VPR_App/src/main/java/RestAPISchnittstelle/RestApiClient.java

package RestAPISchnittstelle;

import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.nio.charset.StandardCharsets;
import java.nio.file.WatchEvent;

import Logik.Kind;
import com.google.gson.Gson;

/**
 * noch nicht getestet
 * TODO FERTIG MACHEN
 * @author Samuel Wolff
 */
public class RestApiClient implements IRestAPI{

	private final String urlBase = "https://pbg2h22awo.web.pb.bib.de/VPR_Schnittstelle/VPR_Schnittstelle/restAPI.php";

	private final HttpClient client;

	private final Gson gson;

	public RestApiClient(){
		client = HttpClient.newHttpClient();
		gson = new Gson();
	}



	public static void main(String[] args){

		Kind kind = new Kind("Klein", "Kevin", 2);

		String json = new Gson().toJson(kind);

		System.out.println(json);

		//new RestApiClient().post("Kind", json);

	}

	/**
	 * @param controllerName
	 */
	@Override
	public void get(String controllerName) {
		URI apiUri = URI.create(String.format("%s/%s", urlBase, controllerName));

		HttpRequest httpRequest = HttpRequest.newBuilder()
											 .uri(apiUri)
											 .GET()
											 .build();

		try {
			// Send the request and get the response
			HttpResponse<String> httpResponse = client.send(httpRequest, HttpResponse.BodyHandlers.ofString());

			Kind test = gson.fromJson(httpResponse.body(), Kind.class);

			// Print the response status code and body
			System.out.println("Status Code: " + httpResponse.statusCode());
			System.out.println("Response Body: " + test.getName());
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	/**
	 * @param controllerName
	 * @param id
	 */
	@Override
	public void get(String controllerName, int id) {
		URI apiUri = URI.create(String.format("%s/%s/%s", urlBase, controllerName, id));

		HttpRequest httpRequest = HttpRequest.newBuilder()
											 .uri(apiUri)
											 .GET()
											 .build();

		try {
			// Send the request and get the response
			HttpResponse<String> httpResponse = client.send(httpRequest, HttpResponse.BodyHandlers.ofString());

			Kind[] test = gson.fromJson(httpResponse.body(), Kind[].class);

			// Print the response status code and body
			System.out.println("Status Code: " + httpResponse.statusCode());
			for(Kind i : test){
				System.out.println(i.getVorname());
			}
			//System.out.println("Response Body: " + test);
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	/**
	 * @param controllerName
	 * @param id
	 * @param bezahlt
	 */
	@Override
	public void get(String controllerName, int id, boolean bezahlt) {
		URI apiUri = URI.create(String.format("%s/%s?%s&%s", urlBase, controllerName, id, bezahlt));

		HttpRequest httpRequest = HttpRequest.newBuilder()
											 .uri(apiUri)
											 .GET()
											 .build();

		try {
			// Send the request and get the response
			HttpResponse<String> httpResponse = client.send(httpRequest, HttpResponse.BodyHandlers.ofString());

			// Print the response status code and body
			System.out.println("Status Code: " + httpResponse.statusCode());
			System.out.println("Response Body: " + httpResponse.body());
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	/**
	 * @param controllerName
	 * @param id
	 */
	@Override
	public void put(String controllerName, int id, String jsonData) {

		URI apiUri = URI.create(String.format("%s/%s/%s", urlBase,controllerName, id));

		HttpRequest httpRequest = HttpRequest.newBuilder()
											 .uri(apiUri)
											 .header("Content-Type", "application/json")
											 .PUT(HttpRequest.BodyPublishers.ofString(jsonData, StandardCharsets.UTF_8))
											 .build();

		try {
			// Send the request and get the response
			HttpResponse<String> httpResponse = client.send(httpRequest, HttpResponse.BodyHandlers.ofString());

			// Print the response status code and body
			System.out.println("Status Code: " + httpResponse.statusCode());
			System.out.println("Response Body: " + httpResponse.body());
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	/**
	 * @param controllerName
	 */
	@Override
	public void post(String controllerName, String jsonData) {
		URI apiUri = URI.create(String.format("%s/%s", urlBase,controllerName));

		System.out.println(apiUri);

		HttpRequest httpRequest = HttpRequest.newBuilder()
											 .uri(apiUri)
											 .header("Content-Type", "application/json")
											 .POST(HttpRequest.BodyPublishers.ofString(jsonData, StandardCharsets.UTF_8))
											 .build();

		try {
			// Send the request and get the response
			HttpResponse<String> httpResponse = client.send(httpRequest, HttpResponse.BodyHandlers.ofString());

			// Print the response status code and body
			System.out.println("Status Code: " + httpResponse.statusCode());
			System.out.println("Response Body: " + httpResponse.body());
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	/**
	 * @param controllerName
	 * @param id
	 */
	@Override
	public void delete(String controllerName, int id) {

	}

}