J2EE Web Services on BEA WebLogic

Description

This book describes the lifecycle of activities for IT projects -design,development, deployment and management. The concepts are peppered withlessons learned from a real implementation of web services at Hewlett-Packardwith external business partners. Those who want to go beyond understandingconcepts and actually implement web services will find this book a greatreference. Special attention is given to topics one would encounter in largeenterprises -- business relevance, prototyping, methodologies, tying to existinginfrastructure, testing and manageability.

Back Cover

"Very impressive work. This book is valuable for beginning and intermediate technologists." Dwight Mamanteo, Technical Manager, BEA Systems

"Provides explanations of Web services, tuning tips, and discussions on security that will likely be of benefit to developers as they create their Web services." Robert W. Husted, Member, Technical Staff, Requisite Software

• Build Web services infrastructure based on service-oriented architecture (SOA)
• Implement enterprise-class Web services using WebLogic and J2EE
• Complete lifecycle coverage with best practices: design, prototyping, development, testing, deployment, and management

You've seen plenty of theory about Web services. This book is about the reality: what it takes to successfully implement J2EE Web services with BEA WebLogic in complex enterprise environments. Anjali Anagol-Subbarao, one of the world's leading Web services experts, offers powerful insights for every stage of the Web services lifecycle: design, prototyping, development, testing, deployment, and management.

Anagol-Subbarao draws on her experience architecting and building Web services infrastructure for HP's worldwide operations and takes on the challenges that face every enterprise implementer. She demonstrates how to design robust Web services that align with business processes, smoothly integrate with existing infrastructure, deliver superior performance and security, and can be managed effectively. Coverage includes

• Primers on WebLogic Workshop, WebLogic Server, WLI, and J2EE Web services technology
• Building effective service-oriented architectural (SOA) frameworks
• Translating designs into working code
• Designing for end-to-end security and tuning for high performance
• Testing Web services and deploying them to production environments
• Addressing the unique challenges associated with managing distributed Web services

© Copyright Pearson Education. All rights reserved.

Contents

Foreword.

Introduction.

Developments Leading up to Web Services.

What Are Web Services?

Platforms for Developing Web Services.

Web Services Standards Organizations.

Web Services Standards.

XML.

SOAP.

WSDL.

UDDI.

WS- Security.

Summary.

Overview of J2EE.

The J2EE Architecture.

J2EE Components.

J2EE Containers.

J2EE Services and APIs.

Assembling a J2EE Application.

Web Services Support in J2EE.

J2EE 1.4 Specification.

Summary.

References.

Building Blocks of the WebLogic Platform.

WebLogic Server.

WebLogic Workshop.

Workshop Integrated Development Environment.

Workshop Runtime Framework.

WebLogic Control Framework.

Web Flow Framework.

Project Beehive.

WebLogic JRockit.

WebLogic Integration.

WebLogic Portal.

Support for Web Services.

Support for SOAP in WebLogic Server.

Support for WSDL in WebLogic Server.

Support for Creating Web Service Clients.

Building and Deploying Web Services.

Summary.

Understanding the SOA.

Architecture.

Infrastructure.

Using Web Services to Implement an SOA.

Defining the Service Interface.

Implementing the Service Interface.

Registering the Services.

Factors Driving the Business Decision.

Going Live with Web Services: HP Case Study.

Challenges Faced.

Goals of the Project.

The Web Services Solution.

Benefits of the Solution.

Summary.

Designing Interoperability.

Conforming to Standards.

Designing WSDL First.

Selecting SOAP Messaging.

Publishing Enduring Web Services Contracts.

Integrating Through Loose Coupling.

Choosing an XML Strategy.

Versioning New Releases.

Effectively Using Business-Tier Systems.

Facilitating Asynchronous Communication.

Using a Coarsely Grained Approach.

Exposing Business Logic Components.

Planning a Robust Production Environment.

Security.

Scalability and Performance.

Manageability.

Summary.

Designing WSDL with XMLSPY.

XMLSPY WSDL Editor.

Specifying Types.

Specifying Services.

Specifying portTypes.

Specifying Messages.

Specifying Bindings.

Validating the Completed WSDL.

Adding Operations to the WSDL.

Prototyping Using Workshop.

Main Components of Workshop.

Creating a Web Service from the WSDL.

Web Service as JWS Files.

Testing the Web Service Using Workshop.

Testing the Web Service Using a Client.

Design for Versioning.

Versioning the Interface.

Versioning the Implementation.

Summary.

Building an Asynchronous Web Service.

Callbacks.

Conversations.

Buffering.

Polling as an Alternative to Callbacks.

Using SOAP with Attachments.

Sending a SOAP Attachment.

Receiving a SOAP Attachment.

SOAP Attachments in the Real World.

Future Approach for Dealing with Binary Data.

Transforming XML Messages.

XQuery Map.

ECMAScript.

Discovering Web Services Through UDDI.

UDDI Explorer.

Web Service Control.

Deploying to Production Environment.

Manual Creation of Server Resources.

Viewing and Testing the Assembled Web Service.

Summary.

Using Workshop Control Framework.

Building a Custom Control.

Building a Database Control.

Building an EJB Control.

Using an ISV Control.

Using Local Controls and Control Projects.

Controls and Software Reuse.

Binding Java to XML Using XML Beans.

Understanding XML Beans.

XML Beans Hierarchy.

Using XQuery and XPath Expressions.

Using XML Cursors.

Parsing XML.

Using the StAX Parser.

Comparison to SAX and DOM.

Summary.

Building EJBs in WebLogic Workshop.

Example for Creating EJBs.

Creating an Entity Bean.

Creating a Session Bean.

Strengthening EJB Deployment Using WebLogic Server.

Connecting to EIS Using the Application Integration Framework.

Understanding Elements of J2CA.

Components of WLI.

Summary.

10. Managing Business Processes.

Web Services and Business Process Management.

Business Process Management.

Orchestration, Choreography, and Collaboration.

Using WLI for Business Process Management.

Three Stages of a BPM Solution.

Building a Business Process in Workshop.

Importing-Exporting PD4J WS-BPEL.

Specification.

Processes.

Grammer of WS-BPEL.

Implementing ebXML in WLI.

ebXML and Web Services.

WLI and ebXML.

Summary.

11. Security of Web Services.

Overview on Security Considerations.

Two-Way SSL.

How Does SSL Work?

Two-Way SSL in WebLogic Server.

Issues with SSL Encryption.

XML Firewalls.

WS-Security.

WS-Security Documents.

WS-Security and Interoperability.

Designing for Security Using WSS.

WS-Security in WebLogic.

Security Standards in Identifying Management.

Liberty Alliance.

SAML.

Summary.

12. Enhancing the Performance of Web Services.

Understanding Performance Constraints.

Creating and Terminating HTTP Connections.

Converting to and from XML.

Processing SOAP Messages.

Securing Web Services.

Identifying Performance Bottlenecks.

Factors Impacting Performance.

HP OpenView Transaction Analyzer.

Improving Web Service Performance.

SOAP Implementation Options.

XML Parser Selection.

XML Compression.

XML Accelerators.

SSL Accelerators.

Improving the Business Logic Layer and Database Performance.

Leveraging Patterns.

Tuning EJBs.

Tuning the Database.

Tuning the JVM.

Summary.

Approach to Web Services Testing.

Differences from Traditional Testing.

Extending Current Testing Methods.

Invest in Testing Tools.

Building Your Test Suite.

Test View in WebLogic Workshop.

Unit Testing.

Functional Testing.

Integration Testing.

Interoperability Testing.

Regression Testing.

Performance Testing.

Load Testing.

Stress Testing.

Capacity Planning Testing.

Summary.

Why Managing Web Services Is Different.

Managing at Different Levels.

Comparing with Traditional IT Management.

Evolution of Management Stack.

Using JMX Architecture.

Using JMX on WebLogic Server.

Using JMX with HP OpenView.

Using J2EE Management Specification.

Using Web Services Distributed Management.

Management Using Web Services (MUWS) Specification.

WS-Resource Framework.

WS-Notification.

Management of Web Services (MOWS).

Selecting a WSM Tool.

Core Capabilities.

Business Monitoring.

Controlling Management Functions.

Other General Evaluation Criteria.

Lifecycle Management for Web Services.

Concept of Business Service.

WSM.

Effective Improvements Using LCM4WS.

Web Services Network Monitoring.

Summary.

Index.

Features

From prototype to product launch--implementing J2EE Web Services using today's most popular web application server.

° Goes deeper into building web services within the context of business processes, using the UML design methodology for design and addresses Web Services Manageability.

° BEA WebLogic Server is the world's dominant J2EE Web application server.

Author

J2EE Web Services Using BEA WebLogicAbout the Author

Anjali Anagol-Subbarao has over a decade's experience in IT, including more than four years developing leading-edge Web services. She was among the first architects to build Web services in real-world business environments, and led the first Web services project of HP to integrate its consumer business operations with twelve of the largest retailers in the USA. She is now helping to architect and build the Web services infrastructure based on SOA for HP's global operations, and has four Web services patents pending.

© Copyright Pearson Education. All rights reserved.