Source Code Cross Referenced for BindingComponent1.java in  » ESB » open-esb » testcomponent1 » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » ESB » open esb » testcomponent1 
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:         * @(#)BindingComponent1.java
025:         * Copyright 2004-2007 Sun Microsystems, Inc. All Rights Reserved.
026:         *
027:         * END_HEADER - DO NOT EDIT
028:         */
029:        package testcomponent1;
030:
031:        import java.io.InputStream;
032:        import java.io.File;
033:        import java.io.FileWriter;
034:        import java.text.SimpleDateFormat;
035:        import java.util.logging.Logger;
036:        import java.util.Date;
037:        import java.util.Properties;
038:
039:        import javax.jbi.component.Bootstrap;
040:        import javax.jbi.component.Component;
041:        import javax.jbi.component.ComponentContext;
042:        import javax.jbi.component.ComponentLifeCycle;
043:        import javax.jbi.component.ServiceUnitManager;
044:
045:        import javax.management.StandardMBean;
046:        import javax.management.ObjectName;
047:
048:        /**
049:         * Dummy binding component used to test deployment.
050:         *
051:         * @author Sun Microsystems, Inc.
052:         */
053:        public class BindingComponent1 implements  Component,
054:                ComponentLifeCycle, ServiceUnitManager, Bootstrap {
055:            /** Optional config file used to change behavior of component. */
056:            private static final String CONFIG_FILE_NAME = "config.properties";
057:
058:            /** 
059:             * Config property indicating that the component should throw an exception
060:             *  on start. 
061:             */
062:            private static final String THROW_ON_COMP_START = "throw.on.comp.start";
063:
064:            /** Config property indicating that the component should throw an exception
065:             *  on SU init. 
066:             */
067:            private static final String THROW_ON_SU_INIT = "throw.on.su.init";
068:
069:            /** Config property indicating that the component should throw an exception
070:             *  on shutdown. 
071:             */
072:            private static final String THROW_ON_COMP_SHUTDOWN = "throw.on.comp.shutdown";
073:
074:            /** Config property indicating that the component should throw an exception
075:             *  on service unit shutdown. 
076:             */
077:            private static final String THROW_ON_SU_SHUTDOWN = "throw.on.su.shutdown";
078:
079:            /** Config property indicating that the component should throw an exception
080:             *  on service unit start. 
081:             */
082:            private static final String THROW_ON_SU_START = "throw.on.su.start";
083:
084:            /** Config property indicating that the component should throw an exception
085:             *  on service unit undeploy. 
086:             */
087:            private static final String THROW_ON_SU_UNDEPLOY = "throw.on.su.undeploy";
088:
089:            /** Config property indicating that the component should throw an exception
090:             *  on service unit deploy. 
091:             */
092:            private static final String THROW_ON_SU_DEPLOY = "throw.on.su.deploy";
093:
094:            /** Config property indicating that the component should throw a plan-text exception
095:             */
096:            private static final String THROW_TEXT_EXCEPTION = "throw.text.exception";
097:
098:            /** Config property indicating that the component should throw an exception
099:             *  on service unit undeploy. 
100:             */
101:            private static final String REGISTER_CUSTOM_MBEAN = "register.custom.mbean";
102:
103:            /**
104:             * Local copy of the component name.
105:             */
106:            protected String mComponentName;
107:
108:            /**
109:             * Type of component.
110:             */
111:            protected String mComponentType = "Binding";
112:
113:            /**
114:             * Local handle to the ComponentContext.
115:             */
116:            protected ComponentContext mContext;
117:
118:            /**
119:             * Logger instance.
120:             */
121:            protected Logger mLog = Logger.getLogger("com.sun.jbi.management");
122:
123:            /**
124:             * Component configuration
125:             */
126:            private Properties mConfig = new Properties();
127:
128:            //
129:            // Component methods
130:            //
131:
132:            /**
133:             * Get the ComponentLifeCycle implementation instance for this Binding
134:             * Component.
135:             * @return the life cycle implementation instance.
136:             */
137:            public ComponentLifeCycle getLifeCycle() {
138:                mLog.info(mComponentType + " getLifeCycle called");
139:                return this ;
140:            }
141:
142:            /**
143:             * Get the ServiceUnitManager implementation instance for this Binding
144:             * Component.
145:             * @return the Service Unit manager implementation instance.
146:             */
147:            public ServiceUnitManager getServiceUnitManager() {
148:                mLog.info(mComponentType + " " + mComponentName
149:                        + " getServiceUnitManager called");
150:                return this ;
151:            }
152:
153:            /**
154:             * Resolve descriptor details for the specified reference, which is for a
155:             * service provided by this component.
156:             * @param ref the endpoint reference to be resolved.
157:             * @return the description for the specified reference.
158:             */
159:            public org.w3c.dom.Document getServiceDescription(
160:                    javax.jbi.servicedesc.ServiceEndpoint ref) {
161:                mLog.info(mComponentType + " " + mComponentName
162:                        + " getServiceDescription called");
163:                return null;
164:            }
165:
166:            /**
167:             * This method is called by JBI to check if this component, in the role of
168:             * provider of the service indicated by the given exchange, can actually 
169:             * perform the operation desired. 
170:             */
171:            public boolean isExchangeWithConsumerOkay(
172:                    javax.jbi.servicedesc.ServiceEndpoint endpoint,
173:                    javax.jbi.messaging.MessageExchange exchange) {
174:                mLog.info(mComponentType + " " + mComponentName
175:                        + " isExchangeWithConsumerOkay called");
176:                return true;
177:            }
178:
179:            /**
180:             * This method is called by JBI to check if this component, in the role of
181:             * consumer of the service indicated by the given exchange, can actually 
182:             * interact with the the provider completely. 
183:             */
184:            public boolean isExchangeWithProviderOkay(
185:                    javax.jbi.servicedesc.ServiceEndpoint endpoint,
186:                    javax.jbi.messaging.MessageExchange exchange) {
187:                mLog.info(mComponentType + " " + mComponentName
188:                        + " isExchangeWithProviderOkay called");
189:                return true;
190:            }
191:
192:            /**
193:             * Resolve the given endpoint reference, given the capabilities of the
194:             * given consumer. This is called by JBI when it is attempting to resolve
195:             * the given endpoint reference on behalf of a component.
196:             * @param epr the endpoint reference, in some XML dialect understood by the
197:             * appropriate component (usually a Binding Component).
198:             * @return the service endpoint for the endpoint reference;
199:             * <code>null</code> if the endpoint reference cannot be resolved.
200:             */
201:            public javax.jbi.servicedesc.ServiceEndpoint resolveEndpointReference(
202:                    org.w3c.dom.DocumentFragment epr) {
203:                mLog.info(mComponentType + " " + mComponentName
204:                        + " resolveEndpointReference called");
205:                return null;
206:            }
207:
208:            //
209:            // ComponentLifeCycle methods
210:            //
211:
212:            /**
213:             * Initialize the Binding Component.
214:             * @param context the JBI component context created by the JBI framework.
215:             * @throws javax.jbi.JBIException if an error occurs.
216:             */
217:            public void init(ComponentContext context)
218:                    throws javax.jbi.JBIException {
219:                mComponentName = context.getComponentName();
220:                mContext = context;
221:                File configFile;
222:                InputStream inputStream;
223:                try {
224:                    configFile = new File(context.getInstallRoot(),
225:                            CONFIG_FILE_NAME);
226:                    if (configFile.exists()) {
227:                        inputStream = new java.io.FileInputStream(configFile);
228:                        mConfig.load(inputStream);
229:                        inputStream.close();
230:                    }
231:
232:                    //write the timestamp in a properties file in workspace dir
233:                    try {
234:                        File settingsFile = new File(
235:                                context.getWorkspaceRoot(), "settings.txt");
236:                        FileWriter writer = new FileWriter(settingsFile);
237:                        SimpleDateFormat format = new SimpleDateFormat(
238:                                "yyyyMMddHHmm");
239:                        writer.write(format.format(new Date()));
240:                        writer.close();
241:                    } catch (Exception ex) {
242:                    }
243:
244:                } catch (Exception ex) {
245:                    throw new javax.jbi.JBIException(ex.toString());
246:                }
247:            }
248:
249:            /**
250:             * Get the JMX ObjectName for any additional MBean for this BC. This
251:             * implementation always returns null.
252:             * @return javax.management.ObjectName is always null.
253:             */
254:            public javax.management.ObjectName getExtensionMBeanName() {
255:                mLog.info(mComponentType + " "
256:                        + " getExtensionMBeanName called");
257:                return null;
258:            }
259:
260:            /**
261:             * Start the Binding Component.
262:             * @throws javax.jbi.JBIException if an error occurs.
263:             */
264:            public void start() throws javax.jbi.JBIException {
265:                mLog.info(mComponentType + " " + mComponentName
266:                        + " start called");
267:
268:                if (mConfig.containsKey(THROW_ON_COMP_START)) {
269:                    throw new javax.jbi.JBIException(createErrorResult("start",
270:                            "Component start failed"));
271:                }
272:                if (mConfig.containsKey(REGISTER_CUSTOM_MBEAN)) {
273:                    registerCustomMBeans();
274:                    registerLoggerMBean();
275:                }
276:            }
277:
278:            /**
279:             * Stop the Binding Component.
280:             * @throws javax.jbi.JBIException if an error occurs.
281:             */
282:            public void stop() throws javax.jbi.JBIException {
283:                mLog.info(mComponentType + " " + mComponentName
284:                        + " stop called");
285:            }
286:
287:            /**
288:             * Shut down the Binding Component.
289:             * @throws javax.jbi.JBIException if an error occurs.
290:             */
291:            public void shutDown() throws javax.jbi.JBIException {
292:                mLog.info(mComponentType + " " + mComponentName
293:                        + " shutDown called");
294:
295:                if (mConfig.containsKey(THROW_ON_COMP_SHUTDOWN)) {
296:                    throw new javax.jbi.JBIException(createErrorResult(
297:                            "shutDown", "Component shutDown failed"));
298:                }
299:
300:                if (mConfig.containsKey(REGISTER_CUSTOM_MBEAN)) {
301:                    unregisterCustomMBeans();
302:                }
303:            }
304:
305:            //
306:            // ServiceUnitManager methods
307:            //
308:
309:            /**
310:             * Deploy a Service Unit.
311:             * @param serviceUnitName the name of the Service Unit being deployed.
312:             * @param serviceUnitRootPath the full path to the Service Unit artifact
313:             * root directory.
314:             * @return a deployment status message.
315:             * @throws javax.jbi.management.DeploymentException if the deployment
316:             * operation is unsuccessful.
317:             */
318:            public String deploy(String serviceUnitName,
319:                    String serviceUnitRootPath)
320:                    throws javax.jbi.management.DeploymentException {
321:                if (mConfig.containsKey(THROW_ON_SU_DEPLOY)) {
322:                    if (mConfig.containsKey(THROW_TEXT_EXCEPTION)) {
323:                        throw new javax.jbi.management.DeploymentException(
324:                                "Deployment of service unit " + serviceUnitName
325:                                        + " FAILED.");
326:                    } else {
327:                        throw new javax.jbi.management.DeploymentException(
328:                                createErrorResult("init", "SU deploy failed"));
329:                    }
330:                }
331:
332:                mLog.info(mComponentType + " " + mComponentName
333:                        + " deployed Service Unit " + serviceUnitName
334:                        + " with serviceUnitRootPath " + serviceUnitRootPath);
335:
336:                if (serviceUnitName.equals("esbadmin00089-su-3")
337:                        || serviceUnitName.equals("esbadmin00089-su-6")) {
338:                    return createDeployResult("deploy", false);
339:                } else {
340:                    return createDeployResult("deploy", true);
341:                }
342:            }
343:
344:            /**
345:             * Initialize the deployment.
346:             * @param serviceUnitName the name of the Service Unit being initialized.
347:             * @param serviceUnitRootPath the full path to the Service Unit artifact
348:             * root directory.
349:             * @throws javax.jbi.management.DeploymentException if the Service Unit is
350:             * not deployed, or is in an incorrect state.
351:             */
352:            public void init(String serviceUnitName, String serviceUnitRootPath)
353:                    throws javax.jbi.management.DeploymentException {
354:                mLog.info(mComponentType + " " + mComponentName
355:                        + " initialized Service Unit " + serviceUnitName
356:                        + " with serviceUnitRootPath " + serviceUnitRootPath);
357:
358:                if (mConfig.containsKey(THROW_ON_SU_INIT)) {
359:                    throw new javax.jbi.management.DeploymentException(
360:                            createErrorResult("init",
361:                                    "SU initialization failed"));
362:                }
363:
364:                java.io.File suRoot = new java.io.File(serviceUnitRootPath);
365:
366:                if (!suRoot.exists()) {
367:                    throw new javax.jbi.management.DeploymentException(
368:                            "Invalid service unit root " + serviceUnitRootPath
369:                                    + " for service unit " + serviceUnitName);
370:                }
371:            }
372:
373:            /**
374:             * Shut down the deployment.
375:             * @param serviceUnitName the name of the Service Unit being shut down.
376:             * @throws javax.jbi.management.DeploymentException if the Service Unit
377:             * is not deployed, or is in an incorrect state.
378:             */
379:            public void shutDown(String serviceUnitName)
380:                    throws javax.jbi.management.DeploymentException {
381:                if (mConfig.containsKey(THROW_ON_SU_SHUTDOWN)) {
382:                    throw new javax.jbi.management.DeploymentException(
383:                            createErrorResult("shutDown", "Service unit "
384:                                    + serviceUnitName + " shutDown failed"));
385:                }
386:
387:                mLog.info(mComponentType + " " + mComponentName
388:                        + " shut down Service Unit " + serviceUnitName);
389:            }
390:
391:            /**
392:             * Start the deployment.
393:             * @param serviceUnitName the name of the Service Unit being started.
394:             * @throws javax.jbi.management.DeploymentException if the Service Unit
395:             * is not deployed, or is in an incorrect state.
396:             */
397:            public void start(String serviceUnitName)
398:                    throws javax.jbi.management.DeploymentException {
399:
400:                if (mConfig.containsKey(THROW_ON_SU_START)) {
401:                    throw new javax.jbi.management.DeploymentException(
402:                            createErrorResult("start", "Service unit "
403:                                    + serviceUnitName + " start failed"));
404:                }
405:
406:                mLog.info(mComponentType + " " + mComponentName
407:                        + " started Service Unit " + serviceUnitName);
408:            }
409:
410:            /**
411:             * Stop the deployment.
412:             * @param serviceUnitName the name of the Service Unit being stopped.
413:             * @throws javax.jbi.management.DeploymentException if the Service Unit
414:             * is not deployed, or is in an incorrect state.
415:             */
416:            public void stop(String serviceUnitName)
417:                    throws javax.jbi.management.DeploymentException {
418:                mLog.info(mComponentType + " " + mComponentName
419:                        + " stopped Service Unit " + serviceUnitName);
420:            }
421:
422:            /**
423:             * Undeploy a Service Unit from the component.
424:             * @param serviceUnitName the name of the Service Unit being undeployed.
425:             * @param serviceUnitRootPath the full path to the Service Unit artifact
426:             * root directory.
427:             * @return an undeployment status message.
428:             * @throws javax.jbi.management.DeploymentException if the undeployment
429:             * operation is unsuccessful.
430:             */
431:            public String undeploy(String serviceUnitName,
432:                    String serviceUnitRootPath)
433:                    throws javax.jbi.management.DeploymentException {
434:                mLog.info(mComponentType + " " + mComponentName
435:                        + " undeployed Service Unit " + serviceUnitName);
436:
437:                if (mConfig.containsKey(THROW_ON_SU_UNDEPLOY)) {
438:                    throw new javax.jbi.management.DeploymentException(
439:                            createErrorResult("undeploy", "Service unit "
440:                                    + serviceUnitName + " undeploy failed"));
441:                } else if (serviceUnitName.equals("esbadmin00089-su-3")
442:                        || serviceUnitName.equals("esbadmin00089-su-6")) {
443:                    return createDeployResult("undeploy", false);
444:                } else {
445:                    return createDeployResult("undeploy", true);
446:                }
447:            }
448:
449:            public void onUninstall() throws javax.jbi.JBIException {
450:            }
451:
452:            public void onInstall() throws javax.jbi.JBIException {
453:
454:            }
455:
456:            public void init(
457:                    javax.jbi.component.InstallationContext installationContext)
458:                    throws javax.jbi.JBIException {
459:
460:            }
461:
462:            public void cleanUp() throws javax.jbi.JBIException {
463:
464:            }
465:
466:            /** Creates a (un)deployment result string.
467:             *  @param task 'deploy' or 'undeploy'
468:             */
469:            private String createDeployResult(String task, boolean isSuccess) {
470:                return "<component-task-result xmlns=\"http://java.sun.com/xml/ns/jbi/management-message\">"
471:                        + "<component-name>"
472:                        + mComponentName
473:                        + "</component-name>"
474:                        + "<component-task-result-details>"
475:                        + "<task-result-details>"
476:                        + "<task-id>"
477:                        + task
478:                        + "</task-id>"
479:                        + "<task-result>"
480:                        + (isSuccess ? "SUCCESS" : "FAILED")
481:                        + "</task-result>"
482:                        + "</task-result-details>"
483:                        + "</component-task-result-details>"
484:                        + "</component-task-result>";
485:            }
486:
487:            /** Creates a component failure response with a configurable message.
488:             *  @param task 'deploy' or 'undeploy'
489:             */
490:            protected String createErrorResult(String task, String msg) {
491:                return "<component-task-result xmlns=\"http://java.sun.com/xml/ns/jbi/management-message\">"
492:                        + "<component-name>"
493:                        + mComponentName
494:                        + "</component-name>"
495:                        + "<component-task-result-details>"
496:                        + "<task-result-details>"
497:                        + "<task-id>"
498:                        + task
499:                        + "</task-id>"
500:                        + "<task-result>"
501:                        + "FAILED"
502:                        + "</task-result>"
503:                        + "<message-type>ERROR</message-type>"
504:                        + "<task-status-msg>"
505:                        + "<msg-loc-info>"
506:                        + "<loc-token>JBIWHOOPS</loc-token>"
507:                        + "<loc-message>"
508:                        + msg
509:                        + "</loc-message>"
510:                        + "</msg-loc-info>"
511:                        + "</task-status-msg>"
512:                        + "</task-result-details>"
513:                        + "</component-task-result-details>"
514:                        + "</component-task-result>";
515:            }
516:
517:            /**
518:             * Register custom MBeans
519:             */
520:            protected void registerCustomMBeans() throws javax.jbi.JBIException {
521:                try {
522:                    CustomConfigMBean mbean = new CustomConfig(mComponentName
523:                            + " custom config MBean");
524:
525:                    StandardMBean compMBean = new StandardMBean(mbean,
526:                            CustomConfigMBean.class);
527:
528:                    ObjectName compMBeanName = mContext.getMBeanNames()
529:                            .createCustomComponentMBeanName("Configuration");
530:
531:                    mContext.getMBeanServer().registerMBean(compMBean,
532:                            compMBeanName);
533:                } catch (Exception exp) {
534:                    throw new javax.jbi.JBIException(exp.getMessage());
535:                }
536:            }
537:
538:            /**
539:             * Unregister custom MBeans
540:             */
541:            protected void unregisterCustomMBeans()
542:                    throws javax.jbi.JBIException {
543:                try {
544:                    ObjectName compMBeanName = mContext.getMBeanNames()
545:                            .createCustomComponentMBeanName("Configuration");
546:
547:                    mContext.getMBeanServer().unregisterMBean(compMBeanName);
548:                } catch (Exception exp) {
549:                    throw new javax.jbi.JBIException(exp.getMessage());
550:                }
551:            }
552:
553:            /**
554:             * ComponentContext.getLogger() registers a Logger MBean for the component. 
555:             * When the component is uninstalled the Logger MBean is unregistered.
556:             */
557:            protected void registerLoggerMBean() throws javax.jbi.JBIException {
558:                mContext.getLogger("com.sun.jbi.test.binding.logger", null);
559:            }
560:        }
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