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Building XML Web Services for the Microsoft® .NET Platform
Author Scott Short
Pages 464
Disk 1 Companion CD(s)
Level All Levels
Published 02/27/2002
ISBN 9780735614062
ISBN-10 0-7356-1406-7
Price(USD) $59.99
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Table of Contents


    Introductionxiii
1  Why Web Services?1
    Web Services Building Blocks 4
    Web Services Design Decisions 5
        Choosing Transport Protocols 5
        Choosing an Encoding Scheme 6
        Choosing a Formatting Convention 7
        Choosing Description Mechanisms 8
        Choosing Discovery Mechanisms 9
    What's Missing from Web Services? 9
    Summary 10
2  Creating a Basic Web Service11
    A Simple Commerce Application 12
        Creating a Web Form 12
        Creating a Payment Web Service 15
        Updating the Order Web Form 17
    The Web File Share Application 19
        Creating the WebFileShare Web Service 19
        Creating the WebFileUtil Program 21
    Summary 26
3  SOAP29
    Anatomy of a SOAP Message 31
        SOAP Actors 32
        The Header Element 32
        The Body Element 36
    Using SOAP RPC Messages 38
    SOAP Encoding 41
        Simple Types 41
        Compound Types 41
        Passing Parameters by Reference 49
    Protocol Binding 54
    Summary 56
4  XML Schema59
    Describing XML Documents 60
    Built-In Datatypes 62
        Integers 63
        Strings 63
        Binary Data 65
    Namespaces 67
        targetNamespace Attribute 67
        xmlns Attribute 68
        schemaLocation Attribute 70
        noNamespaceSchemaLocation Attribute 71
        XML Schema and XML Schema Instance Namespaces 72
    Element Definitions 72
    Custom Datatypes 73
        Simple Types 73
        Complex Types 78
        Element and Attribute Groups 86
        Namespace Scoping 86
        Polymorphism 89
        Restricting Inheritance 92
    Summary 95
5  Using WSDL to Document Web Services97
    WSDL Document Syntax 98
        definitions Element 99
        types Element 100
        message Element 102
        portType Element 104
        binding Element 106
        service Element 108
        Extensibility Elements 109
        SOAP Extensions 109
        HTTP GET/POST Extensions 113
        import Element 120
        Documentation 120
    The Calculator Web Service WSDL Document 121
    Summary 125
6  ASP.NET127
    Creating an ASP.NET Web Service 128
    Transport Protocols and Bindings 134
    Web Service Documentation 136
    Raising Errors 140
    SOAP Encoding Styles 143
        Encoding References 146
    Interface Inheritance 150
    Managing State 155
        Session State 155
        Application State 160
    Defining and Processing SOAP Headers 165
        Processing Unknown Headers 172
    Using SOAP Extensions 173
        SOAP Extension Attributes 174
        SOAP Extension Class 176
    Using the WSDL Utility to Generate Proxy Code 190
        Proxy Class 192
        Cookies 201
    Summary 202
7  XML Serialization 205
    Controlling XML Serialization 206
    Defining the Root PurchaseOrder Datatype 207
    Defining the Items Array 214
    Creating Derived Datatypes 220
    Creating an Open PurchaseOrder Schema 221
    Defining the AcceptPO Web Method 223
    Server-Side Validation224
    Implementing Custom Serialization 225
    Summary 226
8  Using Remoting to Build and Consume Web Services 227
    Remoting vs. ASP.NET 227
    The Grabber.NET Application 229
        Remoting Architecture 230
        Creating an IIS-Hosted Web Service 232
        Creating a WinForm-Hosted Web Service 236
        Accessing Web Services 241
        Adding SOAP Headers 247
        Generating WSDL 250
        Suds WSDL Extension Elements 251
    Summary 252
9  Discovery Mechanisms for Web Services255
    UDDI 256
        UDDI Architecture 256
        UDDI API 257
        UDDI SDK 260
        UDDI Enterprise Server 261
        Registering the Purchaser 262
        Registering the Supplier 277
        Visual Studio .NET Integration 282
    DISCO 284
        Visual Studio .NET and DISCO 285
    Summary 287
10  Building Secure Web Services 289
    An Introduction to Threat Modeling 289
        Brainstorming Threats 290
        Choosing Techniques to Mitigate the Threats 292
    Web Service Security Technologies 295
        Web Services Authentication 296
        Web Services Authorization 301
        Web Services Privacy and Integrity 302
    Security Technologies in the .NET Framework 304
    Future Web Service Security Technologies 306
    Common Security Mistakes 306
        Mistake #1: Storing Secret Data Insecurely 307
        Mistake #2: Connecting to SQL Server Incorrectly 308
        Mistake #3: Building Insecure SQL Strings 309
    An In-Depth Example 309
        The Insecure Version (Do Not Try This at Home!) 309
        A Secure Solution 311
    Summary 313
11  Debugging Web Services 315
    Interactive Debugging 315
        The Basics of Debugging 316
        Remote Debugging 317
        Web Services-Friendly Call Stack 318
    Information the Debugger Needs 320
        Assembly Metadata 320
        Program Database 321
        Tracking Information 322
        Debugging Dynamically Compiled Source Code 325
    Instrumenting Web Services 326
        Tracing 326
        Event Log 336
        Performance Counters 338
    Tips and Tricks for Debugging 343
    Summary 344
12  Scalability and Availability 347
    Scaling Your Web Service 348
        Scaling Up 348
        Scaling Out 349
        Overcoming Scalability Bottlenecks 353
    Maintaining High Availability 354
        Highly Available Scale-Up Resources 355
        Highly Available Scale-Out Resources 357
        Programming Against a Highly Available Resource 358
    Third-Party Web Services and Availability 359
        Failing Over to an Alternative Web Service 360
        Creating an Offline Mode of Operation 363
    Optimizing Performance 364
        Caching 365
    Summary 372
13  The Future of Web Services 373
    Introducing .NET My Services 374
        Securing .NET My Services 377
        Working with .NET My Services 378
    The Global XML Web Services Architecture (GXA) 382
        WS-Inspection 384
        WS-Security and WS-License 387
        WS-Routing 393
        WS-Referral 396
        WS-Referral Registration Message Exchange 398
        Dynamic Application Topologies 399
    Orchestrating Web Services 400
    Summary 405
APPENDIX XML  Schema Built-In Types 407
INDEX 411



Last Updated: February 6, 2002
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