Jersey – How to set Cookie in REST API Response

In this example, we will learn to set cookies into HTTP responses sent by Jersey REST APIs. This example makes use of for setting cookies into REST responses sent to REST clients.

Set Cookie Syntax

To set a cookie in REST API response, get the Response reference and use it’s cookie() method.

Response.ok().entity(list).cookie(new NewCookie("cookieResponse", "cookieValueInReturn")).build();

Rest API Example Code

I have written below REST API for testing purpose.

public Response getAllEployees() 
	Employees list = new Employees();
	list.setEmployeeList(new ArrayList<Employee>());
	list.getEmployeeList().add(new Employee(1, "Lokesh Gupta"));
	list.getEmployeeList().add(new Employee(2, "Alex Kolenchiskey"));
	list.getEmployeeList().add(new Employee(3, "David Kameron"));
	return Response.ok().entity(list).cookie(new NewCookie("cookieResponse", "cookieValueInReturn")).build();


Now let’s call above REST API using Jersey client code.

public static void main(String[] args) 
	Client client = ClientBuilder.newClient( new ClientConfig().register( LoggingFilter.class ) );
	WebTarget webTarget ="http://localhost:8080/JerseyDemos/rest").path("employees");
	Invocation.Builder invocationBuilder =  webTarget.request(MediaType.APPLICATION_JSON);
	Response response = invocationBuilder.get();
	Employees employees = response.readEntity(Employees.class);
	List<Employee> listOfEmployees = employees.getEmployeeList();
	System.out.println(Arrays.toString( listOfEmployees.toArray(new Employee[listOfEmployees.size()]) ));

[Employee [id=1, name=Lokesh Gupta], Employee [id=2, name=Alex Kolenchiskey], Employee [id=3, name=David Kameron]]

Happy Learning !!

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