@NotNull
@Override
public SModel load(@NotNull DataSource dataSource, @NotNull Map<String, String> options)
throws IOException {
if (!(dataSource instanceof StreamDataSource)) {
throw new UnsupportedDataSourceException(dataSource);
}
StreamDataSource source = (StreamDataSource) dataSource;
SModelHeader binaryModelHeader;
try {
binaryModelHeader = BinaryPersistence.readHeader(source);
} catch (ModelReadException e) {
if (e.getCause() instanceof IOException) {
throw (IOException) e.getCause();
}
throw new IOException(e.getMessageEx(), e);
}
if (Boolean.parseBoolean(options.get(MetaModelInfoProvider.OPTION_KEEP_READ_METAINFO))) {
binaryModelHeader.setMetaInfoProvider(
new StuffedMetaModelInfo(
new RegularMetaModelInfo(binaryModelHeader.getModelReference())));
}
return new DefaultSModelDescriptor(new PersistenceFacility(this, source), binaryModelHeader);
}
public static Map<String, String> getDigestMap(@NotNull StreamDataSource source) {
try {
SModelHeader binaryModelHeader = BinaryPersistence.readHeader(source);
binaryModelHeader.setMetaInfoProvider(
new StuffedMetaModelInfo(
new RegularMetaModelInfo(binaryModelHeader.getModelReference())));
final ModelLoadResult loadedModel =
BinaryPersistence.readModel(binaryModelHeader, source, false);
Map<String, String> result =
BinaryPersistence.getDigestMap(
loadedModel.getModel(), binaryModelHeader.getMetaInfoProvider());
result.put(GeneratableSModel.FILE, ModelDigestUtil.hashBytes(source.openInputStream()));
return result;
} catch (ModelReadException ignored) {
/* ignore */
} catch (IOException e) {
/* ignore */
}
return null;
}
