Dropwizard JerseyClient loading JKS certificate into SSL TrustStore at runtime

SSLJerseyClient.java

private TrustManager[] loadTrustManagers(String certificateFile) throws KeyStoreException, CertificateException, NoSuchAlgorithmException, IOException {
    KeyStore trustedCertStore = KeyStore.getInstance(KeyStore.getDefaultType());
    trustedCertStore.load(SecurityModule.class.getClassLoader().getResourceAsStream(), null);
    
    TrustManagerFactory tmf = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
    tmf.init(trustedCertStore);
    
    return tmf.getTrustManagers();
}

private Registry<ConnectionSocketFactory> createSSLSocketRegistry(TrustManager[] trustManagers) throws NoSuchAlgorithmException, KeyManagementException { 
    final SSLContext ctx = SSLContext.getInstance(SSLConnectionSocketFactory.TLS);
    ctx.init(null, trustManagers, null);
    return RegistryBuilder.<ConnectionSocketFactory>create()
        .register("http", PlainConnectionSocketFactory.getSocketFactory())
        .register("https", new SSLConnectionSocketFactory(ctx))
                .build();
}

public JerseyClient createSSLJerseyClient (Environment environment, JerseyClientConfiguration clientConfiguration) throws Exception {
    final String CERT_FILE = "jssecacerts.jks";
    TrustManager[] trustManager = loadTrustManagers(CERT_FILE);
    Registry<ConnectionSocketFactory> = createSSLSocketRegistry(trustManager);
    
    return new JerseyClientBuilder(environment)
        .using(clientConfiguration)
        .using(sslSocketRegistry)
        .build("SSLJerseyClient");
}