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1   /*
2    * Copyright 2001-2004 The Apache Software Foundation.
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  package org.apache.juddi.function;
17  
18  import java.util.Vector;
19  
20  import org.apache.commons.logging.Log;
21  import org.apache.commons.logging.LogFactory;
22  import org.apache.juddi.datastore.DataStore;
23  import org.apache.juddi.datastore.DataStoreFactory;
24  import org.apache.juddi.datatype.RegistryObject;
25  import org.apache.juddi.datatype.request.GetServiceDetail;
26  import org.apache.juddi.datatype.response.ServiceDetail;
27  import org.apache.juddi.error.InvalidKeyPassedException;
28  import org.apache.juddi.error.RegistryException;
29  import org.apache.juddi.registry.RegistryEngine;
30  import org.apache.juddi.util.Config;
31  ;
32  
33  /***
34   * @author Steve Viens (sviens@apache.org)
35   */
36  public class GetServiceDetailFunction extends AbstractFunction
37  {
38    // private reference to jUDDI Logger
39    private static Log log = LogFactory.getLog(GetServiceDetailFunction.class);
40  
41    /***
42     *
43     */
44    public GetServiceDetailFunction(RegistryEngine registry)
45    {
46      super(registry);
47    }
48  
49    /***
50     *
51     */
52    public RegistryObject execute(RegistryObject regObject)
53      throws RegistryException
54    {
55      GetServiceDetail request = (GetServiceDetail)regObject;
56      String generic = request.getGeneric();
57      Vector keyVector = request.getServiceKeyVector();
58  
59      // aquire a jUDDI datastore instance
60      DataStore dataStore = DataStoreFactory.getDataStore();
61  
62      try
63      {
64        dataStore.beginTrans();
65  
66        for (int i=0; i<keyVector.size(); i++)
67        {
68          String serviceKey = (String)keyVector.elementAt(i);
69  
70          // If the a BusinessService doesn't exist hrow an InvalidKeyPassedException.
71          if ((serviceKey == null) || (serviceKey.length() == 0) ||
72              (!dataStore.isValidServiceKey(serviceKey)))
73            throw new InvalidKeyPassedException("get_serviceDetail: "+
74                "serviceKey="+serviceKey);
75        }
76  
77        Vector serviceVector = new Vector();
78  
79        for (int i=0; i<keyVector.size(); i++)
80        {
81          String serviceKey = (String)keyVector.elementAt(i);
82          serviceVector.add(dataStore.fetchService(serviceKey));
83        }
84  
85        dataStore.commit();
86  
87        // create a new ServiceDetail and stuff the new serviceVector into it.
88        ServiceDetail detail = new ServiceDetail();
89        detail.setGeneric(generic);
90        detail.setOperator(Config.getOperator());
91        detail.setBusinessServiceVector(serviceVector);
92        return detail;
93      }
94      catch(InvalidKeyPassedException keyex)
95      {
96        try { dataStore.rollback(); } catch(Exception e) { }
97        log.info(keyex.getMessage());
98        throw (RegistryException)keyex;
99      }
100     catch(RegistryException regex)
101     {
102       try { dataStore.rollback(); } catch(Exception e) { }
103       log.error(regex);
104       throw (RegistryException)regex;
105     }
106     catch(Exception ex)
107     {
108       try { dataStore.rollback(); } catch(Exception e) { }
109       log.error(ex);
110       throw new RegistryException(ex);
111     }
112     finally
113     {
114       if (dataStore != null)
115         dataStore.release();
116     }
117   }
118 
119 
120   /****************************************************************************/
121   /****************************** TEST DRIVER *********************************/
122   /****************************************************************************/
123 
124 
125   public static void main(String[] args)
126   {
127     // initialize the registry
128     RegistryEngine reg = new RegistryEngine();
129     reg.init();
130 
131     try
132     {
133     }
134     catch (Exception ex)
135     {
136       // write execption to the console
137       ex.printStackTrace();
138     }
139     finally
140     {
141       // destroy the registry
142       reg.dispose();
143     }
144   }
145 }
146