001
014
015 package com.liferay.portlet.journal.util;
016
017 import com.liferay.portal.kernel.log.Log;
018 import com.liferay.portal.kernel.log.LogFactoryUtil;
019 import com.liferay.portal.kernel.templateparser.BaseTransformerListener;
020 import com.liferay.portal.kernel.util.LocaleUtil;
021 import com.liferay.portal.kernel.util.StringUtil;
022 import com.liferay.portal.kernel.xml.Document;
023 import com.liferay.portal.kernel.xml.Element;
024
025 import java.util.List;
026 import java.util.Map;
027
028
031 public class LocaleTransformerListener extends BaseTransformerListener {
032
033 @Override
034 public String onScript(
035 String script, Document document, String languageId,
036 Map<String, String> tokens) {
037
038 if (_log.isDebugEnabled()) {
039 _log.debug("onScript");
040 }
041
042 return StringUtil.replace(script, "@language_id@", languageId);
043 }
044
045 @Override
046 public Document onXml(
047 Document document, String languageId, Map<String, String> tokens) {
048
049 if (_log.isDebugEnabled()) {
050 _log.debug("onXml");
051 }
052
053 filterByLanguage(document, languageId);
054
055 return document;
056 }
057
058 protected void filterByLanguage(Document document, String languageId) {
059 Element rootElement = document.getRootElement();
060
061 String defaultLanguageId = LocaleUtil.toLanguageId(
062 LocaleUtil.getSiteDefault());
063
064 String[] availableLocales = StringUtil.split(
065 rootElement.attributeValue("available-locales", defaultLanguageId));
066
067 String defaultLocale = rootElement.attributeValue(
068 "default-locale", defaultLanguageId);
069
070 boolean supportedLocale = false;
071
072 for (String availableLocale : availableLocales) {
073 if (StringUtil.equalsIgnoreCase(availableLocale, languageId)) {
074 supportedLocale = true;
075
076 break;
077 }
078 }
079
080 if (!supportedLocale) {
081 filterByLanguage(rootElement, defaultLocale, defaultLanguageId);
082 }
083 else {
084 filterByLanguage(rootElement, languageId, defaultLanguageId);
085 }
086 }
087
088 protected void filterByLanguage(
089 Element root, String languageId, String defaultLanguageId) {
090
091 Element defaultLanguageElement = null;
092
093 boolean hasLanguageIdElement = false;
094
095 List<Element> elements = root.elements();
096
097 int listIndex = elements.size() - 1;
098
099 while (listIndex >= 0) {
100 Element element = elements.get(listIndex);
101
102 String tempLanguageId = element.attributeValue(
103 "language-id", languageId);
104
105 if (StringUtil.equalsIgnoreCase(tempLanguageId, languageId)) {
106 hasLanguageIdElement = true;
107
108 filterByLanguage(element, languageId, defaultLanguageId);
109 }
110 else {
111 if (StringUtil.equalsIgnoreCase(
112 tempLanguageId, defaultLanguageId)) {
113
114 defaultLanguageElement = element;
115 }
116
117 root.remove(element);
118 }
119
120 listIndex--;
121 }
122
123 if (!hasLanguageIdElement && (defaultLanguageElement != null)) {
124 root.add(defaultLanguageElement);
125
126 filterByLanguage(
127 defaultLanguageElement, languageId, defaultLanguageId);
128 }
129 }
130
131 private static Log _log = LogFactoryUtil.getLog(
132 LocaleTransformerListener.class);
133
134 }