/**
* Gets the single instance of SecurityInfos.
*
* @param obj
* @return single instance of SecurityInfos
*/
public static SecurityInfos getInstance(Object obj) {
if (obj instanceof SecurityInfo) {
return (SecurityInfos) obj;
} else if (obj instanceof ASN1Set) {
return new SecurityInfos((ASN1Set) obj);
} else if (obj instanceof byte[]) {
return getInstance(new ByteArrayInputStream((byte[]) obj));
} else if (obj instanceof InputStream) {
try {
ASN1StreamParser sp = new ASN1StreamParser((InputStream) obj);
ASN1Encodable enc = sp.readObject();
return getInstance(enc.toASN1Primitive());
} catch (IOException e) {
LOG.error("Cannot parse SecurityInfos", e);
}
}
throw new IllegalArgumentException("Unknown object in factory: " + obj.getClass());
}
