question: protected byte [ ] httpGet ( final String url ) { HttpGet httpRequest = null ; HttpResponse httpResponse = null ; CloseableHttpClient client = null ; try { final URI uri = new URI ( url . trim ( ) ) ; httpRequest = new HttpGet ( uri ) ; if ( contentType != null ) { httpRequest . setHeader ( CONTENT_TYPE , contentType ) ; } client = getHttpClient ( url ) ; httpResponse = getHttpResponse ( client , httpRequest , url ) ; final byte [ ] returnedBytes = readHttpResponse ( url , httpResponse ) ; return returnedBytes ; } catch ( URISyntaxException e ) { throw new DSSException ( e ) ; } finally { try { if ( httpRequest != null ) { httpRequest . releaseConnection ( ) ; } if ( httpResponse != null ) { EntityUtils . consumeQuietly ( httpResponse . getEntity ( ) ) ; } } finally { closeClient ( client ) ; } } }
target:  This method retrieves data using HTTP or HTTPS protocol and 'get' method.