RestEasy - pierwszy klient (byte[])

PC34-RestKlient/pom.xml

@@ -33,5 +33,10 @@
 		    <artifactId>jakarta.json</artifactId>
 		    <version>2.0.1</version>
 		</dependency>
+		<dependency>
+		    <groupId>org.jboss.resteasy</groupId>
+		    <artifactId>resteasy-client</artifactId>
+		    <version>6.2.4.Final</version>
+		</dependency>
 	</dependencies>
 </project>

PC34-RestKlient/src/main/java/sklep/klient_rest/P05_RestClient.java

+package sklep.klient_rest;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+
+import jakarta.ws.rs.client.Client;
+import jakarta.ws.rs.client.ClientBuilder;
+import jakarta.ws.rs.client.Invocation;
+import jakarta.ws.rs.client.WebTarget;
+import jakarta.ws.rs.core.Response;
+
+public class P05_RestClient {
+
+	public static void main(String[] args) {
+		System.out.println("Startujemy");
+		Client client = ClientBuilder.newClient();
+		
+		System.out.println("Przygotowuję zapytanie");
+		WebTarget target = client.target(Ustawienia.ADRES_USLUGI).path("products.json");
+		Invocation invocation = target.request().buildGet();
+		
+		System.out.println("Wysyłam zapytanie");
+		Response response = invocation.invoke();
+		
+		System.out.println("Mam odpowiedź: " + response);
+		System.out.println("Status: " + response.getStatus());
+		System.out.println("C-Type: " + response.getMediaType());
+		System.out.println("Length: " + response.getLength());
+		
+		byte[] dane = response.readEntity(byte[].class);
+		System.out.println("Dane mają " + dane.length + " bajtów.");
+		try {
+			Files.write(Paths.get("wynik05.json"), dane);
+			System.out.println("Zapisałem w pliku");
+		} catch (IOException e) {
+			System.err.println(e);
+		}
+		System.out.println("Koniec");
+	}
+
+}