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17 package org.apache.juddi.api.util;
18
19 import java.util.ArrayList;
20 import java.util.Hashtable;
21 import java.util.List;
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28 public enum SubscriptionQuery implements UDDIQuery {
29 DELETE_SUBSCRIPTION("delete_subscription"),
30 GET_SUBSCRIPTIONRESULTS("get_subscriptionResults"),
31 GET_SUBSCRIPTIONS("get_subscriptions"),
32 SAVE_SUBSCRIPTION("save_subscription");
33
34 private String _query;
35 private static Hashtable<String, SubscriptionQuery> _subscriptionQueries = null;
36
37 SubscriptionQuery(final String query) {
38 _query = query;
39 }
40
41 public String getQuery() {
42 return _query;
43 }
44
45 public synchronized static void initSubscriptionQueries () {
46 if (_subscriptionQueries == null) {
47 _subscriptionQueries = new Hashtable();
48
49 _subscriptionQueries.put(SubscriptionQuery.DELETE_SUBSCRIPTION.getQuery(), SubscriptionQuery.DELETE_SUBSCRIPTION);
50 _subscriptionQueries.put(SubscriptionQuery.GET_SUBSCRIPTIONRESULTS.getQuery(), SubscriptionQuery.GET_SUBSCRIPTIONRESULTS);
51 _subscriptionQueries.put(SubscriptionQuery.GET_SUBSCRIPTIONS.getQuery(), SubscriptionQuery.GET_SUBSCRIPTIONS);
52 _subscriptionQueries.put(SubscriptionQuery.SAVE_SUBSCRIPTION.getQuery(), SubscriptionQuery.SAVE_SUBSCRIPTION);
53 }
54 }
55
56 public static List<String> getQueries() {
57 if (_subscriptionQueries == null) {
58 initSubscriptionQueries();
59 }
60
61 List list = new ArrayList<String>(_subscriptionQueries.keySet());
62 return list;
63 }
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71 public static SubscriptionQuery fromQuery(final String query) {
72 if (_subscriptionQueries == null) {
73 initSubscriptionQueries();
74 }
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76 if (_subscriptionQueries.contains(query)) {
77 return _subscriptionQueries.get(query);
78 } else {
79 throw new IllegalArgumentException("Unrecognized query " + query);
80 }
81 }
82 }