private void loadCredentials(
final IaasProvider iaas, final OMElement iaasElt, final String xpath) {
Iterator<?> it =
iaasElt.getChildrenWithName(new QName(CloudControllerConstants.CREDENTIAL_ELEMENT));
if (it.hasNext()) {
OMElement credentialElt = (OMElement) it.next();
// retrieve the value using secure vault
SecretResolver secretResolver = SecretResolverFactory.create(documentElement, false);
String alias =
credentialElt.getAttributeValue(new QName(CloudControllerConstants.ALIAS_ATTRIBUTE));
// retrieve the secured password
if (secretResolver != null
&& secretResolver.isInitialized()
&& secretResolver.isTokenProtected(alias)) {
iaas.setCredential(secretResolver.resolve(alias));
}
// if we still cannot find a value, we try to assign the value which
// is specified
// in the element, if any
if (iaas.getCredential() == null) {
log.warn(
"Unable to find a value for "
+ CloudControllerConstants.CREDENTIAL_ELEMENT
+ " element from Secure Vault."
+ "Hence we will try to assign the plain text value (if specified).");
iaas.setCredential(credentialElt.getText());
}
}
if (it.hasNext()) {
log.warn(
xmlSource
+ " contains more than one "
+ CloudControllerConstants.CREDENTIAL_ELEMENT
+ " elements!"
+ " Elements other than the first will be neglected.");
}
if (iaas.getCredential() == null) {
String msg =
"Essential '"
+ CloudControllerConstants.CREDENTIAL_ELEMENT
+ "' element"
+ " has not specified in "
+ xmlSource;
handleException(msg);
}
}
