xxx xml version10 soapEnvelope envelope

Xxx xml version10 soapenvelope envelope

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RESTful Web services The currently more popular Web service model Following the principles of Representational State Transfer ( REST ) an architecture style for designing networked applications principles include client-server, stateless, cacheable, uniform interface, etc. As compared to its counterpart, SOAP web services , RESTful web services are simplier and easier to implement there is no official standard for RESTful web services, as REST is an architectural style rather than a protocol lightweight, highly scalable and maintainable Client and server typically communicate over HTTP using HTTP request/response — same as used between Web browsers and Web servers
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Representations Messages Identification of resources ( i.e., URIs ) Uniform interface Caching etc. Key components of a RESTful Web service
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Representations The purpose of a REST Web service is to provide a window to its clients so that they can access resources Example resources : image/video files, Web pages, business data, APIs, or anything that can be represented in a computer system Resources are identified using URIs { "ID": "1", "Name": “Steven Lau", "Email": "[email protected]", "Country": "Canada" } < Person > < ID >1</ ID > < Name >Steven Lau</ Name > < Email >[email protected]</ Email > < Country >Canada</ Country > </ Person > JSON representa8on of a resource XML representa8on of a resource Representations represent the resources and how they are related to each other e.g., the server sends data as JSON or XML or HTML, which can be representations of the same resource
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Messages The client and service communicate with each other via request/response messages HTTP requests and responses are used in HTTP-based RESTful Web services POST /services/persons HTTP/1.1 Host: Content-Type: text/xml; charset=uK-8 Content-Length: xxx <? xml version = "1.0" encoding = "uK-8" ?> < Person > < ID >1</ ID > < Name >Steven Lau</ Name > < Email >[email protected]</ Email > < Country >Canada</ Country > </ Person > HTTP/1.1 200 OK Date: Fri, 27 Oct 2017 13:31:04 GMT Server: Apache/2 A POST HTTP Request A HTTP Response
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Uniform interfaces to access resources HTTP interfaces in HTTP-based RESTful Web services Method Opera8on performed on server GET Request a representa‘on of the specified resource PUT
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