/* Copyright 2004 Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.jetspeed.security.spi.impl;
import org.apache.jetspeed.security.InvalidPasswordException;
import org.apache.jetspeed.security.SecurityException;
import org.apache.jetspeed.security.spi.CredentialPasswordValidator;
/**
* <p>
* SimpleCredentialPasswordValidator
* </p>
*
* @author <a href="mailto:ate@apache.org">Ate Douma</a>
* @version $Id: SimpleCredentialPasswordValidator.java 291016 2005-09-22 21:19:36Z ate $
*/
public class SimpleCredentialPasswordValidator implements CredentialPasswordValidator
{
private int minPasswordLength;
private int minNumberOfDigits;
/**
* @param minPasswordLength
* @param minNumberOfDigits
*/
public SimpleCredentialPasswordValidator(int minPasswordLength, int minNumberOfDigits)
{
this.minPasswordLength = minPasswordLength;
this.minNumberOfDigits = minNumberOfDigits;
}
/**
* @see org.apache.jetspeed.security.spi.CredentialPasswordValidator#validate(String)
*/
public void validate(String clearTextPassword) throws SecurityException
{
int digits = 0;
if ( clearTextPassword == null )
{
clearTextPassword = "";
}
char[] pwd = clearTextPassword.toCharArray();
if ( minPasswordLength > 0 && pwd.length < minPasswordLength )
{
throw new InvalidPasswordException();
}
if ( minNumberOfDigits > 0)
{
for ( int i = 0; i < pwd.length; i++ )
{
if (Character.isDigit(pwd[i]))
{
digits++;
}
}
if (digits < minNumberOfDigits)
{
throw new InvalidPasswordException();
}
}
}
}