src/main/java/org/jivesoftware/whack/ExternalComponentManager.java
public String getSecretKey(String subdomain) {
        // Find the proper secret key to connect as the subdomain.
        String secretKey = secretKeys.get(subdomain);
        if (secretKey == null) {
            secretKey = defaultSecretKey;
        }
        return secretKey;
    }
public String getSecretKey(String subdomain) {
        // Find the proper secret key to connect as the subdomain.
        String secretKey = secretKeys.get(subdomain);
        if (secretKey == null) {
            secretKey = defaultSecretKey;
        }
        return secretKey;
    }
Returns the secret key for a sub-domain. If no key was found then the
default secret key will be returned.

@param subdomain
the subdomain to return its secret key.
@return the secret key for a sub-domain.