Enterprise Applications Integration Using.Net and XML/Soap

Enterprise Applications Integration Using.Net and XML/Soap

Paperback

By (author) Carol Tavris, By (author) Deborah Saucier, By (author) Lorin Elias, By (author) Butch Clark

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  • Publisher: Addison-Wesley Educational Publishers Inc
  • Format: Paperback | 504 pages
  • Dimensions: 178mm x 230mm x 28mm | 699g
  • Publication date: 1 October 2004
  • Publication City/Country: New Jersey
  • ISBN 10: 0321202953
  • ISBN 13: 9780321202956
  • Illustrations note: Illustrations

Product description

One of the biggest issues facing IT departments is caused by different systemswhich don't communicate well together. Estimates of the cost run into themany billions of dollars a year. This problem affects businesses andorganizations of all sizes. Attempts to solve this are commonly referred to asEnterprise Application Integration. Originally most attempts at EAI were doneusing Java and J2EE, but more and more developers are convinced that the.NET Framework offers superior tools and processes.Butch Clark is one of those developers, and shows in this book how to use.NET to build an effective EAI solution. He starts by investigating severalcommon issues that software architects and developers face when workingthrough an integration problem. He then explains in detail one solution, whichhe calls the EAI Framework Project. The intent of this project is to be alearning tool, but it can certainly be used "as-is" to provide a commercialquality, off-the-shelf solution in a fraction of the time of developing one fromscratch. The companion web site at www.EAIFramework.com providesutilities and tools for customizing it to suit a developer's own needs.

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Author information

Butch Clark has more than twenty years of experience in software analysis, design, development, and enterprise back-end process integration. Specializing in enterprise integration and e-commerce, he is currently working with one of the world's leading insurance companies. A A(c) Copyright Pearson Education. All rights reserved.

Table of contents

1. The Great Integration Problem. ...Introduction. ...The Data Spread Issue. ...Opportunity Costs. ...People Costs. ...The Cost of Making Poor Business Decisions. ...Costs Resulting from Poor Customer and Partner Perceptions. ...Solving the EAI Problem. ...Integration as a Tool. ...Integration Diagrams. ...Defining Business Integration and EAI. ...Data View Versus Process View. ...Approaching an Integration Project. ...Get Management Support. ...Understand What's Happening Now. ...Understand What Should be Happening. ...The .NET Framework as a Solution. ...Summary. ...What's Coming Up. 2. What Do You Really Need? ...Introduction. ...A First Word on People. ...Common Trouble Spots. ...Corporate History and Culture. ...Monkey See, Monkey Do. ...Combating Trouble. ...The Information-Collection Phase. ...First Steps. ...Assembling a Team. ...Conducting Team Kick-Off Meetings. ...Gathering Information from End Users. ...Determining Scope. ...Determining What Systems Are in Place. ...Determining What Data Is Available. ...Determining What Manual Processes Are Available. ...Determining What Recurring Processes Are Being Performed. ...Determining What Business Tasks Need to Be Performed. ...The Analysis Phase. ...Begin the First Analysis. ...Gather System Interface Information. ...Summary. ...What's Coming Up. 3. Requirements. ...Introduction. ...Requirements Backgrounder. ...Our (Fictional) Company. ...The Way Things Are Now. ...Our Goals. ...The Major Features We Will Address. ...Systems Currently in Use. ...A More Detailed Look at Our Requirements. ...R001: Generally Acceptable/Open Interface. ...R002: Requests Accepted Regardless of Originating OS. ...R003: Open, Easy-to-Use "Request Language". ...R004: Capability to Track Every Request Sent into the System. ...R005: Must Be Secure. ...R006: Capability to Add Tasks Without Changing the System. ...R007: Capability to Talk to Virtually Any Other System, OS, or Software Package. ...R008: Capability to Define a Logical Request and Perform Tasks on Its Behalf. ...R009: Capability to Validate the Input Data. ...R010: Capability to Define Business Rules. ...R011: Capability to Identify Portions of Requests That Can Cause a Rollback. ...R012: Capability to Provide Management Reports. ...R013: Capability to Provide Administrative Functions. ...R014: Provide a Flexible User Authorization Mechanism for Various Parts (Per User). ...R015: Capability to Lock Out a User upon a Configurable Number of Password Failures. ...R016: Capability to Provide a Mechanism to Alert Support Staff of Errors in Real Time. ...R017: Capability to Add New Functionality to the System Quickly. ...R018: Capability to Continue Processing After Catastrophic System Failure. ...R019: Capability to Define Users and Their Roles, and Assign Administrator Privileges to Them. ...Summary. ...What's Coming Up. 4. Our Solution. ...Introduction. ...Platform Requirements. ...Solution Overview. ...The Input Requests Block. ...The Web Service Block. ...The EAI Framework Back-End Components Block. ...The Database Block. ...Integration Endpoints. ...High-Level Activity Diagram. ...Summary. ...What's Coming Up. 5. The Web Service. ...Introduction. ...Web Service Concepts. ...NET XML Web Services. ...Communication Protocol. ...The Login Process. ...Web Service Tools. ...Creating a Vanilla Web Service. ...The EAIFramework Web Service. ...Setting the Default Namespace. ...The ConfigData Class. ...The EAIConfig.xml File. ...The EAIUser Class. ...The Authenticator Class. ...The UtilityTester Program. ...Summary. ...What's Coming Up. 6. Logging. ...Introduction. ...System.Diagnostics Namespace. ...Trace and Debug Classes. ...Changeable Logging Levels. ...The TraceSwitch Class. ...Writing the Code. ...The DBLogProxy Class. ...The Logger Class. ...Summary. ...What's Coming Up. 7. The Controller. ...Introduction. ...Getting to the Controller. ...The Controller Structure. ...System.Messaging Namespace. ...Message Queue Types. ...Recoverable Messages. ...Sending a Message. ...Examining Message Queues. ...Reading Messages. ...RequestQueMonitor Project. ...RequestQueMonitor startListening() Method. ...RequestsProcessor Discussion. ...System.Reflection Namespace. ...RequestHandlerFactory.cs. ...RequestsProcessor Code. ...Summary. ...What's Coming Up. 8. RequestHandlers. ...Introduction. ...RequestHandlerBase Class. ...Extending RequestHandlerBase. ...Our First RequestHandler. ...Steps to Add a New Request Type. ...Checking Request-Specific Business Rules. ...Steps and Agents. ...Testing a New RequestHandler. ...Summary. ...What's Coming Up. 9. Steps. ...Introduction. ...Steps Overview. ...Error Handling. ...Step Database Tables. ...The StepFactory Class. ...The StepBase Class. ...Creating a RequestHandler to Call Steps. ...Summary. ...What's Coming Up. 10. Agents. ...Introduction. ...Structure of Agents. ...Calling an Agent. ...Expanding on an Agent. ...Summary. ...What's Coming Up. 11. Business Rules. ...Introduction. ...Verification and Validation Tasks. ...Checking for Tags. ...Checking for Complex Tags. ...Validating Tag Values. ...Performing Other Types of Validation. ...Pre-/Post-Filtering. ...The PreProcBusinessRules Class. ...The PostProcBusinessRules Class. ...The BusinessRulesBase Class. ...Calling BusinessRules from a RequestHandler. ...Summary. ...What's Coming Up. 12. Extending the System. ...Introduction. ...Some Basic System-Extension Rules. ...Examples of Extension, Customization, and Utilities. ...Security. ...Data-Validation Utility. ...External Request Validation. ...Utility to Report and Escalate Problems. ...Performance Metrics. ...Personalized Portal Interfaces. ...Configurable Processing Using a Bill of Material or Pipeline Strategy. ...Special Logging. ...Adding IP Checking. ...Summary. ...What's Coming Up. 13. Front Ends. ...Introduction. ...The Client Function. ...Running EAIClient. ...Creating a Front-End Application. ...Examining the EAIClient Code. ...Writing Your Own Front End. ...Web Application Front End. ...A Quick Java Client. ...The Java Code. ...A Quick Perl Submitter. ...Other Front-End Utilities. ...Summary. ...What's Coming Up. 14. The Database. ...Introduction. ...EAIFramework Database and Tables. ...Creating Your Database. ...Creating Your Tables. ...Stored Procedures and the Issue of Security. ...Stored Procedures. ...Proxy Classes. ...Scripts. ...Scripts to Initialize and Load Sample Data. ...Scripts to Pull Out Reporting Data. ...Script to Remove Sample Data. ...Summary. ...What's Coming Up. 15. UML. ...Introduction. ...UML Overview. ...Use-Case Diagrams. ...Statechart Diagrams. ...Class Diagrams. ...Sequence Diagrams. ...Activity Diagrams. ...Component Diagrams. ...Summary. ...What's Coming Up. 16. XML. ...Introduction. ...XML Overview. ...An XML Primer. ...Defining XML Documents. ...Defining XML Namespaces. ...Defining the System.XML Namespace. ...Reading XML with a TextReader. ...Reading XML with a DOM. ...Your First Foray into XPath. ...Summary. ...What's Coming Up. 17. SOAP Requests. ...Introduction. ...What Is SOAP? ...Your SOAP Headers. ...Using Custom Headers. ...Web Service Changes. ...Unknown SOAP Headers. ...The SoapFramework Class. ...Running This Web Service. ...Testing This Web Service. ...SOAP Extensions. ...Inserting Code into the Hooks. ...Summary. ...What's Coming Up. 18. Testing. ...Introduction. ...Why We Test. ...How We Test. ...Phases of Testing. ...Unit Testing. ...System Testing. ...Integration Testing. ...User Acceptance Testing. ...Testing Integration Systems. ...NET Framework Testing Tools. ...Summary. Appendix A. Interacting with the Windows Registry. ...Set Up the ConfigFile in the Registry. ...Read the ConfigFile Value from the Registry. Appendix B. Regular Expressions. ...A Quick Trip Through Regular Expressions. Appendix C. SQL and SQL Server. ...Introduction. ...SQL Server. ...Accessing SQL Server and SQL Query Analyzer. ...Exploring the Query Analyzer Interface. ...Explaining and Executing SQL. ...ADO.NET. ...Namespaces That Support SQL Server Access/ADO.NET. ...Major Classes. ...Proxy Classes for the EAIFramework Tables. ...Admin Program. Bibliography. Index.