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Easy Web Development with WaveMaker by Edward Callahan

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REST

REST web services, in contrast to SOAP services, do not define types in the inter-application contract. Participants need to know what format the data is, but the structure of the data payload varies by resource and representation. In general, web services returning data in XML are best used with the Build-A-Service option, shown in the following screenshot. On the other hand, JSON-returning services are best used with the XHR/JSON web service import choice. There is also a significant difference in how the two types of services are implemented. The XML Build-A-Service is implemented as a Java service. While we still use service variables to invoke it, the XHR/JSON is a client-side-only service that adds definitions to the browser client ...

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