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1   /*
2    * Copyright 2006 Christian Kalkhoff <me@ninan.info>
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *         http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  
17  package net.sf.plausj.bank.german.strategy;
18  
19  import net.sf.plausj.bank.german.AccountCode;
20  import net.sf.plausj.bank.german.BankCode;
21  import net.sf.plausj.bank.german.CheckDigit;
22  
23  /**
24   * @author ninan
25   * 
26   */
27  public class Strategy97 implements Strategy {
28  
29  	/**
30  	 * @see net.sf.plausj.bank.german.strategy.Strategy#calculateCheckDigit(net.sf.plausj.bank.german.BankCode,
31  	 *      net.sf.plausj.bank.german.AccountCode)
32  	 */
33  	public CheckDigit calculateCheckDigit(final BankCode bankCode,
34  			final AccountCode accountCode) {
35  		
36  		long acl = accountCode.getAsLong() / 10;
37  		long quot = acl / 11;
38  		long prod = quot * 11;
39  		long rest = acl - prod;
40  		
41  		int cd = rest == 10l ? 0 : (int)rest;
42  		
43  		return new CheckDigit(9, cd);
44  		
45  	}
46  
47  }