http://www.bouncycastle.org/java.html: The Bouncy Castle Java APIs for CMS, PKCS, EAC, TSP, CMP, CRMF, OCSP, and certificate generation. This jar contains APIs for JDK 1.5 to JDK 1.8. The APIs can be used in conjunction with a JCE/JCA provider such as the one provided with the Bouncy Castle Cryptography APIs.
  • The Legion of the Bouncy Castle Inc. 
package org.bouncycastle.cert.dane;


Factories for DANEEntryFetcher objects should implement this.


Note: the fetcher should be able to manage both requests of the form

    fetcher.build("test.org");


and

    91d23d115b68072e7a38afeb7e295bd6392a19f25f8328b4ecae4778._smimecert.test.org


In the case of the later ideally just returning a list containing the single entry.

/**
 * Factories for DANEEntryFetcher objects should implement this.
 * <p>
 * Note: the fetcher should be able to manage both requests of the form
 * <pre>
 *     fetcher.build("test.org");
 * </pre>
 * and
 * <pre>
 *     91d23d115b68072e7a38afeb7e295bd6392a19f25f8328b4ecae4778._smimecert.test.org
 * </pre>
 * In the case of the later ideally just returning a list containing the single entry.
 */
public interface DANEEntryFetcherFactory
{
    
Build an entry fetcher for the specified domain name.

Params:
  • domainName – the domain name of interest.
Returns:a resolver for fetching entry's associated with domainName.
/**
     * Build an entry fetcher for the specified domain name.
     *
     * @param domainName the domain name of interest.
     * @return a resolver for fetching entry's associated with domainName.
     */
    DANEEntryFetcher build(String domainName);
}