Class Vaas

java/src/main/java/de/gdata/vaas/Vaas.java:42–382

import static de.gdata.vaas.CompletableFutureExceptionHandler.handleException;

public class Vaas implements IVaas {
    private static final String userAgent = "Java/9.0.0";

    @Getter
    @NonNull
    private final VaasConfig config;

    private final IAuthenticator authenticator;
    private final HttpClient httpClient;

    public Vaas(@NonNull VaasConfig config, @NonNull IAuthenticator authenticator) {
        this.config = config;
        this.authenticator = authenticator;
        this.httpClient = HttpClient.newBuilder()
                .version(HttpClient.Version.HTTP_1_1)
                .connectTimeout(Duration.ofMillis(config.getDefaultTimeoutInMs()))
                .build();
    }

    public Vaas(@NotNull VaasConfig config, IAuthenticator authenticator, HttpClient httpClient) {
        this.config = config;
        this.authenticator = authenticator;
        this.httpClient = httpClient;
    }

    public Vaas(IAuthenticator authenticator) {
        this(new VaasConfig(), authenticator);
    }

    private static void throwParsedVaasError(HttpResponse<String> response) throws VaasAuthenticationException, VaasClientException, VaasServerException {
        try {
            var problemDetails = ProblemDetails.fromJson(response.body());
            if(problemDetails == null) {
                throw new JsonSyntaxException("no JSON in server response");
            }
            var type = problemDetails.type;
            var detail = problemDetails.detail;
            if (type.equals("VaasClientException")) {
                throw new VaasClientException(detail);
            } else if (type.equals("VaasAuthenticationException")) {
                throw new VaasAuthenticationException(detail);
            }
            throw new VaasServerException(detail);
        } catch(JsonSyntaxException e) {
            if (response.statusCode() == 401) {
                throw new VaasAuthenticationException(
                        "Server did not accept token from identity provider. Check if you are using the correct identity provider and credentials.");
            } else if (response.statusCode() >= 400 && response.statusCode() < 500) {
                throw new VaasClientException("HTTP Error: " + response.statusCode() + " for request " + response.uri());
            } else {
                throw new VaasServerException("HTTP Error: " + response.statusCode() + " for request " + response.uri());
            }
        }
    }

    private static String encodeParams(Map<String, String> params) {
        StringBuilder encodedParams = new StringBuilder();
        for (Map.Entry<String, String> entry : params.entrySet()) {