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Unformatted text preview: 2020-08-25T00:00:00" RequiredDate=“2020 09-22T00:00:00" =“2020RequiredDate=“2020-09-22T00:00:00" ShippedDate=“2020 09-02T00:00:00" =“2020ShippedDate=“2020-09-02T00:00:00" /> </ROOT> XML Overview XML Schemas XML schemas describe the structure of an XML document XML schemas describe the tag and attribute specifications Simple and compound data types XML schemas also describe constraints on the contained text 12 SOAP Overview A lightweight protocol for exchanging information in a distributed, heterogeneous environment It enables cross-platform interoperability Interoperable OS, object model, programming language neutral Hardware independent Protocol independent Works over existing Internet infrastructure SOAP Overview Guiding principle: “Invent no new technology” Builds on key Internet standards SOAP ≈ HTTP + XML Tutorial: http://www.w3.org/ The SOAP specification defines: The SOAP message format How to send messages How to receive responses Data encoding 13 SOAP SOAP Is Not… Objects-by-reference Message-oriented Complicated Doesn’t try to solve every problem in distributed computing Can be easily implemented SOAP Messages A SOAP Message can be one of three types: Method call Contains name of method and parameters Method Response Return values Fault Message SOAP fau...
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This note was uploaded on 04/04/2014 for the course CS 5950 taught by Professor Staff during the Summer '08 term at Western Michigan.

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