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19  
20  package org.apache.james.jdkim;
21  
22  import java.util.HashMap;
23  import java.util.LinkedList;
24  import java.util.List;
25  import java.util.Map;
26  
27  import org.apache.james.jdkim.api.PublicKeyRecordRetriever;
28  import org.apache.james.jdkim.exceptions.PermFailException;
29  import org.apache.james.jdkim.exceptions.TempFailException;
30  
31  /**
32   * This is a mock public key record retriever that store the "registry" in a
33   * local map.
34   */
35  public class MockPublicKeyRecordRetriever implements PublicKeyRecordRetriever {
36      private static final String _DOMAINKEY = "._domainkey.";
37      private Map/* String, List<String> */records = new HashMap();
38  
39      public void addRecord(String selector, String token, String record) {
40          String key = selector + _DOMAINKEY + token;
41          List l = (List) records.get(key);
42          if (l == null) {
43              l = new LinkedList();
44              records.put(key, l);
45          }
46          if (record != null) {
47              l.add(record);
48          }
49      }
50  
51      public MockPublicKeyRecordRetriever() {
52  
53      }
54  
55      public MockPublicKeyRecordRetriever(String record, CharSequence selector,
56              CharSequence token) {
57          addRecord(selector.toString(), token.toString(), record);
58      }
59  
60      public List getRecords(CharSequence methodAndOptions,
61              CharSequence selector, CharSequence token)
62              throws TempFailException, PermFailException {
63          if ("dns/txt".equals(methodAndOptions)) {
64              String search = selector + _DOMAINKEY + token;
65              List res = (List) records.get(search);
66              if (res == null || res.size() > 0)
67                  return res;
68              else
69                  throw new TempFailException("Timout or servfail");
70          } else
71              throw new PermFailException("Unsupported method");
72      }
73  }