Mercurial > dive4elements > river
view flys-client/src/main/java/de/intevation/flys/client/server/ExportServiceImpl.java @ 4241:49cb65d5932d
Improved the historical discharge calculation.
The calculation now creates new HistoricalWQKms (new subclass of WQKms). Those WQKms are used
to create new facets from (new) type 'HistoricalDischargeCurveFacet'. The chart generator is
improved to support those facets.
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Wed, 24 Oct 2012 14:34:35 +0200 |
parents | def13f23bb27 |
children | 94b95e002fb9 |
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package de.intevation.flys.client.server; import java.io.OutputStream; import java.io.IOException; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.apache.log4j.Logger; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import de.intevation.artifacts.common.utils.ClientProtocolUtils; import de.intevation.artifacts.common.utils.XMLUtils; import de.intevation.artifacts.httpclient.http.HttpClient; import de.intevation.artifacts.httpclient.http.HttpClientImpl; /** * This service is used to request a data export from the artifact server. The * response is directed directly to the output stream, so that a file dialog is * opened. * * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> */ public class ExportServiceImpl extends HttpServlet { private static final Logger logger = Logger.getLogger(ExportServiceImpl.class); public void doGet(HttpServletRequest req, HttpServletResponse resp) { logger.info("ExportServiceImpl.doGet"); try { OutputStream out = resp.getOutputStream(); String url = getServletContext().getInitParameter("server-url"); String uuid = req.getParameter("uuid"); String mode = req.getParameter("mode"); String type = req.getParameter("type"); String locale = req.getParameter("locale"); String km = req.getParameter("km"); String fn = mode + "." + type; resp.setHeader("Content-Disposition", "attachment;filename=" + fn); if (logger.isDebugEnabled()) { logger.debug("Request " + type + " export."); } Document attr = null; if (km != null && km.length() > 0) { attr = XMLUtils.newDocument(); XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator(attr, null, null); Element e = ec.create("km"); e.setTextContent(km); attr.appendChild(e); } Document request = ClientProtocolUtils.newOutCollectionDocument( uuid, mode, type, attr); HttpClient client = new HttpClientImpl(url, locale); client.collectionOut(request, uuid, mode, out); out.close(); out.flush(); } catch (IOException ioe) { logger.error(ioe, ioe); } } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :