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• 4.2.1
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• ProxyPostProcessor.java

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reactivefeign.jetty.utils.ProxyPostProcessor Maven / Gradle / Ivy

package reactivefeign.jetty.utils;

import org.eclipse.jetty.reactive.client.internal.AbstractSingleProcessor;
import org.reactivestreams.Publisher;
import org.reactivestreams.Subscriber;

import java.util.function.BiConsumer;

public class ProxyPostProcessor extends AbstractSingleProcessor{

	private final Publisher publisher;
	private final BiConsumer postProcessor;

	private ProxyPostProcessor(Publisher publisher, BiConsumer postProcessor) {
		this.publisher = publisher;
		this.postProcessor = postProcessor;
	}

	@Override
	public void onNext(I i) {
		try {
			downStreamOnNext(i);
			postProcessor.accept(i, null);
		} catch (Throwable err) {
			postProcessor.accept(i, err);
		}
	}

	@Override
	public void subscribe(Subscriber s) {
		publisher.subscribe(this);
		super.subscribe(s);
	}

	public static  Publisher postProcess(Publisher publisher, BiConsumer postProcessor){
		return new ProxyPostProcessor<>(publisher, postProcessor);
	}
}