1
22
23 package com.liferay.portal.servlet;
24
25 import com.liferay.portal.kernel.language.LanguageUtil;
26 import com.liferay.portal.kernel.log.Log;
27 import com.liferay.portal.kernel.log.LogFactoryUtil;
28 import com.liferay.portal.kernel.util.ContentTypes;
29 import com.liferay.portal.kernel.util.LocaleUtil;
30 import com.liferay.portal.kernel.util.StringPool;
31 import com.liferay.portal.kernel.util.StringUtil;
32 import com.liferay.portal.kernel.util.Validator;
33 import com.liferay.util.servlet.ServletResponseUtil;
34
35 import java.io.IOException;
36
37 import java.util.Locale;
38
39 import javax.servlet.http.HttpServlet;
40 import javax.servlet.http.HttpServletRequest;
41 import javax.servlet.http.HttpServletResponse;
42
43
48 public class LanguageServlet extends HttpServlet {
49
50 public void service(
51 HttpServletRequest request, HttpServletResponse response)
52 throws IOException {
53
54 String path = request.getPathInfo();
55
56 if (_log.isDebugEnabled()) {
57 _log.debug("Path " + path);
58 }
59
60 if (Validator.isNotNull(path) && path.startsWith(StringPool.SLASH)) {
61 path = path.substring(1, path.length());
62 }
63
64 String[] pathArray = StringUtil.split(path, StringPool.SLASH);
65
66 if (pathArray.length == 0) {
67 _log.error("Language id is not specified");
68
69 return;
70 }
71
72 if (pathArray.length == 1) {
73 _log.error("Language key is not specified");
74
75 return;
76 }
77
78 Locale locale = LocaleUtil.fromLanguageId(pathArray[0]);
79 String key = pathArray[1];
80
81 Object[] arguments = null;
82
83 if (pathArray.length > 2) {
84 arguments = new Object[pathArray.length - 2];
85
86 System.arraycopy(pathArray, 2, arguments, 0, arguments.length);
87 }
88
89 String value = key;
90
91 try {
92 if ((arguments == null) || (arguments.length == 0)) {
93 value = LanguageUtil.get(locale, key);
94 }
95 else {
96 value = LanguageUtil.format(locale, key, arguments);
97 }
98 }
99 catch (Exception e) {
100 if (_log.isWarnEnabled()) {
101 _log.warn(e, e);
102 }
103 }
104
105 response.setContentType(ContentTypes.TEXT_PLAIN_UTF8);
106
107 ServletResponseUtil.write(response, value.getBytes(StringPool.UTF8));
108 }
109
110 private static Log _log = LogFactoryUtil.getLog(LanguageServlet.class);
111
112 }