1 /**
2 * Copyright (C) 2005-2009 Alfresco Software Limited.
3 *
4 * This file is part of the Spring Surf Extension project.
5 *
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18
19 package org.springframework.extensions.webscripts.atom;
20
21 import java.io.IOException;
22 import java.util.HashMap;
23 import java.util.Map;
24
25 import org.apache.abdera.model.Feed;
26 import org.springframework.extensions.surf.util.Content;
27 import org.springframework.extensions.surf.util.URLEncoder;
28 import org.springframework.extensions.webscripts.Format;
29 import org.springframework.extensions.webscripts.FormatReader;
30 import org.springframework.extensions.webscripts.WebScriptException;
31 import org.springframework.extensions.webscripts.WebScriptRequest;
32 import org.springframework.extensions.webscripts.WebScriptResponse;
33
34
35 /**
36 * Convert application/atom+xml;type=feed to class org.apache.abdera.model.Feed
37 *
38 * @author davidc
39 */
40 public class AtomFeedReader implements FormatReader<Feed>
41 {
42 // dependencies
43 protected AbderaService abderaService;
44
45 /**
46 * Sets the Abdera Service
47 *
48 * @param abderaService
49 */
50 public void setAbderaService(AbderaService abderaService)
51 {
52 this.abderaService = abderaService;
53 }
54
55 /* (non-Javadoc)
56 * @see org.springframework.extensions.webscripts.FormatReader#getDestinationClass()
57 */
58 public Class<Feed> getDestinationClass()
59 {
60 return Feed.class;
61 }
62
63 /* (non-Javadoc)
64 * @see org.springframework.extensions.webscripts.FormatReader#getSourceMimetype()
65 */
66 public String getSourceMimetype()
67 {
68 return Format.ATOMFEED.mimetype();
69 }
70
71 /* (non-Javadoc)
72 * @see org.springframework.extensions.webscripts.FormatReader#read(org.springframework.extensions.webscripts.WebScriptRequest)
73 */
74 public Feed read(WebScriptRequest req)
75 {
76 Content content = req.getContent();
77 if (content == null)
78 {
79 throw new WebScriptException("Failed to convert request to Atom Feed");
80 }
81 try
82 {
83 return abderaService.parseFeed(content.getReader(), req.getServerPath() + URLEncoder.encodeUri(req.getServicePath()));
84 }
85 catch (IOException e)
86 {
87 throw new WebScriptException("Failed to convert request to Atom Feed", e);
88 }
89 }
90
91 /* (non-Javadoc)
92 * @see org.springframework.extensions.webscripts.FormatReader#createScriptParameters(org.springframework.extensions.webscripts.WebScriptRequest, org.springframework.extensions.webscripts.WebScriptResponse)
93 */
94 public Map<String, Object> createScriptParameters(WebScriptRequest req, WebScriptResponse res)
95 {
96 Map<String, Object> params = new HashMap<String, Object>();
97 params.put("feed", read(req));
98 return params;
99 }
100 }