/** Ask for security credentials. */
private CredentialsConfigurator supplyCredentials(
Application application, ProxyClient proxyClient) {
String displayName =
application.getStorage().getCustomProperty(DataSourceDescriptor.PROPERTY_NAME);
if (displayName == null) displayName = proxyClient.getUrl().toString();
CredentialsConfigurator jsc = CredentialsConfigurator.supplyCredentials(displayName);
if (jsc != null) proxyClient.setCredentials(jsc.getUsername(), jsc.getPassword());
return jsc;
}
