Source Code Cross Referenced for HostController.java in  » EJB-Server-resin-3.1.5 » resin » com » caucho » server » host » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » EJB Server resin 3.1.5 » resin » com.caucho.server.host 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
003:         *
004:         * This file is part of Resin(R) Open Source
005:         *
006:         * Each copy or derived work must preserve the copyright notice and this
007:         * notice unmodified.
008:         *
009:         * Resin Open Source is free software; you can redistribute it and/or modify
010:         * it under the terms of the GNU General Public License as published by
011:         * the Free Software Foundation; either version 2 of the License, or
012:         * (at your option) any later version.
013:         *
014:         * Resin Open Source is distributed in the hope that it will be useful,
015:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
016:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
017:         * of NON-INFRINGEMENT.  See the GNU General Public License for more
018:         * details.
019:         *
020:         * You should have received a copy of the GNU General Public License
021:         * along with Resin Open Source; if not, write to the
022:         *
023:         *   Free Software Foundation, Inc.
024:         *   59 Temple Place, Suite 330
025:         *   Boston, MA 02111-1307  USA
026:         *
027:         * @author Scott Ferguson
028:         */
029:
030:        package com.caucho.server.host;
031:
032:        import com.caucho.config.ConfigException;
033:        import com.caucho.config.types.PathBuilder;
034:        import com.caucho.el.EL;
035:        import com.caucho.log.Log;
036:        import com.caucho.management.server.HostMXBean;
037:        import com.caucho.server.deploy.DeployController;
038:        import com.caucho.server.deploy.DeployControllerAdmin;
039:        import com.caucho.server.deploy.EnvironmentDeployController;
040:        import com.caucho.server.e_app.EarConfig;
041:        import com.caucho.server.webapp.WebAppConfig;
042:        import com.caucho.util.L10N;
043:        import com.caucho.vfs.Depend;
044:        import com.caucho.vfs.Dependency;
045:        import com.caucho.vfs.Path;
046:        import com.caucho.vfs.Vfs;
047:        import com.caucho.webbeans.manager.*;
048:
049:        import java.util.ArrayList;
050:        import java.util.HashMap;
051:        import java.util.Map;
052:        import java.util.logging.Level;
053:        import java.util.logging.Logger;
054:        import java.util.regex.Matcher;
055:        import java.util.regex.Pattern;
056:        import javax.webbeans.*;
057:
058:        /**
059:         * A configuration entry for a host
060:         */
061:        public class HostController extends
062:                EnvironmentDeployController<Host, HostConfig> {
063:            private static final Logger log = Logger
064:                    .getLogger(HostController.class.getName());
065:            private static final L10N L = new L10N(HostController.class);
066:
067:            private HostContainer _container;
068:
069:            // The host name is the canonical name
070:            private String _hostName;
071:            // The regexp name is the matching name of the regexp
072:            private String _regexpName;
073:
074:            private Pattern _regexp;
075:            private String _rootDirectoryPattern;
076:
077:            // Any host aliases.
078:            private ArrayList<String> _entryHostAliases = new ArrayList<String>();
079:            private ArrayList<Pattern> _entryHostAliasRegexps = new ArrayList<Pattern>();
080:
081:            private ArrayList<String> _hostAliases = new ArrayList<String>();
082:
083:            // The host variables.
084:            private final Var _hostVar = new Var();
085:            private final HostAdmin _admin = new HostAdmin(this );
086:
087:            private ArrayList<Dependency> _dependList = new ArrayList<Dependency>();
088:
089:            HostController(String id, HostConfig config,
090:                    HostContainer container, Map<String, Object> varMap) {
091:                super (id, config);
092:
093:                setHostName(id);
094:
095:                if (varMap != null)
096:                    getVariableMap().putAll(varMap);
097:
098:                getVariableMap().put("host", _hostVar);
099:
100:                setContainer(container);
101:
102:                setRootDirectory(config
103:                        .calculateRootDirectory(getVariableMap()));
104:            }
105:
106:            HostController(String id, Path rootDirectory,
107:                    HostContainer container) {
108:                super (id, rootDirectory);
109:
110:                addHostAlias(id);
111:                setHostName(id);
112:
113:                getVariableMap().put("name", id);
114:                getVariableMap().put("host", _hostVar);
115:
116:                setContainer(container);
117:            }
118:
119:            public void setContainer(HostContainer container) {
120:                _container = container;
121:
122:                if (_container != null) {
123:                    for (HostConfig defaultConfig : _container
124:                            .getHostDefaultList())
125:                        addConfigDefault(defaultConfig);
126:                }
127:            }
128:
129:            /**
130:             * Returns the Resin host name.
131:             */
132:            public String getName() {
133:                String name = super .getId();
134:
135:                if (name != null)
136:                    return name;
137:                else
138:                    return getHostName();
139:            }
140:
141:            /**
142:             * Returns the host's canonical name
143:             */
144:            public String getHostName() {
145:                return _hostName;
146:            }
147:
148:            /**
149:             * Sets the host's canonical name
150:             */
151:            public void setHostName(String name) {
152:                if (name != null)
153:                    name = name.trim();
154:
155:                if (name == null || name.equals("*"))
156:                    name = "";
157:
158:                name = name.toLowerCase();
159:
160:                _hostName = name;
161:            }
162:
163:            /**
164:             * Returns the host's canonical name
165:             */
166:            public void setRegexpName(String name) {
167:                _regexpName = name.toLowerCase();
168:            }
169:
170:            /**
171:             * Adds a host alias.
172:             */
173:            public void addHostAlias(String name) {
174:                if (name != null)
175:                    name = name.trim();
176:
177:                if (name == null || name.equals("*"))
178:                    name = ""; // XXX: default?
179:
180:                name = name.toLowerCase();
181:
182:                if (!_entryHostAliases.contains(name))
183:                    _entryHostAliases.add(name);
184:
185:                addExtHostAlias(name);
186:            }
187:
188:            /**
189:             * Adds an extension host alias, e.g. from a resin:import
190:             */
191:            public void addExtHostAlias(String name) {
192:                if (!_hostAliases.contains(name))
193:                    _hostAliases.add(name);
194:            }
195:
196:            /**
197:             * Returns the host aliases.
198:             */
199:            public ArrayList<String> getHostAliases() {
200:                return _hostAliases;
201:            }
202:
203:            /**
204:             * Sets the regexp pattern
205:             */
206:            public void setRegexp(Pattern regexp) {
207:                _regexp = regexp;
208:            }
209:
210:            /**
211:             * Sets the root directory pattern
212:             */
213:            public void setRootDirectoryPattern(String rootDirectoryPattern) {
214:                _rootDirectoryPattern = rootDirectoryPattern;
215:            }
216:
217:            /**
218:             * Adds a dependent file.
219:             */
220:            public void addDepend(Path depend) {
221:                if (!_dependList.contains(depend))
222:                    _dependList.add(new Depend(depend));
223:            }
224:
225:            /**
226:             * Returns the host admin.
227:             */
228:            public HostMXBean getAdmin() {
229:                return _admin;
230:            }
231:
232:            /**
233:             * Returns the deploy admin.
234:             */
235:            protected DeployControllerAdmin getDeployAdmin() {
236:                return _admin;
237:            }
238:
239:            /**
240:             * Initialize the entry.
241:             */
242:            protected void initBegin() {
243:                try {
244:                    try {
245:                        if (getConfig() == null || getHostName() != null) {
246:                        } else if (getConfig().getHostName() != null)
247:                            setHostName(EL.evalString(
248:                                    getConfig().getHostName(), EL
249:                                            .getEnvironment()));
250:                    } catch (Exception e) {
251:                        log.log(Level.WARNING, e.toString(), e);
252:                    }
253:
254:                    if (_regexpName != null && _hostName == null)
255:                        _hostName = _regexpName;
256:
257:                    if (_hostName == null)
258:                        _hostName = "";
259:
260:                    ArrayList<String> aliases = null;
261:
262:                    if (getConfig() != null) {
263:                        aliases = getConfig().getHostAliases();
264:
265:                        _entryHostAliasRegexps.addAll(getConfig()
266:                                .getHostAliasRegexps());
267:                    }
268:
269:                    for (int i = 0; aliases != null && i < aliases.size(); i++) {
270:                        String alias = aliases.get(i);
271:
272:                        alias = EL.evalString(alias, EL.getEnvironment());
273:
274:                        addHostAlias(alias);
275:                    }
276:                } catch (Exception e) {
277:                    log.log(Level.WARNING, e.toString(), e);
278:                }
279:
280:                super .initBegin();
281:            }
282:
283:            /**
284:             * Returns the "name" property.
285:             */
286:            protected String getMBeanId() {
287:                String name = _hostName;
288:
289:                if (name == null)
290:                    name = "";
291:                else if (name.indexOf(':') >= 0)
292:                    name = name.replace(':', '-');
293:
294:                if (name.equals(""))
295:                    return "default";
296:                else
297:                    return name;
298:            }
299:
300:            /**
301:             * Returns true for a matching name.
302:             */
303:            public boolean isNameMatch(String name) {
304:                if (_hostName.equalsIgnoreCase(name))
305:                    return true;
306:
307:                for (int i = _hostAliases.size() - 1; i >= 0; i--) {
308:                    if (name.equalsIgnoreCase(_hostAliases.get(i)))
309:                        return true;
310:                }
311:
312:                for (int i = _entryHostAliasRegexps.size() - 1; i >= 0; i--) {
313:                    Pattern alias = _entryHostAliasRegexps.get(i);
314:
315:                    if (alias.matcher(name).find())
316:                        return true;
317:                }
318:
319:                if (_regexp != null) {
320:                    // server/0523
321:
322:                    Matcher matcher = _regexp.matcher(name);
323:
324:                    if (matcher.matches()) {
325:                        Path rootDirectory = calculateRoot(matcher);
326:
327:                        if (getRootDirectory().equals(rootDirectory))
328:                            return true;
329:                    }
330:                }
331:
332:                return false;
333:            }
334:
335:            private Path calculateRoot(Matcher matcher) {
336:                // XXX: duplicates HostRegexp
337:
338:                Thread thread = Thread.currentThread();
339:                ClassLoader oldLoader = thread.getContextClassLoader();
340:
341:                try {
342:                    thread.setContextClassLoader(getParentClassLoader());
343:
344:                    if (_rootDirectoryPattern == null) {
345:                        // server/129p
346:                        return Vfs.lookup();
347:                    }
348:
349:                    int length = matcher.end() - matcher.start();
350:
351:                    ArrayList<String> vars = new ArrayList<String>();
352:
353:                    HashMap<String, Object> varMap = new HashMap<String, Object>();
354:
355:                    for (int j = 0; j <= matcher.groupCount(); j++) {
356:                        vars.add(matcher.group(j));
357:                        varMap.put("host" + j, matcher.group(j));
358:                    }
359:
360:                    varMap.put("regexp", vars);
361:                    varMap.put("host", new TestVar(matcher.group(0), vars));
362:
363:                    Path path = PathBuilder.lookupPath(_rootDirectoryPattern,
364:                            varMap);
365:
366:                    return path;
367:                } catch (Exception e) {
368:                    log.log(Level.FINE, e.toString(), e);
369:
370:                    // XXX: not quite right
371:                    return Vfs.lookup(_rootDirectoryPattern);
372:                } finally {
373:                    thread.setContextClassLoader(oldLoader);
374:                }
375:            }
376:
377:            /**
378:             * Merges two entries.
379:             */
380:            protected HostController merge(HostController newController) {
381:                if (getConfig() != null && getConfig().getRegexp() != null)
382:                    return newController;
383:                else if (newController.getConfig() != null
384:                        && newController.getConfig().getRegexp() != null)
385:                    return this ;
386:                else {
387:                    Thread thread = Thread.currentThread();
388:                    ClassLoader oldLoader = thread.getContextClassLoader();
389:
390:                    try {
391:                        thread.setContextClassLoader(getParentClassLoader());
392:
393:                        HostController mergedController = new HostController(
394:                                newController.getHostName(),
395:                                getRootDirectory(), _container);
396:
397:                        mergedController.mergeController(this );
398:                        mergedController.mergeController(newController);
399:
400:                        if (!getHostName().equals(newController.getHostName())) {
401:                            ConfigException e;
402:
403:                            e = new ConfigException(
404:                                    L
405:                                            .l(
406:                                                    "Illegal merge of {0} and {1}.  Both hosts have the same root-directory '{2}'.",
407:                                                    getHostName(),
408:                                                    newController.getHostName(),
409:                                                    getRootDirectory()));
410:
411:                            log.warning(e.getMessage());
412:                            log.log(Level.FINEST, e.toString(), e);
413:
414:                            mergedController.setConfigException(e);
415:                        }
416:
417:                        return mergedController;
418:                    } catch (Throwable e) {
419:                        log.log(Level.FINE, e.toString(), e);
420:
421:                        return null;
422:                    } finally {
423:                        thread.setContextClassLoader(oldLoader);
424:                    }
425:                }
426:            }
427:
428:            /**
429:             * Merges with the old controller.
430:             */
431:            protected void mergeController(DeployController oldControllerV) {
432:                super .mergeController(oldControllerV);
433:
434:                HostController oldController = (HostController) oldControllerV;
435:
436:                _entryHostAliases.addAll(oldController._entryHostAliases);
437:                if (!oldController.getHostName().equals(""))
438:                    _entryHostAliases.add(oldController.getHostName());
439:                _entryHostAliasRegexps
440:                        .addAll(oldController._entryHostAliasRegexps);
441:                _hostAliases.addAll(oldController._hostAliases);
442:
443:                if (_regexp == null) {
444:                    _regexp = oldController._regexp;
445:                    _rootDirectoryPattern = oldController._rootDirectoryPattern;
446:                }
447:            }
448:
449:            /**
450:             * Creates a new instance of the host object.
451:             */
452:            protected Host instantiateDeployInstance() {
453:                return new Host(_container, this , _hostName);
454:            }
455:
456:            /**
457:             * Creates the host.
458:             */
459:            protected void configureInstance(Host host) throws Throwable {
460:                _hostAliases.clear();
461:                _hostAliases.addAll(_entryHostAliases);
462:
463:                WebBeansContainer webBeans = WebBeansContainer.create();
464:                //webBeans.addSingleton(_hostVar, "host", Standard.class);
465:
466:                for (Map.Entry<String, Object> entry : getVariableMap()
467:                        .entrySet()) {
468:                    Object value = entry.getValue();
469:
470:                    if (value != null)
471:                        webBeans.addSingleton(value, entry.getKey(),
472:                                Standard.class);
473:                }
474:                // getVariableMap().put("host-root", getRootDirectory());
475:
476:                if (_container != null) {
477:                    for (EarConfig config : _container.getEarDefaultList())
478:                        host.addEarDefault(config);
479:
480:                    for (WebAppConfig config : _container
481:                            .getWebAppDefaultList())
482:                        host.addWebAppDefault(config);
483:                }
484:
485:                super .configureInstance(host);
486:            }
487:
488:            protected void extendJMXContext(Map<String, String> context) {
489:                context.put("Host", getMBeanId());
490:            }
491:
492:            /**
493:             * Returns the appropriate log for debugging.
494:             */
495:            protected Logger getLog() {
496:                return log;
497:            }
498:
499:            /**
500:             * Returns equality.
501:             */
502:            public boolean equals(Object o) {
503:                if (!(o instanceof  HostController))
504:                    return false;
505:
506:                HostController entry = (HostController) o;
507:
508:                return _hostName.equals(entry._hostName);
509:            }
510:
511:            /**
512:             * Returns a printable view.
513:             */
514:            public String toString() {
515:                return "HostController[" + getName() + "]";
516:            }
517:
518:            /**
519:             * EL variables for the host.
520:             */
521:            public class Var {
522:                public String getName() {
523:                    return HostController.this .getName();
524:                }
525:
526:                public String getHostName() {
527:                    return HostController.this .getHostName();
528:                }
529:
530:                public String getUrl() {
531:                    Host host = getDeployInstance();
532:
533:                    if (host != null)
534:                        return host.getURL();
535:                    else if (_hostName.equals(""))
536:                        return "";
537:                    else if (_hostName.startsWith("http:")
538:                            || _hostName.startsWith("https:"))
539:                        return _hostName;
540:                    else
541:                        return "http://" + _hostName;
542:                }
543:
544:                public ArrayList getRegexp() {
545:                    return (ArrayList) getVariableMap().get("regexp");
546:                }
547:
548:                public Path getRoot() {
549:                    Host host = getDeployInstance();
550:
551:                    if (host != null)
552:                        return host.getRootDirectory();
553:                    else
554:                        return HostController.this .getRootDirectory();
555:                }
556:
557:                /**
558:                 * @deprecated
559:                 */
560:                public Path getRootDir() {
561:                    return getRoot();
562:                }
563:
564:                /**
565:                 * @deprecated
566:                 */
567:                public Path getRootDirectory() {
568:                    return getRoot();
569:                }
570:
571:                public Path getDocumentDirectory() {
572:                    Host host = getDeployInstance();
573:
574:                    if (host != null)
575:                        return host.getDocumentDirectory();
576:                    else
577:                        return null;
578:                }
579:
580:                public Path getDocDir() {
581:                    return getDocumentDirectory();
582:                }
583:
584:                public Path getWarDirectory() {
585:                    Host host = getDeployInstance();
586:
587:                    if (host != null)
588:                        return host.getWarDir();
589:                    else
590:                        return null;
591:                }
592:
593:                public Path getWarDir() {
594:                    return getWarDirectory();
595:                }
596:
597:                public Path getWarExpandDirectory() {
598:                    Host host = getDeployInstance();
599:
600:                    if (host != null)
601:                        return host.getWarExpandDir();
602:                    else
603:                        return null;
604:                }
605:
606:                public Path getWarExpandDir() {
607:                    return getWarExpandDirectory();
608:                }
609:
610:                public String toString() {
611:                    return "Host[" + getId() + "]";
612:                }
613:            }
614:
615:            /**
616:             * EL variables for the host, when testing for regexp identity .
617:             */
618:            public class TestVar {
619:                private String _name;
620:                private ArrayList<String> _regexp;
621:
622:                TestVar(String name, ArrayList<String> regexp) {
623:                    _name = name;
624:                    _regexp = regexp;
625:                }
626:
627:                public String getName() {
628:                    return _name;
629:                }
630:
631:                public String getHostName() {
632:                    return _name;
633:                }
634:
635:                public ArrayList<String> getRegexp() {
636:                    // server/13t0
637:                    return _regexp;
638:                }
639:            }
640:        }
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