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1   /* 
2    * Copyright (c) 2007, Fraunhofer-Gesellschaft
3    * All rights reserved.
4    * 
5    * Redistribution and use in source and binary forms, with or without
6    * modification, are permitted provided that the following conditions are
7    * met:
8    * 
9    * (1) Redistributions of source code must retain the above copyright
10   *     notice, this list of conditions and the disclaimer at the end.
11   *     Redistributions in binary form must reproduce the above copyright
12   *     notice, this list of conditions and the following disclaimer in
13   *     the documentation and/or other materials provided with the
14   *     distribution.
15   * 
16   * (2) Neither the name of Fraunhofer nor the names of its
17   *     contributors may be used to endorse or promote products derived
18   *     from this software without specific prior written permission.
19   * 
20   * DISCLAIMER
21   * 
22   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
25   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
26   * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
27   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
28   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
32   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33   *  
34   */
35  package org.ogf.graap.wsag.client.remote;
36  
37  import org.apache.muse.util.xml.XmlUtils;
38  import org.apache.muse.ws.addressing.soap.SoapFault;
39  import org.apache.muse.ws.resource.sg.WssgConstants;
40  import org.apache.xmlbeans.XmlException;
41  import org.apache.xmlbeans.XmlOptions;
42  import org.ogf.graap.wsag.api.client.AgreementClient;
43  import org.ogf.graap.wsag.api.client.AgreementRegistryService;
44  import org.ogf.graap.wsag.api.client.WsClient;
45  import org.ogf.graap.wsag.api.exceptions.ResourceUnavailableException;
46  import org.ogf.graap.wsag.api.exceptions.ResourceUnknownException;
47  import org.ogf.graap.wsag.api.security.ISecurityProperties;
48  import org.w3.x2005.x08.addressing.EndpointReferenceType;
49  import org.w3c.dom.Element;
50  
51  /**
52   * AgreementRegistryImpl
53   * 
54   * @author Oliver Waeldrich
55   * 
56   */
57  public class RemoteAgreementRegistryServiceImpl extends WsrfResourceClient
58      implements AgreementRegistryService
59  {
60  
61      /**
62       * Creates a new agreement factory registry client with the given endpoint using the provided security
63       * properties.
64       * 
65       * @param epr
66       *            the endpoint of the agreement registry service
67       * 
68       * @param securityProperties
69       *            the client security properties
70       */
71      public RemoteAgreementRegistryServiceImpl( EndpointReferenceType epr,
72                                                 ISecurityProperties securityProperties )
73      {
74          super( epr, securityProperties );
75      }
76  
77      /**
78       * {@inheritDoc}
79       */
80      public WsClient getWebServiceClient()
81      {
82          return this;
83      }
84  
85      /**
86       * {@inheritDoc}
87       * 
88       * @see org.ogf.graap.wsag.api.client.AgreementRegistryService#listAgreements()
89       */
90      public AgreementClient[] listAgreements() throws ResourceUnknownException, ResourceUnavailableException
91      {
92          try
93          {
94              Element[] entries = getResourceProperty( WssgConstants.ENTRY_QNAME );
95              AgreementClient[] agreements = new AgreementClient[entries.length];
96  
97              for ( int n = 0; n < entries.length; ++n )
98              {
99                  //
100                 // convert ws-sg entry XML -> EPRs -> clients
101                 //
102                 Element eprXML = XmlUtils.getElement( entries[n], WssgConstants.MEMBER_SERVICE_EPR_QNAME );
103 
104                 EndpointReferenceType dest =
105                     EndpointReferenceType.Factory.parse( eprXML,
106                                                          new XmlOptions().setLoadReplaceDocumentElement( null ) );
107 
108                 //
109                 // create a new agreement instance with the current properties
110                 //
111                 agreements[n] = new RemoteAgreementClientImpl( dest, getSecurityProperties().clone() );
112             }
113 
114             return agreements;
115         }
116         catch ( SoapFault e )
117         {
118             throw new ResourceUnavailableException( e );
119         }
120         catch ( XmlException e )
121         {
122             throw new ResourceUnavailableException( e );
123         }
124         catch ( Exception e )
125         {
126             throw new ResourceUnavailableException( e );
127         }
128     }
129 
130 }