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1   /****************************************************************
2    * Licensed to the Apache Software Foundation (ASF) under one   *
3    * or more contributor license agreements.  See the NOTICE file *
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7    * "License"); you may not use this file except in compliance   *
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17   * under the License.                                           *
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19  
20  package org.apache.james.jspf.policies.local;
21  
22  import org.apache.james.jspf.core.SPF1Record;
23  import org.apache.james.jspf.core.SPF1Utils;
24  import org.apache.james.jspf.core.exceptions.NeutralException;
25  import org.apache.james.jspf.core.exceptions.NoneException;
26  import org.apache.james.jspf.core.exceptions.PermErrorException;
27  import org.apache.james.jspf.core.exceptions.TempErrorException;
28  import org.apache.james.jspf.policies.PolicyPostFilter;
29  
30  /**
31   * PolicyPostFilter which handles best guess. 
32   * See http://www.openspf.org/FAQ/Best_guess_record for more informations 
33   * 
34   *
35   */
36  public class BestGuessPolicy implements PolicyPostFilter {
37  
38      /**
39       * @see org.apache.james.jspf.policies.PolicyPostFilter#getSPFRecord(java.lang.String, org.apache.james.jspf.core.SPF1Record)
40       */
41      public SPF1Record getSPFRecord(String currentDomain, SPF1Record record)
42              throws PermErrorException, TempErrorException, NoneException,
43              NeutralException {
44          if (record == null) {
45              // We should use bestguess
46              return new SPF1Record(SPF1Utils.BEST_GUESS_RECORD);
47          } else {
48              return record;
49          }
50      }
51  }