OkHTTP Client Example

Main.java

import com.mageddo.portainer.client.apiclient.PortainerAuthenticationFilter;
import com.mageddo.portainer.client.apiclient.PortainerStackApiClient;
import okhttp3.ConnectionPool;
import okhttp3.HttpUrl;
import okhttp3.OkHttpClient;

import java.util.concurrent.TimeUnit;

public class Main {
	public static void main(String[] args) {
		final HttpUrl baseUrl = HttpUrl.parse("http://acme.com");
		var apiClient = new PortainerStackApiClient(
			createClient()
				.newBuilder()
				.authenticator(new PortainerAuthenticationFilter())
				.build(), 
			baseUrl
		);
		apiClient.createStack(...);
	}

	public static OkHttpClient createClient() {
		return new OkHttpClient.Builder()
			.connectTimeout(5, TimeUnit.SECONDS)
			.readTimeout(30, TimeUnit.SECONDS)
			.callTimeout(36, TimeUnit.SECONDS)
			.connectionPool(new ConnectionPool(1, 1, TimeUnit.MINUTES))
			.build()
			;
	}
}

PortainerAuthenticationFilter.java

import okhttp3.Authenticator;
import okhttp3.Request;
import okhttp3.Response;
import okhttp3.Route;

public class PortainerAuthenticationFilter implements Authenticator {

	@Override
	public Request authenticate(Route route, Response response) {
		return response
			.request()
			.newBuilder()
			.addHeader("Authorization", "Bearer someToken")
			.build()
		;
	}

}

PortainerStackApiClient.java

public class PortainerStackApiClient {

	private final OkHttpClient okHttpClient;
	private final HttpUrl baseUrl;

	public PortainerStackApiClient(OkHttpClient okHttpClient, HttpUrl baseUrl) {
		this.okHttpClient = okHttpClient;
		this.baseUrl = baseUrl;
	}

	public void createStack(StackCreateReqV1 createReqV1){
		Call call = okHttpClient
			.newCall(
				new Request.Builder()
				.url(
					baseUrl
						.newBuilder()
						.addEncodedPathSegments("api/stacks")
						.setQueryParameter("type", "1")
						.setQueryParameter("method", "string")
						.setQueryParameter("endpointId", "1")
						.build()
				)
				.post(RequestBody.create(
					MediaType.get("application/json"), JsonUtils.writeValueAsString(createReqV1)
				))
				.build()
			);
		try(Response res = call.execute()){
			Validate.isTrue(res.isSuccessful(), res.body().string());
		} catch (IOException e) {
			throw new UncheckedIOException(e);
		}
	}
}