org.springframework.http.client.BufferingClientHttpRequestWrapper Maven / Gradle / Ivy
/*
* Copyright 2002-2023 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.OutputStream;
import java.net.URI;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.StreamingHttpOutputMessage;
import org.springframework.util.StreamUtils;
/**
* Simple implementation of {@link ClientHttpRequest} that wraps another request.
*
* @author Arjen Poutsma
* @since 3.1
*/
final class BufferingClientHttpRequestWrapper extends AbstractBufferingClientHttpRequest {
private final ClientHttpRequest request;
BufferingClientHttpRequestWrapper(ClientHttpRequest request) {
this.request = request;
}
@Override
public HttpMethod getMethod() {
return this.request.getMethod();
}
@Override
public URI getURI() {
return this.request.getURI();
}
@Override
protected ClientHttpResponse executeInternal(HttpHeaders headers, byte[] bufferedOutput) throws IOException {
this.request.getHeaders().putAll(headers);
if (bufferedOutput.length > 0) {
if (this.request instanceof StreamingHttpOutputMessage streamingHttpOutputMessage) {
streamingHttpOutputMessage.setBody(new StreamingHttpOutputMessage.Body() {
@Override
public void writeTo(OutputStream outputStream) throws IOException {
StreamUtils.copy(bufferedOutput, outputStream);
}
@Override
public boolean repeatable() {
return true;
}
});
}
else {
StreamUtils.copy(bufferedOutput, this.request.getBody());
}
}
ClientHttpResponse response = this.request.execute();
return new BufferingClientHttpResponseWrapper(response);
}
}