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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.publisher.Publisher;
26  import org.apache.juddi.datatype.request.AuthInfo;
27  import org.apache.juddi.datatype.request.DeleteTModel;
28  import org.apache.juddi.datatype.response.DispositionReport;
29  import org.apache.juddi.datatype.response.Result;
30  import org.apache.juddi.error.InvalidKeyPassedException;
31  import org.apache.juddi.error.RegistryException;
32  import org.apache.juddi.error.UserMismatchException;
33  import org.apache.juddi.registry.RegistryEngine;
34  import org.apache.juddi.util.Config;
35  
36  /***
37   * @author Steve Viens (sviens@apache.org)
38   */
39  public class DeleteTModelFunction extends AbstractFunction
40  {
41    // private reference to jUDDI Logger
42    private static Log log = LogFactory.getLog(DeleteTModelFunction.class);
43  
44    /***
45     *
46     */
47    public DeleteTModelFunction(RegistryEngine registry)
48    {
49      super(registry);
50    }
51  
52    /***
53     *
54     */
55    public RegistryObject execute(RegistryObject regObject)
56      throws RegistryException
57    {
58      // extract individual parameters
59      DeleteTModel request = (DeleteTModel)regObject;
60      String generic = request.getGeneric();
61      AuthInfo authInfo = request.getAuthInfo();
62      Vector tModelKeyVector = request.getTModelKeyVector();
63  
64      // aquire a jUDDI datastore instance
65      DataStore dataStore = DataStoreFactory.getDataStore();
66  
67      try
68      {
69        dataStore.beginTrans();
70  
71        // validate authentication parameters
72        Publisher publisher = getPublisher(authInfo,dataStore);
73        String publisherID = publisher.getPublisherID();
74  
75        // validate request parameters
76        for (int i=0; i<tModelKeyVector.size(); i++)
77        {
78          // grab the next key from the vector
79          String tModelKey = (String)tModelKeyVector.elementAt(i);
80  
81          // check that this TModel really exists. If not
82          // then throw an InvalidKeyPassedException.
83          if ((tModelKey == null) || (tModelKey.length() == 0) ||
84              (!dataStore.isValidTModelKey(tModelKey)))
85            throw new InvalidKeyPassedException("delete_tModel: "+
86                "tModelKey="+tModelKey);
87  
88          // check to make sure that 'authorizedName' controls this
89          // TModel. If not then throw a UserMismatchException.
90          if (!dataStore.isTModelPublisher(tModelKey,publisherID))
91            throw new UserMismatchException("delete_tModel: "+
92                "userID="+publisherID+", "+
93                "tModelKey="+tModelKey);
94  
95          // TModel exists and we control it so let's marke it as deleted.
96          dataStore.markTModelAsDeleted(tModelKey);
97        }
98  
99        // delete the TModels
100       for (int i=0; i<tModelKeyVector.size(); i++)
101       {
102         String tModelKey = (String)tModelKeyVector.elementAt(i);
103         dataStore.deleteTModel(tModelKey);
104 
105         log.info("Publisher '"+publisherID+"' deleted TModel with key: "+tModelKey);
106       }
107 
108       dataStore.commit();
109     }
110     catch(InvalidKeyPassedException keyex)
111     {
112       try { dataStore.rollback(); } catch(Exception e) { }
113       log.info(keyex.getMessage());
114       throw (RegistryException)keyex;
115     }
116     catch(UserMismatchException umex)
117     {
118       try { dataStore.rollback(); } catch(Exception e) { }
119       log.info(umex.getMessage());
120       throw (RegistryException)umex;
121     }
122     catch(RegistryException regex)
123     {
124       try { dataStore.rollback(); } catch(Exception e) { }
125       log.error(regex);
126       throw (RegistryException)regex;
127     }
128     catch(Exception ex)
129     {
130       try { dataStore.rollback(); } catch(Exception e) { }
131       log.error(ex);
132       throw new RegistryException(ex);
133     }
134     finally
135     {
136       if (dataStore != null)
137         dataStore.release();
138     }
139 
140     // We didn't encounter any problems so let's create an
141     // E_SUCCESS Result, embed it in a DispositionReport
142     // and return it.
143     Result result = new Result(Result.E_SUCCESS);
144     result.setErrCode(Result.lookupErrCode(Result.E_SUCCESS));    
145     DispositionReport dispRpt = new DispositionReport();
146     dispRpt.setGeneric(generic);
147     dispRpt.setOperator(Config.getOperator());
148     dispRpt.addResult(result);
149     
150     return dispRpt;
151   }
152 
153 
154   /****************************************************************************/
155   /****************************** TEST DRIVER *********************************/
156   /****************************************************************************/
157 
158 
159   public static void main(String[] args)
160   {
161     // initialize the registry
162     RegistryEngine reg = new RegistryEngine();
163     reg.init();
164 
165     try
166     {
167       // create a request
168       DeleteTModel request = new DeleteTModel();
169 
170       // invoke the server
171       DispositionReport response = (DispositionReport)(new DeleteTModelFunction(reg).execute(request));
172       System.out.println("errno: "+response.toString());
173     }
174     catch (Exception ex)
175     {
176       // write execption to the console
177       ex.printStackTrace();
178     }
179     finally
180     {
181       // destroy the registry
182       reg.dispose();
183     }
184   }
185 }