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Library for checking that a password complies with a custom set of rules
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/*
$Id$
Copyright (C) 2003-2013 Virginia Tech.
All rights reserved.
SEE LICENSE FOR MORE INFORMATION
Author: Middleware Services
Email: [email protected]
Version: $Revision$
Updated: $Date$
*/
package edu.vt.middleware.password;
/**
* Rule for determining if a password contains the correct number of
* non-alphanumeric characters.
*
* @author Middleware Services
* @version $Revision: 1636 $ $Date: 2010-10-04 11:12:15 -0400 (Mon, 04 Oct 2010) $
*/
public class NonAlphanumericCharacterRule extends AbstractCharacterRule
{
/** Character type. */
private static final String CHARACTER_TYPE = "non-alphanumeric";
/** Default constructor. */
public NonAlphanumericCharacterRule() {}
/**
* Creates a new non alphanumeric character rule.
*
* @param num number of non-alphanumeric characters to enforce
*/
public NonAlphanumericCharacterRule(final int num)
{
setNumberOfCharacters(num);
}
/** {@inheritDoc} */
@Override
public String getValidCharacters()
{
return "`~!@#$%^&*()-_=+[{]}\\|;:'\"<,>./?";
}
/** {@inheritDoc} */
@Override
protected int getNumberOfCharacterType(final Password password)
{
return password.getNumberOfNonAlphanumeric();
}
/** {@inheritDoc} */
@Override
protected String getCharacterType()
{
return CHARACTER_TYPE;
}
}
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