Mercurial > dive4elements > river
view gwt-client/src/main/java/org/dive4elements/river/client/server/ReportServiceImpl.java @ 6475:b0b0ba6e7bb0
Add client side servlets and service stubs for ServerInfoService.
author | Christian Lins <christian.lins@intevation.de> |
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date | Thu, 27 Jun 2013 14:48:21 +0200 |
parents | ea9eef426962 |
children | 238fc722f87a |
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/* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde * Software engineering by Intevation GmbH * * This file is Free Software under the GNU AGPL (>=v3) * and comes with ABSOLUTELY NO WARRANTY! Check out the * documentation coming with Dive4Elements River for details. */ package org.dive4elements.river.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 org.dive4elements.river.client.client.services.ReportService; import org.dive4elements.artifacts.common.utils.XMLUtils; import org.dive4elements.artifacts.common.utils.ClientProtocolUtils; import org.dive4elements.artifacts.httpclient.http.HttpClient; import org.dive4elements.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 :