private void applySslSettings()

in mlserver-java-clients/RemoteExecutionApp/java-client/src/main/java/io/swagger/client/ApiClient.java [1299:1347]
48 lines of code
8 McCabe index (conditional complexity)

    private void applySslSettings() {
        try {
            TrustManager[] trustManagers = null;
            HostnameVerifier hostnameVerifier = null;
            if (!verifyingSsl) {
                TrustManager trustAll = new X509TrustManager() {
                    @Override
                    public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException {}
                    @Override
                    public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException {}
                    @Override
                    public X509Certificate[] getAcceptedIssuers() { return null; }
                };
                SSLContext sslContext = SSLContext.getInstance("TLS");
                trustManagers = new TrustManager[]{ trustAll };
                hostnameVerifier = new HostnameVerifier() {
                    @Override
                    public boolean verify(String hostname, SSLSession session) { return true; }
                };
            } else if (sslCaCert != null) {
                char[] password = null; // Any password will work.
                CertificateFactory certificateFactory = CertificateFactory.getInstance("X.509");
                Collection<? extends Certificate> certificates = certificateFactory.generateCertificates(sslCaCert);
                if (certificates.isEmpty()) {
                    throw new IllegalArgumentException("expected non-empty set of trusted certificates");
                }
                KeyStore caKeyStore = newEmptyKeyStore(password);
                int index = 0;
                for (Certificate certificate : certificates) {
                    String certificateAlias = "ca" + Integer.toString(index++);
                    caKeyStore.setCertificateEntry(certificateAlias, certificate);
                }
                TrustManagerFactory trustManagerFactory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
                trustManagerFactory.init(caKeyStore);
                trustManagers = trustManagerFactory.getTrustManagers();
            }

            if (keyManagers != null || trustManagers != null) {
                SSLContext sslContext = SSLContext.getInstance("TLS");
                sslContext.init(keyManagers, trustManagers, new SecureRandom());
                httpClient.setSslSocketFactory(sslContext.getSocketFactory());
            } else {
                httpClient.setSslSocketFactory(null);
            }
            httpClient.setHostnameVerifier(hostnameVerifier);
        } catch (GeneralSecurityException e) {
            throw new RuntimeException(e);
        }
    }