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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.DeletePublisher;
28  import org.apache.juddi.datatype.response.DispositionReport;
29  import org.apache.juddi.datatype.response.Result;
30  import org.apache.juddi.error.RegistryException;
31  import org.apache.juddi.registry.RegistryEngine;
32  import org.apache.juddi.util.Config;
33  
34  /***
35   * @author Steve Viens (sviens@apache.org)
36   */
37  public class DeletePublisherFunction extends AbstractFunction
38  {
39    // private reference to jUDDI Logger
40    private static Log log = LogFactory.getLog(DeletePublisherFunction.class);
41  
42    /***
43     *
44     */
45    public DeletePublisherFunction(RegistryEngine registry)
46    {
47      super(registry);
48    }
49  
50    /***
51     * Here are the rules:
52     *
53     * 1. A publisher must have administrative privs to
54     *    delete anything.
55     * 2. A publisher cannot delete itself.
56     */
57    public RegistryObject execute(RegistryObject regObject)
58      throws RegistryException
59    {
60      // extract individual parameters
61      DeletePublisher request = (DeletePublisher)regObject;
62      String generic = request.getGeneric();
63      AuthInfo authInfo = request.getAuthInfo();
64      Vector publisherIDVector = request.getPublisherIDVector();
65  
66      // aquire a jUDDI datastore instance
67      DataStore dataStore = DataStoreFactory.getDataStore();
68  
69      try
70      {
71        dataStore.beginTrans();
72  
73        // validate authentication parameters
74        Publisher publisher = getPublisher(authInfo,dataStore);
75        String publisherID = publisher.getPublisherID();
76  
77        // Only a user with administrative access can delete publishers
78        if (!dataStore.isAdministrator(publisherID))
79          throw new RegistryException("Invalid Operation, You must have " +
80            "administrative priveledges to delete a publisher account.");
81  
82        // validate request parameters
83        for (int i=0; i<publisherIDVector.size(); i++)
84        {
85          // grab the next key from the vector
86          String pubID = (String)publisherIDVector.elementAt(i);
87  
88          if (pubID.equalsIgnoreCase(publisherID))
89            throw new RegistryException("Invalid Operation, A publisher " +
90              "cannot delete it's own publisher account.");
91  
92          // TModel exists and we control it so let's delete it.
93          dataStore.deletePublisher(pubID);
94        }
95  
96        // delete the TModels
97        for (int i=0; i<publisherIDVector.size(); i++)
98        {
99          String tModelKey = (String)publisherIDVector.elementAt(i);
100         dataStore.deleteTModel(tModelKey);
101 
102         log.info("Publisher '"+publisherID+"' deleted TModel with key: "+tModelKey);
103       }
104 
105       dataStore.commit();
106     }
107     catch(RegistryException regex)
108     {
109       try { dataStore.rollback(); } catch(Exception e) { }
110       log.error(regex);
111       throw (RegistryException)regex;
112     }
113     catch(Exception ex)
114     {
115       try { dataStore.rollback(); } catch(Exception e) { }
116       log.error(ex);
117       throw new RegistryException(ex);
118     }
119     finally
120     {
121       if (dataStore != null)
122         dataStore.release();
123     }
124 
125     // We didn't encounter any problems so let's create an
126     // E_SUCCESS Result, embed it in a DispositionReport
127     // and return it.
128     Result result = new Result(Result.E_SUCCESS);
129     result.setErrCode(Result.lookupErrCode(Result.E_SUCCESS));    
130     DispositionReport dispRpt = new DispositionReport();
131     dispRpt.setGeneric(generic);
132     dispRpt.setOperator(Config.getOperator());
133     dispRpt.addResult(result);
134     
135     return dispRpt;
136   }
137 
138 
139   /****************************************************************************/
140   /****************************** TEST DRIVER *********************************/
141   /****************************************************************************/
142 
143 
144   public static void main(String[] args)
145   {
146     // initialize the registry
147     RegistryEngine reg = new RegistryEngine();
148     reg.init();
149 
150     try
151     {
152     }
153     catch (Exception ex)
154     {
155       // write execption to the console
156       ex.printStackTrace();
157     }
158     finally
159     {
160       // destroy the registry
161       reg.dispose();
162     }
163   }
164 }