Trust self signed certificate in Spring Boot

Trust self signed ssl certificate in Spring Boot Rest Template

public RestTemplate getRestTemplateForSelfSsl() throws KeyStoreException, NoSuchAlgorithmException, KeyManagementException {
    TrustStrategy acceptingTrustStrategy = (X509Certificate[] x509Certificates, String s) - > true;
    SSLContext sslContext = org.apache.http.ssl.SSLContexts.custom().loadTrustMaterial(null, acceptingTrustStrategy).build();
    SSLConnectionSocketFactory csf = new SSLConnectionSocketFactory(sslContext, new NoopHostnameVerifier());
    CloseableHttpClient httpClient = HttpClients.custom().setSSLSocketFactory(csf).build();
    HttpComponentsClientHttpRequestFactory requestFactory = new HttpComponentsClientHttpRequestFactory();
    requestFactory.setHttpClient(httpClient);
    RestTemplate restTemplate = new RestTemplate(requestFactory);
    return restTemplate;
}

@ResponseBody
public String send(String url, HttpEntity entity, HttpMethod httpMethod) {
    String response;
    try {
        try {
            RestTemplate restTemplate;
            if (url.startsWith("https")) {
                restTemplate = getRestTemplateForSelfSsl();
            } else {
                restTemplate = new RestTemplate();
            }
            ResponseEntity < String > responseEntity = restTemplate.exchange(url, httpMethod, entity, String.class);
        } catch (HttpStatusCodeException ex) {
            log.error(ex);
        }
    } catch (Exception ex) {
        log.error(ex);
    }
    return response;
}