Source Code Cross Referenced for JndiEncBuilder.java in  » J2EE » openejb3 » org » apache » openejb » assembler » classic » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » J2EE » openejb3 » org.apache.openejb.assembler.classic 
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.  See the NOTICE file distributed with
004:         * this work for additional information regarding copyright ownership.
005:         * The ASF licenses this file to You under the Apache License, Version 2.0
006:         * (the "License"); you may not use this file except in compliance with
007:         * the License.  You may obtain a copy of the License at
008:         *
009:         *     http://www.apache.org/licenses/LICENSE-2.0
010:         *
011:         * Unless required by applicable law or agreed to in writing, software
012:         * distributed under the License is distributed on an "AS IS" BASIS,
013:         * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014:         * See the License for the specific language governing permissions and
015:         * limitations under the License.
016:         */package org.apache.openejb.assembler.classic;
017:
018:        import org.apache.openejb.Injection;
019:        import org.apache.openejb.OpenEJBException;
020:        import org.apache.openejb.spi.ContainerSystem;
021:        import org.apache.openejb.core.CoreUserTransaction;
022:        import org.apache.openejb.core.ivm.naming.CrossClassLoaderJndiReference;
023:        import org.apache.openejb.core.ivm.naming.IntraVmJndiReference;
024:        import org.apache.openejb.core.ivm.naming.IvmContext;
025:        import org.apache.openejb.core.ivm.naming.JaxWsServiceReference;
026:        import org.apache.openejb.core.ivm.naming.JndiReference;
027:        import org.apache.openejb.core.ivm.naming.JndiUrlReference;
028:        import org.apache.openejb.core.ivm.naming.NameNode;
029:        import org.apache.openejb.core.ivm.naming.ParsedName;
030:        import org.apache.openejb.core.ivm.naming.PersistenceContextReference;
031:        import org.apache.openejb.core.ivm.naming.Reference;
032:        import org.apache.openejb.core.ivm.naming.SystemComponentReference;
033:        import org.apache.openejb.core.ivm.naming.URLReference;
034:        import org.apache.openejb.core.webservices.HandlerChainData;
035:        import org.apache.openejb.core.webservices.PortRefData;
036:        import org.apache.openejb.core.webservices.ServiceRefData;
037:        import org.apache.openejb.loader.SystemInstance;
038:        import org.apache.openejb.persistence.JtaEntityManager;
039:        import org.apache.openejb.persistence.JtaEntityManagerRegistry;
040:        import org.apache.openejb.util.LogCategory;
041:        import org.apache.openejb.util.Logger;
042:        import org.apache.openejb.core.timer.TimerServiceWrapper;
043:        import org.apache.xbean.naming.context.WritableContext;
044:        import org.omg.CORBA.ORB;
045:
046:        import javax.ejb.EJBContext;
047:        import javax.ejb.TimerService;
048:        import javax.ejb.spi.HandleDelegate;
049:        import javax.naming.Context;
050:        import javax.naming.LinkRef;
051:        import javax.naming.Name;
052:        import javax.naming.NamingException;
053:        import javax.persistence.EntityManagerFactory;
054:        import javax.transaction.TransactionManager;
055:        import javax.transaction.TransactionSynchronizationRegistry;
056:        import javax.transaction.UserTransaction;
057:        import javax.xml.ws.Service;
058:        import javax.xml.ws.WebServiceContext;
059:        import java.net.MalformedURLException;
060:        import java.net.URI;
061:        import java.net.URISyntaxException;
062:        import java.net.URL;
063:        import java.util.HashMap;
064:        import java.util.Iterator;
065:        import java.util.List;
066:        import java.util.Map;
067:        import java.util.ArrayList;
068:
069:        /**
070:         * TODO: This class is essentially an over glorified sym-linker.  The names
071:         * we were linking to are no longer guaranteed to be what we assume them to
072:         * be.  We need to come up with a different internal naming structure for
073:         * the global JNDI and finally create the default which will be the default
074:         * symlinked version of all the components.
075:         */
076:        public class JndiEncBuilder {
077:            public static final Logger logger = Logger.getInstance(
078:                    LogCategory.OPENEJB_STARTUP, JndiEncBuilder.class
079:                            .getPackage().getName());
080:
081:            private final boolean beanManagedTransactions;
082:            private final JndiEncInfo jndiEnc;
083:            private final URI moduleUri;
084:            private final List<Injection> injections;
085:            private final ClassLoader classLoader;
086:
087:            private boolean useCrossClassLoaderRef = true;
088:            private boolean client = false;
089:
090:            public JndiEncBuilder(JndiEncInfo jndiEnc,
091:                    List<Injection> injections, String moduleId,
092:                    ClassLoader classLoader) throws OpenEJBException {
093:                this (jndiEnc, injections, null, moduleId, classLoader);
094:            }
095:
096:            public JndiEncBuilder(JndiEncInfo jndiEnc,
097:                    List<Injection> injections, String transactionType,
098:                    String moduleId, ClassLoader classLoader)
099:                    throws OpenEJBException {
100:                this .jndiEnc = jndiEnc;
101:                this .injections = injections;
102:                beanManagedTransactions = transactionType != null
103:                        && transactionType.equalsIgnoreCase("Bean");
104:
105:                try {
106:                    moduleUri = new URI(moduleId);
107:                } catch (URISyntaxException e) {
108:                    throw new OpenEJBException(e);
109:                }
110:                this .classLoader = classLoader;
111:            }
112:
113:            public boolean isUseCrossClassLoaderRef() {
114:                return useCrossClassLoaderRef;
115:            }
116:
117:            public void setUseCrossClassLoaderRef(boolean useCrossClassLoaderRef) {
118:                this .useCrossClassLoaderRef = useCrossClassLoaderRef;
119:            }
120:
121:            public boolean isClient() {
122:                return client;
123:            }
124:
125:            public void setClient(boolean client) {
126:                this .client = client;
127:            }
128:
129:            public Context build() throws OpenEJBException {
130:                Map<String, Object> bindings = buildMap();
131:
132:                Context context;
133:                if (System.getProperty("openejb.naming", "ivm").equals("xbean")) {
134:                    context = createXBeanWritableContext(bindings);
135:                } else {
136:                    context = createIvmContext();
137:
138:                    // bind the bindings
139:                    for (Iterator iterator = bindings.entrySet().iterator(); iterator
140:                            .hasNext();) {
141:                        Map.Entry entry = (Map.Entry) iterator.next();
142:                        String name = (String) entry.getKey();
143:                        Object value = entry.getValue();
144:                        if (value == null)
145:                            continue;
146:                        try {
147:                            context.bind(name, value);
148:                        } catch (NamingException e) {
149:                            throw new org.apache.openejb.SystemException(
150:                                    "Unable to bind '" + name
151:                                            + "' into bean's enc.", e);
152:                        }
153:                    }
154:                }
155:                return context;
156:            }
157:
158:            public Map<String, Object> buildMap() throws OpenEJBException {
159:                Map<String, Object> bindings = new HashMap<String, Object>();
160:
161:                // bind TransactionManager
162:                TransactionManager transactionManager = SystemInstance.get()
163:                        .getComponent(TransactionManager.class);
164:                bindings
165:                        .put("java:comp/TransactionManager", transactionManager);
166:
167:                // bind TransactionSynchronizationRegistry
168:                TransactionSynchronizationRegistry synchronizationRegistry = SystemInstance
169:                        .get().getComponent(
170:                                TransactionSynchronizationRegistry.class);
171:                bindings.put("java:comp/TransactionSynchronizationRegistry",
172:                        synchronizationRegistry);
173:
174:                bindings.put("java:comp/ORB", new SystemComponentReference(
175:                        ORB.class));
176:                bindings.put("java:comp/HandleDelegate",
177:                        new SystemComponentReference(HandleDelegate.class));
178:
179:                // get JtaEntityManagerRegistry
180:                JtaEntityManagerRegistry jtaEntityManagerRegistry = SystemInstance
181:                        .get().getComponent(JtaEntityManagerRegistry.class);
182:
183:                // bind UserTransaction if bean managed transactions
184:                UserTransaction userTransaction = null;
185:                if (beanManagedTransactions) {
186:                    userTransaction = new CoreUserTransaction(
187:                            transactionManager);
188:                    bindings.put("java:comp/UserTransaction", userTransaction);
189:                }
190:
191:                // bind TimerService
192:                bindings.put("java:comp/TimerService",
193:                        new TimerServiceWrapper());
194:
195:                for (EjbReferenceInfo referenceInfo : jndiEnc.ejbReferences) {
196:
197:                    Reference reference = null;
198:
199:                    if (referenceInfo.location != null) {
200:                        reference = buildReferenceLocation(referenceInfo.location);
201:                    } else if (referenceInfo.ejbDeploymentId == null) {
202:                        reference = new LazyEjbReference(
203:                                new Ref(referenceInfo), moduleUri,
204:                                useCrossClassLoaderRef);
205:                    } else {
206:                        String jndiName = "java:openejb/Deployment/"
207:                                + referenceInfo.ejbDeploymentId + "/"
208:                                + referenceInfo.interfaceType;
209:                        if (useCrossClassLoaderRef
210:                                && referenceInfo.externalReference) {
211:                            reference = new CrossClassLoaderJndiReference(
212:                                    jndiName);
213:                        } else {
214:                            reference = new IntraVmJndiReference(jndiName);
215:                        }
216:                    }
217:                    bindings.put(normalize(referenceInfo.referenceName),
218:                            reference);
219:                }
220:
221:                for (EjbReferenceInfo referenceInfo : jndiEnc.ejbLocalReferences) {
222:
223:                    Reference reference = null;
224:
225:                    if (referenceInfo.location != null) {
226:                        reference = buildReferenceLocation(referenceInfo.location);
227:                    } else if (referenceInfo.ejbDeploymentId == null) {
228:                        reference = new LazyEjbReference(
229:                                new Ref(referenceInfo), moduleUri, false);
230:                    } else {
231:                        String jndiName = "java:openejb/Deployment/"
232:                                + referenceInfo.ejbDeploymentId + "/"
233:                                + referenceInfo.interfaceType;
234:                        reference = new IntraVmJndiReference(jndiName);
235:                    }
236:                    bindings.put(normalize(referenceInfo.referenceName),
237:                            reference);
238:                }
239:
240:                for (EnvEntryInfo entry : jndiEnc.envEntries) {
241:
242:                    if (entry.location != null) {
243:                        Reference reference = buildReferenceLocation(entry.location);
244:                        bindings.put(normalize(entry.name), reference);
245:                        continue;
246:                    }
247:
248:                    try {
249:                        Class type = Class.forName(entry.type.trim());
250:                        Object obj = null;
251:                        if (type == String.class)
252:                            obj = new String(entry.value);
253:                        else if (type == Double.class) {
254:                            obj = new Double(entry.value);
255:                        } else if (type == Integer.class) {
256:                            obj = new Integer(entry.value);
257:                        } else if (type == Long.class) {
258:                            obj = new Long(entry.value);
259:                        } else if (type == Float.class) {
260:                            obj = new Float(entry.value);
261:                        } else if (type == Short.class) {
262:                            obj = new Short(entry.value);
263:                        } else if (type == Boolean.class) {
264:                            obj = new Boolean(entry.value);
265:                        } else if (type == Byte.class) {
266:                            obj = new Byte(entry.value);
267:                        } else if (type == Character.class) {
268:                            StringBuilder sb = new StringBuilder(entry.value
269:                                    + " ");
270:                            obj = new Character(sb.charAt(0));
271:                        } else if (type == URL.class) {
272:                            obj = new URL(entry.value);
273:                        } else {
274:                            throw new IllegalArgumentException(
275:                                    "Invalid env-ref-type " + type);
276:                        }
277:
278:                        bindings.put(normalize(entry.name), obj);
279:                    } catch (ClassNotFoundException e) {
280:                        throw new IllegalArgumentException(
281:                                "Invalid environment entry type: "
282:                                        + entry.type.trim() + " for entry: "
283:                                        + entry.name, e);
284:                    } catch (NumberFormatException e) {
285:                        throw new IllegalArgumentException(
286:                                "The env-entry-value for entry " + entry.name
287:                                        + " was not recognizable as type "
288:                                        + entry.type + ". Received Message: "
289:                                        + e.getLocalizedMessage(), e);
290:                    } catch (MalformedURLException e) {
291:                        throw new IllegalArgumentException("URL for reference "
292:                                + entry.name + " was not a valid URL: "
293:                                + entry.value, e);
294:                    }
295:                }
296:
297:                for (ResourceReferenceInfo referenceInfo : jndiEnc.resourceRefs) {
298:                    Reference reference = null;
299:
300:                    if ("java.net.URL".equals(referenceInfo.referenceType)) {
301:                        if (referenceInfo.location != null) {
302:                            reference = buildReferenceLocation(referenceInfo.location);
303:                        } else {
304:                            reference = new URLReference(
305:                                    referenceInfo.resourceID);
306:                        }
307:                    } else if (referenceInfo.location != null) {
308:                        reference = buildReferenceLocation(referenceInfo.location);
309:                    } else if (referenceInfo.resourceID != null) {
310:                        String jndiName = "java:openejb/Resource/"
311:                                + referenceInfo.resourceID;
312:                        reference = new IntraVmJndiReference(jndiName);
313:                    } else {
314:                        String jndiName = "java:openejb/Resource/"
315:                                + referenceInfo.referenceName;
316:                        reference = new IntraVmJndiReference(jndiName);
317:                    }
318:                    bindings.put(normalize(referenceInfo.referenceName),
319:                            reference);
320:                }
321:
322:                for (ResourceEnvReferenceInfo referenceInfo : jndiEnc.resourceEnvRefs) {
323:                    LinkRef linkRef = null;
324:                    try {
325:                        Class<?> type = Class.forName(
326:                                referenceInfo.resourceEnvRefType, true,
327:                                EJBContext.class.getClassLoader());
328:                        if (EJBContext.class.isAssignableFrom(type)) {
329:                            String jndiName = "java:comp/EJBContext";
330:                            linkRef = new LinkRef(jndiName);
331:                            bindings
332:                                    .put(
333:                                            normalize(referenceInfo.resourceEnvRefName),
334:                                            linkRef);
335:                            continue;
336:                        } else if (WebServiceContext.class.equals(type)) {
337:                            String jndiName = "java:comp/WebServiceContext";
338:                            linkRef = new LinkRef(jndiName);
339:                            bindings
340:                                    .put(
341:                                            normalize(referenceInfo.resourceEnvRefName),
342:                                            linkRef);
343:                            continue;
344:                        } else if (TimerService.class.equals(type)) {
345:                            String jndiName = "java:comp/TimerService";
346:                            linkRef = new LinkRef(jndiName);
347:                            bindings
348:                                    .put(
349:                                            normalize(referenceInfo.resourceEnvRefName),
350:                                            linkRef);
351:                            continue;
352:                        }
353:                    } catch (ClassNotFoundException e) {
354:                    }
355:
356:                    Object reference = null;
357:                    if (UserTransaction.class.getName().equals(
358:                            referenceInfo.resourceEnvRefType)) {
359:                        reference = userTransaction;
360:                    } else if (referenceInfo.location != null) {
361:                        reference = buildReferenceLocation(referenceInfo.location);
362:                    } else if (referenceInfo.resourceID != null) {
363:                        String jndiName = "java:openejb/Resource/"
364:                                + referenceInfo.resourceID;
365:                        reference = new IntraVmJndiReference(jndiName);
366:                    } else {
367:                        String jndiName = "java:openejb/Resource/"
368:                                + referenceInfo.resourceEnvRefName;
369:                        reference = new IntraVmJndiReference(jndiName);
370:                    }
371:                    if (reference != null) {
372:                        bindings.put(
373:                                normalize(referenceInfo.resourceEnvRefName),
374:                                reference);
375:                    }
376:                }
377:
378:                for (PersistenceUnitReferenceInfo referenceInfo : jndiEnc.persistenceUnitRefs) {
379:                    if (referenceInfo.location != null) {
380:                        Reference reference = buildReferenceLocation(referenceInfo.location);
381:                        bindings.put(normalize(referenceInfo.referenceName),
382:                                reference);
383:                        continue;
384:                    }
385:
386:                    String jndiName = "java:openejb/PersistenceUnit/"
387:                            + referenceInfo.unitId;
388:                    Reference reference = new IntraVmJndiReference(jndiName);
389:                    bindings.put(normalize(referenceInfo.referenceName),
390:                            reference);
391:                }
392:
393:                for (PersistenceContextReferenceInfo contextInfo : jndiEnc.persistenceContextRefs) {
394:                    if (contextInfo.location != null) {
395:                        Reference reference = buildReferenceLocation(contextInfo.location);
396:                        bindings.put(normalize(contextInfo.referenceName),
397:                                reference);
398:                        continue;
399:                    }
400:
401:                    Context context = SystemInstance.get().getComponent(
402:                            ContainerSystem.class).getJNDIContext();
403:                    EntityManagerFactory factory;
404:                    try {
405:                        factory = (EntityManagerFactory) context
406:                                .lookup("openejb/PersistenceUnit/"
407:                                        + contextInfo.unitId);
408:                    } catch (NamingException e) {
409:                        throw new OpenEJBException("PersistenceUnit '"
410:                                + contextInfo.unitId
411:                                + "' not found for EXTENDED ref '"
412:                                + contextInfo.referenceName + "'");
413:                    }
414:
415:                    JtaEntityManager jtaEntityManager = new JtaEntityManager(
416:                            jtaEntityManagerRegistry, factory,
417:                            contextInfo.properties, contextInfo.extended);
418:                    Reference reference = new PersistenceContextReference(
419:                            jtaEntityManager);
420:                    bindings.put(normalize(contextInfo.referenceName),
421:                            reference);
422:                }
423:
424:                for (ServiceReferenceInfo referenceInfo : jndiEnc.serviceRefs) {
425:                    if (referenceInfo.location != null) {
426:                        Reference reference = buildReferenceLocation(referenceInfo.location);
427:                        bindings.put(normalize(referenceInfo.referenceName),
428:                                reference);
429:                        continue;
430:                    }
431:
432:                    // load service class which is used to construct the port
433:                    Class<? extends Service> serviceClass = Service.class;
434:                    if (referenceInfo.serviceType != null) {
435:                        try {
436:                            serviceClass = classLoader.loadClass(
437:                                    referenceInfo.serviceType).asSubclass(
438:                                    Service.class);
439:                        } catch (Exception e) {
440:                            throw new OpenEJBException(
441:                                    "Could not load service type class "
442:                                            + referenceInfo.serviceType, e);
443:                        }
444:                    }
445:
446:                    // load the reference class which is the ultimate type of the port
447:                    Class<?> referenceClass = null;
448:                    if (referenceInfo.referenceType != null) {
449:                        try {
450:                            referenceClass = classLoader
451:                                    .loadClass(referenceInfo.referenceType);
452:                        } catch (Exception e) {
453:                            throw new OpenEJBException(
454:                                    "Could not load reference type class "
455:                                            + referenceInfo.referenceType, e);
456:                        }
457:                    }
458:
459:                    // if ref class is a subclass of Service, use it for the service class
460:                    if (referenceClass != null
461:                            && Service.class.isAssignableFrom(referenceClass)) {
462:                        serviceClass = referenceClass.asSubclass(Service.class);
463:                    }
464:
465:                    // determine the location of the wsdl file
466:                    URL wsdlUrl = null;
467:                    if (referenceInfo.wsdlFile != null) {
468:                        try {
469:                            wsdlUrl = new URL(referenceInfo.wsdlFile);
470:                        } catch (MalformedURLException e) {
471:                            wsdlUrl = classLoader
472:                                    .getResource(referenceInfo.wsdlFile);
473:                            if (wsdlUrl == null) {
474:                                logger.warning("Error obtaining WSDL: "
475:                                        + referenceInfo.wsdlFile, e);
476:                            }
477:
478:                        }
479:                    }
480:
481:                    // port refs
482:                    List<PortRefData> portRefs = new ArrayList<PortRefData>(
483:                            referenceInfo.portRefs.size());
484:                    for (PortRefInfo portRefInfo : referenceInfo.portRefs) {
485:                        PortRefData portRef = new PortRefData();
486:                        portRef.setQName(portRefInfo.qname);
487:                        portRef
488:                                .setServiceEndpointInterface(portRefInfo.serviceEndpointInterface);
489:                        portRef.setEnableMtom(portRefInfo.enableMtom);
490:                        portRef.getProperties().putAll(portRefInfo.properties);
491:                        portRefs.add(portRef);
492:                    }
493:
494:                    // create the handle chains
495:                    List<HandlerChainData> handlerChains = null;
496:                    if (!referenceInfo.handlerChains.isEmpty()) {
497:                        handlerChains = WsBuilder.toHandlerChainData(
498:                                referenceInfo.handlerChains, classLoader);
499:                    }
500:
501:                    if (!client) {
502:                        Reference reference = new JaxWsServiceReference(
503:                                referenceInfo.id, referenceInfo.serviceQName,
504:                                serviceClass, referenceInfo.portQName,
505:                                referenceClass, wsdlUrl, portRefs,
506:                                handlerChains, injections);
507:                        bindings.put(normalize(referenceInfo.referenceName),
508:                                reference);
509:                    } else {
510:                        ServiceRefData serviceRefData = new ServiceRefData(
511:                                referenceInfo.id, referenceInfo.serviceQName,
512:                                serviceClass, referenceInfo.portQName,
513:                                referenceClass, wsdlUrl, handlerChains,
514:                                portRefs);
515:                        bindings.put(normalize(referenceInfo.referenceName),
516:                                serviceRefData);
517:                    }
518:                }
519:                return bindings;
520:            }
521:
522:            private WritableContext createXBeanWritableContext(
523:                    Map<String, Object> bindings) {
524:                boolean hasEnv = false;
525:                for (String name : bindings.keySet()) {
526:                    if (name.startsWith("java:comp/env")) {
527:                        hasEnv = true;
528:                        break;
529:                    }
530:                }
531:                if (!hasEnv)
532:                    bindings.put("java:comp/env/dummy", "dummy");
533:
534:                WritableContext context = null;
535:                try {
536:                    context = new WritableContext("", bindings);
537:                } catch (NamingException e) {
538:                    throw new IllegalStateException(e);
539:                }
540:                return context;
541:            }
542:
543:            private IvmContext createIvmContext() {
544:                IvmContext context = new IvmContext(new NameNode(null,
545:                        new ParsedName("comp"), null, null));
546:                try {
547:                    context.createSubcontext("comp").createSubcontext("env");
548:                    // todo remove this... IvmContext seems to drop empty nodes
549:                    context.bind("java:comp/env/dummy", "dummy");
550:                } catch (NamingException e) {
551:                    throw new IllegalStateException(
552:                            "Unable to create subcontext 'java:comp/env'.  Exception:"
553:                                    + e.getMessage(), e);
554:                }
555:                return context;
556:            }
557:
558:            public static boolean bindingExists(Context context,
559:                    Name contextName) {
560:                try {
561:                    return context.lookup(contextName) != null;
562:                } catch (NamingException e) {
563:                }
564:                return false;
565:            }
566:
567:            private Reference buildReferenceLocation(
568:                    ReferenceLocationInfo location) {
569:                if (location.jndiProviderId != null) {
570:                    String subContextName = "java:openejb/remote_jndi_contexts/"
571:                            + location.jndiProviderId;
572:                    return new JndiReference(subContextName, location.jndiName);
573:                } else {
574:                    return new JndiUrlReference(location.jndiName);
575:                }
576:            }
577:
578:            private String normalize(String name) {
579:                if (name.charAt(0) == '/')
580:                    name = name.substring(1);
581:                if (!(name.startsWith("java:comp/env") || name
582:                        .startsWith("comp/env"))) {
583:                    if (name.startsWith("env/"))
584:                        name = "java:comp/" + name;
585:                    else
586:                        name = "java:comp/env/" + name;
587:                }
588:                return name;
589:            }
590:
591:            private static class Ref implements  EjbResolver.Reference {
592:                private final EjbReferenceInfo info;
593:
594:                public Ref(EjbReferenceInfo info) {
595:                    this .info = info;
596:                }
597:
598:                public String getEjbLink() {
599:                    return info.link;
600:                }
601:
602:                public String getHome() {
603:                    return info.homeType;
604:                }
605:
606:                public String getInterface() {
607:                    return info.interfaceType;
608:                }
609:
610:                public String getMappedName() {
611:                    return null;
612:                }
613:
614:                public String getName() {
615:                    return info.referenceName;
616:                }
617:
618:                public EjbResolver.Type getRefType() {
619:                    if (info instanceof  EjbLocalReferenceInfo) {
620:                        return EjbResolver.Type.LOCAL;
621:                    } else if (info.homeType != null) {
622:                        return EjbResolver.Type.REMOTE;
623:                    } else {
624:                        return EjbResolver.Type.UNKNOWN;
625:                    }
626:                }
627:            }
628:        }
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