teichmann@5861: /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
teichmann@5861:  * Software engineering by Intevation GmbH
teichmann@5861:  *
teichmann@5861:  * This file is Free Software under the GNU AGPL (>=v3) 
teichmann@5861:  * and comes with ABSOLUTELY NO WARRANTY! Check out the
teichmann@5861:  * documentation coming with Dive4Elements River for details. 
teichmann@5861:  */
teichmann@5861: 
teichmann@5835: package org.dive4elements.river.client.server;
sascha@603: 
sascha@604: import java.io.InputStream;
sascha@604: import java.io.IOException;
sascha@604: 
sascha@604: import org.w3c.dom.Document;
sascha@604: import org.w3c.dom.Element;
sascha@604: import org.w3c.dom.NodeList;
sascha@604: 
ingo@1367: import org.apache.log4j.Logger;
ingo@1367: 
sascha@603: import com.google.gwt.user.server.rpc.RemoteServiceServlet;
sascha@603: 
sascha@604: import org.apache.commons.lang.StringEscapeUtils;
sascha@604: 
teichmann@5835: import org.dive4elements.river.client.client.services.ReportService;
sascha@603: 
teichmann@5835: import org.dive4elements.artifacts.common.utils.XMLUtils;
teichmann@5835: import org.dive4elements.artifacts.common.utils.ClientProtocolUtils;
sascha@604: 
teichmann@5835: import org.dive4elements.artifacts.httpclient.http.HttpClient;
teichmann@5835: import org.dive4elements.artifacts.httpclient.http.HttpClientImpl;
sascha@604: 
sascha@603: public class ReportServiceImpl
sascha@603: extends      RemoteServiceServlet
sascha@603: implements   ReportService
sascha@603: {
ingo@1367:     private static final Logger logger =
ingo@1367:         Logger.getLogger(ReportServiceImpl.class);
ingo@1367: 
ingo@1367: 
sascha@603:     @Override
sascha@603:     public String report(
sascha@603:         String collectionId,
sascha@603:         String locale,
sascha@603:         String out
sascha@603:     ) {
ingo@1367:         logger.info("report: " + collectionId + " " + out);
sascha@604: 
raimund@1425:         String url = getServletContext().getInitParameter("server-url");
raimund@1425: 
sascha@604:         Document request = ClientProtocolUtils.newOutCollectionDocument(
sascha@604:             collectionId,
sascha@604:             out,
sascha@604:             "report");
sascha@604: 
sascha@604:         InputStream in = null;
sascha@604:         try {
sascha@604:             HttpClient client = new HttpClientImpl(url, locale);
sascha@604:             in = client.collectionOut(request, collectionId, out);
sascha@604: 
sascha@604:             if (in == null) {
ingo@1367:                 logger.debug("report: no report");
sascha@604:                 return null;
sascha@604:             }
sascha@604: 
sascha@604:             Document report = XMLUtils.parseDocument(in);
sascha@604: 
sascha@604:             return buildReport(report);
sascha@604:         }
sascha@604:         catch (IOException ioe) {
sascha@604:             ioe.printStackTrace();
sascha@604:         }
sascha@604:         catch (Exception e) {
sascha@604:             e.printStackTrace();
sascha@604:         }
sascha@604:         finally {
sascha@604:             if (in != null) {
sascha@604:                 try {
sascha@604:                     in.close();
sascha@604:                 }
sascha@604:                 catch (IOException ioe) {
sascha@604:                 }
sascha@604:             }
sascha@604:         }
sascha@604: 
sascha@604:         return "error processing error report";
sascha@604:     }
sascha@604: 
felix@4591: 
felix@4591:     /** Returns String containing markup that shows the report message. */
sascha@604:     protected static String buildReport(Document document) {
sascha@604: 
sascha@604:         NodeList problems = document.getElementsByTagName("problem");
sascha@604: 
sascha@604:         StringBuilder global = new StringBuilder();
sascha@604:         StringBuilder kms    = new StringBuilder();
sascha@604: 
sascha@604:         for (int i = 0, N = problems.getLength(); i < N; ++i) {
sascha@604: 
sascha@604:             Element element = (Element)problems.item(i);
sascha@604: 
sascha@604:             String km  = element.getAttribute("km");
sascha@604:             String msg = element.getTextContent();
sascha@604: 
sascha@604:             if (km.length() > 0) {
sascha@1609:                 kms.append("<li><strong>KM ")
sascha@604:                    .append(StringEscapeUtils.escapeHtml(km))
sascha@604:                    .append("</strong>: ")
sascha@604:                    .append(StringEscapeUtils.escapeHtml(msg))
sascha@604:                    .append("</li>");
sascha@604:             }
sascha@604:             else {
sascha@604:                 global.append("<li>")
sascha@604:                       .append(StringEscapeUtils.escapeHtml(msg))
sascha@604:                       .append("</li>");
sascha@604:             }
sascha@604:         }
sascha@604: 
sascha@604:         StringBuilder sb = new StringBuilder("<ul>")
sascha@604:             .append(global)
sascha@604:             .append(kms)
sascha@604:             .append("</ul>");
sascha@604: 
sascha@604:         return sb.toString();
sascha@603:     }
sascha@603: }
sascha@603: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :