public List<String> getCpsUrls() { List<String> result = new ArrayList<String>(); List<XmlCertificatePolicy> certificatePolicyIds = certificate.getCertificatePolicies(); if (Utils.isCollectionNotEmpty(certificatePolicyIds)) { for (XmlCertificatePolicy xmlCertificatePolicy : certificatePolicyIds) { if (Utils.isStringNotBlank(xmlCertificatePolicy.getCpsUrl())) { result.add(xmlCertificatePolicy.getCpsUrl()); } } } return result; }