Source Code Cross Referenced for Config.java in  » Groupware » LibreSource » org » libresource » web » config » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Groupware » LibreSource » org.libresource.web.config 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /**
002:         * LibreSource
003:         * Copyright (C) 2004-2008 Artenum SARL / INRIA
004:         * http://www.libresource.org - contact@artenum.com
005:         *
006:         * This file is part of the LibreSource software, 
007:         * which can be used and distributed under license conditions.
008:         * The license conditions are provided in the LICENSE.TXT file 
009:         * at the root path of the packaging that enclose this file. 
010:         * More information can be found at 
011:         * - http://dev.libresource.org/home/license
012:         *
013:         * Initial authors :
014:         *
015:         * Guillaume Bort / INRIA
016:         * Francois Charoy / Universite Nancy 2
017:         * Julien Forest / Artenum
018:         * Claude Godart / Universite Henry Poincare
019:         * Florent Jouille / INRIA
020:         * Sebastien Jourdain / INRIA / Artenum
021:         * Yves Lerumeur / Artenum
022:         * Pascal Molli / Universite Henry Poincare
023:         * Gerald Oster / INRIA
024:         * Mariarosa Penzi / Artenum
025:         * Gerard Sookahet / Artenum
026:         * Raphael Tani / INRIA
027:         *
028:         * Contributors :
029:         *
030:         * Stephane Bagnier / Artenum
031:         * Amadou Dia / Artenum-IUP Blois
032:         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
033:         */package org.libresource.web.config;
034:
035:        import org.jaxen.XPath;
036:
037:        import org.jaxen.dom.DOMXPath;
038:
039:        import org.libresource.Libresource;
040:        import org.libresource.LibresourceResourceValue;
041:
042:        import org.libresource.core.CoreConstants;
043:        import org.libresource.core.interfaces.LibresourceCoreService;
044:
045:        import org.libresource.kernel.KernelConstants;
046:        import org.libresource.kernel.interfaces.KernelService;
047:
048:        import org.libresource.membership.MembershipConstants;
049:        import org.libresource.membership.ejb.model.ProfileResourceValue;
050:        import org.libresource.membership.interfaces.MembershipService;
051:
052:        import org.libresource.web.Controller;
053:        import org.libresource.web.NoControllerFound;
054:        import org.libresource.web.Skin;
055:        import org.libresource.web.Tab;
056:
057:        import org.w3c.dom.Attr;
058:        import org.w3c.dom.Document;
059:        import org.w3c.dom.Element;
060:
061:        import java.io.File;
062:        import java.io.FileInputStream;
063:        import java.io.InputStream;
064:
065:        import java.net.URI;
066:
067:        import java.util.ArrayList;
068:        import java.util.Collection;
069:        import java.util.Hashtable;
070:        import java.util.Iterator;
071:        import java.util.Locale;
072:        import java.util.TimeZone;
073:        import java.util.Vector;
074:
075:        import javax.servlet.ServletContext;
076:
077:        import javax.xml.parsers.DocumentBuilderFactory;
078:
079:        public class Config {
080:            private static Config instance;
081:            private Document document = null;
082:            private ServletContext servletContext;
083:            private KernelService kernelService;
084:            private MembershipService membershipService;
085:            private LibresourceCoreService libresourceCoreService;
086:            private Hashtable controllers = new Hashtable();
087:            private Hashtable types = new Hashtable();
088:            private Hashtable names = new Hashtable();
089:            private Vector skins;
090:            private Hashtable skinsWithKey;
091:            private Vector langs;
092:            private Hashtable langsWithKey;
093:            private Vector units;
094:            private Vector additionalTab;
095:
096:            // resource macro cycle detection
097:            private String wikiChain;
098:
099:            private Config(ServletContext context) throws Exception {
100:                this .servletContext = context;
101:
102:                if (context != null) {
103:                    String specificConf = Libresource
104:                            .getLibresourceConfiguration("libresource.web.conf");
105:
106:                    if ((specificConf == null)
107:                            || (specificConf.trim().length() == 0)
108:                            || !new File(specificConf).exists()) {
109:                        // Standard mode no custom config
110:                        InputStream is = context
111:                                .getResourceAsStream("/WEB-INF/libresource-web.xml");
112:                        document = DocumentBuilderFactory.newInstance()
113:                                .newDocumentBuilder().parse(is);
114:                        is.close();
115:                    } else {
116:                        // Custom config
117:                        InputStream is = new FileInputStream(specificConf);
118:                        document = DocumentBuilderFactory.newInstance()
119:                                .newDocumentBuilder().parse(is);
120:                        is.close();
121:                    }
122:                }
123:
124:                kernelService = (KernelService) Libresource
125:                        .getService(KernelConstants.SERVICE);
126:                membershipService = (MembershipService) Libresource
127:                        .getService(MembershipConstants.SERVICE);
128:                libresourceCoreService = (LibresourceCoreService) Libresource
129:                        .getService(CoreConstants.SERVICE);
130:            }
131:
132:            public synchronized static Config getInstance(ServletContext context)
133:                    throws Exception {
134:                if (instance == null) {
135:                    instance = new Config(context);
136:                }
137:
138:                return instance;
139:            }
140:
141:            public Controller getController(LibresourceResourceValue resource,
142:                    String action) throws Exception {
143:                String service = "*";
144:                String type = "*";
145:
146:                if ((resource != null) && !resource.getIsEmpty()) {
147:                    service = resource.getLibresourceResourceIdentifier()
148:                            .getService();
149:                    type = resource.getLibresourceResourceIdentifier()
150:                            .getResourceType();
151:                }
152:
153:                if (controllers.get(service + "/" + type + "/" + action) != null) {
154:                    return (Controller) controllers.get(service + "/" + type
155:                            + "/" + action);
156:                }
157:
158:                XPath xpath = new DOMXPath("//resource[@type='" + type
159:                        + "'][@service='" + service + "']/action[@name='"
160:                        + action + "']/@controller");
161:                ArrayList al = (ArrayList) xpath.evaluate(document);
162:                String className = null;
163:
164:                if (al.size() > 0) {
165:                    className = ((Attr) al.get(0)).getNodeValue();
166:                } else {
167:                    xpath = new DOMXPath(
168:                            "//resource[@type='*'][@service='*']/action[@name='"
169:                                    + action + "']/@controller");
170:                    al = (ArrayList) xpath.evaluate(document);
171:
172:                    if (al.size() > 0) {
173:                        className = ((Attr) (al).get(0)).getNodeValue();
174:                    }
175:                }
176:
177:                if (className == null) {
178:                    throw new NoControllerFound(
179:                            "No controller found for action " + action
180:                                    + " with resource " + resource);
181:                }
182:
183:                Controller c = (Controller) Class.forName(className)
184:                        .newInstance();
185:                controllers.put(service + "/" + type + "/" + action, c);
186:
187:                return c;
188:            }
189:
190:            public String getResourceType(LibresourceResourceValue resource)
191:                    throws Exception {
192:                String service = resource.getLibresourceResourceIdentifier()
193:                        .getService();
194:                String type = resource.getLibresourceResourceIdentifier()
195:                        .getResourceType();
196:
197:                if (types.get(service + "/" + type) != null) {
198:                    return (String) types.get(service + "/" + type);
199:                }
200:
201:                XPath xpath = new DOMXPath("//resource[@type='" + type
202:                        + "'][@service='" + service + "']/@key");
203:                ArrayList al = (ArrayList) xpath.evaluate(document);
204:                String className = null;
205:
206:                if (al.size() > 0) {
207:                    String r = ((Attr) al.get(0)).getNodeValue();
208:                    types.put(service + "/" + type, r);
209:
210:                    return r;
211:                }
212:
213:                types.put(service + "/" + type, "Generic");
214:
215:                return "Generic";
216:            }
217:
218:            public String getResourceTypeName(LibresourceResourceValue resource)
219:                    throws Exception {
220:                String service = resource.getLibresourceResourceIdentifier()
221:                        .getService();
222:                String type = resource.getLibresourceResourceIdentifier()
223:                        .getResourceType();
224:
225:                if (names.get(service + "/" + type) != null) {
226:                    return (String) names.get(service + "/" + type);
227:                }
228:
229:                XPath xpath = new DOMXPath("//resource[@type='" + type
230:                        + "'][@service='" + service + "']/@name");
231:                ArrayList al = (ArrayList) xpath.evaluate(document);
232:                String className = null;
233:
234:                if (al.size() > 0) {
235:                    String r = ((Attr) al.get(0)).getNodeValue();
236:                    names.put(service + "/" + type, r);
237:
238:                    return r;
239:                }
240:
241:                names.put(service + "/" + type, "Generic");
242:
243:                return "Generic";
244:            }
245:
246:            public String getResourceTypeName(String key) throws Exception {
247:                XPath xpath = new DOMXPath("//resource[@key='" + key
248:                        + "']/@name");
249:                ArrayList al = (ArrayList) xpath.evaluate(document);
250:                String className = null;
251:
252:                if (al.size() > 0) {
253:                    String r = ((Attr) al.get(0)).getNodeValue();
254:
255:                    return r;
256:                }
257:
258:                return null;
259:            }
260:
261:            public Collection listResourceTypeForCreation() throws Exception {
262:                XPath xpath = new DOMXPath(
263:                        "//resource[action/@name='create']/@key");
264:                ArrayList al = (ArrayList) xpath.evaluate(document);
265:                Vector result = new Vector();
266:
267:                for (Iterator i = al.iterator(); i.hasNext();) {
268:                    String key = ((Attr) i.next()).getNodeValue();
269:                    result.add(key);
270:                }
271:
272:                return result;
273:            }
274:
275:            public Collection listResourceTypeForSearchFilter()
276:                    throws Exception {
277:                Collection result = listResourceTypeForCreation();
278:                result.add("Profile");
279:
280:                return result;
281:            }
282:
283:            public Controller getCreateController(String type) throws Exception {
284:                XPath xpath = new DOMXPath("//resource[@key='" + type
285:                        + "']/action[@name='create']/@controller");
286:                ArrayList al = (ArrayList) xpath.evaluate(document);
287:                String className = null;
288:
289:                if (al.size() > 0) {
290:                    className = ((Attr) al.get(0)).getNodeValue();
291:                }
292:
293:                if (className == null) {
294:                    throw new Exception("No controller found");
295:                }
296:
297:                return (Controller) Class.forName(className).newInstance();
298:            }
299:
300:            public Vector listSkins() throws Exception {
301:                if (skins == null) {
302:                    skins = new Vector();
303:                    skinsWithKey = new Hashtable();
304:
305:                    XPath xpath = new DOMXPath("//skin");
306:                    ArrayList al = (ArrayList) xpath.evaluate(document);
307:
308:                    for (Iterator i = al.iterator(); i.hasNext();) {
309:                        Element element = (Element) i.next();
310:                        Skin skin = new Skin(element.getAttribute("key"),
311:                                element.getAttribute("name"), element
312:                                        .getAttribute("css"), element
313:                                        .getAttribute("platforms"));
314:                        skins.add(skin);
315:                        skinsWithKey.put(skin.getKey(), skin);
316:                    }
317:                }
318:
319:                return skins;
320:            }
321:
322:            public Skin getSkin(String key) throws Exception {
323:                listSkins();
324:
325:                return (Skin) skinsWithKey.get(key);
326:            }
327:
328:            public Vector listLangs() throws Exception {
329:                if (langs == null) {
330:                    langs = new Vector();
331:                    langsWithKey = new Hashtable();
332:
333:                    XPath xpath = new DOMXPath("//lang");
334:                    ArrayList al = (ArrayList) xpath.evaluate(document);
335:
336:                    for (Iterator i = al.iterator(); i.hasNext();) {
337:                        Element element = (Element) i.next();
338:                        String[] lang = new String[2];
339:                        lang[0] = element.getAttribute("key");
340:                        lang[1] = element.getAttribute("name");
341:                        langs.add(lang);
342:                        langsWithKey.put(element.getAttribute("key"), element
343:                                .getAttribute("name"));
344:                    }
345:                }
346:
347:                return langs;
348:            }
349:
350:            public String getLang(String key) throws Exception {
351:                listLangs();
352:
353:                return (String) langsWithKey.get(key);
354:            }
355:
356:            public Locale getLocale() throws Exception {
357:                String locale = null;
358:                ProfileResourceValue profile = null;
359:
360:                try {
361:                    profile = membershipService.getProfile();
362:                } catch (Exception e) {
363:                }
364:
365:                if (profile != null) {
366:                    locale = (String) profile.getInfos().get(
367:                            "libresource-web.lang");
368:                }
369:
370:                if ((locale == null) || (locale.trim().length() == 0)) {
371:                    locale = "en";
372:                }
373:
374:                return new Locale(locale);
375:            }
376:
377:            public String getTimeZone() throws Exception {
378:                String timeZone = null;
379:                ProfileResourceValue profile = null;
380:
381:                try {
382:                    profile = membershipService.getProfile();
383:                } catch (Exception e) {
384:                }
385:
386:                if (profile != null) {
387:                    timeZone = (String) profile.getInfos().get(
388:                            "libresource-web.time-zone");
389:                }
390:
391:                if ((timeZone == null) || (timeZone.trim().length() == 0)) {
392:                    timeZone = TimeZone.getDefault().getID();
393:                }
394:
395:                return timeZone;
396:            }
397:
398:            public Vector listUnits() throws Exception {
399:                if (units == null) {
400:                    units = new Vector();
401:
402:                    String[] octet = new String[2];
403:                    octet[0] = "Octet";
404:                    octet[1] = "o";
405:                    units.add(octet);
406:
407:                    String[] bytes = new String[2];
408:                    bytes[0] = "Byte";
409:                    bytes[1] = "B";
410:                    units.add(bytes);
411:                }
412:
413:                return units;
414:            }
415:
416:            public File getLsWebBuffer() throws Exception {
417:                return new File(libresourceCoreService
418:                        .getDistributedFileSystem());
419:            }
420:
421:            public boolean canRegisterUser() throws Exception {
422:                if (kernelService.isSuperUser()) {
423:                    return true;
424:                }
425:
426:                // get property
427:                String registerProperty = kernelService.getProperty(
428:                        kernelService.getServerConfigURI(), "register-users");
429:
430:                if ((registerProperty == null)
431:                        || (registerProperty.trim().length() == 0)) {
432:                    return false;
433:                }
434:
435:                URI allowedUsers = new URI(registerProperty);
436:
437:                if (allowedUsers.getPath().equals(
438:                        new URI(membershipService.getUsersRootURI() + "/"
439:                                + membershipService.getUnauthentifiedUserId())
440:                                .getPath())) {
441:                    return true;
442:                }
443:
444:                try {
445:                    membershipService.getGroup(allowedUsers);
446:
447:                    if (membershipService.isUserInGroup(allowedUsers,
448:                            kernelService.getConnectedResource())) {
449:                        return true;
450:                    }
451:                } catch (Exception e) {
452:                    return false;
453:                }
454:
455:                return false;
456:            }
457:
458:            public String getWkiHelp() throws Exception {
459:                StringBuffer wikiHelp = new StringBuffer();
460:                wikiHelp.append("1 Wiki Syntax\n\n");
461:                wikiHelp.append("1.1 Simple text filters\n\n");
462:                wikiHelp.append("{table}\n");
463:                wikiHelp.append("Mnemonic|Rendering|Comment\n");
464:                wikiHelp
465:                        .append("1 Title| |a style 1 heading (major heading)\n");
466:                wikiHelp
467:                        .append("1.1 Title| |a style 1.1 heading (minor heading)\n");
468:                wikiHelp
469:                        .append("- text| |a list item (with -), several lines create a single list\n");
470:                wikiHelp.append("* text| |a list item (with *)\n");
471:                wikiHelp.append("1. text| |an enumerated list\n");
472:                wikiHelp.append("\\_\\_bold\\_\\_|__bold__|simple bold text\n");
473:                wikiHelp
474:                        .append("\\~\\~italics\\~\\~|~~italics~~|simple italic text\n");
475:                wikiHelp
476:                        .append("\\-\\-strike\\-\\-|--strike--|strike through text\n");
477:                wikiHelp.append("(empty line)| |produces a new paragraph\n");
478:                wikiHelp
479:                        .append("\\\\\\\\\\\\\\\\| |creates a line break, please use sparingly!\n");
480:                wikiHelp
481:                        .append("\\[/documentation\\] or \\[../documentation\\] or \\[/documentation\\|Doc\\]|Like a standard link|internal link to another document\n");
482:                wikiHelp
483:                        .append("http\\://www.libresource.org/|http://www.libresource.org/|creates a link to an external resource, special characters that come after the URL and are not part of it must be separated with a space.\n");
484:                wikiHelp
485:                        .append("\\\\\\\\X|X|escape special character X (i.e. \\{)\n");
486:                wikiHelp.append("\\-\\-\\-\\-| |creates a horizontal rule\n");
487:                wikiHelp.append("{table}\n\n");
488:
489:                wikiHelp.append("1.1 Macros List\n\n");
490:                wikiHelp
491:                        .append("__Macro syntaxe:__ \\{macroName:key1=param1|key2=param2|...\\}\n\n");
492:                wikiHelp.append("{list-of-macros}\n\n");
493:
494:                wikiHelp.append("1.1 Smiley\n");
495:                wikiHelp.append("{table}\n");
496:                wikiHelp
497:                        .append(":-) | :-( | ;-) | :-P | :-D | :-[ | :-/  | :-* | >:o | 8-) | :-$ | :-! | :'( | :-X  =-O \n");
498:                wikiHelp
499:                        .append("\\:\\-) | \\:-( | \\;\\-) | \\:-P | \\:-D | \\:-[ | \\:-/  | \\:-* | \\>\\:o | \\8\\-) | \\:-$ | \\:-! | \\:'( | \\:-X      \\=-O\n");
500:                wikiHelp.append("{table}\n\n");
501:
502:                return wikiHelp.toString();
503:            }
504:
505:            public ServletContext getServletContext() {
506:                return servletContext;
507:            }
508:
509:            // resource macro cycle detection
510:            public synchronized String getWikiChain() {
511:                return wikiChain;
512:            }
513:
514:            public synchronized void setWikiChain(String wikiChain) {
515:                this .wikiChain = wikiChain;
516:            }
517:
518:            // Custom web add-on
519:            public Collection getAdditionalTab() throws Exception {
520:                if (additionalTab == null) {
521:                    additionalTab = new Vector();
522:
523:                    XPath xpath = new DOMXPath("//tab");
524:                    ArrayList al = (ArrayList) xpath.evaluate(document);
525:
526:                    for (Iterator i = al.iterator(); i.hasNext();) {
527:                        Element element = (Element) i.next();
528:                        Tab tab = new Tab(element.getAttribute("path"), element
529:                                .getAttribute("label"));
530:                        additionalTab.add(tab);
531:                    }
532:                }
533:
534:                return additionalTab;
535:            }
536:        }
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