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1   /*
2    * The MIT License
3    *
4    * Original work sponsored and donated by National Board of e-Health (NSI), Denmark (http://www.nsi.dk)
5    *
6    * Copyright (C) 2011 National Board of e-Health (NSI), Denmark (http://www.nsi.dk)
7    *
8    * Permission is hereby granted, free of charge, to any person obtaining a copy of
9    * this software and associated documentation files (the "Software"), to deal in
10   * the Software without restriction, including without limitation the rights to
11   * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
12   * of the Software, and to permit persons to whom the Software is furnished to do
13   * so, subject to the following conditions:
14   *
15   * The above copyright notice and this permission notice shall be included in all
16   * copies or substantial portions of the Software.
17   *
18   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
21   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24   * SOFTWARE.
25   *
26   * $HeadURL$
27   * $Id$
28   */
29  package dk.sosi.seal.modelbuilders;
30  
31  import dk.sosi.seal.model.IdentityTokenResponse;
32  import dk.sosi.seal.model.SchemaUtil;
33  import org.w3c.dom.Document;
34  import org.xml.sax.SAXException;
35  
36  import javax.xml.transform.dom.DOMSource;
37  import javax.xml.validation.Schema;
38  import javax.xml.validation.Validator;
39  import java.io.IOException;
40  
41  /**
42   * Builder class used for deconstructing an Identity token response <code>Document</code>.<br />
43   * <br />
44   * All operations related to constructing, wrapping, etc. of the <code>IdentityToken</code> should be done through the <code>IDWSHFactory</code>.
45   * 
46   * @author ads
47   * @since 2.1
48   */
49  public class IdentityTokenResponseModelBuilder {
50  
51      private static Schema schema;
52  
53      /**
54       * Constructor for the <code>IdentityTokenResponseModelBuilder</code> class.
55       */
56      public IdentityTokenResponseModelBuilder() {
57          // Do nothing
58      }
59  
60      /**
61       * Construct an <code>IdentityTokenResponse</code> from the supplied <code>Document</code>.
62       * 
63       * @param doc
64       *            The <code>Document</code> to de-serialize into a <code>IdentityTokenResponse</code>.
65       * @return The constructed <code>IdentityTokenResponse</code> instance.
66       * @throws ModelBuildException
67       *             Thrown if the <code>Document</code> is invalid.
68       */
69      public IdentityTokenResponse build(Document doc) throws ModelBuildException {
70          validateSchema(doc);
71          return new IdentityTokenResponse(doc);
72      }
73  
74      private static synchronized Schema getSchema() throws SAXException {
75          if (schema == null) {
76              schema = SchemaUtil.loadSchema("/idwsh/idtresp/soap.xsd");
77          }
78          return schema;
79      }
80  
81      private void validateSchema(Document doc) {
82          try {
83              final Validator validator = getSchema().newValidator();
84              validator.validate(new DOMSource(doc));
85          } catch (SAXException e) {
86              throw new ModelBuildException("Error validating IdentityTokenResponse", e);
87          } catch (IOException e) {
88              throw new ModelBuildException("Error validating IdentityTokenResponse", e);
89          }
90      }
91  }