private KeyDescriptor buildKeyDescriptor(String keyName, UsageType use, Object... contentItems) {
KeyDescriptor keyDesc = buildXMLObject(KeyDescriptor.DEFAULT_ELEMENT_NAME);
KeyInfo keyInfo = buildXMLObject(KeyInfo.DEFAULT_ELEMENT_NAME);
for (Object contentItem : contentItems) {
if (contentItem instanceof PublicKey) {
KeyInfoSupport.addPublicKey(keyInfo, (PublicKey) contentItem);
} else if (contentItem instanceof X509Certificate) {
try {
KeyInfoSupport.addCertificate(keyInfo, (X509Certificate) contentItem);
} catch (CertificateEncodingException e) {
throw new RuntimeException("CertificateEncodingException ading cert to KeyInfo", e);
}
} else {
throw new RuntimeException(
"Saw unknown KeyInfo content type: " + contentItem.getClass().getName());
}
}
if (keyName != null) {
KeyInfoSupport.addKeyName(keyInfo, keyName);
}
keyDesc.setKeyInfo(keyInfo);
if (use != null) {
keyDesc.setUse(use);
}
return keyDesc;
}
