public String get(Object key) {
if (!(key instanceof String)) return null;
String sKey = (String) key;
if (Constants.EXPORT_PACKAGE.equalsIgnoreCase(sKey)
|| Constants.PROVIDE_CAPABILITY.equalsIgnoreCase(sKey)) {
String systemProvideHeader =
getEquinoxContainer()
.getConfiguration()
.getConfiguration(
EquinoxConfiguration.PROP_SYSTEM_PROVIDE_HEADER,
EquinoxConfiguration.SYSTEM_PROVIDE_HEADER_SYSTEM_EXTRA);
boolean useSystemExtra =
systemProvideHeader.equals(EquinoxConfiguration.SYSTEM_PROVIDE_HEADER_SYSTEM_EXTRA);
boolean useSystem =
systemProvideHeader.equals(EquinoxConfiguration.SYSTEM_PROVIDE_HEADER_SYSTEM)
|| useSystemExtra;
String systemProp =
useSystem
? (Constants.EXPORT_PACKAGE.equalsIgnoreCase(sKey)
? Constants.FRAMEWORK_SYSTEMPACKAGES
: Constants.FRAMEWORK_SYSTEMCAPABILITIES)
: null;
String systemExtraProp =
useSystemExtra
? (Constants.EXPORT_PACKAGE.equalsIgnoreCase(sKey)
? Constants.FRAMEWORK_SYSTEMPACKAGES_EXTRA
: Constants.FRAMEWORK_SYSTEMCAPABILITIES_EXTRA)
: null;
return getExtra(sKey, systemProp, systemExtraProp);
}
return headers.get(key);
}
private String getExtra(String header, String systemProp, String systemExtraProp) {
String systemValue =
systemProp != null
? getEquinoxContainer().getConfiguration().getConfiguration(systemProp)
: null;
String systemExtraValue =
systemExtraProp != null
? getEquinoxContainer().getConfiguration().getConfiguration(systemExtraProp)
: null;
if (systemValue == null) systemValue = systemExtraValue;
else if (systemExtraValue != null && systemExtraValue.trim().length() > 0)
systemValue += ", " + systemExtraValue; // $NON-NLS-1$
String result = headers.get(header);
if (systemValue != null && systemValue.trim().length() > 0) {
if (result != null) result += ", " + systemValue; // $NON-NLS-1$
else result = systemValue;
}
return result;
}
private BundleResourceBundle lookupResourceBundle(String localeString) {
// get the localization header as late as possible to avoid accessing the raw headers
// getting the first value from the raw headers forces the manifest to be parsed (bug 332039)
String localizationHeader = rawHeaders.get(Constants.BUNDLE_LOCALIZATION);
if (localizationHeader == null)
localizationHeader = Constants.BUNDLE_LOCALIZATION_DEFAULT_BASENAME;
BundleResourceBundle result = cache.get(localeString);
if (result != null) return result.isEmpty() ? null : result;
// Collect all the necessary inputstreams to create the resource bundle without
// holding any locks. Finding resources and inputstreams from the wirings requires a
// read lock on the module database. We must not hold the cache lock while doing this;
// otherwise out of order locks will be possible when the resolver needs to clear the cache
String[] nlVarients = buildNLVariants(localeString);
InputStream[] nlStreams = new InputStream[nlVarients.length];
for (int i = nlVarients.length - 1; i >= 0; i--) {
URL url =
findResource(
localizationHeader
+ (nlVarients[i].equals("") ? nlVarients[i] : '_' + nlVarients[i])
+ ".properties"); //$NON-NLS-1$ //$NON-NLS-2$
if (url != null) {
try {
nlStreams[i] = url.openStream();
} catch (IOException e) {
// ignore
}
}
}
synchronized (cache) {
BundleResourceBundle parent = null;
for (int i = nlVarients.length - 1; i >= 0; i--) {
BundleResourceBundle varientBundle = null;
InputStream varientStream = nlStreams[i];
if (varientStream == null) {
varientBundle = cache.get(nlVarients[i]);
} else {
try {
varientBundle = new LocalizationResourceBundle(varientStream);
} catch (IOException e) {
// ignore and continue
} finally {
if (varientStream != null) {
try {
varientStream.close();
} catch (IOException e3) {
// Ignore exception
}
}
}
}
if (varientBundle == null) {
varientBundle = new EmptyResouceBundle(nlVarients[i]);
}
if (parent != null) varientBundle.setParent((ResourceBundle) parent);
cache.put(nlVarients[i], varientBundle);
parent = varientBundle;
}
result = cache.get(localeString);
return result.isEmpty() ? null : result;
}
}