class InstanceAWSProvider implements InstanceProvider {

    boolean validateAWSInstanceId(final String reqInstanceId, final String docInstanceId,
            StringBuilder errMsg) {
        
        if (!reqInstanceId.equalsIgnoreCase(docInstanceId)) {
            errMsg.append("mismatch between instance-id values: request: ").append(reqInstanceId)
                .append(" vs. instance document: ").append(docInstanceId);
            return false;
        }
        
        return true;
    }

}