io.sphere.sdk.client.NingAsyncHttpClient Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of java-client Show documentation
java-client
The newest version!
package io.sphere.sdk.client;


import com.google.common.base.CharMatcher;
import com.google.common.base.Charsets;
import com.ning.http.client.AsyncHttpClient;
import com.ning.http.client.Request;
import com.ning.http.client.RequestBuilder;
import com.ning.http.client.Response;
import com.typesafe.config.Config;
import io.sphere.sdk.http.HttpClient;
import io.sphere.sdk.http.HttpRequest;
import io.sphere.sdk.http.HttpResponse;
import io.sphere.sdk.http.Requestable;
import io.sphere.sdk.meta.BuildInfo;

import java.io.IOException;
import java.util.concurrent.CompletableFuture;

public class NingAsyncHttpClient implements HttpClient {

    private final ClientCredentials clientCredentials;
    private final AsyncHttpClient asyncHttpClient = new AsyncHttpClient();
    private final String coreUrl;
    private final String projectKey;

    public NingAsyncHttpClient(final Config config) {
        clientCredentials = SphereClientCredentials.createAndBeginRefreshInBackground(config, new OAuthClient(asyncHttpClient));
        coreUrl = config.getString("sphere.core");
        projectKey = config.getString("sphere.project");
    }

    @Override
    public  CompletableFuture execute(final Requestable requestable) {
        final Request request = asNingRequest(requestable);
        try {
            final CompletableFuture future = CompletableFutureUtils.wrap(asyncHttpClient.executeRequest(request));
            return future.thenApply((Response response) -> {
                try {
                    return HttpResponse.of(response.getStatusCode(), response.getResponseBody(Charsets.UTF_8.name()), requestable.httpRequest());
                } catch (IOException e) {
                    throw new RuntimeException(e);//TODO unify exception handling, to sphere exception
                }
            });
        } catch (final IOException e) {
            throw new RuntimeException(e);//TODO unify exception handling, to sphere exception
        }
    }

    /* package scope for testing */
     Request asNingRequest(final Requestable requestable) {
        final HttpRequest request = requestable.httpRequest();
        final RequestBuilder builder = new RequestBuilder().
                setUrl(CharMatcher.is('/').trimTrailingFrom(coreUrl) + "/" + projectKey + request.getPath()).
                setMethod(request.getHttpMethod().toString()).
                setHeader("User-Agent", "SPHERE.IO JVM SDK version " + BuildInfo.version()).
                setHeader("Authorization", "Bearer " + clientCredentials.getAccessToken());
        return request.getBody().map(builder::setBody).orElse(builder).build();
    }

    @Override
    public void close() {
        asyncHttpClient.close();
    }
}