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1   /*
2    * Licensed to the University Corporation for Advanced Internet Development, 
3    * Inc. (UCAID) under one or more contributor license agreements.  See the 
4    * NOTICE file distributed with this work for additional information regarding
5    * copyright ownership. The UCAID licenses this file to You under the Apache 
6    * License, Version 2.0 (the "License"); you may not use this file except in 
7    * compliance with the License.  You may obtain a copy of the License at
8    *
9    *    http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  package edu.internet2.middleware.shibboleth.common.config.metadata;
19  
20  import javax.xml.namespace.QName;
21  
22  import org.opensaml.saml2.metadata.provider.FileBackedHTTPMetadataProvider;
23  import org.opensaml.xml.util.DatatypeHelper;
24  import org.slf4j.Logger;
25  import org.slf4j.LoggerFactory;
26  import org.springframework.beans.factory.support.BeanDefinitionBuilder;
27  import org.springframework.beans.factory.xml.ParserContext;
28  import org.w3c.dom.Element;
29  
30  /** Spring bean definition for Shibboleth file backed metadata provider. */
31  public class FileBackedHTTPMetadataProviderBeanDefinitionParser extends HTTPMetadataProviderBeanDefinitionParser {
32  
33      /** Schema type name. */
34      public static final QName TYPE_NAME = new QName(MetadataNamespaceHandler.NAMESPACE,
35              "FileBackedHTTPMetadataProvider");
36  
37      /** Class logger. */
38      private Logger log = LoggerFactory.getLogger(FileBackedHTTPMetadataProviderBeanDefinitionParser.class);
39  
40      /** {@inheritDoc} */
41      protected Class getBeanClass(Element element) {
42          return FileBackedHTTPMetadataProvider.class;
43      }
44  
45      /** {@inheritDoc} */
46      protected void doParse(Element element, ParserContext parserContext, BeanDefinitionBuilder builder) {
47          String providerId = getProviderId(element);
48          
49          super.doParse(element, parserContext, builder);
50  
51          String backingFile = DatatypeHelper.safeTrimOrNullString(element.getAttributeNS(null, "backingFile"));
52          log.debug("Metadata provider '{}' backing up remote metadata file to: ", providerId, backingFile);
53          builder.addConstructorArgValue(backingFile);
54      }
55  }