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Overview

Overview. SOAP 101 WSDL 101. SOAP 101. SOAP stands for Simple Object Access Protocol SOAP is a communication protocol SOAP is for communication between applications SOAP is a format for sending messages SOAP is designed to communicate via Internet SOAP is platform independent

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Overview

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  1. Overview • SOAP 101 • WSDL 101

  2. SOAP 101 • SOAP stands for Simple Object Access Protocol • SOAP is a communication protocol • SOAP is for communication between applications • SOAP is a format for sending messages • SOAP is designed to communicate via Internet • SOAP is platform independent • SOAP is language independent • SOAP is based on XML • SOAP is simple and extensible

  3. SOAP Envelope SOAP Header SOAP Body Soap Body Parameters SOAP Skeleton <?xml version="1.0"?> <soap:Envelope xmlns:soap="http://www.w3.org/2001/12/soap-envelope“ soap:encodingStyle="http://www.w3.org/2001/12/soap-encoding"> <soap:Header> ... ... </soap:Header> <soap:Body> ... ... <soap:Fault> ... ... </soap:Fault> </soap:Body> </soap:Envelope>

  4. Example Soap Request <?xml version="1.0"?> <soap:Envelope xmlns:soap="http://www.w3.org/2001/12/soap-envelope" soap:encodingStyle="http://www.w3.org/2001/12/soap-encoding"> <soap:Body xmlns:m="http://www.stock.org/stock">    <m:GetStockPrice> <m:StockName>IBM</m:StockName>     </m:GetStockPrice> </soap:Body> </soap:Envelope>

  5. Example Soap Response <?xml version="1.0"?> <soap:Envelope xmlns:soap="http://www.w3.org/2001/12/soap-envelope" soap:encodingStyle="http://www.w3.org/2001/12/soap-encoding"> <soap:Body xmlns:m="http://www.stock.org/stock"> <m:GetStockPriceResponse> <m:Price>34.5</m:Price> </m:GetStockPriceResponse> </soap:Body> </soap:Envelope>

  6. WSDL 101 • WSDL stands for Web Services Description Language • WSDL is written in XML • WSDL is an XML document • WSDL is used to describe Web services • WSDL is also used to locate Web services

  7. WSDL Elements • A WSDL document describes • What can the service do • Where it resides • How to invoke it

  8. WSDL Skeleton <definitions> <types> definition of types........ </types> <message> definition of a message.... </message> <portType> definition of a port....... </portType> <binding> definition of a binding.... </binding> </definitions>

  9. WSDL Example <message name="getTermRequest"> <part name="term" type="xs:string"/> </message> <message name="getTermResponse"> <part name="value" type="xs:string"/> </message> <portType name="glossaryTerms"> <operation name="getTerm"> <input message="getTermRequest"/> <output message="getTermResponse"/> </operation> </portType>

  10. Next Chapter • Creating Web Service

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