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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * 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  package org.apache.commons.vfs2.provider.webdav4;
18  
19  import org.apache.commons.vfs2.FileContent;
20  import org.apache.commons.vfs2.FileContentInfo;
21  import org.apache.commons.vfs2.FileContentInfoFactory;
22  import org.apache.commons.vfs2.FileSystemException;
23  import org.apache.commons.vfs2.impl.DefaultFileContentInfo;
24  import org.apache.commons.vfs2.provider.GenericURLFileName;
25  import org.apache.commons.vfs2.util.FileObjectUtils;
26  import org.apache.jackrabbit.webdav.property.DavProperty;
27  import org.apache.jackrabbit.webdav.property.DavPropertyName;
28  import org.apache.jackrabbit.webdav.property.DavPropertyNameSet;
29  import org.apache.jackrabbit.webdav.property.DavPropertySet;
30  
31  /**
32   * Determines the content information for files accessed via WebDAV.
33   *
34   * @since 2.5.0
35   */
36  public class Webdav4FileContentInfoFactory implements FileContentInfoFactory {
37      @Override
38      public FileContentInfo create(final FileContent fileContent) throws FileSystemException {
39          final Webdav4FileObject../../../org/apache/commons/vfs2/provider/webdav4/Webdav4FileObject.html#Webdav4FileObject">Webdav4FileObject file = (Webdav4FileObject) FileObjectUtils.getAbstractFileObject(fileContent.getFile());
40  
41          String contentType = null;
42          String contentEncoding = null;
43  
44          final DavPropertyNameSet nameSet = new DavPropertyNameSet();
45          nameSet.add(DavPropertyName.GETCONTENTTYPE);
46          final DavPropertySet propertySet = file.getProperties((GenericURLFileName) file.getName(), nameSet, true);
47  
48          DavProperty property = propertySet.get(DavPropertyName.GETCONTENTTYPE);
49          if (property != null) {
50              contentType = (String) property.getValue();
51          }
52          property = propertySet.get(Webdav4FileObject.RESPONSE_CHARSET);
53          if (property != null) {
54              contentEncoding = (String) property.getValue();
55          }
56  
57          return new DefaultFileContentInfo(contentType, contentEncoding);
58      }
59  }