Question: What is SOAP?Answer: SOAP is an XML-based protocol for exchanging information between computers. Although SOAP can be used in a variety of messaging systems and can be delivered via a variety of transport protocols, the main focus of SOAP is Remote Procedure Calls (RPC) transported via HTTP. Like XML-RPC, SOAP is platform independent, and therefore enables diverse applications to communicate with one another.To get a quick sense of SOAP, here is a sample SOAP request to a weather service (with the HTTP Headers omitted): <?xml version='1.0' encoding='UTF-8'?> <SOAP-ENV:Envelope xmlns:SOAP-ENV="http://www.w3.org/2001/09/soap-envelope" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"> <SOAP-ENV:Body> <ns1:getWeather xmlns:ns1="urn:examples:weatherservice" SOAP-ENV:encodingStyle=" http://www.w3.org/2001/09/soap-encoding> <zipcode xsi:type="xsd:string">10016</zipcode> </ns1:getWeather> </SOAP-ENV:Body> </SOAP-ENV:Envelope> |
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