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• opentelemetry-javaagent-tomcat-common
• 1.9.0-alpha
• source code
• TomcatRequestGetter.java

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io.opentelemetry.javaagent.instrumentation.tomcat.common.TomcatRequestGetter Maven / Gradle / Ivy

/*
 * Copyright The OpenTelemetry Authors
 * SPDX-License-Identifier: Apache-2.0
 */

package io.opentelemetry.javaagent.instrumentation.tomcat.common;

import io.opentelemetry.context.propagation.TextMapGetter;
import java.util.Collections;
import org.apache.coyote.Request;

enum TomcatRequestGetter implements TextMapGetter {
  INSTANCE;

  @Override
  public Iterable keys(Request carrier) {
    return Collections.list(carrier.getMimeHeaders().names());
  }

  @Override
  public String get(Request carrier, String key) {
    return carrier.getHeader(key);
  }
}