[UWS] Minor fix: close a never-closed Scanner instance.

 * You should have received a copy of the GNU Lesser General Public License

 * along with UWSLibrary.  If not, see <http://www.gnu.org/licenses/>.

 *

 * Copyright 2014-2015 - Astronomisches Rechen Institut (ARI)

 * Copyright 2014-2018 - UDS/Centre de Données astronomiques de Strasbourg (CDS),

 *                       Astronomisches Rechen Institut (ARI)

 */

import java.io.BufferedInputStream;

import uws.UWSException;

/**

 * <p>Extract parameters encoded using the HTTP-GET method or the Content-type application/x-www-form-urlencoded

 * with the HTTP-POST or HTTP-PUT method in an {@link HttpServletRequest}.</p>

 * Extract parameters encoded using the HTTP-GET method or the Content-type

 * application/x-www-form-urlencoded with the HTTP-POST or HTTP-PUT method in

 * an {@link HttpServletRequest}.

 *

 * <p>

 * 	By default, this {@link RequestParser} overwrite parameter occurrences in the map: that's to say if a parameter is provided several times,

 * 	only the last value will be kept. This behavior can be changed by overwriting the function {@link #consumeParameter(String, Object, Map)}

 * 	of this class.

 * 	By default, this {@link RequestParser} overwrite parameter occurrences in

 * 	the map: that's to say if a parameter is provided several times, only the

 * 	last value will be kept. This behavior can be changed by overwriting the

 * 	function {@link #consumeParameter(String, Object, Map)} of this class.

 * </p>

 *

 * <p><i>Note:

 * 	When HTTP-POST is used, these parameters are actually already extracted by the server application (like Apache/Tomcat)

 * 	and are available with {@link HttpServletRequest#getParameterMap()}.

 * 	However, when using HTTP-PUT, the parameters are extracted manually from the request content.

 * 	When HTTP-POST is used, these parameters are actually already extracted by

 * 	the server application (like Apache/Tomcat) and are available with

 * 	{@link HttpServletRequest#getParameterMap()}. However, when using HTTP-PUT,

 * 	the parameters are extracted manually from the request content.

 * </i></p>

 *

 * @author Grégory Mantelet (ARI)

 * @version 4.2 (07/2015)

 * @author Grégory Mantelet (ARI;CDS)

 * @version 4.3 (08/2018)

 * @since 4.1

 */

public class FormEncodedParser implements RequestParser {

		 * This block is doing this extraction manually. */

		else{

			InputStream input = null;

			Scanner scanner = null;

			try{

				// Get the character encoding:

				// Get a stream on the request content:

				input = new BufferedInputStream(request.getInputStream());

				// Read the stream by iterating on each parameter pairs:

				Scanner scanner = new Scanner(input);

				scanner = new Scanner(input);

				scanner.useDelimiter("&");

				String pair;

				int indSep;

					}

				}

			}catch(IOException ioe){}finally{

			}catch(IOException ioe){

			}finally{

				if (scanner != null)

					scanner.close();

				if (input != null){

					try{

						input.close();

					}catch(IOException ioe2){}

					}catch(IOException ioe2){

					}

				}

			}

		}