Mercurial > dive4elements > river
diff flys-client/src/main/java/de/intevation/flys/client/server/DistanceInfoXML.java @ 782:4a7ece57f44c
#159 The tables in the WQ panel for calculation 4 are now filled with data.
flys-client/trunk@2273 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Fri, 01 Jul 2011 08:44:24 +0000 |
parents | |
children | ab8eb2f544f2 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/flys-client/src/main/java/de/intevation/flys/client/server/DistanceInfoXML.java Fri Jul 01 08:44:24 2011 +0000 @@ -0,0 +1,84 @@ +package de.intevation.flys.client.server; + +import java.io.InputStream; +import java.io.IOException; +import java.io.OutputStream; + +import org.w3c.dom.Document; +import org.w3c.dom.Element; + +import javax.servlet.http.HttpServlet; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; + +import de.intevation.artifacts.common.ArtifactNamespaceContext; +import de.intevation.artifacts.common.utils.XMLUtils; + +import de.intevation.artifacts.httpclient.exceptions.ConnectionException; +import de.intevation.artifacts.httpclient.http.HttpClient; +import de.intevation.artifacts.httpclient.http.HttpClientImpl; +import de.intevation.artifacts.httpclient.http.response.StreamResponseHandler; + + +/** + * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> + */ +public class DistanceInfoXML +extends HttpServlet +{ + public static final String ERROR_NO_DISTANCEINFO_FOUND = + "error_no_distanceinfo_found"; + + + public void doGet(HttpServletRequest req, HttpServletResponse resp) { + System.out.println("DistanceInfoXML.doGet"); + + String river = req.getParameter("river"); + String url = req.getParameter("server"); + String filter = req.getParameter("filter"); + + Document doc = XMLUtils.newDocument(); + + XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator( + doc, + ArtifactNamespaceContext.NAMESPACE_URI, + ArtifactNamespaceContext.NAMESPACE_PREFIX); + + Element riverEl = ec.create("river"); + riverEl.setTextContent(river); + + doc.appendChild(riverEl); + + if (filter != null && filter.length() > 0) { + Element typeEl = ec.create("filter"); + typeEl.setTextContent(filter); + + riverEl.appendChild(typeEl); + } + + HttpClient client = new HttpClientImpl(url); + + try { + InputStream in = (InputStream) client.callService( + url, "distanceinfo", doc, new StreamResponseHandler()); + + OutputStream out = resp.getOutputStream(); + + byte[] b = new byte[4096]; + int i; + while ((i = in.read(b)) >= 0) { + out.write(b, 0, i); + } + + out.flush(); + out.close(); + } + catch (ConnectionException ce) { + System.err.println(ce.getLocalizedMessage()); + } + catch (IOException ioe) { + System.err.println(ioe.getLocalizedMessage()); + } + } +} +// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :