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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.GetBindingDetail;
26  import org.apache.juddi.datatype.response.BindingDetail;
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   * @author Steve Viens (sviens@apache.org)
34   */
35  public class GetBindingDetailFunction extends AbstractFunction
36  {
37    // private reference to jUDDI Logger
38    private static Log log = LogFactory.getLog(GetBindingDetailFunction.class);
39  
40    /***
41     *
42     */
43    public GetBindingDetailFunction(RegistryEngine registry)
44    {
45      super(registry);
46    }
47  
48    /***
49     *
50     */
51    public RegistryObject execute(RegistryObject regObject)
52      throws RegistryException
53    {
54      GetBindingDetail request = (GetBindingDetail)regObject;
55      String generic = request.getGeneric();
56      Vector keyVector = request.getBindingKeyVector();
57  
58      // aquire a jUDDI datastore instance
59      DataStore dataStore = DataStoreFactory.getDataStore();
60  
61      try
62      {
63        dataStore.beginTrans();
64  
65        for (int i=0; i<keyVector.size(); i++)
66        {
67          // grab the next key from the vector
68          String bindingKey = (String)keyVector.elementAt(i);
69  
70          // check that this binding template really exists.
71          // If not then throw an InvalidKeyPassedException.
72          if ((bindingKey == null) || (bindingKey.length() == 0) ||
73              (!dataStore.isValidBindingKey(bindingKey)))
74            throw new InvalidKeyPassedException("get_bindingDetail: "+
75                "bindingKey="+bindingKey);
76        }
77  
78        Vector bindingVector = new Vector();
79  
80        for (int i=0; i<keyVector.size(); i++)
81        {
82          String key = (String)keyVector.elementAt(i);
83          bindingVector.add(dataStore.fetchBinding(key));
84        }
85  
86        dataStore.commit();
87  
88        // create a new BindingDetail and stuff the new bindingVector into it.
89        BindingDetail detail = new BindingDetail();
90        detail.setGeneric(generic);
91        detail.setBindingTemplateVector(bindingVector);
92        detail.setOperator(Config.getOperator());
93        return detail;
94      }
95      catch(InvalidKeyPassedException keyex)
96      {
97        try { dataStore.rollback(); } catch(Exception e) { }
98        log.info(keyex.getMessage());
99        throw (RegistryException)keyex;
100     }
101     catch(RegistryException regex)
102     {
103       try { dataStore.rollback(); } catch(Exception e) { }
104       log.error(regex);
105       throw (RegistryException)regex;
106     }
107     catch(Exception ex)
108     {
109       try { dataStore.rollback(); } catch(Exception e) { }
110       log.error(ex);
111       throw new RegistryException(ex);
112     }
113     finally
114     {
115       if (dataStore != null)
116         dataStore.release();
117     }
118   }
119 
120 
121   /****************************************************************************/
122   /****************************** TEST DRIVER *********************************/
123   /****************************************************************************/
124 
125 
126   public static void main(String[] args)
127   {
128     // initialize the registry
129     RegistryEngine reg = new RegistryEngine();
130     reg.init();
131 
132     try
133     {
134     }
135     catch (Exception ex)
136     {
137       // write execption to the console
138       ex.printStackTrace();
139     }
140     finally
141     {
142       // destroy the registry
143       reg.dispose();
144     }
145   }
146 }