org.springframework.http.client.OkHttp3ClientHttpRequestFactory Maven / Gradle / Ivy
/*
* Copyright 2002-2019 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.http.client;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URI;
import java.util.concurrent.TimeUnit;
import okhttp3.Cache;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.RequestBody;
import org.springframework.beans.factory.DisposableBean;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.lang.Nullable;
import org.springframework.util.Assert;
import org.springframework.util.StringUtils;
/**
* {@link ClientHttpRequestFactory} implementation that uses
* OkHttp 3.x to create requests.
*
* @author Luciano Leggieri
* @author Arjen Poutsma
* @author Roy Clarkson
* @since 4.3
*/
@SuppressWarnings("deprecation")
public class OkHttp3ClientHttpRequestFactory
implements ClientHttpRequestFactory, AsyncClientHttpRequestFactory, DisposableBean {
private OkHttpClient client;
private final boolean defaultClient;
/**
* Create a factory with a default {@link OkHttpClient} instance.
*/
public OkHttp3ClientHttpRequestFactory() {
this.client = new OkHttpClient();
this.defaultClient = true;
}
/**
* Create a factory with the given {@link OkHttpClient} instance.
* @param client the client to use
*/
public OkHttp3ClientHttpRequestFactory(OkHttpClient client) {
Assert.notNull(client, "OkHttpClient must not be null");
this.client = client;
this.defaultClient = false;
}
/**
* Set the underlying read timeout in milliseconds.
* A value of 0 specifies an infinite timeout.
*/
public void setReadTimeout(int readTimeout) {
this.client = this.client.newBuilder()
.readTimeout(readTimeout, TimeUnit.MILLISECONDS)
.build();
}
/**
* Set the underlying write timeout in milliseconds.
* A value of 0 specifies an infinite timeout.
*/
public void setWriteTimeout(int writeTimeout) {
this.client = this.client.newBuilder()
.writeTimeout(writeTimeout, TimeUnit.MILLISECONDS)
.build();
}
/**
* Set the underlying connect timeout in milliseconds.
* A value of 0 specifies an infinite timeout.
*/
public void setConnectTimeout(int connectTimeout) {
this.client = this.client.newBuilder()
.connectTimeout(connectTimeout, TimeUnit.MILLISECONDS)
.build();
}
@Override
public ClientHttpRequest createRequest(URI uri, HttpMethod httpMethod) {
return new OkHttp3ClientHttpRequest(this.client, uri, httpMethod);
}
@Override
public AsyncClientHttpRequest createAsyncRequest(URI uri, HttpMethod httpMethod) {
return new OkHttp3AsyncClientHttpRequest(this.client, uri, httpMethod);
}
@Override
public void destroy() throws IOException {
if (this.defaultClient) {
// Clean up the client if we created it in the constructor
Cache cache = this.client.cache();
if (cache != null) {
cache.close();
}
this.client.dispatcher().executorService().shutdown();
this.client.connectionPool().evictAll();
}
}
static Request buildRequest(HttpHeaders headers, byte[] content, URI uri, HttpMethod method)
throws MalformedURLException {
okhttp3.MediaType contentType = getContentType(headers);
RequestBody body = (content.length > 0 ||
okhttp3.internal.http.HttpMethod.requiresRequestBody(method.name()) ?
RequestBody.create(contentType, content) : null);
Request.Builder builder = new Request.Builder().url(uri.toURL()).method(method.name(), body);
headers.forEach((headerName, headerValues) -> {
for (String headerValue : headerValues) {
builder.addHeader(headerName, headerValue);
}
});
return builder.build();
}
@Nullable
private static okhttp3.MediaType getContentType(HttpHeaders headers) {
String rawContentType = headers.getFirst(HttpHeaders.CONTENT_TYPE);
return (StringUtils.hasText(rawContentType) ? okhttp3.MediaType.parse(rawContentType) : null);
}
}