extracting token
We can use .extract then .jsonPath and lastly getString("token")
String myToken =
given()
.log().all()
.contentType(ContentType.URLENC)
.formParam("email","xxxxxxxxxxx")
.formParam("password","xxxxxxx")
.when()
.post("/login")
.then()
.log().all()
.statusCode(200)
.body("token", is(notNullValue()))
.contentType(ContentType.JSON)
.body("token",is(not(emptyString())))
.extract()
.jsonPath()
.getString("token")
;