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Library for checking that a password complies with a custom set of rules

There is a newer version: 1.6.6

/* See LICENSE for licensing and NOTICE for copyright. */
package org.passay;

/**
 * Interface for password strength rules.
 *
 * @author  Middleware Services
 */
public interface Rule
{


  /**
   * Validates the supplied password data per the requirements of this rule.
   *
   * @param  passwordData  to verify (not null).
   *
   * @return  details on password verification
   *
   * @throws  NullPointerException  if the rule data is null.
   */
  RuleResult validate(PasswordData passwordData);
}