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IBM Version 5 manual

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Dynamically generate XML from SQL queries at run time using the SQLToXML class library within a servlet.

How to use the datasource and the connection pooling within XMLToSQL and SQLToXML libraries within a servlet.

282 The XML Files: Development of XML/XSL Applications Using WebSphere Studio

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IBM Version 5 manual

Contents

XML Files Page International Technical Support Organization First Edition December Contents XML Collection Contents Part 4. Appendixes Abbreviations and acronyms Page Copyright License Trademarks CicsPreface Team that wrote this redbookPage Become a published author Comments welcomePage Part Page XML overview XML concepts BackgroundXML business benefits Information sharingXML within an organization Voice XML Technical benefits of XMLXML in new innovations Scalable Vector GraphicsSimplicity and openness Acceptability of use for data transferUniformity and conformity Separation of data and displayExtensibility XML historyIndustry acceptance XML1.0 Xslt and Web applications Web Tier Web services and XML Interaction of Web services XML, W3C, and IBMRecommendations Working drafts in developmentPage Technologies in XML XML Processor parser Tree-based parsingDTD and XML Schema Event-based parsingPage Schema and style using CSS, XSLT, and XSL Cascading Style Sheet CSS XML namespaces Example 2-1 a namespace exampleExample 2-2 a namespace example using namespace prefix Link and jump using XLink, XPointer, and XML Base Example 2-3 a simple link Example 2-4 An extended link Example 2-5 An example of extended links using xbase XML BaseXML Pointer XPointer paths and steps XPointer range functions XPointer string functions XPath Example 2-6 An XPath exampleXML digital Book LibraryTechnologies in XML Example 2-7 Information on passenger John Smith Examples of XML encryptionExample 2-8 Encrypted Information on passenger John Smith Example 2-9 Encrypting only the credit card number Example of a XML digital signatureExample 2-10 Encryption of the whole document Example 2-11 An XML digital signature TransformsExample 2-12 Part encryption of an XML document Example 2-13 The final XML document after encryption Other security specifications XML query languagePath expressions Element constructors FLWRFOR, LET, Where and Return clauses expression Conditional expressions if then ElseQuantifiers FilteringExample schema for relational database and Xquery comparison Querying relational dataGrouping in XQuery JoinsXslt compilers Xsltc Xslt interpretersFor more details, visit Using XSLTCThe Apache XML Project at Java Architecture for XML Binding Jaxb CocoonTransformers and actions processing steps Generators and reader pipeline inputsSerializer pipeline outputs Sitemap Matchers and selectors conditional processingExample 2-14 Sample sitemap for Cocoon Example 2-15 Components of a sitemap XML file Part 2 XML technology in IBM WebSphere Page Processing XML XML applications Xalan Xalan model of operationSAX2 Javax.xml.transforms interfaces operationExample 3-1 Sample XML document Example 3-2 Sample event breakdownSAX2 classes and interfaces Example 3-3 SAX2 callback methods XML namespace supportExample 3-4 Sample namespace DOM level2 DOM hierarchyExample 3-5 Sample XML document Sample generated DOM tree Jaxp Using Jaxp Example 3-6 Sample XML to Html transformation codeXslt support packages in Jaxp Stylesheet compilation Introduction to IBM WebSphere Application Developer WebSphere Studio product family WebSphere Studio familyWebSphere Studio Site Developer Advanced WebSphere Studio Application DeveloperWebSphere Studio Application Developer Integration Edition WebSphere Enterprise DeveloperTools Web development toolsRelational database tools XML toolsWeb services development tools Java development toolsTeam collaboration EJB development toolsDebugging tools Server tools for testing and deployment Performance profiling toolsFragment project Plug-in development toolsPlug-in project Plug-in componentApplication Developer XML Tools XML perspective Window-Open Perspective-XMLCreating an XML file from scratch XML perspective editorsXML editor Select the option Create XML file from scratchEditing an XML file XML editorValidating the XML file DTD editorCreating a DTD from scratch Using the Outline view to add DTD components DTD EditorXSD editor Creating a schema from scratchValidating DTD Using the Outline view to add schema components XML Schema EditorPop-up on schema file in the Outline view Making changes and referential integrityValidating schema NamespaceXSL editor Creating an XSL file from scratchEditing an XSL file Namespace supportValidating the XSL file Indicate all local elements to be qualified XPath support XPath Builder10 XPath definition 11 XPath Operators 12 XPath functions XSL debugger 13 XPath Query Result screen14 XSL Debugger Web Service Dadx group configuration wizard Web services supportWeb service wizard Application Developer XML Tools Page RDB and XML integration 101SQL to XML wizards Passenger List Select statementSQL to XML wizard panel XML and XSL files Show table column as optionExample 6-1 XSL file for Show table columns as ‘Elements’ Html XML file generated with the Elements option Html file Html with the ‘Recurse through foreign keys’ unchecked Html generated for Foreign key as links option XML Schema file Aircraft Html generated for ‘Foreign key as links’ optionRDB and XML integration 076/schema Sequence Example 6-4 XML Schema for Aircraft table DTD file Page Query template file Flight Cdata #REQUIREDStatement Options XML to SQL wizard Example 6-9 Customer.xmlXML to SQL wizard Selecting the connection 10 XML to SQL wizard Selecting Schema and Action DDL to XML Schema wizard 11 XML to SQL wizard Selecting the column12 Generate XML Schema Example 6-10 XML Generated through the DDL to XML SchemaRestriction base=string length value=30 SimpleType Element Example 6-11 XML Schema for a single table using a Select DB2 XML Extender XML Extender 13 shows an overview of the XML ExtenderAdministrative support tables created Administrative support tables, UDTs, and UDFsUDTs created Stored Procedures created UDFs createdDTD Repository Document Access Definitions DAD Example 6-12 DTD representation of a bookPage When to use XML Column method XML Column methodAs is xml document Elements/attributesXML Collection When to use XML Collection method 15 XML Collection Method overviewMapping schemes for XML collections Example 6-14 Sample DTDSQL mapping Employee table in Sample database Column name Data typeEmpact Table in Sample database RDBnode for the top elementnode Example 6-16 The RDBnodeRDBnode for each attribute and textnode XML Extender administration toolsExample 6-17 RDBnode mapping XML MQSeries enablement RDB and XML integration Page 145 DTD XSD Select passengerList.dtd Right-clickGenerate-XML SchemaClick Finish XML DTD/XSD Create an XML file from a DTD fileCreate an XML file from an XSD file Select passengerList.xsd Right-clickGenerate-XML File Create DTD/XSD files from XMLSelect Select file from Workspace option Example 7-1 Customer.xmlSelect customer.xml Right-clickGenerate-DTD Select Customer.xml Right-clickGenerate-XML SchemaExample 7-2 Customer DTD Select passengerList.xsd file Right-clickGenerate-HTML Doc Generate a Html from an XSDExample 7-3 Customer.xsd Click File-New-Project JavaBeans from DTD/XSDSelect J2EE Web Application Project. Click Next Select Generate sample test program. Click Finish Generate XML/XSL from JavaBeansSelect passengerList.xsd Right-clickGenerate-JavaBeans Example 7-4 passenger.javaPage Click File-New-Java Bean XML Client Input XML Form screenGenerate XML/XSL from Html Click File-New-OtherPreparing the Html file for generation Adding annotation tagsExample 7-5 cus-template.xhtml Select Customer.xhtml. Click Next Select cus-template.xhtml Right-clickGenerate-XSL FileExample 7-6 Customer.xml Page Part 3 XML application development 161Page WebSphere and XML approaches 163XML in Application development Web services Passenger List application Solution Outline XML in this application Web ServicesServlet Client Web TierTechnical implementation overview Development and running of the Passenger List applicationPage Advantages of using the database DiscussionEnterprise JavaBeans Interprise Application Server Customer Registration application Technical overview Page Developing XML Web services 177Creating the Web tier ServletCreate the Airline simple project Name TypeSelect File-New-XML Schema Design the XML SchemaCreate the Travel Web project Select root node PassengerList DOM TreeCreating XML Schema XML Schema Example 9-1 PassengerList.xsd Html and mapping approach Generate XML fileDesign an output Example 9-2 Static XML fileExample 9-3 html.dtd Select required and optional content, click FinishExample 9-4 html.xml source Generate an XSL file XML to Html mappingMapping XML to Html Source TargetCreate an XSL from scratch Generating XSL from XhtmlTesting the XSL Developing the servletJavax.xml.transform.Source Example 9-5 GetPassengerList Server doGet methodJavax.xml.transform.TranfrormerFactory Test the passenger list applicationCompiling XSL Javax.xml.transform.TransformerCreating a Web service 11 XML Web serviceRight-clickNew Connection Create the database tierClick Window-Open Perspective-Data Right-clickImport to folderGenerate DTD file PassengerList.xsd-Generate-DTD FigureLoading DTD into XML Extender 13 Generated DTD FileMembership Creating DAD file using RDB to XML mappingSelect RDB Table to XML Mapping, click Next Click Mapping-Edit Join Conditions 15 Edit Join ConditionsSelect passengerList.rmx 16 RDB to XML mappingCreate the Web Service from Dadx file DAD ExtensionWeb services and DB2 XML Extender Dadx GroupGroup.properties File Generating the Dadx NextDadx operations 18 Dadx GenerationRetrieveXML Example 9-6 Updated Dadx file Deploying the Web serviceStoreXML 19 Web Service settings Example 9-7 namspacetable mapping entryTest the Web Service 20 Testing Web ServiceModify passenger list application to use the Web Service Mapping DTDIDs to XSD namespaces and locationsExample 9-9 Changing root element Modifying the XSL fileExample 9-8 Namespaces Example 9-10 passengerList.xslPage Creating Html input form CenterUsing Java proxy 22 Input form GetPassengerList.htmlConclusion 23 passengerList resultPage Development of XML-based Enterprise applications 215Multi-tier solution architecture XML based Enterprise application architectureSolution outline for customer registration sample Customer registrationRetrieving customer information Customer registration scenario outlineDeveloping the customer registration sample Retrieving customer data scenario outlinePreparing to create the Web tier JavaBean to XML client wizardCustomer JavaBean class specification Creating the Web tierJavaBean XML/XSL client wizard JavaBean XML/XSL client JavaBean selection JavaBean XML/XSL client methods and properties selection JavaBean XML/XSL client input form design 10 JavaBean XML/XSL client results form design 11 JavaBean XML/XSL client prefix specification Investigating the Web-tier generated filesPage Java Bean ProduceDOM DocumentOrg.w3c.dom.Document XML DataExample 10-2 Source code for CustomerXSLServlet init method Development of XML-based Enterprise applications XML Document ProduceDOMDocumentXslt Processor Stylesheet Transformer Example 10-4 Source code for the servlet doPost method Form action=/Registration/CustomerXSLServlet method=post Membership Example 10-10 Sample of CustomerResult stylesheet form Example 10-12 Schema file for the XML data Validating the Web tierBuilding the entity EJB and the database schema 15 Customer registration formPreparing to create the entity EJB Project configurationEJB mapping approaches review Creating the entity EJB17 Create an Enterprise Bean wizard Creating the database mapping and tables 18 Enterprise bean details19 EJB to RBD Mapping wizard for CustomerInfo module 20 Target database specification 21 EJB to RDB mapping editor Access beans 22 Database connection definitionCreating an access bean for the entity bean 23 Access Bean creation wizard Creating a Jdbc data source24 Data source definition for a server configuration Binding the EJB to a Jdbc data source 25 Jdbc data source definitionIntegrating the entity EJB with the Web tier Modifying CustomerXML27 CustomerInfoWeb project properties Example 10-13 create source codeModifying CustomerXSLServlet Example 10-14 CustomerXSLServlet doPost source codeExample 10-15 Retrieval function Application deployment and testingRetrieval function Example 10-16 Confirming the creationTesting the registration application 28 Generating the deployed code for the EJB29 Customer Registration form Page Light weight XML-based Enterprise Application 257SQL-XML solution architecture SQL to/from XML librariesLight weight XML-based Enterprise Application Customer registrationRetrieving customer information XSL Servlet Adding the libraries to the project XML Document formatXMLToSQL architecture Converting an XML DocumentInitializing the XMLToSQL class Modifying CustomerXSLServletXMLToSQL Modifying the produceDOMDocument method Creating an XML DocumentExample 11-1 initSQLProperties method We need to change to Example 11-2 ProduceDOMDocumentforToolsExecuting the XMLToSQL class Example 11-3 CustomerXSLServlet doRegister methodExample 11-4 CustomerXSLServlet doPost method Modifying the doPost methodExample 11-5 The xslif tag Adding the error case Example 11-6 Customer.XSL firstname templateStatement Retrieving a customerJdbcDriver FormatSQLToXML Initializing the SQLToXML classExample 11-7 initQueryProperties method Executing the SQLToXML class Example 11-8 CustomerXSLServlet doQuery methodExample 11-9 CustomerXSLServlet doPost method for query Modifying the showPage methodExample 11-10 showPage method Example 11-11 showPage method Modifying the doGet methodExample 11-12 Customer.XSL membership template Example 11-13 Result XSL Page Using datasource with SQLToXML and XMLToSQL class Customer Registration formClass definition Getting the datasourceExample 11-14 setDatasourceMethods ConstructorsExample 11-15 setDatasourceMethods Execute methods Conclusion 11 Core data is an XMLPage Deploying your Web application 283Manual deployment Exporting your project from Application DeveloperInstalling the EAR file on WebSphere AEs Starting the WebSphere AEs Admin ConsoleInstalling the EAR Select Enterprise ApplicationsTesting the application Publishing to a remote server AEs Creating a remote server instanceCreating a remote server instance WebSphere Studio Application Developer Programming Guide Remote server instance settings Remote file transfer option Remote copy options WebSphere Studio Application Developer Programming Guide Publishing to remote server WebSphere Studio Application Developer Programming Guide Part 4 Appendixes 297Page 299 Things to do before installation Installing Application DeveloperWebSphere Studio Application Developer installation Selecting your workspace Select optionsVerifying the installation Programs-IBM WebSphere Studio Application Developer-IBMWebSphere Studio Application Developer Programming Guide 305 Hardware and software prerequisites Create groups and usersCheck that IP ports are unused Install WebSphere Application ServerStop the Web server processes 10 Installation options 11 Security options 12 Snoop servlet accessed through embedded Web server Locating the Web material Using the Web material311 How to use the Web material System requirements for downloading the Web materialAbbreviations and acronyms 313OTS Other resources IBM RedbooksReferenced Web sites 315How to get IBM Redbooks IBM Redbooks collectionsIndex 317Jaxp Wsaa Xacml Xsltc 48 Spine 475-0.875 250 459 pages Page Page XML Files