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DefaultHttpClientObservationConvention.java
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DefaultHttpClientObservationConvention.java
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/*
* Copyright 2022 VMware, Inc.
*
* 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.core.instrument.binder.jdk;
import io.micrometer.common.KeyValues;
import io.micrometer.common.lang.NonNull;
import io.micrometer.common.lang.Nullable;
import io.micrometer.core.instrument.binder.http.Outcome;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.util.function.Function;
/**
* Default implementation of {@link HttpClientObservationConvention}.
*
* @author Marcin Grzejszczak
* @since 1.10.0
* @deprecated since 1.13.0 use the same class in the micrometer-java11 module instead
*/
@Deprecated
public class DefaultHttpClientObservationConvention implements HttpClientObservationConvention {
/**
* Instance of this {@link DefaultHttpClientObservationConvention}.
*/
public static final DefaultHttpClientObservationConvention INSTANCE = new DefaultHttpClientObservationConvention();
@Override
public KeyValues getLowCardinalityKeyValues(HttpClientContext context) {
if (context.getCarrier() == null) {
return KeyValues.empty();
}
HttpRequest httpRequest = context.getCarrier().build();
KeyValues keyValues = KeyValues.of(
HttpClientObservationDocumentation.LowCardinalityKeys.METHOD.withValue(httpRequest.method()),
HttpClientObservationDocumentation.LowCardinalityKeys.URI
.withValue(getUriTag(httpRequest, context.getResponse(), context.getUriMapper())));
if (context.getResponse() != null) {
keyValues = keyValues
.and(HttpClientObservationDocumentation.LowCardinalityKeys.STATUS
.withValue(String.valueOf(context.getResponse().statusCode())))
.and(HttpClientObservationDocumentation.LowCardinalityKeys.OUTCOME
.withValue(Outcome.forStatus(context.getResponse().statusCode()).name()));
}
return keyValues;
}
String getUriTag(@Nullable HttpRequest request, @Nullable HttpResponse<?> httpResponse,
Function<HttpRequest, String> uriMapper) {
if (request == null) {
return null;
}
return httpResponse != null && (httpResponse.statusCode() == 404 || httpResponse.statusCode() == 301)
? "NOT_FOUND" : uriMapper.apply(request);
}
@Override
@NonNull
public String getName() {
return "http.client.requests";
}
@Nullable
@Override
public String getContextualName(HttpClientContext context) {
if (context.getCarrier() == null) {
return null;
}
return "HTTP " + context.getCarrier().build().method();
}
}