teichmann@5835: package org.dive4elements.river.client.server;
ingo@1365: 
ingo@1365: import java.io.InputStream;
ingo@1365: import java.io.IOException;
ingo@1365: 
raimund@1510: import java.util.Map;
raimund@1510: 
ingo@1365: import org.w3c.dom.Document;
ingo@1365: 
ingo@1367: import org.apache.log4j.Logger;
ingo@1367: 
ingo@1365: import com.google.gwt.user.server.rpc.RemoteServiceServlet;
ingo@1365: 
teichmann@5835: import org.dive4elements.artifacts.common.utils.ClientProtocolUtils;
teichmann@5835: import org.dive4elements.artifacts.common.utils.XMLUtils;
ingo@1365: 
teichmann@5835: import org.dive4elements.artifacts.httpclient.http.HttpClient;
teichmann@5835: import org.dive4elements.artifacts.httpclient.http.HttpClientImpl;
teichmann@5835: import org.dive4elements.artifacts.httpclient.exceptions.ConnectionException;
ingo@1365: 
teichmann@5835: import org.dive4elements.river.client.shared.exceptions.ServerException;
teichmann@5835: import org.dive4elements.river.client.shared.model.Collection;
teichmann@5835: import org.dive4elements.river.client.shared.model.MapConfig;
teichmann@5835: import org.dive4elements.river.client.shared.model.OutputMode;
teichmann@5835: import org.dive4elements.river.client.client.services.MapOutputService;
ingo@1365: 
ingo@1365: 
ingo@1365: public class MapOutputServiceImpl
ingo@1365: extends      RemoteServiceServlet
ingo@1365: implements   MapOutputService
ingo@1365: {
ingo@1365: 
ingo@1367:     private static final Logger logger =
ingo@1367:         Logger.getLogger(MapOutputServiceImpl.class);
ingo@1367: 
ingo@1367: 
ingo@1376:     public static final String ERROR_NO_MAP_CONFIG = "error_no_map_config";
ingo@1376: 
raimund@1510:     public static final String ERROR_NO_MAP_OUTPUT_TYPE = "error_no_map_output_type";
ingo@1376: 
ingo@1376:     public MapConfig doOut(Collection collection)
ingo@1365:     throws ServerException
ingo@1365:     {
ingo@1367:         logger.info("MapOutputServiceImpl.doOut");
ingo@1365: 
ingo@1370:         String url  = getServletContext().getInitParameter("server-url");
ingo@1365:         String uuid = collection.identifier();
ingo@1365: 
raimund@1510:         Map<String, OutputMode> modes = collection.getOutputModes();
raimund@1510:         String requestMode = "";
raimund@1510:         if (modes.containsKey("floodmap")) {
raimund@1510:             requestMode = "floodmap";
raimund@1510:         }
raimund@1510:         else if (modes.containsKey("map")) {
raimund@1510:             requestMode = "map";
raimund@1510:         }
raimund@1510:         else {
raimund@1510:            throw new ServerException(ERROR_NO_MAP_OUTPUT_TYPE);
raimund@1510:         }
raimund@1510: 
ingo@1365:         try {
ingo@1365:             Document request = ClientProtocolUtils.newOutCollectionDocument(
raimund@1510:                 uuid, requestMode, requestMode);
ingo@1365: 
ingo@1370:             HttpClient client = new HttpClientImpl(url);
raimund@1510:             InputStream    is = client.collectionOut(request, uuid, requestMode);
ingo@1365: 
ingo@1365:             Document response = XMLUtils.parseDocument(is);
ingo@1365: 
ingo@1376:             return MapHelper.parseConfig(response);
ingo@1365:         }
ingo@1365:         catch (ConnectionException e) {
ingo@1367:             logger.error(e, e);
ingo@1365:         }
ingo@1365:         catch (IOException ioe) {
ingo@1367:             logger.error(ioe, ioe);
ingo@1365:         }
ingo@1376: 
ingo@1376:         throw new ServerException(ERROR_NO_MAP_CONFIG);
ingo@1365:     }
ingo@1365: }
ingo@1365: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :