01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * 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.vfs.provider.http;
18:
19: import org.apache.commons.httpclient.Header;
20: import org.apache.commons.httpclient.HeaderElement;
21: import org.apache.commons.httpclient.HttpException;
22: import org.apache.commons.vfs.FileContent;
23: import org.apache.commons.vfs.FileContentInfo;
24: import org.apache.commons.vfs.FileContentInfoFactory;
25: import org.apache.commons.vfs.FileSystemException;
26: import org.apache.commons.vfs.impl.DefaultFileContentInfo;
27:
28: /**
29: * Description
30: *
31: * @author <a href="mailto:imario@apache.org">Mario Ivankovits</a>
32: * @version $Revision: 480428 $ $Date: 2006-11-28 22:15:24 -0800 (Tue, 28 Nov 2006) $
33: */
34: public class HttpFileContentInfoFactory implements
35: FileContentInfoFactory {
36: public FileContentInfo create(FileContent fileContent)
37: throws FileSystemException {
38: HttpFileObject httpFile = (HttpFileObject) fileContent
39: .getFile();
40:
41: String contentType = null;
42: String contentEncoding = null;
43:
44: Header header = httpFile.getHeadMethod().getResponseHeader(
45: "content-type");
46: if (header != null) {
47: HeaderElement[] element;
48: try {
49: element = header.getValues();
50: } catch (HttpException e) {
51: throw new FileSystemException(e);
52: }
53: if (element != null && element.length > 0) {
54: contentType = element[0].getName();
55: }
56: }
57:
58: contentEncoding = httpFile.getHeadMethod().getResponseCharSet();
59:
60: return new DefaultFileContentInfo(contentType, contentEncoding);
61: }
62: }
|