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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;
18  
19  import com.sun.syndication.feed.CopyFrom;
20  import com.sun.syndication.feed.WireFeed;
21  import com.sun.syndication.feed.module.Module;
22  
23  import java.util.Date;
24  import java.util.List;
25  
26  /***
27   * Bean interface for all types of feeds.
28   * <p>
29   * It handles all RSS versions and Atom 0.3, it normalizes all info, it may lose information.
30   * <p>
31   * @author Alejandro Abdelnur
32   *
33   */
34  public interface SyndFeed extends Cloneable,CopyFrom {
35  
36      /***
37       * Returns the real feed types the SyndFeedImpl supports when converting from and to.
38       * <p>
39       * @return the real feed type supported.
40       */
41      List getSupportedFeedTypes();
42  
43      /***
44       * Creates a real feed containing the information of the SyndFeedImpl.
45       * <p>
46       * The feed type of the created WireFeed is taken from the SyndFeedImpl feedType property.
47       * <p>
48       * @return the real feed.
49       *
50       */
51      WireFeed createWireFeed();
52  
53      /***
54       * Creates a real feed containing the information of the SyndFeedImpl.
55       * <p>
56       * @param feedType the feed type for the WireFeed to be created.
57       * @return the real feed.
58       *
59       */
60      WireFeed createWireFeed(String feedType);
61  
62  
63      /***
64       * Returns the wire feed type the feed had/will-have when coverted from/to a WireFeed.
65       * <p>
66       * @return the feed type, <b>null</b> if none.
67       *
68       */
69      String getFeedType();
70  
71      /***
72       * Sets the wire feed type the feed will-have when coverted to a WireFeed.
73       * <p>
74       * @param feedType the feed type to set, <b>null</b> if none.
75       *
76       */
77      void setFeedType(String feedType);
78  
79      /***
80       * Returns the charset encoding of a the feed. This is not set by Rome parsers.
81       * <p>
82       * @return the charset encoding of the feed.
83       *
84       */
85      public String getEncoding();
86  
87      /***
88       * Sets the charset encoding of a the feed. This is not set by Rome parsers.
89       * <p>
90       * @param encoding the charset encoding of the feed.
91       *
92       */
93      public void setEncoding(String encoding);
94  
95      /***
96       * Returns the feed URI.
97       * <p>
98       * How the feed URI maps to a concrete feed type (RSS or Atom) depends on
99       * the concrete feed type. This is explained in detail in Rome documentation,
100      * <a href="http://wiki.java.net/bin/edit/Javawsxml/Rome04URIMapping">Feed and entry URI mapping</a>.
101      * <p>
102      * The returned URI is a normalized URI as specified in RFC 2396bis.
103      * <p>
104      * @return the feed URI, <b>null</b> if none.
105      *
106      */
107     String getUri();
108 
109     /***
110      * Sets the feed URI.
111      * <p>
112      * How the feed URI maps to a concrete feed type (RSS or Atom) depends on
113      * the concrete feed type. This is explained in detail in Rome documentation,
114      * <a href="http://wiki.java.net/bin/edit/Javawsxml/Rome04URIMapping">Feed and entry URI mapping</a>.
115      * <p>
116      * @param uri the feed URI to set, <b>null</b> if none.
117      *
118      */
119     void setUri(String uri);
120 
121     /***
122      * Returns the feed title.
123      * <p>
124      * @return the feed title, <b>null</b> if none.
125      *
126      */
127     String getTitle();
128 
129     /***
130      * Sets the feed title.
131      * <p>
132      * @param title the feed title to set, <b>null</b> if none.
133      *
134      */
135     void setTitle(String title);
136 
137     /***
138      * Returns the feed link.
139      * <p>
140      * @return the feed link, <b>null</b> if none.
141      *
142      */
143     String getLink();
144 
145     /***
146      * Sets the feed link.
147      * <p>
148      * @param link the feed link to set, <b>null</b> if none.
149      *
150      */
151     void setLink(String link);
152 
153     /***
154      * Returns the feed description.
155      * <p>
156      * @return the feed description, <b>null</b> if none.
157      *
158      */
159     String getDescription();
160 
161     /***
162      * Sets the feed description.
163      * <p>
164      * @param description the feed description to set, <b>null</b> if none.
165      *
166      */
167     void setDescription(String description);
168 
169     /***
170      * Returns the feed published date.
171      * <p>
172      * This method is a convenience method, it maps to the Dublin Core module date.
173      * <p>
174      * @return the feed published date, <b>null</b> if none.
175      *
176      */
177     Date getPublishedDate();
178 
179     /***
180      * Sets the feed published date.
181      * <p>
182      * This method is a convenience method, it maps to the Dublin Core module date.
183      * <p>
184      * @param publishedDate the feed published date to set, <b>null</b> if none.
185      *
186      */
187     void setPublishedDate(Date publishedDate);
188 
189     /***
190      * Returns the feed author.
191      * <p>
192      * This method is a convenience method, it maps to the Dublin Core module creator.
193      * <p>
194      * @return the feed author, <b>null</b> if none.
195      *
196      */
197     String getAuthor();
198 
199     /***
200      * Sets the feed author.
201      * <p>
202      * This method is a convenience method, it maps to the Dublin Core module creator.
203      * <p>
204      * @param author the feed author to set, <b>null</b> if none.
205      *
206      */
207     void setAuthor(String author);
208 
209     /***
210      * Returns the feed copyright.
211      * <p>
212      * This method is a convenience method, it maps to the Dublin Core module rights.
213      * <p>
214      * @return the feed copyright, <b>null</b> if none.
215      *
216      */
217     String getCopyright();
218 
219     /***
220      * Sets the feed copyright.
221      * <p>
222      * This method is a convenience method, it maps to the Dublin Core module rights.
223      * <p>
224      * @param copyright the feed copyright to set, <b>null</b> if none.
225      *
226      */
227     void setCopyright(String copyright);
228 
229     /***
230      * Returns the feed image.
231      * <p>
232      * @return the feed image, <b>null</b> if none.
233      *
234      */
235     SyndImage getImage();
236 
237     /***
238      * Sets the feed image.
239      * <p>
240      * @param image the feed image to set, <b>null</b> if none.
241      *
242      */
243     void setImage(SyndImage image);
244 
245     /***
246      * Returns the feed categories.
247      * <p>
248      * This method is a convenience method, it maps to the Dublin Core module subjects.
249      * <p>
250      * @return a list of SyndCategoryImpl elements with the feed categories,
251      *         an empty list if none.
252      *
253      */
254     List getCategories();
255 
256     /***
257      * Sets the feed categories.
258      * <p>
259      * This method is a convenience method, it maps to the Dublin Core module subjects.
260      * <p>
261      * @param categories the list of SyndCategoryImpl elements with the feed categories to set,
262      *        an empty list or <b>null</b> if none.
263      *
264      */
265     void setCategories(List categories);
266 
267     /***
268      * Returns the feed entries.
269      * <p>
270      * @return a list of SyndEntryImpl elements with the feed entries,
271      *         an empty list if none.
272      *
273      */
274     List getEntries();
275 
276     /***
277      * Sets the feed entries.
278      * <p>
279      * @param entries the list of SyndEntryImpl elements with the feed entries to set,
280      *        an empty list or <b>null</b> if none.
281      *
282      */
283     void setEntries(List entries);
284 
285     /***
286      * Returns the feed language.
287      * <p>
288      * This method is a convenience method, it maps to the Dublin Core module language.
289      * <p>
290      * @return the feed language, <b>null</b> if none.
291      *
292      */
293     String getLanguage();
294 
295     /***
296      * Sets the feed language.
297      * <p>
298      * This method is a convenience method, it maps to the Dublin Core module language.
299      * <p>
300      * @param language the feed language to set, <b>null</b> if none.
301      *
302      */
303     void setLanguage(String language);
304 
305     /***
306      * Returns the module identified by a given URI.
307      * <p>
308      * @param uri the URI of the ModuleImpl.
309      * @return The module with the given URI, <b>null</b> if none.
310      */
311     public Module getModule(String uri);
312 
313     /***
314      * Returns the feed modules.
315      * <p>
316      * @return a list of ModuleImpl elements with the feed modules,
317      *         an empty list if none.
318      *
319      */
320     List getModules();
321 
322     /***
323      * Sets the feed modules.
324      * <p>
325      * @param modules the list of ModuleImpl elements with the feed modules to set,
326      *        an empty list or <b>null</b> if none.
327      *
328      */
329     void setModules(List modules);
330 
331     /***
332      * Creates a deep clone of the object.
333      * <p>
334      * @return a clone of the object.
335      * @throws CloneNotSupportedException thrown if an element of the object cannot be cloned.
336      *
337      */
338     public Object clone() throws CloneNotSupportedException;
339 
340 }