org.springframework.http.client.HttpComponentsClientHttpRequest Maven / Gradle / Ivy
/*
* Copyright 2002-2018 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.http.client;
import java.io.IOException;
import java.net.URI;
import org.apache.http.HttpEntity;
import org.apache.http.HttpEntityEnclosingRequest;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpUriRequest;
import org.apache.http.entity.ByteArrayEntity;
import org.apache.http.protocol.HTTP;
import org.apache.http.protocol.HttpContext;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.util.StringUtils;
/**
* {@link ClientHttpRequest} implementation based on
* Apache HttpComponents HttpClient.
*
* Created via the {@link HttpComponentsClientHttpRequestFactory}.
*
* @author Oleg Kalnichevski
* @author Arjen Poutsma
* @author Juergen Hoeller
* @since 3.1
* @see HttpComponentsClientHttpRequestFactory#createRequest(URI, HttpMethod)
*/
final class HttpComponentsClientHttpRequest extends AbstractBufferingClientHttpRequest {
private final HttpClient httpClient;
private final HttpUriRequest httpRequest;
private final HttpContext httpContext;
HttpComponentsClientHttpRequest(HttpClient client, HttpUriRequest request, HttpContext context) {
this.httpClient = client;
this.httpRequest = request;
this.httpContext = context;
}
@Override
public String getMethodValue() {
return this.httpRequest.getMethod();
}
@Override
public URI getURI() {
return this.httpRequest.getURI();
}
HttpContext getHttpContext() {
return this.httpContext;
}
@Override
protected ClientHttpResponse executeInternal(HttpHeaders headers, byte[] bufferedOutput) throws IOException {
addHeaders(this.httpRequest, headers);
if (this.httpRequest instanceof HttpEntityEnclosingRequest) {
HttpEntityEnclosingRequest entityEnclosingRequest = (HttpEntityEnclosingRequest) this.httpRequest;
HttpEntity requestEntity = new ByteArrayEntity(bufferedOutput);
entityEnclosingRequest.setEntity(requestEntity);
}
HttpResponse httpResponse = this.httpClient.execute(this.httpRequest, this.httpContext);
return new HttpComponentsClientHttpResponse(httpResponse);
}
/**
* Add the given headers to the given HTTP request.
* @param httpRequest the request to add the headers to
* @param headers the headers to add
*/
static void addHeaders(HttpUriRequest httpRequest, HttpHeaders headers) {
headers.forEach((headerName, headerValues) -> {
if (HttpHeaders.COOKIE.equalsIgnoreCase(headerName)) { // RFC 6265
String headerValue = StringUtils.collectionToDelimitedString(headerValues, "; ");
httpRequest.addHeader(headerName, headerValue);
}
else if (!HTTP.CONTENT_LEN.equalsIgnoreCase(headerName) &&
!HTTP.TRANSFER_ENCODING.equalsIgnoreCase(headerName)) {
for (String headerValue : headerValues) {
httpRequest.addHeader(headerName, headerValue);
}
}
});
}
}