Source Code Cross Referenced for BloggerAPIHandler.java in  » Blogger-System » apache-roller-3.1 » org » apache » roller » webservices » xmlrpc » 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.webservices.xmlrpc 
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:
019:        package org.apache.roller.webservices.xmlrpc;
020:
021:        import java.sql.Timestamp;
022:        import java.util.ArrayList;
023:        import java.util.Date;
024:        import java.util.Hashtable;
025:        import java.util.Iterator;
026:        import java.util.List;
027:        import java.util.Map;
028:        import java.util.StringTokenizer;
029:        import java.util.Vector;
030:
031:        import javax.servlet.http.HttpServletRequest;
032:
033:        import org.apache.commons.lang.StringUtils;
034:        import org.apache.commons.logging.Log;
035:        import org.apache.commons.logging.LogFactory;
036:        import org.apache.roller.RollerException;
037:        import org.apache.roller.config.RollerRuntimeConfig;
038:        import org.apache.roller.business.Roller;
039:        import org.apache.roller.business.RollerFactory;
040:        import org.apache.roller.business.UserManager;
041:        import org.apache.roller.business.WeblogManager;
042:        import org.apache.roller.pojos.UserData;
043:        import org.apache.roller.pojos.WeblogEntryData;
044:        import org.apache.roller.pojos.WeblogTemplate;
045:        import org.apache.roller.pojos.WebsiteData;
046:        import org.apache.roller.util.Utilities;
047:        import org.apache.xmlrpc.XmlRpcException;
048:
049:        /**
050:         * Roller XML-RPC Handler for the Blogger v1 API.
051:         *
052:         * Blogger API spec can be found at http://plant.blogger.com/api/index.html
053:         * See also http://xmlrpc.free-conversant.com/docs/bloggerAPI
054:         *
055:         * @author David M Johnson
056:         */
057:        public class BloggerAPIHandler extends BaseAPIHandler {
058:
059:            static final long serialVersionUID = 2398898776655115019L;
060:
061:            private static Log mLogger = LogFactory
062:                    .getLog(BloggerAPIHandler.class);
063:
064:            public BloggerAPIHandler() {
065:                super ();
066:            }
067:
068:            /**
069:             * Delete a Post
070:             *
071:             * @param appkey Unique identifier/passcode of the application sending the post
072:             * @param postid Unique identifier of the post to be changed
073:             * @param userid Login for a Blogger user who has permission to post to the blog
074:             * @param password Password for said username
075:             * @param publish Ignored
076:             * @throws XmlRpcException
077:             * @return
078:             */
079:            public boolean deletePost(String appkey, String postid,
080:                    String userid, String password, boolean publish)
081:                    throws Exception {
082:
083:                mLogger.debug("deletePost() Called =====[ SUPPORTED ]=====");
084:                mLogger.debug("     Appkey: " + appkey);
085:                mLogger.debug("     PostId: " + postid);
086:                mLogger.debug("     UserId: " + userid);
087:
088:                Roller roller = RollerFactory.getRoller();
089:                WeblogManager weblogMgr = roller.getWeblogManager();
090:                WeblogEntryData entry = weblogMgr.getWeblogEntry(postid);
091:
092:                validate(entry.getWebsite().getHandle(), userid, password);
093:
094:                try {
095:                    // delete the entry
096:                    weblogMgr.removeWeblogEntry(entry);
097:                    roller.flush();
098:
099:                    // notify cache
100:                    flushPageCache(entry.getWebsite());
101:                } catch (Exception e) {
102:                    String msg = "ERROR in blogger.deletePost: "
103:                            + e.getClass().getName();
104:                    mLogger.error(msg, e);
105:                    throw new XmlRpcException(UNKNOWN_EXCEPTION, msg);
106:                }
107:
108:                return true;
109:            }
110:
111:            /**
112:             * Edits the main index template of a given blog. Roller only support
113:             * updating the main template, the default template of your weblog.
114:             *
115:             * @param appkey Unique identifier/passcode of the application sending the post
116:             * @param blogid Unique identifier of the blog the post will be added to
117:             * @param userid Login for a Blogger user who has permission to post to the blog
118:             * @param password Password for said username
119:             * @param template The text for the new template (usually mostly HTML).
120:             * @param templateType Determines which of the blog's templates is to be set.
121:             * @throws XmlRpcException
122:             * @return
123:             */
124:            public boolean setTemplate(String appkey, String blogid,
125:                    String userid, String password, String templateData,
126:                    String templateType) throws Exception {
127:
128:                mLogger.debug("setTemplate() Called =====[ SUPPORTED ]=====");
129:                mLogger.debug("     Appkey: " + appkey);
130:                mLogger.debug("     BlogId: " + blogid);
131:                mLogger.debug("     UserId: " + userid);
132:                mLogger.debug("   Template: " + templateData);
133:                mLogger.debug("       Type: " + templateType);
134:
135:                validate(blogid, userid, password);
136:
137:                if (!templateType.equals("main")) {
138:                    throw new XmlRpcException(UNKNOWN_EXCEPTION,
139:                            "Roller only supports main template");
140:                }
141:
142:                try {
143:                    Roller roller = RollerFactory.getRoller();
144:                    UserManager userMgr = roller.getUserManager();
145:
146:                    WeblogTemplate page = userMgr.getPage(templateType);
147:                    page.setContents(templateData);
148:                    userMgr.savePage(page);
149:                    flushPageCache(page.getWebsite());
150:
151:                    return true;
152:                } catch (RollerException e) {
153:                    String msg = "ERROR in BlooggerAPIHander.setTemplate";
154:                    mLogger.error(msg, e);
155:                    throw new XmlRpcException(UNKNOWN_EXCEPTION, msg);
156:                }
157:            }
158:
159:            /**
160:             * Returns the main or archive index template of a given blog
161:             *
162:             * @param appkey Unique identifier/passcode of the application sending the post
163:             * @param blogid Unique identifier of the blog the post will be added to
164:             * @param userid Login for a Blogger user who has permission to post to the blog
165:             * @param password Password for said username
166:             * @param templateType Determines which of the blog's templates will be returned. Currently, either "main" or "archiveIndex"
167:             * @throws XmlRpcException
168:             * @return
169:             */
170:            public String getTemplate(String appkey, String blogid,
171:                    String userid, String password, String templateType)
172:                    throws Exception {
173:
174:                mLogger.debug("getTemplate() Called =====[ SUPPORTED ]=====");
175:                mLogger.debug("     Appkey: " + appkey);
176:                mLogger.debug("     BlogId: " + blogid);
177:                mLogger.debug("     UserId: " + userid);
178:                mLogger.debug("       Type: " + templateType);
179:
180:                validate(blogid, userid, password);
181:
182:                try {
183:                    Roller roller = RollerFactory.getRoller();
184:                    UserManager userMgr = roller.getUserManager();
185:                    WeblogTemplate page = userMgr.getPage(templateType);
186:
187:                    if (null == page) {
188:                        throw new XmlRpcException(UNKNOWN_EXCEPTION,
189:                                "Template not found");
190:                    } else {
191:                        return page.getContents();
192:                    }
193:                } catch (Exception e) {
194:                    String msg = "ERROR in BlooggerAPIHander.getTemplate";
195:                    mLogger.error(msg, e);
196:                    throw new XmlRpcException(UNKNOWN_EXCEPTION, msg);
197:                }
198:            }
199:
200:            /**
201:             * Authenticates a user and returns basic user info (name, email, userid, etc.)
202:             *
203:             * @param appkey Unique identifier/passcode of the application sending the post
204:             * @param userid Login for a Blogger user who has permission to post to the blog
205:             * @param password Password for said username
206:             * @throws XmlRpcException
207:             * @return
208:             */
209:            public Object getUserInfo(String appkey, String userid,
210:                    String password) throws Exception {
211:
212:                mLogger.debug("getUserInfo() Called =====[ SUPPORTED ]=====");
213:                mLogger.debug("     Appkey: " + appkey);
214:                mLogger.debug("     UserId: " + userid);
215:
216:                validateUser(userid, password);
217:
218:                try {
219:                    Roller roller = RollerFactory.getRoller();
220:                    UserManager userMgr = roller.getUserManager();
221:                    UserData user = userMgr.getUserByUserName(userid);
222:
223:                    // parses full name into two strings, firstname and lastname
224:                    String firstname = "", lastname = "";
225:                    StringTokenizer toker = new StringTokenizer(user
226:                            .getFullName());
227:
228:                    if (toker.hasMoreTokens()) {
229:                        firstname = toker.nextToken();
230:                    }
231:
232:                    while (toker.hasMoreTokens()) {
233:                        if (!lastname.equals("")) {
234:                            lastname += " ";
235:                        }
236:                        lastname += toker.nextToken();
237:                    }
238:
239:                    // populates user information to return as a result
240:                    Hashtable result = new Hashtable();
241:                    result.put("nickname", user.getUserName());
242:                    result.put("userid", user.getUserName());
243:                    result.put("email", "");
244:                    result.put("lastname", lastname);
245:                    result.put("firstname", firstname);
246:
247:                    return result;
248:                } catch (RollerException e) {
249:                    String msg = "ERROR in BlooggerAPIHander.getInfo";
250:                    mLogger.error(msg, e);
251:                    throw new XmlRpcException(UNKNOWN_EXCEPTION, msg);
252:                }
253:            }
254:
255:            /**
256:             * Returns information on all the blogs a given user is a member of
257:             *
258:             * @param appkey Unique identifier/passcode of the application sending the post
259:             * @param userid Login for a Blogger user who has permission to post to the blog
260:             * @param password Password for said username
261:             * @throws XmlRpcException
262:             * @return
263:             */
264:            public Object getUsersBlogs(String appkey, String userid,
265:                    String password) throws Exception {
266:
267:                mLogger.debug("getUsersBlogs() Called ===[ SUPPORTED ]=======");
268:                mLogger.debug("     Appkey: " + appkey);
269:                mLogger.debug("     UserId: " + userid);
270:
271:                Vector result = new Vector();
272:                if (validateUser(userid, password)) {
273:                    try {
274:                        String contextUrl = RollerRuntimeConfig
275:                                .getAbsoluteContextURL();
276:
277:                        UserManager umgr = RollerFactory.getRoller()
278:                                .getUserManager();
279:                        UserData user = umgr.getUserByUserName(userid);
280:                        // get list of user's enabled websites
281:                        List websites = umgr.getWebsites(user, Boolean.TRUE,
282:                                null, null, null, 0, -1);
283:                        Iterator iter = websites.iterator();
284:                        while (iter.hasNext()) {
285:                            WebsiteData website = (WebsiteData) iter.next();
286:                            Hashtable blog = new Hashtable(3);
287:                            blog.put("url", website.getURL());
288:                            blog.put("blogid", website.getHandle());
289:                            blog.put("blogName", website.getName());
290:                            result.add(blog);
291:                        }
292:                    } catch (Exception e) {
293:                        String msg = "ERROR in BlooggerAPIHander.getUsersBlogs";
294:                        mLogger.error(msg, e);
295:                        throw new XmlRpcException(UNKNOWN_EXCEPTION, msg);
296:                    }
297:                }
298:                return result;
299:            }
300:
301:            /**
302:             * Edits a given post. Optionally, will publish the blog after making the edit
303:             *
304:             * @param appkey Unique identifier/passcode of the application sending the post
305:             * @param postid Unique identifier of the post to be changed
306:             * @param userid Login for a Blogger user who has permission to post to the blog
307:             * @param password Password for said username
308:             * @param content Contents of the post
309:             * @param publish If true, the blog will be published immediately after the post is made
310:             * @throws XmlRpcException
311:             * @return
312:             */
313:            public boolean editPost(String appkey, String postid,
314:                    String userid, String password, String content,
315:                    boolean publish) throws Exception {
316:
317:                mLogger.debug("editPost() Called ========[ SUPPORTED ]=====");
318:                mLogger.debug("     Appkey: " + appkey);
319:                mLogger.debug("     PostId: " + postid);
320:                mLogger.debug("     UserId: " + userid);
321:                mLogger.debug("    Publish: " + publish);
322:                mLogger.debug("     Content:\n " + content);
323:
324:                if (validateUser(userid, password)) {
325:                    try {
326:                        Timestamp current = new Timestamp(System
327:                                .currentTimeMillis());
328:
329:                        Roller roller = RollerFactory.getRoller();
330:                        WeblogManager weblogMgr = roller.getWeblogManager();
331:                        WeblogEntryData entry = weblogMgr
332:                                .getWeblogEntry(postid);
333:                        entry.setText(content);
334:                        entry.setUpdateTime(current);
335:                        if (Boolean.valueOf(publish).booleanValue()) {
336:                            entry.setStatus(WeblogEntryData.PUBLISHED);
337:                        } else {
338:                            entry.setStatus(WeblogEntryData.DRAFT);
339:                        }
340:
341:                        // save the entry
342:                        weblogMgr.saveWeblogEntry(entry);
343:                        roller.flush();
344:
345:                        // notify cache
346:                        flushPageCache(entry.getWebsite());
347:
348:                        return true;
349:                    } catch (Exception e) {
350:                        String msg = "ERROR in BlooggerAPIHander.editPost";
351:                        mLogger.error(msg, e);
352:                        throw new XmlRpcException(UNKNOWN_EXCEPTION, msg);
353:                    }
354:                }
355:                return false;
356:            }
357:
358:            /**
359:             * Makes a new post to a designated blog. Optionally, will publish the blog after making the post
360:             *
361:             * @param appkey Unique identifier/passcode of the application sending the post
362:             * @param blogid Unique identifier of the blog the post will be added to
363:             * @param userid Login for a Blogger user who has permission to post to the blog
364:             * @param password Password for said username
365:             * @param content Contents of the post
366:             * @param publish If true, the blog will be published immediately after the post is made
367:             * @throws XmlRpcException
368:             * @return
369:             */
370:            public String newPost(String appkey, String blogid, String userid,
371:                    String password, String content, boolean publish)
372:                    throws Exception {
373:
374:                mLogger.debug("newPost() Called ===========[ SUPPORTED ]=====");
375:                mLogger.debug("     Appkey: " + appkey);
376:                mLogger.debug("     BlogId: " + blogid);
377:                mLogger.debug("     UserId: " + userid);
378:                mLogger.debug("    Publish: " + publish);
379:                mLogger.debug("    Content:\n " + content);
380:
381:                WebsiteData website = validate(blogid, userid, password);
382:
383:                // extract the title from the content
384:                String title = "";
385:
386:                if (content.indexOf("<title>") != -1) {
387:                    title = content.substring(content.indexOf("<title>") + 7,
388:                            content.indexOf("</title>"));
389:                    content = StringUtils.replace(content, "<title>" + title
390:                            + "</title>", "");
391:                }
392:                if (StringUtils.isEmpty(title)) {
393:                    title = Utilities.truncateNicely(content, 15, 15, "...");
394:                }
395:
396:                try {
397:                    Roller roller = RollerFactory.getRoller();
398:                    WeblogManager weblogMgr = roller.getWeblogManager();
399:
400:                    Timestamp current = new Timestamp(System
401:                            .currentTimeMillis());
402:
403:                    WeblogEntryData entry = new WeblogEntryData();
404:                    entry.setTitle(title);
405:                    entry.setText(content);
406:                    entry.setPubTime(current);
407:                    entry.setUpdateTime(current);
408:                    UserData user = roller.getUserManager().getUserByUserName(
409:                            userid);
410:                    entry.setCreator(user);
411:                    entry.setWebsite(website);
412:                    entry.setCategory(website.getBloggerCategory());
413:                    if (Boolean.valueOf(publish).booleanValue()) {
414:                        entry.setStatus(WeblogEntryData.PUBLISHED);
415:                    } else {
416:                        entry.setStatus(WeblogEntryData.DRAFT);
417:                    }
418:
419:                    // save the entry
420:                    weblogMgr.saveWeblogEntry(entry);
421:                    roller.flush();
422:
423:                    // notify cache
424:                    flushPageCache(entry.getWebsite());
425:
426:                    return entry.getId();
427:                } catch (Exception e) {
428:                    String msg = "ERROR in BlooggerAPIHander.newPost";
429:                    mLogger.error(msg, e);
430:                    throw new XmlRpcException(UNKNOWN_EXCEPTION, msg);
431:                }
432:            }
433:
434:            /**
435:             * This method was added to the Blogger 1.0 API via an Email from Evan
436:             * Williams to the Yahoo Group bloggerDev, see the email message for details -
437:             * http://groups.yahoo.com/group/bloggerDev/message/225
438:             *
439:             * @param appkey Unique identifier/passcode of the application sending the post
440:             * @param blogid Unique identifier of the blog the post will be added to
441:             * @param userid Login for a Blogger user who has permission to post to the blog
442:             * @param password Password for said username
443:             * @param numposts Number of Posts to Retrieve
444:             * @throws XmlRpcException
445:             * @return Vector of Hashtables, each containing dateCreated, userid, postid, content
446:             */
447:            public Object getRecentPosts(String appkey, String blogid,
448:                    String userid, String password, int numposts)
449:                    throws Exception {
450:
451:                mLogger
452:                        .debug("getRecentPosts() Called ===========[ SUPPORTED ]=====");
453:                mLogger.debug("     Appkey: " + appkey);
454:                mLogger.debug("     BlogId: " + blogid);
455:                mLogger.debug("     UserId: " + userid);
456:                mLogger.debug("     Number: " + numposts);
457:
458:                WebsiteData website = validate(blogid, userid, password);
459:
460:                try {
461:                    Vector results = new Vector();
462:
463:                    Roller roller = RollerFactory.getRoller();
464:                    WeblogManager weblogMgr = roller.getWeblogManager();
465:                    if (website != null) {
466:                        Map entries = weblogMgr.getWeblogEntryObjectMap(
467:                                website, // website
468:                                null, // startDate
469:                                new Date(), // endDate
470:                                null, // catName
471:                                null, // tags
472:                                null, null, 0, -1);
473:
474:                        Iterator iter = entries.values().iterator();
475:                        while (iter.hasNext()) {
476:                            ArrayList list = (ArrayList) iter.next();
477:                            Iterator i = list.iterator();
478:                            while (i.hasNext()) {
479:                                WeblogEntryData entry = (WeblogEntryData) i
480:                                        .next();
481:                                Hashtable result = new Hashtable();
482:                                if (entry.getPubTime() != null) {
483:                                    result.put("dateCreated", entry
484:                                            .getPubTime());
485:                                }
486:                                result.put("userid", userid);
487:                                result.put("postid", entry.getId());
488:                                result.put("content", entry.getText());
489:                                results.add(result);
490:                            }
491:                        }
492:                    }
493:                    return results;
494:                } catch (Exception e) {
495:                    String msg = "ERROR in BlooggerAPIHander.getRecentPosts";
496:                    mLogger.error(msg, e);
497:                    throw new XmlRpcException(UNKNOWN_EXCEPTION, msg);
498:                }
499:            }
500:
501:        }
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