1
14
15 package com.liferay.portlet.journal.util;
16
17 import com.liferay.portal.kernel.log.Log;
18 import com.liferay.portal.kernel.log.LogFactoryUtil;
19 import com.liferay.portal.kernel.util.LocaleUtil;
20 import com.liferay.portal.kernel.util.StringPool;
21 import com.liferay.portal.kernel.util.StringUtil;
22 import com.liferay.portal.kernel.xml.Document;
23 import com.liferay.portal.kernel.xml.Element;
24 import com.liferay.portal.kernel.xml.SAXReaderUtil;
25
26 import java.util.List;
27
28
33 public class LocaleTransformerListener extends TransformerListener {
34
35 public String onXml(String s) {
36 if (_log.isDebugEnabled()) {
37 _log.debug("onXml");
38 }
39
40 s = replace(s);
41
42 return s;
43 }
44
45 public String onScript(String s) {
46 if (_log.isDebugEnabled()) {
47 _log.debug("onScript");
48 }
49
50 s = StringUtil.replace(s, "@language_id@", _requestedLocale);
51
52 return s;
53 }
54
55 public String onOutput(String s) {
56 if (_log.isDebugEnabled()) {
57 _log.debug("onOutput");
58 }
59
60 return s;
61 }
62
63 protected String replace(String xml) {
64 if (xml == null) {
65 return xml;
66 }
67
68 _requestedLocale = getLanguageId();
69
70 try {
71 Document doc = SAXReaderUtil.read(xml);
72
73 Element root = doc.getRootElement();
74
75 String defaultLanguageId = LocaleUtil.toLanguageId(
76 LocaleUtil.getDefault());
77
78 String[] availableLocales = StringUtil.split(
79 root.attributeValue("available-locales", defaultLanguageId));
80
81 String defaultLocale = root.attributeValue(
82 "default-locale", defaultLanguageId);
83
84 boolean isSupportedLocale = false;
85
86 for (int i = 0; i < availableLocales.length; i++) {
87 if (availableLocales[i].equalsIgnoreCase(getLanguageId())) {
88 isSupportedLocale = true;
89
90 break;
91 }
92 }
93
94 if (!isSupportedLocale) {
95 setLanguageId(defaultLocale);
96 }
97
98 replace(root);
99
100 xml = JournalUtil.formatXML(doc);
101 }
102 catch (Exception e) {
103 _log.error(e);
104 }
105
106 return xml;
107 }
108
109 protected void replace(Element root) {
110 List<Element> children = root.elements();
111
112 int listIndex = children.size() - 1;
113
114 while (listIndex >= 0) {
115 Element child = children.get(listIndex);
116
117 String languageId = child.attributeValue(
118 "language-id", getLanguageId());
119
120 if (!languageId.equalsIgnoreCase(getLanguageId())) {
121 root.remove(child);
122 }
123 else{
124 replace(child);
125 }
126
127 listIndex--;
128 }
129 }
130
131 private static Log _log = LogFactoryUtil.getLog(
132 LocaleTransformerListener.class);
133
134 private String _requestedLocale = StringPool.BLANK;
135
136 }