JBoss ESB : Beginner's Guide ; A Comprehensive, Practical .

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JBOSS ESBBeginner's GuideAcomprehensive, practical guide to developingservice-based applications using the Open SourceEnterpriseService BusKevin ConnerTomCunninghamLen DiMaggioMageshKumar Bopensourcecommunity experience distilledPUBLISHINGBIRMINGHAM-MUMBAIJBoss

Table of ContentsPrologue—the need foran1ESBPreface3What is "JBoss"?JBoss is alsoa34communityWhat is Open Source and whatare itsadvantages?What is middleware?What is6SOA? What isananESB?What is JBoss ESB?What89capabilities does JBoss ESB have?Why JBoss ESB?1011What is JBoss ESB'sWhat4relationship with SOA?community provide?does the JBoss ESBresourcesOnline forums withadifference1212TheuserThedeveloper forum13Other useful documents13Mailingforum1213lists14JIRA announcements andbugsLive chatWhatare15the JBossWhat this bookprojectandproduct models?coversChapter bibliographyChapter1:14151518Getting Started23.JBoss ESB23DownloadingDownloading and installing an application serverTime for actiondownloading and installing JBoss ASChoosing which JBoss ESB distribution is right for you-252528

Table of ContentsTime for actionReviewing-downloading and installing jbossesb-4.10.zipthe contentsTime for action-ofjbossesb-4.10.zipdeploying JBoss ESB to JBoss AS-modifyinga3334Testing the installation-3033profileDeployable Java archivesTime for action3033Keeping things slimTime for action29testingthe installation34LookinglogsFinding the logs35Time for action36at-35viewing the deployment of an application in the server.log37ConsolesTime for action- examiningWhat do you do if youansee an38MBean39error?40SummaryChapter 2: Deploying your Servicesto the ESBThe4141quickstartsAnatomy of a deployment43providers,Other deployment filesHelloworld quickstartTime for actiondeploying the quickstartJBossESB archive remotelyDeploying a44Time for action-50Time for action-Defining theservices, and listeners-accessingthe admin consoleperforming the deployment4647485051Introduction to JBDS54Time for action-54Time for action-Runningdownloading JBDSinstalling JBDS55JBDS60Time for action-Time for action-Deployingthesettingusingup the ESB runtime in JBDSJBDS toquickstartTime for action-runthequickstartin g6368707175Understanding ServicesJBossTime for actionExamining theExaminingDeveloper Studio-opening the Chapter3 appstructure of ESB messagesthe message7778788080

Table of ContentsTime for actionprinting the messageMessage implementationsThe-structurebody818484Time for action-examiningthe mainpayloadThe header8589Routing information89Message identity and correlation90Service actionTime for action91-examining the headerThe context93validationMessageConfiguring through the ConfigTreeConfiguring properties in the jboss-esb.xml fileTraversingtheConfigTree hierarchyAccessing attributesTime for actionexamining configuration propertiesService pipeline and service invocationLifecycle methods-Processing methodsTime for action91-examining exceptions9495959696979999101103Dynamic methods105MEP106(Message Exchange Pattern) and responsesServicelnvoker108Synchronous delivery109Asynchronous delivery109Time for actionexamining exceptionsComposite services-110112Service Chaining112Service Continuations114Transactions115Security contextSummary117Chapter4: JBoss ESB Service ActionsUnderstandingWhat is118anactionsaction class?119119120The action chain121Custom actions123Lifecycle actions123JavaBean actions126Custom actions127using annotationsLifecycle annotations128Processing annotations129

Tableof ContentsOut-of-the-box(OOTB) actions—how and whento use themScriptingServices—invokingservices/SOAPTime for actionrunning the quickstartTransformers/convertersSmooks message fragment processing--132EJBsWebTime for action131running the quickstart134134135136138140RoutersTime for action-implementing content-based routing*42144NotifiersTime for action-let'ssee hownotifiers work144Business Process ManagementI45Drools146BPEL processes146Chapter bibliographyI48SummaryI48Chapter5:Message Deliveryonthe Service Bus143150The busPreparingDeveloper StudioJBossTime for action-Time for action-File Filterscreatingopening the Chapters app-using151152154Transport providersTime for action151aFile provider155InVM transport157Transactions with InVM transport158Time for action-InVM messageControllingtestingInVM transactionsoptimizationdeliverylock-step deliveryInVM messageTime for action-usingInVM threadsTime for actionProvider-159162164165168increasing listener er171providerFile provider172SQLSummary173374

Table of ContentsChapter 6: Gateways and Integrating with External ClientsWhat isagateway andHow dowecomposenotifier?176messages?177a178Simple composer examplePreparingJBossStudioDeveloper179The J MS gatewayTime for action-180using the JMS gateway180The File gatewayTime for actionThe HTTP-182using the File gateway182184gatewayTime for action-175HTTP gatewayusing theThe HTTP bus and HTTPprovider185187The Camel gateway188The FTP gateway189The UDP gatewayTime for actionThe JBoss-189using the UDP gateway192Remoting gatewayTime for action-190using the JBR gateway193The Groovy gateway194The SQL gateway195Time for action-using the SQL gateway195The JCA gateway198Summary199Chapter 7:How ESB Uses theRegistry to Keep Track of Services201The registry—what, how, and why?202UDDI—theregistry's specificationjUDDI—JBoss ESB's default registryConfiguring jUDDI for different protocolsLooking at jUDDI's database203Time for action208Other-supportedlookingUDDIat thejUDDI registry database206209End-point reference209at EPRslookingJAXR—introducing the Java-205209providersCustom registry solutionsTime for action205API for gistrymaintenance andRegistry interceptorsperformance213214

Tableof ContentsMonitoring214Examining jUDDI queryTime for actioncountsquerying theChapter bibliography-UDDI server220Chapter 8: Integrating Web Services with ESBJBossDeveloper StudioTime for action-Time for action-Exportingas arunning-web ring the samplesecurity mechanisms-ESB web service client230233234soapUl clientTime for action221228implementationTime for actionOtherpreparing the Chapter8 applicationswitching consolesESB servicesTime for actionAction216220SummaryPreparing215234ESB SOAP client-234Request processing236Response processing238The Wise SOAPCIientTime for actionRequestIncorporating-239the Wise SOAP Clientand response processingCustom handlersCo-located web servicesSOAPProcessorTime for action240241243244245incorporating a SOAPProcessor clientWeb service proxiesSOAPProxyTime for action incorporating SOAPProxy into the applicationTweaking 51Sample properties251CustomconfiguratorSOAPProxy security pass throughCleaning up deployments252Time for action255Summary-SOAPProxy security pass through253254257

Table of ContentsAppendix A: Where togo Next with JBoss ESB?Creating service definitions with theUsing otherUDDIUsing otherJBoss259JBDS ESB editorproviders (HP Systinetproject technologiesand SOA Software ServiceJBoss Drools and rules-based services259Manager)262263263JBoss Riftsaw and BPEL services268JBoss jBPM and Business Process Management272Using Maven withJBoss ESB274Compiling with MavenESB packaging with Maven275276How to test your ESB servicesTestinga278single illianCargoChapter bibliographyAppendixB:282283285286Pop-quiz Answers287Index289Ivlll

JBoss ESB : beginner's guide ; a comprehensive, practical guide to developing service-based applications using the op

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