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Java > Open Source Codes > org > apache > juddi > function > SaveBindingFunction


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 JavaDoc;
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.CategoryBag;
25 import org.apache.juddi.datatype.KeyedReference;
26 import org.apache.juddi.datatype.RegistryObject;
27 import org.apache.juddi.datatype.binding.BindingTemplate;
28 import org.apache.juddi.datatype.publisher.Publisher;
29 import org.apache.juddi.datatype.request.AuthInfo;
30 import org.apache.juddi.datatype.request.SaveBinding;
31 import org.apache.juddi.datatype.response.BindingDetail;
32 import org.apache.juddi.datatype.tmodel.TModel;
33 import org.apache.juddi.error.InvalidKeyPassedException;
34 import org.apache.juddi.error.RegistryException;
35 import org.apache.juddi.error.UserMismatchException;
36 import org.apache.juddi.registry.RegistryEngine;
37 import org.apache.juddi.util.Config;
38 import org.apache.juddi.uuidgen.UUIDGen;
39 import org.apache.juddi.uuidgen.UUIDGenFactory;
40
41 /**
42  * @author Steve Viens (sviens@apache.org)
43  */
44 public class SaveBindingFunction extends AbstractFunction
45 {
46   // private reference to jUDDI Logger
47 private static Log log = LogFactory.getLog(SaveBindingFunction.class);
48
49   /**
50    *
51    */
52   public SaveBindingFunction(RegistryEngine registry)
53   {
54     super(registry);
55   }
56
57   /**
58    *
59    */
60   public RegistryObject execute(RegistryObject regObject)
61     throws RegistryException
62   {
63     SaveBinding request = (SaveBinding)regObject;
64     String JavaDoc generic = request.getGeneric();
65     AuthInfo authInfo = request.getAuthInfo();
66     Vector JavaDoc bindingVector = request.getBindingTemplateVector();
67     UUIDGen uuidgen = UUIDGenFactory.getUUIDGen();
68
69     // Aquire a jUDDI datastore instance
70 DataStore dataStore = DataStoreFactory.getDataStore();
71
72     try
73     {
74       dataStore.beginTrans();
75
76       // Validate authentication parameters
77 Publisher publisher = getPublisher(authInfo,dataStore);
78       String JavaDoc publisherID = publisher.getPublisherID();
79
80       // Validate request parameters
81 for (int i=0; i<bindingVector.size(); i++)
82       {
83         // Move the BindingTemplate into a form we can work with easily
84 BindingTemplate binding = (BindingTemplate)bindingVector.elementAt(i);
85         String JavaDoc serviceKey = binding.getServiceKey();
86         String JavaDoc bindingKey = binding.getBindingKey();
87
88         // Confirm that the 'BusinessService' that this binding belongs to
89 // really exists. If not then throw an InvalidKeyPassedException.
90 if ((serviceKey == null) || (serviceKey.length() == 0) || (!dataStore.isValidServiceKey(serviceKey)))
91           throw new InvalidKeyPassedException("save_binding: "+
92               "serviceKey="+serviceKey);
93
94         // Confirm that 'publisherID' controls the BusinessService that this
95 // binding template belongs to. If not then throw a UserMismatchException.
96 if (!dataStore.isServicePublisher(serviceKey,publisherID))
97           throw new UserMismatchException("save_binding: "+
98               "publisherID="+publisherID+", "+
99               "serviceKey="+serviceKey);
100
101         // If a BindingKey was specified then make sure it's a valid one.
102 if ((bindingKey != null) && (bindingKey.length() > 0) && (!dataStore.isValidBindingKey(bindingKey)))
103           throw new InvalidKeyPassedException("save_binding: "+
104               "bindingKey="+bindingKey);
105
106         // Normally, a valid tModelKey MUST be specified for the keyedReference
107 // to be valid. However, in the case of a keyedReference that is used in
108 // a categoryBag, the tModelKey may be omitted or specified as a
109 // zero-length string to indicate that the taxonomy being used is
110 // uddi-org:general_keywords. When it is omitted in this manner, the UDDI
111 // registry will insert the proper key during the save_xx operation.
112 // - UDDI Programmers API v2.04 Section 4.3.5.1 Specifying keyedReferences
113 //
114 CategoryBag categoryBag = binding.getCategoryBag();
115         if (categoryBag != null)
116         {
117           Vector JavaDoc keyedRefVector = categoryBag.getKeyedReferenceVector();
118           if (keyedRefVector != null)
119           {
120             int vectorSize = keyedRefVector.size();
121             if (vectorSize > 0)
122             {
123               for (int j=0; j<vectorSize; j++)
124               {
125                 KeyedReference keyedRef = (KeyedReference)keyedRefVector.elementAt(j);
126                 String JavaDoc key = keyedRef.getTModelKey();
127                 
128                 // A null or zero-length tModelKey is treated as
129 // though the tModelKey for uddiorg:general_keywords
130 // had been specified.
131 //
132 if ((key == null) || (key.trim().length() == 0))
133                   keyedRef.setTModelKey(TModel.GENERAL_KEYWORDS_TMODEL_KEY);
134               }
135             }
136           }
137         }
138       }
139
140       for (int i=0; i<bindingVector.size(); i++)
141       {
142         // move the BindingTemplate data into a form we can work with easily
143 BindingTemplate binding = (BindingTemplate)bindingVector.elementAt(i);
144         String JavaDoc bindingKey = binding.getBindingKey();
145
146         // If the new BindingTemplate has a BindingKey then it must already
147 // exists so delete the old one. It a BindingKey isn't specified then
148 // this is a new BindingTemplate so create a new BindingKey for it.
149 if ((bindingKey != null) && (bindingKey.length() > 0))
150           dataStore.deleteBinding(bindingKey);
151         else
152           binding.setBindingKey(uuidgen.uuidgen());
153
154         // everything checks out so let's save it.
155 dataStore.saveBinding(binding);
156       }
157
158       dataStore.commit();
159
160       BindingDetail detail = new BindingDetail();
161       detail.setGeneric(generic);
162       detail.setOperator(Config.getOperator());
163       detail.setTruncated(false);
164       detail.setBindingTemplateVector(bindingVector);
165       return detail;
166     }
167     catch(InvalidKeyPassedException ikpex)
168     {
169       try { dataStore.rollback(); } catch(Exception JavaDoc e) { }
170       log.info(ikpex);
171       throw (RegistryException)ikpex;
172     }
173     catch(UserMismatchException umex)
174     {
175       try { dataStore.rollback(); } catch(Exception JavaDoc e) { }
176       log.info(umex);
177       throw (RegistryException)umex;
178     }
179     catch(RegistryException regex)
180     {
181       try { dataStore.rollback(); } catch(Exception JavaDoc e) { }
182       log.error(regex);
183       throw (RegistryException)regex;
184     }
185     catch(Exception JavaDoc ex)
186     {
187       try { dataStore.rollback(); } catch(Exception JavaDoc e) { }
188       log.error(ex);
189       throw new RegistryException(ex);
190     }
191     finally
192     {
193       if (dataStore != null)
194         dataStore.release();
195     }
196   }
197
198
199   /***************************************************************************/
200   /***************************** TEST DRIVER *********************************/
201   /***************************************************************************/
202
203
204   public static void main(String JavaDoc[] args)
205   {
206     // initialize the registry
207 RegistryEngine reg = new RegistryEngine();
208     reg.init();
209
210     try
211     {
212     }
213     catch (Exception JavaDoc ex)
214     {
215       // write execption to the console
216 ex.printStackTrace();
217     }
218     finally
219     {
220       // destroy the registry
221 reg.dispose();
222     }
223   }
224 }
225
226
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