Source Code Cross Referenced for PlanetEntryData.java in  » Blogger-System » apache-roller-3.1 » org » apache » roller » planet » pojos » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Blogger System » apache roller 3.1 » org.apache.roller.planet.pojos 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Licensed to the Apache Software Foundation (ASF) under one or more
003:         * contributor license agreements.  The ASF licenses this file to You
004:         * under the Apache License, Version 2.0 (the "License"); you may not
005:         * use this file except in compliance with the License.
006:         * You may obtain a copy of the License at
007:         *
008:         *     http://www.apache.org/licenses/LICENSE-2.0
009:         *
010:         * Unless required by applicable law or agreed to in writing, software
011:         * distributed under the License is distributed on an "AS IS" BASIS,
012:         * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013:         * See the License for the specific language governing permissions and
014:         * limitations under the License.  For additional information regarding
015:         * copyright in this work, please see the NOTICE file in the top level
016:         * directory of this distribution.
017:         */
018:        package org.apache.roller.planet.pojos;
019:
020:        import java.io.Serializable;
021:        import java.sql.Timestamp;
022:        import java.util.ArrayList;
023:        import java.util.Iterator;
024:        import java.util.List;
025:
026:        import org.apache.roller.config.RollerRuntimeConfig;
027:        import org.apache.roller.pojos.*;
028:        import org.apache.roller.util.rome.ContentModule;
029:
030:        import org.apache.roller.util.Utilities;
031:        import org.apache.commons.lang.StringUtils;
032:        import com.sun.syndication.feed.module.DCModule;
033:        import com.sun.syndication.feed.synd.SyndCategory;
034:        import com.sun.syndication.feed.synd.SyndContent;
035:        import com.sun.syndication.feed.synd.SyndEntry;
036:        import com.sun.syndication.feed.synd.SyndFeed;
037:
038:        import java.util.Map;
039:        import org.apache.commons.lang.StringEscapeUtils;
040:        import org.apache.roller.RollerException;
041:        import org.apache.roller.business.PluginManager;
042:        import org.apache.roller.business.Roller;
043:        import org.apache.roller.business.RollerFactory;
044:
045:        /**
046:         * Represents a planet entry, i.e. an entry that was parsed out of an RSS or 
047:         * Atom newsfeed by Roller's built-in planet aggregator. 
048:         * <p>
049:         * The model coded in this class simple, perhaps too simple, and in the future 
050:         * it should be replaced by more complete model that can fully represent all 
051:         * forms of RSS and Atom.
052:         * 
053:         * @hibernate.class lazy="false" table="rag_entry"
054:         */
055:        public class PlanetEntryData extends PersistentObject implements 
056:                Serializable, Comparable {
057:            protected String id;
058:            protected String handle;
059:            protected String title;
060:            protected String guid;
061:            protected String permalink;
062:            protected String author;
063:            protected String text = "";
064:            protected Timestamp published;
065:            protected Timestamp updated;
066:
067:            private String categoriesString;
068:            protected PlanetSubscriptionData subscription = null;
069:
070:            /**
071:             * Construct empty entry.
072:             */
073:            public PlanetEntryData() {
074:            }
075:
076:            /**
077:             * Create entry from Rome entry.
078:             */
079:            public PlanetEntryData(SyndFeed romeFeed, SyndEntry romeEntry,
080:                    PlanetSubscriptionData sub) {
081:                setSubscription(sub);
082:                initFromRomeEntry(romeFeed, romeEntry);
083:            }
084:
085:            /**
086:             * Create entry from Rome entry.
087:             */
088:            public PlanetEntryData(WeblogEntryData rollerEntry,
089:                    PlanetSubscriptionData sub, Map pagePlugins)
090:                    throws RollerException {
091:                setSubscription(sub);
092:                initFromRollerEntry(rollerEntry, pagePlugins);
093:            }
094:
095:            /**
096:             * Init entry from Rome entry
097:             */
098:            private void initFromRomeEntry(SyndFeed romeFeed,
099:                    SyndEntry romeEntry) {
100:                setTitle(romeEntry.getTitle());
101:                setPermalink(romeEntry.getLink());
102:
103:                // Play some games to get the author
104:                DCModule entrydc = (DCModule) romeEntry.getModule(DCModule.URI);
105:                DCModule feeddc = (DCModule) romeFeed.getModule(DCModule.URI);
106:                if (romeEntry.getAuthor() != null) {
107:                    setAuthor(romeEntry.getAuthor());
108:                } else {
109:                    setAuthor(entrydc.getCreator()); // use <dc:creator>
110:                }
111:
112:                // Play some games to get the date too
113:                if (romeEntry.getPublishedDate() != null) {
114:                    setPubTime(new Timestamp(romeEntry.getPublishedDate()
115:                            .getTime())); // use <pubDate>
116:                } else if (entrydc != null && entrydc.getDate() != null) {
117:                    setPubTime(new Timestamp(entrydc.getDate().getTime())); // use <dc:date>
118:                }
119:
120:                // get content and unescape if it is 'text/plain'
121:                if (romeEntry.getContents().size() > 0) {
122:                    SyndContent content = (SyndContent) romeEntry.getContents()
123:                            .get(0);
124:                    if (content != null
125:                            && content.getType().equals("text/plain")) {
126:                        setText(StringEscapeUtils.unescapeHtml(content
127:                                .getValue()));
128:                    } else if (content != null) {
129:                        setText(content.getValue());
130:                    }
131:                }
132:
133:                // no content, then try <content:encoded>
134:                if (getText() == null || getText().trim().length() == 0) {
135:                    ContentModule cm = (ContentModule) romeEntry
136:                            .getModule(ContentModule.URI);
137:                    if (cm != null) {
138:                        setText(StringEscapeUtils.unescapeHtml(cm.getEncoded()));
139:                    }
140:                }
141:
142:                // copy categories
143:                if (romeEntry.getCategories().size() > 0) {
144:                    List list = new ArrayList();
145:                    Iterator cats = romeEntry.getCategories().iterator();
146:                    while (cats.hasNext()) {
147:                        SyndCategory cat = (SyndCategory) cats.next();
148:                        list.add(cat.getName());
149:                    }
150:                    setCategoriesString(list);
151:                }
152:            }
153:
154:            /**
155:             * Init entry from Roller entry
156:             */
157:            private void initFromRollerEntry(WeblogEntryData rollerEntry,
158:                    Map pagePlugins) throws RollerException {
159:                Roller roller = RollerFactory.getRoller();
160:                PluginManager ppmgr = roller.getPagePluginManager();
161:
162:                String content = "";
163:                if (!StringUtils.isEmpty(rollerEntry.getText())) {
164:                    content = rollerEntry.getText();
165:                } else {
166:                    content = rollerEntry.getSummary();
167:                }
168:                content = ppmgr.applyWeblogEntryPlugins(pagePlugins,
169:                        rollerEntry, content);
170:
171:                setAuthor(rollerEntry.getCreator().getFullName());
172:                setTitle(rollerEntry.getTitle());
173:                setPermalink(rollerEntry.getLink());
174:                setPubTime(rollerEntry.getPubTime());
175:                setText(content);
176:
177:                setPermalink(RollerRuntimeConfig
178:                        .getProperty("site.absoluteurl")
179:                        + rollerEntry.getPermaLink());
180:
181:                List cats = new ArrayList();
182:                cats.add(rollerEntry.getCategory().getPath());
183:                setCategoriesString(cats);
184:            }
185:
186:            //----------------------------------------------------------- persistent fields
187:
188:            /**
189:             * @hibernate.id column="id" generator-class="uuid.hex" unsaved-value="null"
190:             * @roller.wrapPojoMethod type="simple"
191:             */
192:            public String getId() {
193:                return id;
194:            }
195:
196:            public void setId(String id) {
197:                this .id = id;
198:            }
199:
200:            /**
201:             * @hibernate.property column="categories" non-null="false" unique="false"
202:             * @roller.wrapPojoMethod type="simple"
203:             */
204:            public String getCategoriesString() {
205:                return categoriesString;
206:            }
207:
208:            public void setCategoriesString(String categoriesString) {
209:                this .categoriesString = categoriesString;
210:            }
211:
212:            /**
213:             * @hibernate.many-to-one column="subscription_id" cascade="save-update" not-null="true"
214:             */
215:            public PlanetSubscriptionData getSubscription() {
216:                return subscription;
217:            }
218:
219:            public void setSubscription(PlanetSubscriptionData subscription) {
220:                this .subscription = subscription;
221:            }
222:
223:            /**
224:             * @hibernate.property column="author" non-null="false" unique="false"
225:             * @roller.wrapPojoMethod type="simple"
226:             */
227:            public String getAuthor() {
228:                return author;
229:            }
230:
231:            public void setAuthor(String author) {
232:                this .author = author;
233:            }
234:
235:            /**
236:             * @hibernate.property column="content" non-null="false" unique="false"
237:             * @roller.wrapPojoMethod type="simple"
238:             */
239:            public String getText() {
240:                return text;
241:            }
242:
243:            public void setText(String content) {
244:                this .text = content;
245:            }
246:
247:            /**
248:             * @hibernate.property column="guid" non-null="false" unique="true"
249:             * @roller.wrapPojoMethod type="simple"
250:             */
251:            public String getGuid() {
252:                return guid;
253:            }
254:
255:            public void setGuid(String guid) {
256:                this .guid = guid;
257:            }
258:
259:            /**
260:             * @hibernate.property column="handle" non-null="false" unique="false"
261:             * @roller.wrapPojoMethod type="simple"
262:             */
263:            public String getHandle() {
264:                return handle;
265:            }
266:
267:            public void setHandle(String handle) {
268:                this .handle = handle;
269:            }
270:
271:            /**
272:             * @hibernate.property column="published" non-null="true" unique="false"
273:             * @roller.wrapPojoMethod type="simple"
274:             */
275:            public Timestamp getPubTime() {
276:                return published;
277:            }
278:
279:            public void setPubTime(Timestamp published) {
280:                this .published = published;
281:            }
282:
283:            /**
284:             * @hibernate.property column="permalink" non-null="true" unique="false"
285:             * @roller.wrapPojoMethod type="simple"
286:             */
287:            public String getPermalink() {
288:                return permalink;
289:            }
290:
291:            public void setPermalink(String permalink) {
292:                this .permalink = permalink;
293:            }
294:
295:            /**
296:             * @hibernate.property column="title" non-null="false" unique="false"
297:             * @roller.wrapPojoMethod type="simple"
298:             */
299:            public String getTitle() {
300:                return title;
301:            }
302:
303:            public void setTitle(String title) {
304:                this .title = title;
305:            }
306:
307:            /**
308:             * @hibernate.property column="updated" non-null="false" unique="false"
309:             * @roller.wrapPojoMethod type="simple"
310:             */
311:            public Timestamp getUpdateTime() {
312:                return updated;
313:            }
314:
315:            public void setUpdateTime(Timestamp updated) {
316:                this .updated = updated;
317:            }
318:
319:            //----------------------------------------------------------------- convenience
320:
321:            /**
322:             * Returns true if any of entry's categories contain a specific string
323:             * (case-insensitive comparison).
324:             */
325:            public boolean inCategory(String category) {
326:                Iterator cats = getCategories().iterator();
327:                while (cats.hasNext()) {
328:                    String catName = ((String) cats.next()).toLowerCase();
329:                    if (catName.indexOf(category.toLowerCase()) != -1) {
330:                        return true;
331:                    }
332:                }
333:                return false;
334:            }
335:
336:            //------------------------------------------------------------- implementation
337:
338:            /**
339:             * Returns categories as list of WeblogCategoryData objects.
340:             */
341:            public List getCategories() {
342:                List list = new ArrayList();
343:                if (categoriesString != null) {
344:                    String[] catArray = Utilities.stringToStringArray(
345:                            categoriesString, ",");
346:                    for (int i = 0; i < catArray.length; i++) {
347:                        WeblogCategoryData cat = new WeblogCategoryData();
348:                        cat.setName(catArray[i]);
349:                        cat.setPath(catArray[i]);
350:                        list.add(cat);
351:                    }
352:                }
353:                return list;
354:            }
355:
356:            /**
357:             * Return first entry in category collection.
358:             * @roller.wrapPojoMethod type="pojo"
359:             */
360:            public WeblogCategoryData getCategory() {
361:                WeblogCategoryData cat = null;
362:                List cats = getCategories();
363:                if (cats.size() > 0) {
364:                    cat = (WeblogCategoryData) cats.get(0);
365:                }
366:                return cat;
367:            }
368:
369:            private void setCategoriesString(List categories) {
370:                StringBuffer sb = new StringBuffer();
371:                Iterator cats = categories.iterator();
372:                while (cats.hasNext()) {
373:                    String cat = (String) cats.next();
374:                    sb.append(cat);
375:                    if (cats.hasNext())
376:                        sb.append(",");
377:                }
378:                categoriesString = sb.toString();
379:            }
380:
381:            /** 
382:             * Returns creator as a UserData object.
383:             * @roller.wrapPojoMethod type="pojo"
384:             * TODO: make planet model entry author name, email, and uri
385:             */
386:            public UserData getCreator() {
387:                UserData user = null;
388:                if (author != null) {
389:                    user = new UserData();
390:                    user.setFullName(author);
391:                    user.setUserName(author);
392:                }
393:                return user;
394:            }
395:
396:            /**
397:             * Returns summary (always null for planet entry)
398:             * @roller.wrapPojoMethod type="simple"
399:             */
400:            public String getSummary() {
401:                return null;
402:            }
403:
404:            /**
405:             * Compare planet entries by comparing permalinks.
406:             */
407:            public int compareTo(Object o) {
408:                PlanetEntryData other = (PlanetEntryData) o;
409:                return getPermalink().compareTo(other.getPermalink());
410:            }
411:
412:            /**
413:             * Compare planet entries by comparing permalinks.
414:             */
415:            public boolean equals(Object other) {
416:                if (this  == other)
417:                    return true;
418:                if (!(other instanceof  PlanetEntryData))
419:                    return false;
420:                final PlanetEntryData that = (PlanetEntryData) other;
421:                return this .permalink.equals(that.getPermalink());
422:            }
423:
424:            /**
425:             * Generate hash code based on permalink.
426:             */
427:            public int hashCode() {
428:                return this .permalink.hashCode();
429:            }
430:
431:            public void setData(PersistentObject vo) {
432:            }
433:
434:            /**
435:             * Read-only synomym for getSubscription()
436:             * @roller.wrapPojoMethod type="pojo"
437:             */
438:            public PlanetSubscriptionData getWebsite() {
439:                return this .subscription;
440:            }
441:
442:            public void setWebsite() {
443:                // noop
444:            }
445:
446:            /**
447:             * Return text as content, to maintain compatibility with PlanetTool templates.
448:             */
449:            public String getContent() {
450:                return text;
451:            }
452:
453:            public void setContent(String ignored) {
454:                // no-op
455:            }
456:
457:            /**
458:             * Return updateTime as updated, to maintain compatibility with PlanetTool templates.
459:             */
460:            public Timestamp getUpdated() {
461:                return updated;
462:            }
463:
464:            public void setUpdated(Timestamp ignored) {
465:                // no-op
466:            }
467:
468:            /**
469:             * Return pubTime as published, to maintain compatibility with PlanetTool templates.
470:             */
471:            public Timestamp getPublished() {
472:                return published;
473:            }
474:
475:            public void setPublished(Timestamp ignored) {
476:                // no-op
477:            }
478:
479:        }
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