Source Code Cross Referenced for StartOneDeploymentComponent.java in  » ESB » open-esb » deploytest » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » ESB » open esb » deploytest 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * BEGIN_HEADER - DO NOT EDIT
003:         *
004:         * The contents of this file are subject to the terms
005:         * of the Common Development and Distribution License
006:         * (the "License").  You may not use this file except
007:         * in compliance with the License.
008:         *
009:         * You can obtain a copy of the license at
010:         * https://open-esb.dev.java.net/public/CDDLv1.0.html.
011:         * See the License for the specific language governing
012:         * permissions and limitations under the License.
013:         *
014:         * When distributing Covered Code, include this CDDL
015:         * HEADER in each file and include the License file at
016:         * https://open-esb.dev.java.net/public/CDDLv1.0.html.
017:         * If applicable add the following below this CDDL HEADER,
018:         * with the fields enclosed by brackets "[]" replaced with
019:         * your own identifying information: Portions Copyright
020:         * [year] [name of copyright owner]
021:         */
022:
023:        /*
024:         * @(#)BindingComponent.java
025:         * Copyright 2004-2007 Sun Microsystems, Inc. All Rights Reserved.
026:         *
027:         * END_HEADER - DO NOT EDIT
028:         */
029:        package deploytest;
030:
031:        import java.io.File;
032:        import java.util.logging.Logger;
033:        import java.util.Properties;
034:
035:        import javax.jbi.component.Bootstrap;
036:        import javax.jbi.component.Component;
037:        import javax.jbi.component.ComponentContext;
038:        import javax.jbi.component.ComponentLifeCycle;
039:        import javax.jbi.component.ServiceUnitManager;
040:
041:        import javax.management.StandardMBean;
042:        import javax.management.ObjectName;
043:
044:        /**
045:         * Dummy binding component used to test deployment.
046:         *
047:         * @author Sun Microsystems, Inc.
048:         */
049:        public class StartOneDeploymentComponent implements  Component,
050:                ComponentLifeCycle, ServiceUnitManager, Bootstrap {
051:            /** Optional config file used to change behavior of component. */
052:            private static final String CONFIG_FILE_NAME = "config.properties";
053:
054:            /** Config property indicating that the component should throw an exception
055:             *  on SU init. 
056:             */
057:            private static final String THROW_ON_SU_INIT = "throw.on.su.init";
058:
059:            /** Config property indicating that the component should throw a plan-text exception
060:             */
061:            private static final String THROW_TEXT_EXCEPTION = "throw.text.exception";
062:
063:            /** Config property indicating that the component should throw an exception
064:             *  on shutdown. 
065:             */
066:            private static final String THROW_ON_COMP_SHUTDOWN = "throw.on.comp.shutdown";
067:
068:            /** Config property indicating that the component should throw an exception
069:             *  on service unit shutdown. 
070:             */
071:            private static final String THROW_ON_SU_SHUTDOWN = "throw.on.su.shutdown";
072:
073:            /** Config property indicating that the component should throw an exception
074:             *  on service unit start. 
075:             */
076:            private static final String THROW_ON_SU_START = "throw.on.su.start";
077:
078:            /** Config property indicating that the component should throw an exception
079:             *  on service unit undeploy. 
080:             */
081:            private static final String THROW_ON_SU_UNDEPLOY = "throw.on.su.undeploy";
082:
083:            /** Config property indicating that the component should throw an exception
084:             *  on service unit deploy. 
085:             */
086:            private static final String THROW_ON_SU_DEPLOY = "throw.on.su.deploy";
087:
088:            /** Config property indicating that the component should throw an exception
089:             *  on service unit undeploy. 
090:             */
091:            private static final String REGISTER_CUSTOM_MBEAN = "register.custom.mbean";
092:
093:            /**
094:             * Local copy of the component name.
095:             */
096:            protected String mComponentName;
097:
098:            /**
099:             * Type of component.
100:             */
101:            protected String mComponentType = "Binding";
102:
103:            /**
104:             * Local handle to the ComponentContext.
105:             */
106:            protected ComponentContext mContext;
107:
108:            /**
109:             * Logger instance.
110:             */
111:            protected Logger mLog = Logger.getLogger("com.sun.jbi.management");
112:
113:            /**
114:             * Component configuration
115:             */
116:            private Properties mConfig = new Properties();
117:
118:            //
119:            // Component methods
120:            //
121:
122:            /**
123:             * Get the ComponentLifeCycle implementation instance for this Binding
124:             * Component.
125:             * @return the life cycle implementation instance.
126:             */
127:            public ComponentLifeCycle getLifeCycle() {
128:                mLog.info(mComponentType + " getLifeCycle called");
129:                return this ;
130:            }
131:
132:            /**
133:             * Get the ServiceUnitManager implementation instance for this Binding
134:             * Component.
135:             * @return the Service Unit manager implementation instance.
136:             */
137:            public ServiceUnitManager getServiceUnitManager() {
138:                mLog.info(mComponentType + " " + mComponentName
139:                        + " getServiceUnitManager called");
140:                return this ;
141:            }
142:
143:            /**
144:             * Resolve descriptor details for the specified reference, which is for a
145:             * service provided by this component.
146:             * @param ref the endpoint reference to be resolved.
147:             * @return the description for the specified reference.
148:             */
149:            public org.w3c.dom.Document getServiceDescription(
150:                    javax.jbi.servicedesc.ServiceEndpoint ref) {
151:                mLog.info(mComponentType + " " + mComponentName
152:                        + " getServiceDescription called");
153:                return null;
154:            }
155:
156:            /**
157:             * This method is called by JBI to check if this component, in the role of
158:             * provider of the service indicated by the given exchange, can actually 
159:             * perform the operation desired. 
160:             */
161:            public boolean isExchangeWithConsumerOkay(
162:                    javax.jbi.servicedesc.ServiceEndpoint endpoint,
163:                    javax.jbi.messaging.MessageExchange exchange) {
164:                mLog.info(mComponentType + " " + mComponentName
165:                        + " isExchangeWithConsumerOkay called");
166:                return true;
167:            }
168:
169:            /**
170:             * This method is called by JBI to check if this component, in the role of
171:             * consumer of the service indicated by the given exchange, can actually 
172:             * interact with the the provider completely. 
173:             */
174:            public boolean isExchangeWithProviderOkay(
175:                    javax.jbi.servicedesc.ServiceEndpoint endpoint,
176:                    javax.jbi.messaging.MessageExchange exchange) {
177:                mLog.info(mComponentType + " " + mComponentName
178:                        + " isExchangeWithProviderOkay called");
179:                return true;
180:            }
181:
182:            /**
183:             * Resolve the given endpoint reference, given the capabilities of the
184:             * given consumer. This is called by JBI when it is attempting to resolve
185:             * the given endpoint reference on behalf of a component.
186:             * @param epr the endpoint reference, in some XML dialect understood by the
187:             * appropriate component (usually a Binding Component).
188:             * @return the service endpoint for the endpoint reference;
189:             * <code>null</code> if the endpoint reference cannot be resolved.
190:             */
191:            public javax.jbi.servicedesc.ServiceEndpoint resolveEndpointReference(
192:                    org.w3c.dom.DocumentFragment epr) {
193:                mLog.info(mComponentType + " " + mComponentName
194:                        + " resolveEndpointReference called");
195:                return null;
196:            }
197:
198:            //
199:            // ComponentLifeCycle methods
200:            //
201:
202:            /**
203:             * Initialize the Binding Component.
204:             * @param context the JBI component context created by the JBI framework.
205:             * @throws javax.jbi.JBIException if an error occurs.
206:             */
207:            public void init(ComponentContext context)
208:                    throws javax.jbi.JBIException {
209:                mComponentName = context.getComponentName();
210:                mContext = context;
211:                try {
212:                    File configFile = new File(context.getInstallRoot(),
213:                            CONFIG_FILE_NAME);
214:                    if (configFile.exists()) {
215:                        mConfig.load(new java.io.FileInputStream(configFile));
216:                    }
217:                } catch (Exception ex) {
218:                    throw new javax.jbi.JBIException(ex.toString());
219:                }
220:            }
221:
222:            /**
223:             * Get the JMX ObjectName for any additional MBean for this BC. This
224:             * implementation always returns null.
225:             * @return javax.management.ObjectName is always null.
226:             */
227:            public javax.management.ObjectName getExtensionMBeanName() {
228:                mLog.info(mComponentType + " "
229:                        + " getExtensionMBeanName called");
230:                return null;
231:            }
232:
233:            /**
234:             * Start the Binding Component.
235:             * @throws javax.jbi.JBIException if an error occurs.
236:             */
237:            public void start() throws javax.jbi.JBIException {
238:                mLog.info(mComponentType + " " + mComponentName
239:                        + " start called");
240:
241:                if (mConfig.containsKey(REGISTER_CUSTOM_MBEAN)) {
242:                    registerCustomMBeans();
243:                    registerLoggerMBean();
244:                }
245:            }
246:
247:            /**
248:             * Stop the Binding Component.
249:             * @throws javax.jbi.JBIException if an error occurs.
250:             */
251:            public void stop() throws javax.jbi.JBIException {
252:                mLog.info(mComponentType + " " + mComponentName
253:                        + " stop called");
254:            }
255:
256:            /**
257:             * Shut down the Binding Component.
258:             * @throws javax.jbi.JBIException if an error occurs.
259:             */
260:            public void shutDown() throws javax.jbi.JBIException {
261:                mLog.info(mComponentType + " " + mComponentName
262:                        + " shutDown called");
263:
264:                if (mConfig.containsKey(THROW_ON_COMP_SHUTDOWN)) {
265:                    throw new javax.jbi.JBIException(createErrorResult(
266:                            "shutDown", "Component shutDown failed"));
267:                }
268:
269:                if (mConfig.containsKey(REGISTER_CUSTOM_MBEAN)) {
270:                    unregisterCustomMBeans();
271:                }
272:            }
273:
274:            //
275:            // ServiceUnitManager methods
276:            //
277:
278:            /**
279:             * Start the deployment.
280:             * @param serviceUnitName the name of the Service Unit being started.
281:             * @throws javax.jbi.management.DeploymentException if the Service Unit
282:             * is not deployed, or is in an incorrect state.
283:             */
284:            public void start(String serviceUnitName)
285:                    throws javax.jbi.management.DeploymentException {
286:
287:                //this is used to simulate access to a shared resource
288:                //this component will only allow one deployment based on the presence 
289:                //of a file
290:                String sharedFileName = (String) mConfig
291:                        .getProperty("cluster.test.shared.file");
292:                String ignoreFile = (String) mConfig
293:                        .getProperty("cluster.test.ignore.file");
294:                try {
295:                    File sharedFile = new File(sharedFileName);
296:                    File ignoreSharedFileMarker = new File(ignoreFile);
297:                    mLog.info("Checking to see if the following file exists"
298:                            + sharedFileName);
299:                    if (sharedFile.exists()) {
300:                        if (ignoreSharedFileMarker.exists()) {
301:                            //start successfully
302:                            mLog.info("Shared file does not exist, pass start");
303:                        } else {
304:                            mLog.info("Shared file exists...fail start");
305:                            throw new javax.jbi.management.DeploymentException(
306:                                    createErrorResult(
307:                                            "start",
308:                                            "Service unit "
309:                                                    + serviceUnitName
310:                                                    + " start failed because shared file "
311:                                                    + sharedFileName + "exists"));
312:                        }
313:                    } else {
314:                        mLog.info("Shared file does not exist, pass start");
315:                        sharedFile.createNewFile();
316:                    }
317:                } catch (Exception e) {
318:                    throw new javax.jbi.management.DeploymentException(
319:                            createErrorResult("start", "Service unit "
320:                                    + serviceUnitName + " start failed"));
321:                }
322:
323:                mLog.info(mComponentType + " " + mComponentName
324:                        + " started Service Unit " + serviceUnitName);
325:            }
326:
327:            /**
328:             * Start a Service Unit.
329:             * @param serviceUnitName the name of the Service Unit being deployed.
330:             * @param serviceUnitRootPath the full path to the Service Unit artifact
331:             * root directory.
332:             * @return a start status message.
333:             * @throws javax.jbi.management.DeploymentException if the start
334:             * operation is unsuccessful.
335:             */
336:            public String start(String serviceUnitName,
337:                    String serviceUnitRootPath)
338:                    throws javax.jbi.management.DeploymentException {
339:                //this is used to simulate access to a shared resource
340:                //this component will only allow one deployment based on the presence 
341:                //of a file
342:                String sharedFileName = (String) mConfig
343:                        .getProperty("cluster.test.shared.file");
344:                sharedFileName = sharedFileName.replace('\\', '/');
345:                try {
346:                    File sharedFile = new File(sharedFileName);
347:                    mLog.info("Checking to see if the following file exists"
348:                            + sharedFileName);
349:                    if (sharedFile.exists()) {
350:                        mLog.info("Shared file exists...fail start");
351:                        throw new javax.jbi.management.DeploymentException(
352:                                createErrorResult("start", "Service unit "
353:                                        + serviceUnitName
354:                                        + " start failed because shared file "
355:                                        + sharedFileName + "exists"));
356:                    } else {
357:                        mLog.info("Shared file does not exist, pass start");
358:                        sharedFile.createNewFile();
359:                    }
360:                } catch (Exception e) {
361:                    throw new javax.jbi.management.DeploymentException(
362:                            createErrorResult("deploy", e.getMessage()));
363:                }
364:                return createDeployResult("deploy", true);
365:            }
366:
367:            /**
368:             * Initialize the deployment.
369:             * @param serviceUnitName the name of the Service Unit being initialized.
370:             * @param serviceUnitRootPath the full path to the Service Unit artifact
371:             * root directory.
372:             * @throws javax.jbi.management.DeploymentException if the Service Unit is
373:             * not deployed, or is in an incorrect state.
374:             */
375:            public void init(String serviceUnitName, String serviceUnitRootPath)
376:                    throws javax.jbi.management.DeploymentException {
377:                mLog.info(mComponentType + " " + mComponentName
378:                        + " initialized Service Unit " + serviceUnitName
379:                        + " with serviceUnitRootPath " + serviceUnitRootPath);
380:
381:                if (mConfig.containsKey(THROW_ON_SU_INIT)) {
382:                    throw new javax.jbi.management.DeploymentException(
383:                            createErrorResult("init",
384:                                    "SU initialization failed"));
385:                }
386:
387:                java.io.File suRoot = new java.io.File(serviceUnitRootPath);
388:
389:                if (!suRoot.exists()) {
390:                    throw new javax.jbi.management.DeploymentException(
391:                            "Invalid service unit root " + serviceUnitRootPath
392:                                    + " for service unit " + serviceUnitName);
393:                }
394:            }
395:
396:            /**
397:             * Shut down the deployment.
398:             * @param serviceUnitName the name of the Service Unit being shut down.
399:             * @throws javax.jbi.management.DeploymentException if the Service Unit
400:             * is not deployed, or is in an incorrect state.
401:             */
402:            public void shutDown(String serviceUnitName)
403:                    throws javax.jbi.management.DeploymentException {
404:                if (mConfig.containsKey(THROW_ON_SU_SHUTDOWN)) {
405:                    throw new javax.jbi.management.DeploymentException(
406:                            createErrorResult("shutDown", "Service unit "
407:                                    + serviceUnitName + " shutDown failed"));
408:                }
409:
410:                mLog.info(mComponentType + " " + mComponentName
411:                        + " shut down Service Unit " + serviceUnitName);
412:            }
413:
414:            /**
415:             * Deploy a Service Unit.
416:             * @param serviceUnitName the name of the Service Unit being deployed.
417:             * @param serviceUnitRootPath the full path to the Service Unit artifact
418:             * root directory.
419:             * @return a deployment status message.
420:             * @throws javax.jbi.management.DeploymentException if the deployment
421:             * operation is unsuccessful.
422:             */
423:            public String deploy(String serviceUnitName,
424:                    String serviceUnitRootPath)
425:                    throws javax.jbi.management.DeploymentException {
426:                if (mConfig.containsKey(THROW_ON_SU_DEPLOY)) {
427:                    if (mConfig.containsKey(THROW_TEXT_EXCEPTION)) {
428:                        throw new javax.jbi.management.DeploymentException(
429:                                "Deployment of service unit " + serviceUnitName
430:                                        + " FAILED.");
431:                    } else {
432:                        throw new javax.jbi.management.DeploymentException(
433:                                createErrorResult("init", "SU deploy failed"));
434:                    }
435:                }
436:
437:                mLog.info(mComponentType + " " + mComponentName
438:                        + " deployed Service Unit " + serviceUnitName
439:                        + " with serviceUnitRootPath " + serviceUnitRootPath);
440:
441:                if (serviceUnitName.equals("esbadmin00089-su-3")
442:                        || serviceUnitName.equals("esbadmin00089-su-6")) {
443:                    return createDeployResult("deploy", false);
444:                } else {
445:                    return createDeployResult("deploy", true);
446:                }
447:            }
448:
449:            /**
450:             * Stop the deployment.
451:             * @param serviceUnitName the name of the Service Unit being stopped.
452:             * @throws javax.jbi.management.DeploymentException if the Service Unit
453:             * is not deployed, or is in an incorrect state.
454:             */
455:            public void stop(String serviceUnitName)
456:                    throws javax.jbi.management.DeploymentException {
457:                mLog.info(mComponentType + " " + mComponentName
458:                        + " stopped Service Unit " + serviceUnitName);
459:            }
460:
461:            /**
462:             * Undeploy a Service Unit from the component.
463:             * @param serviceUnitName the name of the Service Unit being undeployed.
464:             * @param serviceUnitRootPath the full path to the Service Unit artifact
465:             * root directory.
466:             * @return an undeployment status message.
467:             * @throws javax.jbi.management.DeploymentException if the undeployment
468:             * operation is unsuccessful.
469:             */
470:            public String undeploy(String serviceUnitName,
471:                    String serviceUnitRootPath)
472:                    throws javax.jbi.management.DeploymentException {
473:                mLog.info(mComponentType + " " + mComponentName
474:                        + " undeployed Service Unit " + serviceUnitName);
475:
476:                if (mConfig.containsKey(THROW_ON_SU_UNDEPLOY)) {
477:                    throw new javax.jbi.management.DeploymentException(
478:                            createErrorResult("undeploy", "Service unit "
479:                                    + serviceUnitName + " undeploy failed"));
480:                } else if (serviceUnitName.equals("esbadmin00089-su-3")
481:                        || serviceUnitName.equals("esbadmin00089-su-6")) {
482:                    return createDeployResult("undeploy", false);
483:                } else {
484:                    return createDeployResult("undeploy", true);
485:                }
486:            }
487:
488:            public void onUninstall() throws javax.jbi.JBIException {
489:            }
490:
491:            public void onInstall() throws javax.jbi.JBIException {
492:
493:            }
494:
495:            public void init(
496:                    javax.jbi.component.InstallationContext installationContext)
497:                    throws javax.jbi.JBIException {
498:
499:            }
500:
501:            public void cleanUp() throws javax.jbi.JBIException {
502:
503:            }
504:
505:            /** Creates a (un)deployment result string.
506:             *  @param task 'deploy' or 'undeploy'
507:             */
508:            private String createDeployResult(String task, boolean isSuccess) {
509:                return "<component-task-result xmlns=\"http://java.sun.com/xml/ns/jbi/management-message\">"
510:                        + "<component-name>"
511:                        + mComponentName
512:                        + "</component-name>"
513:                        + "<component-task-result-details>"
514:                        + "<task-result-details>"
515:                        + "<task-id>"
516:                        + task
517:                        + "</task-id>"
518:                        + "<task-result>"
519:                        + (isSuccess ? "SUCCESS" : "FAILED")
520:                        + "</task-result>"
521:                        + "</task-result-details>"
522:                        + "</component-task-result-details>"
523:                        + "</component-task-result>";
524:            }
525:
526:            /** Creates a component failure response with a configurable message.
527:             *  @param task 'deploy' or 'undeploy'
528:             */
529:            protected String createErrorResult(String task, String msg) {
530:                return "<component-task-result xmlns=\"http://java.sun.com/xml/ns/jbi/management-message\">"
531:                        + "<component-name>"
532:                        + mComponentName
533:                        + "</component-name>"
534:                        + "<component-task-result-details>"
535:                        + "<task-result-details>"
536:                        + "<task-id>"
537:                        + task
538:                        + "</task-id>"
539:                        + "<task-result>"
540:                        + "FAILED"
541:                        + "</task-result>"
542:                        + "<message-type>ERROR</message-type>"
543:                        + "<task-status-msg>"
544:                        + "<msg-loc-info>"
545:                        + "<loc-token>JBIWHOOPS</loc-token>"
546:                        + "<loc-message>"
547:                        + msg
548:                        + "</loc-message>"
549:                        + "</msg-loc-info>"
550:                        + "</task-status-msg>"
551:                        + "</task-result-details>"
552:                        + "</component-task-result-details>"
553:                        + "</component-task-result>";
554:            }
555:
556:            /**
557:             * Register custom MBeans
558:             */
559:            protected void registerCustomMBeans() throws javax.jbi.JBIException {
560:                try {
561:                    CustomConfigMBean mbean = new CustomConfig(mComponentName
562:                            + " custom config MBean", mContext);
563:
564:                    StandardMBean compMBean = new StandardMBean(mbean,
565:                            CustomConfigMBean.class);
566:
567:                    ObjectName compMBeanName = mContext.getMBeanNames()
568:                            .createCustomComponentMBeanName(
569:                                    mComponentName + "Config");
570:
571:                    mContext.getMBeanServer().registerMBean(compMBean,
572:                            compMBeanName);
573:                } catch (Exception exp) {
574:                    throw new javax.jbi.JBIException(exp.getMessage());
575:                }
576:            }
577:
578:            /**
579:             * Unregister custom MBeans
580:             */
581:            protected void unregisterCustomMBeans()
582:                    throws javax.jbi.JBIException {
583:                try {
584:                    ObjectName compMBeanName = mContext.getMBeanNames()
585:                            .createCustomComponentMBeanName(
586:                                    mComponentName + "Config");
587:
588:                    mContext.getMBeanServer().unregisterMBean(compMBeanName);
589:                } catch (Exception exp) {
590:                    throw new javax.jbi.JBIException(exp.getMessage());
591:                }
592:            }
593:
594:            /**
595:             * ComponentContext.getLogger() registers a Logger MBean for the component. 
596:             * When the component is uninstalled the Logger MBean is unregistered.
597:             */
598:            protected void registerLoggerMBean() throws javax.jbi.JBIException {
599:                mContext.getLogger("com.sun.jbi.test.binding.logger", null);
600:            }
601:        }
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