1
2
3
4
5
6
7
8
9
10
11
12
13
14
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.CategoryBag;
25 import org.apache.juddi.datatype.KeyedReference;
26 import org.apache.juddi.datatype.RegistryObject;
27 import org.apache.juddi.datatype.TModelBag;
28 import org.apache.juddi.datatype.request.FindBinding;
29 import org.apache.juddi.datatype.request.FindQualifier;
30 import org.apache.juddi.datatype.request.FindQualifiers;
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.UnsupportedException;
36 import org.apache.juddi.registry.RegistryEngine;
37 import org.apache.juddi.util.Config;
38
39 /***
40 * @author Steve Viens (sviens@apache.org)
41 * @author Anil Saldhana (anil@apache.org)
42 */
43 public class FindBindingFunction extends AbstractFunction
44 {
45
46 private static Log log = LogFactory.getLog(FindBindingFunction.class);
47
48 /***
49 *
50 */
51 public FindBindingFunction(RegistryEngine registry)
52 {
53 super(registry);
54 }
55
56 /***
57 *
58 */
59 public RegistryObject execute(RegistryObject regObject)
60 throws RegistryException
61 {
62
63 FindBinding request = (FindBinding)regObject;
64 String generic = request.getGeneric();
65 String serviceKey = request.getServiceKey();
66 CategoryBag categoryBag = request.getCategoryBag();
67 TModelBag tModelBag = request.getTModelBag();
68 FindQualifiers qualifiers = request.getFindQualifiers();
69 int maxRows = request.getMaxRows();
70
71
72
73
74 if(((serviceKey == null) || (serviceKey.length() == 0)) &&
75 ((categoryBag == null) || (categoryBag.size() == 0)) &&
76 ((tModelBag == null) || (tModelBag.size() == 0)))
77 {
78 BindingDetail detail = new BindingDetail();
79 detail.setGeneric(generic);
80 detail.setBindingTemplateVector(null);
81 detail.setOperator(Config.getOperator());
82 detail.setTruncated(false);
83 return detail;
84 }
85
86
87 if (categoryBag != null)
88 {
89 Vector keyedRefVector = categoryBag.getKeyedReferenceVector();
90 if (keyedRefVector != null)
91 {
92 int vectorSize = keyedRefVector.size();
93 if (vectorSize > 0)
94 {
95 for (int i=0; i<vectorSize; i++)
96 {
97 KeyedReference keyedRef = (KeyedReference)keyedRefVector.elementAt(i);
98 String key = keyedRef.getTModelKey();
99
100
101
102
103
104 if ((key == null) || (key.trim().length() == 0))
105 keyedRef.setTModelKey(TModel.GENERAL_KEYWORDS_TMODEL_KEY);
106 }
107 }
108 }
109 }
110
111
112 DataStore dataStore = DataStoreFactory.getDataStore();
113
114 try
115 {
116 dataStore.beginTrans();
117
118
119 if ((serviceKey == null) || (serviceKey.length() == 0))
120 throw new InvalidKeyPassedException("find_binding: "+
121 "serviceKey="+serviceKey);
122
123
124
125 if (qualifiers != null)
126 {
127 Vector qVector = qualifiers.getFindQualifierVector();
128 if ((qVector!=null) && (qVector.size() > 0))
129 {
130 for (int i=0; i<qVector.size(); i++)
131 {
132 FindQualifier qualifier = (FindQualifier)qVector.elementAt(i);
133 String qValue = qualifier.getValue();
134
135 if ((!qValue.equals(FindQualifier.EXACT_NAME_MATCH)) &&
136 (!qValue.equals(FindQualifier.CASE_SENSITIVE_MATCH)) &&
137 (!qValue.equals(FindQualifier.OR_ALL_KEYS)) &&
138 (!qValue.equals(FindQualifier.OR_LIKE_KEYS)) &&
139 (!qValue.equals(FindQualifier.AND_ALL_KEYS)) &&
140 (!qValue.equals(FindQualifier.SORT_BY_NAME_ASC)) &&
141 (!qValue.equals(FindQualifier.SORT_BY_NAME_DESC)) &&
142 (!qValue.equals(FindQualifier.SORT_BY_DATE_ASC)) &&
143 (!qValue.equals(FindQualifier.SORT_BY_DATE_DESC)) &&
144 (!qValue.equals(FindQualifier.SERVICE_SUBSET)) &&
145 (!qValue.equals(FindQualifier.COMBINE_CATEGORY_BAGS)))
146 throw new UnsupportedException("find_binding: "+
147 "findQualifier="+qValue);
148 }
149 }
150 }
151
152 Vector bindingVector = null;
153 boolean truncatedResults = false;
154
155
156 Vector keyVector = dataStore.findBinding(serviceKey,categoryBag,tModelBag,qualifiers);
157 if ((keyVector != null) && (keyVector.size() > 0))
158 {
159
160
161
162 int rowCount = keyVector.size();
163 if ((maxRows > 0) && (maxRows < rowCount))
164 {
165 rowCount = maxRows;
166 truncatedResults = true;
167 }
168
169
170
171 bindingVector = new Vector(rowCount);
172 for (int i=0; i<rowCount; i++)
173 bindingVector.addElement(dataStore.fetchBinding((String)keyVector.elementAt(i)));
174 }
175
176 dataStore.commit();
177
178
179
180 BindingDetail detail = new BindingDetail();
181 detail.setBindingTemplateVector(bindingVector);
182 detail.setGeneric(generic);
183 detail.setOperator(Config.getOperator());
184 detail.setTruncated(truncatedResults);
185 return detail;
186 }
187 catch(InvalidKeyPassedException keyex)
188 {
189 try { dataStore.rollback(); } catch(Exception e) { }
190 log.info(keyex.getMessage());
191 throw (RegistryException)keyex;
192 }
193 catch(UnsupportedException suppex)
194 {
195 try { dataStore.rollback(); } catch(Exception e) { }
196 log.info(suppex.getMessage());
197 throw (RegistryException)suppex;
198 }
199 catch(RegistryException regex)
200 {
201 try { dataStore.rollback(); } catch(Exception e) { }
202 log.error(regex);
203 throw (RegistryException)regex;
204 }
205 catch(Exception ex)
206 {
207 try { dataStore.rollback(); } catch(Exception e) { }
208 log.error(ex);
209 throw new RegistryException(ex);
210 }
211 finally
212 {
213 if (dataStore != null)
214 dataStore.release();
215 }
216 }
217
218
219 /****************************************************************************/
220 /****************************** TEST DRIVER *********************************/
221 /****************************************************************************/
222
223
224 public static void main(String[] args)
225 {
226
227 RegistryEngine reg = new RegistryEngine();
228 reg.init();
229
230 try
231 {
232 }
233 catch (Exception ex)
234 {
235
236 ex.printStackTrace();
237 }
238 finally
239 {
240
241 reg.dispose();
242 }
243 }
244 }