com.undefinedlabs.scope.rules.propagation.carriers.RequestBuilderInjectAdapter Maven / Gradle / Ivy

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package com.undefinedlabs.scope.rules.propagation.carriers;

import io.opentracing.propagation.TextMap;
import java.util.Iterator;
import java.util.Map;
import okhttp3.Request;
import org.apache.commons.lang3.StringUtils;

public class RequestBuilderInjectAdapter implements TextMap {

  private final Request.Builder requestBuilder;

  public RequestBuilderInjectAdapter(final Request.Builder request) {
      requestBuilder = request;
  }

  @Override
  public Iterator> iterator() {
    throw new UnsupportedOperationException("Should be used only with tracer#inject()");
  }

  @Override
  public void put(final String key, final String value) {
    if (StringUtils.isNotEmpty(value)) {
      requestBuilder.addHeader(key, value);
    }
  }
}