)obj2;
045
046 int value = article1.getArticleId().toLowerCase().compareTo(
047 article2.getArticleId().toLowerCase());
048
049 if (value == 0) {
050 if (article1.getVersion() < article2.getVersion()) {
051 value = -1;
052 }
053 else if (article1.getVersion() > article2.getVersion()) {
054 value = 1;
055 }
056 }
057
058 if (_ascending) {
059 return value;
060 }
061 else {
062 return -value;
063 }
064 }
065
066 @Override
067 public String getOrderBy() {
068 if (_ascending) {
069 return ORDER_BY_ASC;
070 }
071 else {
072 return ORDER_BY_DESC;
073 }
074 }
075
076 @Override
077 public String[] getOrderByFields() {
078 return ORDER_BY_FIELDS;
079 }
080
081 @Override
082 public boolean isAscending() {
083 return _ascending;
084 }
085
086 private boolean _ascending;
087
088 }