org.springframework.boot.web.client.RestTemplateBuilderClientHttpRequestInitializer Maven / Gradle / Ivy
/*
* Copyright 2012-2019 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 org.springframework.boot.web.client;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.springframework.boot.util.LambdaSafe;
import org.springframework.http.HttpHeaders;
import org.springframework.http.client.ClientHttpRequest;
import org.springframework.http.client.ClientHttpRequestFactory;
import org.springframework.http.client.ClientHttpRequestInitializer;
/**
* {@link ClientHttpRequestFactory} to apply customizations from the
* {@link RestTemplateBuilder}.
*
* @author Dmytro Nosan
* @author Ilya Lukyanovich
*/
class RestTemplateBuilderClientHttpRequestInitializer implements ClientHttpRequestInitializer {
private final BasicAuthentication basicAuthentication;
private final Map> defaultHeaders;
private final Set> requestCustomizers;
RestTemplateBuilderClientHttpRequestInitializer(BasicAuthentication basicAuthentication,
Map> defaultHeaders, Set> requestCustomizers) {
this.basicAuthentication = basicAuthentication;
this.defaultHeaders = defaultHeaders;
this.requestCustomizers = requestCustomizers;
}
@Override
@SuppressWarnings("unchecked")
public void initialize(ClientHttpRequest request) {
HttpHeaders headers = request.getHeaders();
if (this.basicAuthentication != null) {
this.basicAuthentication.applyTo(headers);
}
this.defaultHeaders.forEach(headers::putIfAbsent);
LambdaSafe.callbacks(RestTemplateRequestCustomizer.class, this.requestCustomizers, request)
.invoke((customizer) -> customizer.customize(request));
}
}