@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);
}
@NotNull
@Override
public Iterable<Problem> getProblems() {
return Collections.<Problem>singleton(
new PersistenceProblem(
Kind.Load,
myCause == null ? "Couldn't read model." : myCause.getMessageEx(),
null,
true));
}