Helper class that returns encoded basic auth header

TestAuthentication.java

package tips.cloudnative.testauthentication;

import org.apache.commons.codec.binary.Base64;
import org.springframework.http.HttpHeaders;

public class TestAuthentication {
    public static HttpHeaders basicAuthHeaders() {
        String plainCreds = "user:password";
        byte[] plainCredsBytes = plainCreds.getBytes();
        byte[] base64CredsBytes = Base64.encodeBase64(plainCredsBytes);
        String base64Creds = new String(base64CredsBytes);

        HttpHeaders headers = new HttpHeaders();
        headers.add("Authorization", "Basic " + base64Creds);
        return headers;
    }
}