Примеры к занятию REST-клиенты, SOAP, Spring WebServices и клиенты к ним группа 2020-02. Работа с URI и получение массива

2020-02/spring-30-restsoap/rest-template/src/main/java/ru/otus/spring/service/CountryServiceRest.java

@@ -2,11 +2,19 @@ package ru.otus.spring.service;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.springframework.core.ParameterizedTypeReference;
+import org.springframework.http.HttpMethod;
+import org.springframework.http.RequestEntity;
+import org.springframework.http.ResponseEntity;
 import org.springframework.stereotype.Service;
 import org.springframework.web.client.RestOperations;
 import org.springframework.web.client.RestTemplate;
+import org.springframework.web.util.UriComponentsBuilder;
 import ru.otus.spring.dto.Country;
 
+import java.net.URI;
+import java.util.List;
+
 @Service
 public class CountryServiceRest implements CountryService {
 
@@ -18,4 +26,21 @@ public class CountryServiceRest implements CountryService {
         log.info("Request");
         return rest.getForObject("https://restcountries.eu/rest/v2/alpha/" + id, Country.class);
     }
+
+    @Override
+    public List<Country> getCountries(){
+        RequestEntity request = new RequestEntity( HttpMethod.GET
+                , UriComponentsBuilder.fromHttpUrl( "https://restcountries.eu" )
+                    .path( "rest/v2" )
+                    .queryParam( "locale", "ru" )
+                    .build().toUri());
+
+        log.info( request.getUrl().toString() );
+
+        ResponseEntity<List<Country>> response =
+                rest.exchange( request,
+                new ParameterizedTypeReference<List<Country>>(){} );
+
+        return response.getBody();
+    }
 }