com.finbourne.drive.GzipRequestInterceptor Maven / Gradle / Ivy
/*
* FINBOURNE Drive API
*
* Contact: [email protected]
*
* NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
* https://openapi-generator.tech
* Do not edit the class manually.
*/
package com.finbourne.drive;
import okhttp3.*;
import okio.Buffer;
import okio.BufferedSink;
import okio.GzipSink;
import okio.Okio;
import java.io.IOException;
/**
* Encodes request bodies using gzip.
*
* Taken from https://github.com/square/okhttp/issues/350
*/
class GzipRequestInterceptor implements Interceptor {
@Override
public Response intercept(Chain chain) throws IOException {
Request originalRequest = chain.request();
if (originalRequest.body() == null || originalRequest.header("Content-Encoding") != null) {
return chain.proceed(originalRequest);
}
Request compressedRequest = originalRequest.newBuilder()
.header("Content-Encoding", "gzip")
.method(originalRequest.method(), forceContentLength(gzip(originalRequest.body())))
.build();
return chain.proceed(compressedRequest);
}
private RequestBody forceContentLength(final RequestBody requestBody) throws IOException {
final Buffer buffer = new Buffer();
requestBody.writeTo(buffer);
return new RequestBody() {
@Override
public MediaType contentType() {
return requestBody.contentType();
}
@Override
public long contentLength() {
return buffer.size();
}
@Override
public void writeTo(BufferedSink sink) throws IOException {
sink.write(buffer.snapshot());
}
};
}
private RequestBody gzip(final RequestBody body) {
return new RequestBody() {
@Override
public MediaType contentType() {
return body.contentType();
}
@Override
public long contentLength() {
return -1; // We don't know the compressed length in advance!
}
@Override
public void writeTo(BufferedSink sink) throws IOException {
BufferedSink gzipSink = Okio.buffer(new GzipSink(sink));
body.writeTo(gzipSink);
gzipSink.close();
}
};
}
}