Mercurial > dive4elements > river
view flys-client/src/main/java/de/intevation/flys/client/server/ReportServiceImpl.java @ 5818:a4ff4167be1e
Request feature info on all layers and show it as html if
the server does not return valid gml.
Non queryable layers produce an error message when the request
fails. This is good enough
author | Andre Heinecke <aheinecke@intevation.de> |
---|---|
date | Wed, 24 Apr 2013 17:33:27 +0200 |
parents | bafb2e81a14a |
children |
line wrap: on
line source
package de.intevation.flys.client.server; import java.io.InputStream; import java.io.IOException; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.w3c.dom.NodeList; import org.apache.log4j.Logger; import com.google.gwt.user.server.rpc.RemoteServiceServlet; import org.apache.commons.lang.StringEscapeUtils; import de.intevation.flys.client.client.services.ReportService; import de.intevation.artifacts.common.utils.XMLUtils; import de.intevation.artifacts.common.utils.ClientProtocolUtils; import de.intevation.artifacts.httpclient.http.HttpClient; import de.intevation.artifacts.httpclient.http.HttpClientImpl; public class ReportServiceImpl extends RemoteServiceServlet implements ReportService { private static final Logger logger = Logger.getLogger(ReportServiceImpl.class); @Override public String report( String collectionId, String locale, String out ) { logger.info("report: " + collectionId + " " + out); String url = getServletContext().getInitParameter("server-url"); Document request = ClientProtocolUtils.newOutCollectionDocument( collectionId, out, "report"); InputStream in = null; try { HttpClient client = new HttpClientImpl(url, locale); in = client.collectionOut(request, collectionId, out); if (in == null) { logger.debug("report: no report"); return null; } Document report = XMLUtils.parseDocument(in); return buildReport(report); } catch (IOException ioe) { ioe.printStackTrace(); } catch (Exception e) { e.printStackTrace(); } finally { if (in != null) { try { in.close(); } catch (IOException ioe) { } } } return "error processing error report"; } /** Returns String containing markup that shows the report message. */ protected static String buildReport(Document document) { NodeList problems = document.getElementsByTagName("problem"); StringBuilder global = new StringBuilder(); StringBuilder kms = new StringBuilder(); for (int i = 0, N = problems.getLength(); i < N; ++i) { Element element = (Element)problems.item(i); String km = element.getAttribute("km"); String msg = element.getTextContent(); if (km.length() > 0) { kms.append("<li><strong>KM ") .append(StringEscapeUtils.escapeHtml(km)) .append("</strong>: ") .append(StringEscapeUtils.escapeHtml(msg)) .append("</li>"); } else { global.append("<li>") .append(StringEscapeUtils.escapeHtml(msg)) .append("</li>"); } } StringBuilder sb = new StringBuilder("<ul>") .append(global) .append(kms) .append("</ul>"); return sb.toString(); } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :