Exercise 2 - Json, Polymorphism, List #3
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| @@ -1,25 +1,65 @@ | ||
| package org.example | ||
| import com.google.gson.Gson | ||
| import com.google.gson.reflect.TypeToken | ||
| import java.io.File | ||
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| val gson = Gson() | ||
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| open class CommercialPlace( | ||
| val name: String, | ||
| val address: String, | ||
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Contributor
There was a problem hiding this comment. Address não é um objeto? |
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| val rating: Double | ||
| ) | ||
| class CoffeeShop( | ||
| name: String, | ||
| address: String, | ||
| rating: Double | ||
| ) : CommercialPlace(name, address, rating) | ||
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| class Restaurants( | ||
| name: String, | ||
| address: String, | ||
| rating: Double, | ||
| val itinerary: List<Itinerary> | ||
| ) : CommercialPlace(name, address, rating) | ||
| data class Address( | ||
| val street: String, | ||
| val number: String, | ||
| val cep: String, | ||
| val city: String, | ||
| val state: String, | ||
| val country: String | ||
| ) | ||
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| data class Itinerary( | ||
| val day: String, | ||
| val startTime: String, | ||
| val endTime: String | ||
| ) | ||
| fun prettyPrint(commercialPlace: List<CommercialPlace>) { | ||
| commercialPlace.forEach { commercialPlace -> | ||
| when (commercialPlace) { | ||
| is CoffeeShop -> println("Name: ${commercialPlace.name}, Rating: ${commercialPlace.rating}, Address: ${commercialPlace.address}") | ||
| is Restaurants -> println("Name: ${commercialPlace.name}, Address: ${commercialPlace.address} Rating: ${commercialPlace.rating},") | ||
| } | ||
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| println() | ||
| } | ||
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Contributor
There was a problem hiding this comment. Essa função faz parte de alguma classe? Não... isso não é assim, estuda mais polimorfismo |
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| } | ||
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| fun main() { | ||
| val jsonFile = File("src\\main\\kotlin\\dataRestaurants.json") | ||
| val json = jsonFile.readText() | ||
| //val listType = object : TypeToken<List<CommercialPlace>>() {}.type | ||
| //val commercialPlace: List<CommercialPlace> = gson.fromJson(json, listType) | ||
| val commercialPlace: List<CommercialPlace> = Gson().fromJson(json, Array<CommercialPlace>::class.java).toList() | ||
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Contributor
There was a problem hiding this comment. Como que vc sabe que um ComercialPlace é café ou restaurante no Json? Não estou vendo nada no jSon me contando isso. |
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| prettyPrint(commercialPlace) | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,198 @@ | ||
| [ | ||
| { | ||
| "name": "Ah!Butequeria", | ||
| "rating": 4.9, | ||
| "address": { | ||
| "street": "Rua Paulo Frontim", | ||
| "number": "240", | ||
| "cep": "30430012", | ||
| "city": "Curvelo", | ||
| "state": "Minas Gerais", | ||
| "country": "Brazil" | ||
| }, | ||
| "itinerary": [ | ||
| { | ||
| "day": "Monday", | ||
| "startTime": "9:00 AM", | ||
| "endTime": "6:00 PM" | ||
| }, | ||
| { | ||
| "day": "Tuesday", | ||
| "startTime": "9:00 AM", | ||
| "endTime": "6:00 PM" | ||
| }, | ||
| { | ||
| "day": "Wednesday", | ||
| "startTime": "9:00 AM", | ||
| "endTime": "6:00 PM" | ||
| }, | ||
| { | ||
| "day": "Thursday", | ||
| "startTime": "9:00 AM", | ||
| "endTime": "6:00 PM" | ||
| }, | ||
| { | ||
| "day": "Friday", | ||
| "startTime": "9:00 AM", | ||
| "endTime": "6:00 PM" | ||
| } | ||
| ] | ||
| }, | ||
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| { | ||
| "name": "Emporio Donna Thê", | ||
| "rating": 5.0, | ||
| "address": { | ||
| "street": "Praça José Júlio Mascarenhas", | ||
| "number": "55", | ||
| "cep": "30430012", | ||
| "city": "Curvelo", | ||
| "state": "Minas Gerais", | ||
| "country": "Brazil" | ||
| }, | ||
| "itinerary": [ | ||
| { | ||
| "day": "Monday", | ||
| "startTime": "9:00 AM", | ||
| "endTime": "6:00 PM" | ||
| }, | ||
| { | ||
| "day": "Tuesday", | ||
| "startTime": "9:00 AM", | ||
| "endTime": "6:00 PM" | ||
| }, | ||
| { | ||
| "day": "Wednesday", | ||
| "startTime": "9:00 AM", | ||
| "endTime": "6:00 PM" | ||
| }, | ||
| { | ||
| "day": "Thursday", | ||
| "startTime": "9:00 AM", | ||
| "endTime": "6:00 PM" | ||
| }, | ||
| { | ||
| "day": "Friday", | ||
| "startTime": "9:00 AM", | ||
| "endTime": "6:00 PM" | ||
| } | ||
| ] | ||
| }, | ||
| { | ||
| "name": "Canela Amarela", | ||
| "rating": 4.7, | ||
| "address": { | ||
| "street": "Praça Leonardo Gutierrez", | ||
| "number": "129", | ||
| "cep": "30430012", | ||
| "city": "Belo Horizonte", | ||
| "state": "Minas Gerais", | ||
| "country": "Brazil" | ||
| }, | ||
| "itinerary": [ | ||
| { | ||
| "day": "Monday", | ||
| "startTime": "9:00 AM", | ||
| "endTime": "6:00 PM" | ||
| }, | ||
| { | ||
| "day": "Tuesday", | ||
| "startTime": "9:00 AM", | ||
| "endTime": "6:00 PM" | ||
| }, | ||
| { | ||
| "day": "Wednesday", | ||
| "startTime": "9:00 AM", | ||
| "endTime": "6:00 PM" | ||
| }, | ||
| { | ||
| "day": "Thursday", | ||
| "startTime": "9:00 AM", | ||
| "endTime": "6:00 PM" | ||
| }, | ||
| { | ||
| "day": "Friday", | ||
| "startTime": "9:00 AM", | ||
| "endTime": "6:00 PM" | ||
| } | ||
| ] | ||
| }, | ||
| { | ||
| "name": "EdCoffee", | ||
| "rating": 5.0, | ||
| "address": { | ||
| "street": "Rua Dante", | ||
| "number": "420", | ||
| "cep": "30430012", | ||
| "city": "Belo Horizonte", | ||
| "state": "Minas Gerais", | ||
| "country": "Brazil" | ||
| }, | ||
| "itinerary": [ | ||
| { | ||
| "day": "Monday", | ||
| "startTime": "9:00 AM", | ||
| "endTime": "6:00 PM" | ||
| }, | ||
| { | ||
| "day": "Tuesday", | ||
| "startTime": "9:00 AM", | ||
| "endTime": "6:00 PM" | ||
| }, | ||
| { | ||
| "day": "Wednesday", | ||
| "startTime": "9:00 AM", | ||
| "endTime": "6:00 PM" | ||
| }, | ||
| { | ||
| "day": "Thursday", | ||
| "startTime": "9:00 AM", | ||
| "endTime": "6:00 PM" | ||
| }, | ||
| { | ||
| "day": "Friday", | ||
| "startTime": "9:00 AM", | ||
| "endTime": "6:00 PM" | ||
| } | ||
| ] | ||
| }, | ||
| { | ||
| "name": "Cafeteria dúViton", | ||
| "rating": 4.9, | ||
| "address": { | ||
| "street": "Rua Estácio de Sá", | ||
| "number": "196", | ||
| "cep": "30430012", | ||
| "city": "Belo Horizonte", | ||
| "state": "Minas Gerais", | ||
| "country": "Brazil" | ||
| }, | ||
| "itinerary": [ | ||
| { | ||
| "day": "Monday", | ||
| "startTime": "9:00 AM", | ||
| "endTime": "6:00 PM" | ||
| }, | ||
| { | ||
| "day": "Tuesday", | ||
| "startTime": "9:00 AM", | ||
| "endTime": "6:00 PM" | ||
| }, | ||
| { | ||
| "day": "Wednesday", | ||
| "startTime": "9:00 AM", | ||
| "endTime": "6:00 PM" | ||
| }, | ||
| { | ||
| "day": "Thursday", | ||
| "startTime": "9:00 AM", | ||
| "endTime": "6:00 PM" | ||
| }, | ||
| { | ||
| "day": "Friday", | ||
| "startTime": "9:00 AM", | ||
| "endTime": "6:00 PM" | ||
| } | ||
| ] | ||
| } | ||
| ] |
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Pq não usou uma Interface ou abstract Class? Dá uma estudada nisso