com.clouway.oauth2.token.Tokens Maven / Gradle / Ivy

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package com.clouway.oauth2.token;

import com.google.common.base.Optional;

import java.util.Date;

/**
 * Tokens is responsible for issuing and retriving of issued tokens.
 *
 * @author Ivan Stefanov 
 */
public interface Tokens {

  /**
   * Find token which is not expired till the provided time.
   *
   * @param token then token for which is looked
   * @return an optional token value or absent value if not present
   */
  Optional getNotExpiredToken(String token, Date when);

  /**
   * Refreshes token using the access token.
   *
   * @param token the access token
   * @return the refreshed token
   */
  Optional refreshToken(String token, Date when);

  /**
   * Ussues a new token for the provided identity.
   * @param identityId the identityId for which token was issued
   * @param when the requested time on which it should be issued
   * @return
   */
  Token issueToken(String identityId, Date when);
}