RESTful Java Web Services - Third Edition

Processing JSON data

If you use Java RESTful web service frameworks, such as JAX-RS, for building RESTful web APIs, the serialization and deserialization of the request and response messages will be taken care of by the framework. However, understanding the JSON structure and tools for processing JSON will definitely help you when the default offering by the framework does not meet your requirements. The following diagram illustrates the role of the JSON marshalling (converting Java object to JSON format) and unmarshalling components (converting JSON format to Java Object) in a typical Java RESTful web service implementation:

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