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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.resource;
19  
20  import java.net.URI;
21  import java.net.URISyntaxException;
22  
23  import javax.xml.namespace.QName;
24  
25  import org.opensaml.util.resource.FileBackedHttpResource;
26  import org.opensaml.xml.util.DatatypeHelper;
27  import org.slf4j.Logger;
28  import org.slf4j.LoggerFactory;
29  import org.springframework.beans.factory.BeanCreationException;
30  import org.springframework.beans.factory.support.AbstractBeanDefinition;
31  import org.springframework.beans.factory.support.BeanDefinitionBuilder;
32  import org.springframework.beans.factory.xml.ParserContext;
33  import org.w3c.dom.Element;
34  
35  /** Bean definition parser for {@link FileBackedHttpResource}s. */
36  public class FileBackedHttpResourceBeanDefinitionParser extends AbstractResourceBeanDefinitionParser {
37  
38      /** Schema type. */
39      public static final QName SCHEMA_TYPE = new QName(ResourceNamespaceHandler.NAMESPACE, "FileBackedHttpResource");
40  
41      /** Class logger. */
42      private final Logger log = LoggerFactory.getLogger(FileBackedHttpResourceBeanDefinitionParser.class);
43  
44      /** {@inheritDoc} */
45      protected Class getBeanClass(Element arg0) {
46          return FileBackedHttpResource.class;
47      }
48  
49      /** {@inheritDoc} */
50      protected String resolveId(Element configElement, AbstractBeanDefinition beanDefinition, ParserContext parserContext) {
51          return FileBackedHttpResource.class.getName() + ":("
52                  + DatatypeHelper.safeTrimOrNullString(configElement.getAttributeNS(null, "url")) + ","
53                  + DatatypeHelper.safeTrimOrNullString(configElement.getAttributeNS(null, "file")) + ")";
54      }
55  
56      /** {@inheritDoc} */
57      protected void doParse(Element element, ParserContext parserContext, BeanDefinitionBuilder builder) {
58          super.doParse(element, parserContext, builder);
59          builder.addConstructorArgValue(DatatypeHelper.safeTrimOrNullString(element.getAttributeNS(null, "url")));
60  
61          String file = DatatypeHelper.safeTrimOrNullString(element.getAttributeNS(null, "file"));
62          if (file.startsWith("file:")) {
63              try {
64                  builder.addConstructorArgValue(new URI(file));
65              } catch (URISyntaxException e) {
66                  log.error("Illegal file: URI syntax", e);
67                  throw new BeanCreationException("Illegal file: URI syntax");
68              }
69          } else {
70              builder.addConstructorArgValue(file);
71          }
72  
73          addResourceFilter(element, parserContext, builder);
74      }
75  }