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 import com.liferay.portal.kernel.xml.SAXReaderUtil;
025 import com.liferay.portlet.dynamicdatamapping.util.DDMXMLUtil;
026
027 import java.util.List;
028 import java.util.Map;
029
030
033 public class LocaleTransformerListener extends BaseTransformerListener {
034
035 @Override
036 public String onScript(
037 String script, String xml, String languageId,
038 Map<String, String> tokens) {
039
040 if (_log.isDebugEnabled()) {
041 _log.debug("onScript");
042 }
043
044 return StringUtil.replace(script, "@language_id@", languageId);
045 }
046
047 @Override
048 public String onXml(
049 String xml, String languageId, Map<String, String> tokens) {
050
051 if (_log.isDebugEnabled()) {
052 _log.debug("onXml");
053 }
054
055 return filterByLanguage(xml, languageId);
056 }
057
058 protected void filterByLanguage(
059 Element root, String languageId, String defaultLanguageId) {
060
061 Element defaultLanguageElement = null;
062
063 boolean hasLanguageIdElement = false;
064
065 List<Element> elements = root.elements();
066
067 int listIndex = elements.size() - 1;
068
069 while (listIndex >= 0) {
070 Element element = elements.get(listIndex);
071
072 String tempLanguageId = element.attributeValue(
073 "language-id", languageId);
074
075 if (StringUtil.equalsIgnoreCase(tempLanguageId, languageId)) {
076 hasLanguageIdElement = true;
077
078 filterByLanguage(element, languageId, defaultLanguageId);
079 }
080 else {
081 if (StringUtil.equalsIgnoreCase(
082 tempLanguageId, defaultLanguageId)) {
083
084 defaultLanguageElement = element;
085 }
086
087 root.remove(element);
088 }
089
090 listIndex--;
091 }
092
093 if (!hasLanguageIdElement && (defaultLanguageElement != null)) {
094 root.add(defaultLanguageElement);
095
096 filterByLanguage(
097 defaultLanguageElement, languageId, defaultLanguageId);
098 }
099 }
100
101 protected String filterByLanguage(String xml, String languageId) {
102 if (xml == null) {
103 return xml;
104 }
105
106 try {
107 Document document = SAXReaderUtil.read(xml);
108
109 Element rootElement = document.getRootElement();
110
111 String defaultLanguageId = LocaleUtil.toLanguageId(
112 LocaleUtil.getSiteDefault());
113
114 String[] availableLocales = StringUtil.split(
115 rootElement.attributeValue(
116 "available-locales", defaultLanguageId));
117
118 String defaultLocale = rootElement.attributeValue(
119 "default-locale", defaultLanguageId);
120
121 boolean supportedLocale = false;
122
123 for (String availableLocale : availableLocales) {
124 if (StringUtil.equalsIgnoreCase(availableLocale, languageId)) {
125 supportedLocale = true;
126
127 break;
128 }
129 }
130
131 if (!supportedLocale) {
132 filterByLanguage(rootElement, defaultLocale, defaultLanguageId);
133 }
134 else {
135 filterByLanguage(rootElement, languageId, defaultLanguageId);
136 }
137
138 xml = DDMXMLUtil.formatXML(document);
139 }
140 catch (Exception e) {
141 _log.error(e);
142 }
143
144 return xml;
145 }
146
147 private static Log _log = LogFactoryUtil.getLog(
148 LocaleTransformerListener.class);
149
150 }