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1
10
11 package mondrian.i18n;
12 import mondrian.olap.MondrianProperties;
13 import mondrian.olap.Util;
14 import mondrian.rolap.DynamicSchemaProcessor;
15 import org.apache.log4j.Logger;
16
17 import java.io.*;
18 import java.net.MalformedURLException  ;
19 import java.net.URL ;
20 import java.util.*;
21 import java.util.regex.Matcher ;
22 import java.util.regex.Pattern ;
23
24
31 public class LocalizingDynamicSchemaProcessor
32 implements DynamicSchemaProcessor {
33 private static final Logger LOGGER =
34 Logger.getLogger(LocalizingDynamicSchemaProcessor.class);
35
36
37 public LocalizingDynamicSchemaProcessor() {
38 }
39
40 private PropertyResourceBundle i8n;
41
42
45 private static final Pattern pattern = Pattern.compile("(%\\{.*?\\})");
46 private static final int INVALID_LOCALE = 1;
47 private static final int FULL_LOCALE = 3;
48 private static final int LANG_LOCALE = 2;
49 private static final Set<String > countries = Collections.unmodifiableSet(
50 new HashSet<String >(Arrays.asList(Locale.getISOCountries())));
51 private static final Set<String > languages = Collections.unmodifiableSet(
52 new HashSet<String >(Arrays.asList(Locale.getISOLanguages())));
53 private int localeType = INVALID_LOCALE;
54
55 void populate(String propFile) {
56 String localizedPropFileBase = "";
57 String [] tokens = propFile.split("\\.");
58
59 for (int i = 0; i < tokens.length - 1; i++) {
60 localizedPropFileBase = localizedPropFileBase +
61 ((localizedPropFileBase.length() == 0) ? "" : ".") +
62 tokens[i];
63 }
64
65 String [] localePropFilename = new String [localeType];
66 String [] localeTokens = locale.split("\\_");
67 int index = localeType;
68 for (int i = 0; i <localeType;i++) {
69 String catName = "";
71
76 for (int j = 0;j <= i - 1; j++) {
77 catName += "_" + localeTokens[j];
78 }
79 localePropFilename[--index] = localizedPropFileBase + catName +
80 "." + tokens[tokens.length-1];
81 }
82 boolean fileExists = false;
83 File file = null;
84 for (int i = 0;i < localeType && !fileExists; i++) {
85 file = new File(localePropFilename[i]);
86 if (LOGGER.isDebugEnabled()) {
87 LOGGER.debug("populate: file=" +
88 file.getAbsolutePath() +
89 " exists=" +
90 file.exists()
91 );
92 }
93 if (!file.exists()) {
94 LOGGER.warn("Mondrian: Warning: file '"
95 + file.getAbsolutePath()
96 + "' not found - trying next default locale");
97 }
98 fileExists = file.exists();
99 }
100
101 if (fileExists) {
102 try {
103 URL url = Util.toURL(file);
104 i8n = new PropertyResourceBundle(url.openStream());
105 LOGGER.info("Mondrian: locale file '"
106 + file.getAbsolutePath()
107 + "' loaded");
108
109 } catch (MalformedURLException e) {
110 LOGGER.error("Mondrian: locale file '"
111 + file.getAbsolutePath()
112 + "' could not be loaded ("
113 + e
114 + ")");
115 } catch (java.io.IOException e){
116 LOGGER.error("Mondrian: locale file '"
117 + file.getAbsolutePath()
118 + "' could not be loaded ("
119 + e
120 + ")");
121 }
122 } else {
123 LOGGER.warn("Mondrian: Warning: no suitable locale file found for locale '"
124 + locale
125 + "'");
126 }
127 }
128
129 private void loadProperties() {
130 String propFile = MondrianProperties.instance().LocalePropFile.get();
131 if (propFile != null) {
132 populate(propFile);
133 }
134 }
135
136 public String processSchema(
137 URL schemaUrl, Util.PropertyList connectInfo) throws Exception {
138
139 setLocale(connectInfo.get("Locale"));
140
141 loadProperties();
142
143 StringBuilder buf = new StringBuilder ();
144 BufferedReader in = new BufferedReader(
145 new InputStreamReader(
146 schemaUrl.openStream()));
147 String inputLine;
148 while ((inputLine = in.readLine()) != null) {
149 buf.append(inputLine);
150 }
151 in.close();
152 String schema = buf.toString();
153 if (i8n != null) {
154 schema = doRegExReplacements(schema);
155 }
156 LOGGER.debug(schema);
157 return schema;
158 }
159
160 private String doRegExReplacements(String schema) {
161 StringBuffer intlSchema = new StringBuffer ();
162 Matcher match = pattern.matcher(schema);
163 String key;
164 while (match.find()) {
165 key = extractKey(match.group());
166 int start = match.start();
167 int end = match.end();
168
169 try {
170 String intlProperty = i8n.getString(key);
171 if (intlProperty!=null){
172 match.appendReplacement(intlSchema, intlProperty);
173 }
174 } catch (java.util.MissingResourceException e){
175 LOGGER.error("Missing resource for key ["+key+"]",e);
176 } catch (java.lang.NullPointerException e){
177 LOGGER.error("missing resource key at substring("+start+","+end+")",e);
178 }
179 }
180 match.appendTail(intlSchema);
181 return intlSchema.toString();
182 }
183
184 private String extractKey(String group) {
185 return group.substring(2, group.length() - 1);
188 }
189
190
193 private String locale;
194
195
200 public String getLocale() {
201 return this.locale;
202 }
203
204
209 public void setLocale(String locale) {
210 this.locale = locale;
211 localeType = INVALID_LOCALE; if (locale.indexOf("_") != -1 && locale.length() == 5) {
214 if (languages.contains(locale.substring(0, 2)) &&
215 countries.contains(locale.substring(3, 5))) {
216 localeType = FULL_LOCALE;
217 }
218 } else {
219 if (locale.length()==2){
220 if (languages.contains(locale.substring(0, 2))) {
222 localeType = LANG_LOCALE;
223 }
224 }
225 }
226 }
227 }
228
229 |
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