InquiryService


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.registry;
17  
18  import java.util.TreeSet  ;
19  
20  import javax.servlet.ServletConfig  ;
21  import javax.servlet.ServletException  ;
22  
23  import org.apache.commons.logging.Log;
24  import org.apache.commons.logging.LogFactory;
25  import org.apache.juddi.IRegistry;
26  import org.apache.juddi.error.FatalErrorException;
27  import org.apache.juddi.error.RegistryException;
28  import org.apache.juddi.error.UnsupportedException;
29  import org.w3c.dom.Element  ;
30  
31  /**
32   * @author Steve Viens (sviens@apache.org)
33   */
34  public class InquiryService extends AbstractService
35  {
36    // private reference to the webapp's logger.
37    private static Log log = LogFactory.getLog(InquiryService.class);
38    
39    // collection of valid operations
40    private TreeSet   operations = null;
41  
42    public void init(ServletConfig   config) 
43      throws ServletException  
44      {
45      super.init(config); 
46      
47      operations = new TreeSet  ();
48      operations.add("find_business");
49      operations.add("find_service");
50      operations.add("find_binding");
51      operations.add("find_tmodel");
52      operations.add("find_relatedbusinesses");
53      operations.add("get_businessdetail");
54      operations.add("get_businessdetailext");
55      operations.add("get_servicedetail");
56      operations.add("get_bindingdetail");
57      operations.add("get_tmodeldetail");
58      }
59  
60    public void validateRequest(String   operation,String   version,Element   uddiReq)
61          throws RegistryException
62      {
63      // If the value 
64      // specified is not "2.0" then throw an exception (this 
65      // value must be specified for all UDDI requests and 
66      // only version 2.0 UDDI requests are supported by 
67      // this endpoint).
68  
69      if (version == null)
70        throw new FatalErrorException("A UDDI generic attribute " +
71          "value was not found for UDDI request: "+operation+" (The " +
72          "'generic' attribute must be present)");
73      else if (!version.equals(IRegistry.UDDI_V2_GENERIC))
74        throw new UnsupportedException("Only UDDI v2 " +
75          "requests are currently supported. The generic attribute value " +
76          "received was: "+version);
77  
78      if ((operation == null) || (operation.trim().length() == 0))
79        throw new FatalErrorException("The UDDI service operation " +
80          "could not be identified.");
81      else if (!operations.contains(operation.toLowerCase()))
82          throw new UnsupportedException("The operation "+operation+" is not " +
83                  "supported by the UDDI version 2 Inquiry API.");
84      }
85  }
86
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