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1
11 package org.eclipse.update.internal.configurator.branding;
12
13 import java.io.*;
14 import java.net.*;
15 import java.text.MessageFormat  ; import java.util.ArrayList ;
17 import java.util.Enumeration ;
18 import java.util.Hashtable ;
19 import java.util.MissingResourceException ;
20 import java.util.Properties ;
21 import java.util.PropertyResourceBundle ;
22 import java.util.StringTokenizer ;
23
24 import org.eclipse.core.runtime.*;
25 import org.eclipse.osgi.util.NLS;
26 import org.eclipse.update.internal.configurator.Messages;
27 import org.eclipse.update.internal.configurator.Utils;
28 import org.osgi.framework.*;
29
30
37 public class IniFileReader {
38 private static final String PID = "org.eclipse.update.configurator"; private static final Status OK_STATUS = new Status(IStatus.OK, PID, 0, "", null); private static final String KEY_PREFIX = "%"; private static final String KEY_DOUBLE_PREFIX = "%%"; private static final String NLS_TAG = "$nl$";
44 private String featureId;
45 private String pluginId;
46 private String iniFilename;
47 private String propertiesFilename;
48 private String mappingsFilename;
49 private Properties ini = null;
50 private PropertyResourceBundle properties = null;
51 private String [] mappings = null;
52 private Bundle bundle;
53
54
63 public IniFileReader(String featureId, String pluginId, String iniFilename, String propertiesFilename, String mappingsFilename) {
64 super();
65
66 if (featureId == null || pluginId == null || iniFilename == null) {
67 throw new IllegalArgumentException ();
68 }
69
70 this.featureId = featureId;
71 this.pluginId = pluginId;
72 this.iniFilename = iniFilename;
73 this.propertiesFilename = propertiesFilename;
74 this.mappingsFilename = mappingsFilename;
75 }
76
77
84 public IStatus load() {
85 if (ini != null)
86 return OK_STATUS;
87
88 bundle = Utils.getBundle(pluginId);
90 if (bundle == null || bundle.getState() == Bundle.UNINSTALLED || bundle.getState() == Bundle.INSTALLED) {
91 bundle = null; String message = NLS.bind(Messages.IniFileReader_MissingDesc, (new String [] { featureId }));
93 return new Status(IStatus.ERROR, PID, 0, message, null);
94 }
95
96 URL iniURL = null;
98 IOException ioe = null;
99 iniURL = FileLocator.find(bundle, new Path(NLS_TAG).append(iniFilename), null);
100 if (iniURL == null) {
101 String message = NLS.bind(Messages.IniFileReader_OpenINIError, (new String [] { iniFilename }));
102 return new Status(IStatus.ERROR, PID, 0, message, ioe);
103 }
104
105 URL propertiesURL = null;
107 if (propertiesFilename != null & propertiesFilename.length() > 0) {
108 propertiesURL = FileLocator.find(bundle, new Path(NLS_TAG).append(propertiesFilename), null);
109 }
110
111 URL mappingsURL = null;
113 if (mappingsFilename != null && mappingsFilename.length() > 0) {
114 mappingsURL = FileLocator.find(bundle, new Path(NLS_TAG).append(mappingsFilename), null);
115 }
116
117 return load(iniURL, propertiesURL, mappingsURL);
119 }
120
121
127 public String getString(String key, boolean doNls, Hashtable runtimeMappings) {
128 if (ini == null)
129 return null;
130 String value = ini.getProperty(key);
131 if (value != null && doNls)
132 return getResourceString(value, runtimeMappings);
133 return value;
134 }
135
136
137
142 public URL getURL(String key) {
143 if (ini == null)
144 return null;
145
146 URL url = null;
147 String fileName = ini.getProperty(key);
148 if (fileName != null) {
149 if (bundle == null)
150 return null;
151 url = FileLocator.find(bundle, new Path(fileName), null);
152 }
153 return url;
154 }
155
156
165 public URL[] getURLs(String key) {
166 if (ini == null || bundle == null)
167 return null;
168
169 String value = ini.getProperty(key);
170 if (value == null)
171 return null;
172
173 StringTokenizer tokens = new StringTokenizer (value, ","); ArrayList array = new ArrayList (10);
175 while (tokens.hasMoreTokens()) {
176 String str = tokens.nextToken().trim();
177 array.add(FileLocator.find(bundle, new Path(str), null));
178 }
179
180 URL[] urls = new URL[array.size()];
181 array.toArray(urls);
182 return urls;
183 }
184
185
190 public String getFeaturePluginLabel() {
191 if (bundle == null)
192 return null;
193 return (String )bundle.getHeaders().get(Constants.BUNDLE_NAME);
194 }
195
196
201 public String getProviderName() {
202 if (bundle == null)
203 return null;
204 return (String )bundle.getHeaders().get(Constants.BUNDLE_VENDOR);
205 }
206
207
239 public String getResourceString(String value, Hashtable runtimeMappings) {
240
241 if (value == null)
242 return null;
243 String s = value.trim();
244
245 if (!s.startsWith(KEY_PREFIX))
246 return s;
247
248 if (s.startsWith(KEY_DOUBLE_PREFIX))
249 return s.substring(1);
250
251 int ix = s.indexOf(" "); String key = ix == -1 ? s : s.substring(0, ix);
253 String dflt = ix == -1 ? s : s.substring(ix + 1);
254
255 if (properties == null)
256 return dflt;
257
258 String result = null;
259 try {
260 result = properties.getString(key.substring(1));
261 } catch (MissingResourceException e) {
262 return dflt;
263 }
264 if (runtimeMappings != null) {
265 for (Enumeration e = runtimeMappings.keys(); e.hasMoreElements();) {
266 String keyValue = (String ) e.nextElement();
267 int i = result.indexOf(keyValue);
268 if (i != -1) {
269 String s1 = result.substring(0,i);
270 String s2 = (String ) runtimeMappings.get(keyValue);
271 String s3 = result.substring(i+keyValue.length());
272 result = s1 + s2 + s3;
273 }
274 }
275 }
276
277 if (result.indexOf('{') != -1) {
278 result = MessageFormat.format(result, mappings);
281 }
282
283 return result;
284 }
285
286
289 private IStatus load(URL iniURL, URL propertiesURL, URL mappingsURL) {
290
291 InputStream is = null;
292 try {
293 is = iniURL.openStream();
294 ini = new Properties ();
295 ini.load(is);
296 } catch (IOException e) {
297 ini = null;
298 String message = NLS.bind(Messages.IniFileReader_ReadIniError, (new String [] { iniURL.toExternalForm() }));
299 return new Status(IStatus.ERROR, PID, 0, message, e);
300 } finally {
301 try {
302 if (is != null)
303 is.close();
304 } catch (IOException e) {
305 }
306 }
307
308 if (propertiesURL != null) {
309 is = null;
310 try {
311 is = propertiesURL.openStream();
312 properties = new PropertyResourceBundle (is);
313 } catch (IOException e) {
314 properties = null;
315 String message = NLS.bind(Messages.IniFileReader_ReadPropError, (new String [] { propertiesURL.toExternalForm() }));
316 return new Status(IStatus.ERROR, PID, 0, message, e);
317 } finally {
318 try {
319 if (is != null)
320 is.close();
321 } catch (IOException e) {
322 }
323 }
324 }
325
326 PropertyResourceBundle bundle = null;
327 if (mappingsURL != null) {
328 is = null;
329 try {
330 is = mappingsURL.openStream();
331 bundle = new PropertyResourceBundle (is);
332 } catch (IOException e) {
333 bundle = null;
334 String message = NLS.bind(Messages.IniFileReader_ReadMapError, (new String [] { mappingsURL.toExternalForm() }));
335 return new Status(IStatus.ERROR, PID, 0, message, e);
336 } finally {
337 try {
338 if (is != null)
339 is.close();
340 } catch (IOException e) {
341 }
342 }
343 }
344
345 ArrayList mappingsList = new ArrayList ();
346 if (bundle != null) {
347 boolean found = true;
348 int i = 0;
349 while (found) {
350 try {
351 mappingsList.add(bundle.getString(Integer.toString(i)));
352 } catch (MissingResourceException e) {
353 found = false;
354 }
355 i++;
356 }
357 }
358 mappings = (String [])mappingsList.toArray(new String [mappingsList.size()]);
359
360 return OK_STATUS;
361 }
362 }
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