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1   /*
2    * Copyright 2004 Sun Microsystems, Inc.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   *
16   */
17  package com.sun.syndication.feed.synd.impl;
18  
19  import com.sun.syndication.feed.WireFeed;
20  import com.sun.syndication.feed.rss.Channel;
21  import com.sun.syndication.feed.rss.Guid;
22  import com.sun.syndication.feed.rss.Item;
23  import com.sun.syndication.feed.synd.SyndEntry;
24  import com.sun.syndication.feed.synd.SyndFeed;
25  
26  import java.util.ArrayList;
27  import java.util.HashSet;
28  import java.util.List;
29  import java.util.Set;
30  
31  /***
32   */
33  public class ConverterForRSS094 extends ConverterForRSS093 {
34  
35      public ConverterForRSS094() {
36          this("rss_0.94");
37      }
38  
39      protected ConverterForRSS094(String type) {
40          super(type);
41      }
42  
43      public void copyInto(WireFeed feed,SyndFeed syndFeed) {
44          Channel channel = (Channel) feed;
45          super.copyInto(channel,syndFeed);
46          List cats = channel.getCategories();    //c
47          if (cats.size()>0) {
48              Set s = new HashSet();                // using a set to remove duplicates
49              s.addAll(createSyndCategories(cats)); // feed native categories (as syndcat)
50              s.addAll(syndFeed.getCategories());   // DC subjects (as syndcat)
51              syndFeed.setCategories(new ArrayList(s));
52          }
53      }
54  
55      protected SyndEntry createSyndEntry(Item item) {
56          SyndEntry syndEntry = super.createSyndEntry(item);
57          syndEntry.setAuthor(item.getAuthor());    //c
58  
59          Guid guid = item.getGuid();
60          if (guid!=null) {
61              syndEntry.setUri(guid.getValue());
62              if (item.getLink()==null && guid.isPermaLink()) {
63                  syndEntry.setLink(guid.getValue());
64              }
65          }
66          else {
67              syndEntry.setUri(item.getLink());
68          }
69          return syndEntry;
70      }
71  
72  
73      protected WireFeed createRealFeed(String type,SyndFeed syndFeed) {
74          Channel channel = (Channel) super.createRealFeed(type,syndFeed);
75          List cats = syndFeed.getCategories();    //c
76          if (cats.size()>0) {
77              channel.setCategories(createRSSCategories(cats));
78          }
79          return channel;
80      }
81  
82      protected Item createRSSItem(SyndEntry sEntry) {
83          Item item = super.createRSSItem(sEntry);
84          item.setAuthor(sEntry.getAuthor());    //c
85  
86          Guid guid = null;
87          String uri = sEntry.getUri();
88          if (uri!=null) {
89              guid = new Guid();
90              guid.setPermaLink(false);
91              guid.setValue(uri);
92          }
93          else {
94              String link = sEntry.getLink();
95              if (link!=null) {
96                  guid = new Guid();
97                  guid.setPermaLink(true);
98                  guid.setValue(link);
99              }
100         }
101         item.setGuid(guid);
102 
103         return item;
104     }
105 
106 }