src/main/java/org/fcrepo/mint/HttpPidMinter.java
protected HttpClient buildClient() {
        HttpClientBuilder builder = HttpClientBuilder.create().useSystemProperties().setConnectionManager(connManager);
        if (!isBlank(username) && !isBlank(password)) {
            final URI uri = URI.create(url);
            final CredentialsProvider credsProvider = new BasicCredentialsProvider();
            credsProvider.setCredentials(new AuthScope(uri.getHost(), uri.getPort()),
                new UsernamePasswordCredentials(username, password));
            builder = builder.setDefaultCredentialsProvider(credsProvider);
        }
        return builder.build();
    }
protected HttpClient buildClient() {
        HttpClientBuilder builder = HttpClientBuilder.create().useSystemProperties().setConnectionManager(connManager);
        if (!isBlank(username) && !isBlank(password)) {
            final URI uri = URI.create(url);
            final CredentialsProvider credsProvider = new BasicCredentialsProvider();
            credsProvider.setCredentials(new AuthScope(uri.getHost(), uri.getPort()),
                new UsernamePasswordCredentials(username, password));
            builder = builder.setDefaultCredentialsProvider(credsProvider);
        }
        return builder.build();
    }
Setup authentication in httpclient.
@return the setup of authentication