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/**
 * Copyright 2022 the original author or authors.
 *
 * Licensed 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
 *
 * https://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 io.micrometer.tracing.http;

import io.micrometer.common.lang.Nullable;

/**
 * This API is taken from OpenZipkin Brave.
 * 

* Abstract response type used for parsing and sampling. Represents an HTTP response. * * @author OpenZipkin Brave Authors * @author Marcin Grzejszczak * @since 1.10.0 * @deprecated scheduled for removal in 1.4.0 */ @Deprecated public interface HttpResponse extends Response { @Nullable @Override default HttpRequest request() { return null; } /** * Returns an HTTP method. * @return an HTTP method */ @Nullable default String method() { HttpRequest request = request(); return request != null ? request.method() : null; } /** * Returns an expression such as "/items/:itemId" representing an application * endpoint, conventionally associated with the tag key "http.route". If no route * matched, "" (empty string) is returned. {@code null} indicates this instrumentation * doesn't understand http routes. * @return an HTTP route or {@code null} if not set */ @Nullable default String route() { HttpRequest request = request(); return request != null ? request.route() : null; } /** * Returns the HTTP status code. * @return an HTTP status code or zero if unreadable */ int statusCode(); /** * Returns the header value. * @param header header name * @return an HTTP header or {@code null} if not set. */ default String header(String header) { return null; } }





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