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1   /*
2    * Copyright [2007] [University Corporation for Advanced Internet Development, Inc.]
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  
17  package edu.internet2.middleware.shibboleth.common.config.attribute.encoding;
18  
19  import javax.xml.namespace.QName;
20  
21  import org.opensaml.xml.util.DatatypeHelper;
22  import org.springframework.beans.factory.BeanCreationException;
23  import org.springframework.beans.factory.support.BeanDefinitionBuilder;
24  import org.springframework.beans.factory.xml.ParserContext;
25  import org.w3c.dom.Element;
26  
27  import edu.internet2.middleware.shibboleth.common.attribute.encoding.provider.SAML2Base64AttributeEncoder;
28  
29  /**
30   * Spring Bean Definition Parser for SAML2 string attribute encoder.
31   */
32  public class SAML2Base64AttributeEncoderBeanDefinitionParser extends BaseAttributeEncoderBeanDefinitionParser {
33  
34      /** Schema type name. */
35      public static final QName TYPE_NAME = new QName(AttributeEncoderNamespaceHandler.NAMESPACE, "SAML2Base64");
36  
37      /** Local name of name format attribute. */
38      public static final String NAME_FORMAT_ATTRIBUTE_NAME = "nameFormat";
39  
40      /** Local name of friendly name attribute. */
41      public static final String FRIENDLY_NAME_ATTRIBUTE_NAME = "friendlyName";
42  
43      /** {@inheritDoc} */
44      protected void doParse(Element element, ParserContext parserContext, BeanDefinitionBuilder builder) {
45          super.doParse(element, parserContext, builder);
46  
47          String namespace = "urn:oasis:names:tc:SAML:2.0:attrname-format:uri";
48          if (element.hasAttributeNS(null, "nameFormat")) {
49              namespace = DatatypeHelper.safeTrimOrNullString(element.getAttributeNS(null, "nameFormat"));
50          }
51          builder.addPropertyValue("nameFormat", namespace);
52          
53          builder.addPropertyValue("friendlyName", element.getAttribute(FRIENDLY_NAME_ATTRIBUTE_NAME));
54          
55          String attributeName = DatatypeHelper.safeTrimOrNullString(element.getAttributeNS(null, "name"));
56          if (attributeName == null) {
57              throw new BeanCreationException("SAML 2 attribute encoders must contain a name");
58          }
59      }
60  
61      /** {@inheritDoc} */
62      protected Class getBeanClass(Element element) {
63          return SAML2Base64AttributeEncoder.class;
64      }
65  
66  }