sascha@2489: package de.intevation.flys.client.server;
sascha@2489: 
sascha@2489: import com.google.gwt.user.server.rpc.RemoteServiceServlet;
sascha@2489: 
sascha@2493: import de.intevation.artifacts.common.utils.XMLUtils;
sascha@2493: import de.intevation.artifacts.common.utils.XSLTransformer;
sascha@2493: 
sascha@2493: import de.intevation.artifacts.httpclient.exceptions.ConnectionException;
sascha@2493: 
sascha@2493: import de.intevation.artifacts.httpclient.http.HttpClient;
sascha@2493: import de.intevation.artifacts.httpclient.http.HttpClientImpl;
sascha@2493: 
sascha@2489: import de.intevation.flys.client.client.services.FixingsOverviewService;
sascha@2489: 
sascha@2489: import de.intevation.flys.client.shared.exceptions.ServerException;
sascha@2489: 
sascha@2493: import java.io.IOException;
sascha@2493: import java.io.InputStream;
sascha@2493: 
sascha@2493: import org.apache.log4j.Logger;
sascha@2493: 
sascha@2493: import org.w3c.dom.Document;
sascha@2493: 
sascha@2489: public class FixingsOverviewServiceImpl
sascha@2489: extends      RemoteServiceServlet
sascha@2489: implements   FixingsOverviewService
sascha@2489: {
sascha@2493:     private static final Logger log =
sascha@2493:         Logger.getLogger(FixingsOverviewServiceImpl.class);
sascha@2493: 
sascha@2493:     public static final String SERVICE_NAME = "fixings-overview";
sascha@2493: 
sascha@2493:     public static final String XSL_TRANSFORM =
sascha@2493:         "/WEB-INF/stylesheets/fixoverview2html.xsl";
sascha@2493: 
sascha@2489:     @Override
sascha@2489:     public String generateOverview(
sascha@2493:         String locale,
sascha@2489:         String  uuid,
sascha@2489:         boolean checkboxes,
sascha@2489:         String  filter
sascha@2489:     ) 
sascha@2489:     throws ServerException
sascha@2489:     {
sascha@2493:         log.info("FixingsOverviewServiceImpl.doGet");
sascha@2493: 
sascha@2493:         if (filter == null || filter.length() == 0) {
sascha@2493:             log.warn("Missing 'filter' parameter.");
sascha@2493:             return "";
sascha@2493:         }
sascha@2493: 
sascha@2493:         Document filterDoc = XMLUtils.jsonToXML(filter);
sascha@2493: 
sascha@2493:         if (filterDoc == null) {
sascha@2493:             log.warn("Creating filter document failed.");
sascha@2493:             return "";
sascha@2493:         }
sascha@2493: 
sascha@2493:         InputStream transform =
sascha@2493:             getServletContext().getResourceAsStream(XSL_TRANSFORM);
sascha@2493: 
sascha@2493:         try {
sascha@2493:             String url = getServletContext().getInitParameter("server-url");
sascha@2493:             HttpClient client = new HttpClientImpl(url, locale);
sascha@2493:             Document resultDoc =
sascha@2493:                 client.callService(url, SERVICE_NAME, filterDoc);
sascha@2493:             XSLTransformer xformer = new XSLTransformer();
sascha@2493:             xformer.addParameter("project-uuid", uuid);
sascha@2493:             xformer.addParameter(
sascha@2493:                 "render-checkboxes", checkboxes ? "true()" : "false()");
sascha@2493:             String result = xformer.transform(resultDoc, transform);
sascha@2493:             return result != null ? result : "";
sascha@2493:         }
sascha@2493:         catch (ConnectionException ce) {
sascha@2493:             log.error(ce);
sascha@2493:         }
sascha@2493:         finally {
sascha@2493:             try { transform.close(); }
sascha@2493:             catch (IOException ioe) {}
sascha@2493:         }
sascha@2493: 
sascha@2489:         return "";
sascha@2489:     }
sascha@2489: }
sascha@2489: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :