Projeto Final

//Realizei o projeto final com 2 formas de geração do arquivo //1-Com record //2-Sendo passado diretamente o response para o arquivo //Class Geraarquivo

import com.google.gson.Gson;
import com.google.gson.GsonBuilder;

import java.io.FileWriter;
import java.io.IOException;
import java.net.http.HttpResponse;

public class Gera_Arquivo {
    public void geraArquivo_Rec(Rec_Endereco endereco) throws IOException {
        Gson json = new GsonBuilder().setPrettyPrinting().create();
        FileWriter escrita = new FileWriter(endereco.cep()+".json");
        escrita.write(json.toJson(endereco)) ;
        escrita.close();
    }
    public void geraArquivo_String(String endereco, String cep) throws IOException {
        Gson json = new GsonBuilder().setPrettyPrinting().create();
        FileWriter escrita = new FileWriter(cep+".json");
        escrita.write(endereco) ;
        escrita.close();
    }
}

//Records

public record Rec_Endereco(String cep,String logradouro,String complemento,String bairro,
                           String localidade,String uf,String ibge,String ddd  ) {
}

//Busca CEP

import com.google.gson.Gson;

import java.io.IOException;
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;

public class Busca_Cep {

    public Rec_Endereco pesquisaCep(String cep) throws IOException, InterruptedException {
        //Consumir API
        HttpClient client = HttpClient.newHttpClient();
        HttpRequest request = HttpRequest.newBuilder().uri(URI.create("https://viacep.com.br/ws/" + cep + "/json/")).build();
        HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
        return new Gson().fromJson(response.body(), Rec_Endereco.class);
    }


    public HttpResponse<String> pesquisaCep_resp(String cep) throws IOException, InterruptedException {
        //Consumir API
        HttpClient client = HttpClient.newHttpClient();
        HttpRequest request = HttpRequest.newBuilder().uri(URI.create("https://viacep.com.br/ws/" + cep + "/json/")).build();
        HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());

        return response;

    }
}

//Principal -> Main

import com.google.gson.Gson;

import java.io.IOException;
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.util.Scanner;

public class Principal {
    public static void main(String[] args) throws IOException, InterruptedException {
        Scanner leitura = new Scanner(System.in);

        System.out.println("**************************");
        System.out.println("**********Busca CEP*******");
        System.out.println("**************************");
        System.out.println("Informe um CEP a ser consultado.:");
        String cep= leitura.next();

        try {

            Busca_Cep buscaCep = new Busca_Cep();

            //Utilizando Registro
            Rec_Endereco endereco = buscaCep.pesquisaCep(cep);
            //Gerando arquivo Json com Registro
            Gera_Arquivo arquivo = new Gera_Arquivo();
            arquivo.geraArquivo_Rec(endereco);

            //Sendo gerado arquivo gson diretamento do response
            arquivo.geraArquivo_String(buscaCep.pesquisaCep_resp(cep).body(), cep);
        }catch (RuntimeException | IOException e) {
            System.out.println(e.getMessage());
            System.out.println("Aplicação Finalizada");
        }
        }
    }