handlers/handler-tracing-zipkin/src/main/java/org/apache/servicecomb/tracing/zipkin/HttpClientRequestWrapper.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License 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 org.apache.servicecomb.tracing.zipkin;

import brave.http.HttpClientRequest;

import org.apache.servicecomb.core.Invocation;

class HttpClientRequestWrapper extends HttpClientRequest {

  private Invocation invocation;

  HttpClientRequestWrapper() {
  }

  HttpClientRequestWrapper(Invocation invocation) {
    this.invocation = invocation;
  }

  HttpClientRequestWrapper invocation(Invocation invocation) {
    this.invocation = invocation;
    return this;
  }


  @Override
  public void header(String name, String value) {
    invocation.addContext(name, value);
  }

  @Override
  public String method() {
    return invocation.getOperationMeta().getHttpMethod();
  }

  @Override
  public String path() {
    return invocation.getOperationMeta().getOperationPath();
  }

  @Override
  public String url() {
    return invocation.getEndpoint().getEndpoint();
  }

  @Override
  public String header(String name) {
    return invocation.getContext().get(name);
  }

  @Override
  public Object unwrap() {
    return invocation;
  }
}