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Shared base functionality for implementing engines for the 51Degrees Pipeline API
/* *********************************************************************
* This Original Work is copyright of 51 Degrees Mobile Experts Limited.
* Copyright 2023 51 Degrees Mobile Experts Limited, Davidson House,
* Forbury Square, Reading, Berkshire, United Kingdom RG1 3EU.
*
* This Original Work is licensed under the European Union Public Licence
* (EUPL) v.1.2 and is subject to its terms as set out below.
*
* If a copy of the EUPL was not distributed with this file, You can obtain
* one at https://opensource.org/licenses/EUPL-1.2.
*
* The 'Compatible Licences' set out in the Appendix to the EUPL (as may be
* amended by the European Commission) shall be deemed incompatible for
* the purposes of the Work and the provisions of the compatibility
* clause in Article 5 of the EUPL shall not apply.
*
* If using the Work as, or as part of, a network application, by
* including the attribution notice(s) required under Article 5 of the EUPL
* in the end user terms of the application under an appropriate heading,
* such notice(s) shall fulfill the requirements of that article.
* ********************************************************************* */
package fiftyone.pipeline.engines.services;
import java.io.IOException;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.Map;
import java.util.zip.GZIPOutputStream;
public class DataUploaderHttp implements DataUploader{
private final String url;
private final Map headers;
private final int timeout;
HttpURLConnection connection;
/**
* the URL to which data is to be uploaded
* @param url the URL rto which data should be uploaded
* @param headers HTTP headers for the connection
* @param timeout connection timeout in milliseconds
*/
public DataUploaderHttp(String url, Map headers, int timeout) {
this.url = url;
this.headers = headers;
this.timeout = timeout;
}
/**
* Returns a gzipped output stream
*/
@Override
public OutputStream getOutputStream() throws Exception{
connection = (HttpURLConnection) new URL(url.trim()).openConnection();
connection.setConnectTimeout(timeout);
connection.setRequestMethod("POST");
for (Map.Entry header : headers.entrySet()) {
connection.setRequestProperty(header.getKey(), header.getValue());
}
connection.setDoOutput(true);
return new GZIPOutputStream(connection.getOutputStream());
}
@Override
public int getResponseCode() throws IOException {
return connection.getResponseCode();
}
}