software.amazon.awssdk.http.RecordingResponseHandler Maven / Gradle / Ivy

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A set of acceptance tests that can be extended by an SDK HTTP plugin implementation to help ensure it behaves in manner consistent with what is expected by the SDK.

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/*
 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *  http://aws.amazon.com/apache2.0
 *
 * or in the "license" file accompanying this file. This file is distributed
 * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied. See the License for the specific language governing
 * permissions and limitations under the License.
 */

package software.amazon.awssdk.http;

import java.nio.ByteBuffer;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CompletableFuture;
import org.reactivestreams.Publisher;
import software.amazon.awssdk.http.async.SdkAsyncHttpResponseHandler;
import software.amazon.awssdk.http.async.SimpleSubscriber;
import software.amazon.awssdk.metrics.MetricCollector;

public final class RecordingResponseHandler implements SdkAsyncHttpResponseHandler {

    private final List responses = new ArrayList<>();
    private final StringBuilder bodyParts = new StringBuilder();
    private final CompletableFuture completeFuture = new CompletableFuture<>();
    private final MetricCollector collector = MetricCollector.create("test");

    @Override
    public void onHeaders(SdkHttpResponse response) {
        responses.add(response);
    }

    @Override
    public void onStream(Publisher publisher) {
        publisher.subscribe(new SimpleSubscriber(byteBuffer -> {
            byte[] b = new byte[byteBuffer.remaining()];
            byteBuffer.duplicate().get(b);
            bodyParts.append(new String(b, StandardCharsets.UTF_8));
        }) {

            @Override
            public void onError(Throwable t) {
                completeFuture.completeExceptionally(t);
            }

            @Override
            public void onComplete() {
                completeFuture.complete(null);
            }
        });
    }

    @Override
    public void onError(Throwable error) {
        completeFuture.completeExceptionally(error);

    }

    public String fullResponseAsString() {
        return bodyParts.toString();
    }

    public List responses() {
        return responses;
    }

    public StringBuilder bodyParts() {
        return bodyParts;
    }

    public CompletableFuture completeFuture() {
        return completeFuture;
    }

    public MetricCollector collector() {
        return collector;
    }
}