@Override
public PackageSpec getPackageSpec(final String name) throws IOException {
final PackageSpec spec = new PackageSpec();
final Manifest manifest = getManifest();
if (manifest == null) {
return spec;
}
final Attributes mainAttribute = manifest.getMainAttributes();
final Attributes entryAttribute = manifest.getAttributes(name);
spec.setSpecTitle(
getDefinedAttribute(Attributes.Name.SPECIFICATION_TITLE, entryAttribute, mainAttribute));
spec.setSpecVersion(
getDefinedAttribute(Attributes.Name.SPECIFICATION_VERSION, entryAttribute, mainAttribute));
spec.setSpecVendor(
getDefinedAttribute(Attributes.Name.SPECIFICATION_VENDOR, entryAttribute, mainAttribute));
spec.setImplTitle(
getDefinedAttribute(Attributes.Name.IMPLEMENTATION_TITLE, entryAttribute, mainAttribute));
spec.setImplVersion(
getDefinedAttribute(Attributes.Name.IMPLEMENTATION_VERSION, entryAttribute, mainAttribute));
spec.setImplVendor(
getDefinedAttribute(Attributes.Name.IMPLEMENTATION_VENDOR, entryAttribute, mainAttribute));
return spec;
}