Java EE 8 Application Development

Generating JSON strings from Java objects with JSON-B

In addition to populating Java objects from JSON data, JSON-B can also generate JSON strings from Java objects. The following example illustrates how to do this:

    package net.ensode.javaee8book.jsonbjavatojson.service; 
 
    //imports omitted for brevity 
 
    @Path("/customersearchcontroller") 
    public class CustomerSearchControllerService { 
      private final List<Customer> customerList = new ArrayList<>(); 
 
      @GET 
      @Path("{firstName}") 
      public Response getCustomerByFirstName(@PathParam("firstName")    String firstName) { List<Customer> filteredCustomerList; String jsonString; initializeCustomerList(); //method declaration omitted Jsonb jsonb = JsonbBuilder.create(); filteredCustomerList = customerList.stream().filter( ...