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HTTP request and response logging

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package org.zalando.logbook;

import javax.annotation.Nullable;
import java.util.Arrays;
import java.util.Objects;

@FunctionalInterface
public interface BodyReplacer {

    @Nullable
    String replace(final T message);

    @SafeVarargs
    static  BodyReplacer compound(final BodyReplacer... replacers) {
        return message -> Arrays.stream(replacers)
                .map(replacer -> replacer.replace(message))
                .filter(Objects::nonNull)
                .findFirst()
                .orElse(null);
    }

}