/**
* Return the revision number of this SDK, or {@code "0"} if the revision number cannot be
* discovered.
*
* @return the revision number of this SDK
*/
@Override
public String getSdkVersion() {
synchronized (this) {
if (sdkVersion == null) {
sdkVersion = DEFAULT_VERSION;
File revisionFile = new File(sdkDirectory, VERSION_FILE_NAME);
try {
String revision = FileUtilities.getContents(revisionFile);
if (revision != null) {
sdkVersion = revision.trim();
}
} catch (IOException exception) {
// Fall through to return the default.
}
}
}
return sdkVersion;
}
/**
* Read all of the configuration files to initialize the library maps.
*
* @param useDart2jsPaths {@code true} if the dart2js path should be used when it is available
* @return the initialized library map
*/
protected LibraryMap initialLibraryMap(boolean useDart2jsPaths) {
File librariesFile =
new File(
new File(
new File(new File(getLibraryDirectory(), INTERNAL_DIR), SDK_LIB_METADATA_DIR),
SDK_LIB_METADATA_LIB_DIR),
LIBRARIES_FILE);
if (!librariesFile.exists()) {
// Fall back to pre SDK reorg location.
librariesFile = getLegacyLibrariesFile();
}
try {
String contents = FileUtilities.getContents(librariesFile);
return new SdkLibrariesReader(useDart2jsPaths).readFromFile(librariesFile, contents);
} catch (Exception exception) {
AnalysisEngine.getInstance()
.getLogger()
.logError(
"Could not initialize the library map from " + librariesFile.getAbsolutePath(),
exception);
return new LibraryMap();
}
}