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

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/*
  $Id: WhitespaceRule.java 2704 2013-04-24 21:30:32Z dfisher $

  Copyright (C) 2003-2013 Virginia Tech.
  All rights reserved.

  SEE LICENSE FOR MORE INFORMATION

  Author:  Middleware Services
  Email:   [email protected]
  Version: $Revision: 2704 $
  Updated: $Date: 2013-04-24 17:30:32 -0400 (Wed, 24 Apr 2013) $
*/
package edu.vt.middleware.password;

/**
 * Rule for determining if a password contains whitespace characters.
 *
 * @author  Middleware Services
 * @version  $Revision: 2704 $ $Date: 2013-04-24 17:30:32 -0400 (Wed, 24 Apr 2013) $
 */
public class WhitespaceRule implements Rule
{

  /** Error code for whitespace rule violation. */
  public static final String ERROR_CODE = "ILLEGAL_WHITESPACE";

  /** {@inheritDoc} */
  @Override
  public RuleResult validate(final PasswordData passwordData)
  {
    if (!passwordData.getPassword().containsWhitespace()) {
      return new RuleResult(true);
    } else {
      return new RuleResult(false, new RuleResultDetail(ERROR_CODE, null));
    }
  }
}