org.springframework.http.client.OkHttp3ClientHttpResponse Maven / Gradle / Ivy
/*
* Copyright 2002-2017 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.io.InputStream;
import okhttp3.Response;
import okhttp3.ResponseBody;
import org.springframework.http.HttpHeaders;
import org.springframework.util.Assert;
import org.springframework.util.StreamUtils;
/**
* {@link ClientHttpResponse} implementation based on OkHttp 3.x.
*
* @author Luciano Leggieri
* @author Arjen Poutsma
* @author Roy Clarkson
* @since 4.3
*/
class OkHttp3ClientHttpResponse extends AbstractClientHttpResponse {
private final Response response;
private volatile HttpHeaders headers;
public OkHttp3ClientHttpResponse(Response response) {
Assert.notNull(response, "Response must not be null");
this.response = response;
}
@Override
public int getRawStatusCode() {
return this.response.code();
}
@Override
public String getStatusText() {
return this.response.message();
}
@Override
public InputStream getBody() throws IOException {
ResponseBody body = this.response.body();
return (body != null ? body.byteStream() : StreamUtils.emptyInput());
}
@Override
public HttpHeaders getHeaders() {
HttpHeaders headers = this.headers;
if (headers == null) {
headers = new HttpHeaders();
for (String headerName : this.response.headers().names()) {
for (String headerValue : this.response.headers(headerName)) {
headers.add(headerName, headerValue);
}
}
this.headers = headers;
}
return headers;
}
@Override
public void close() {
ResponseBody body = this.response.body();
if (body != null) {
body.close();
}
}
}