Mercurial > dive4elements > river
comparison 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> |
|---|---|
| date | Fri, 01 Jul 2011 08:44:24 +0000 |
| parents | |
| children | ab8eb2f544f2 |
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| 781:6653cf54b45d | 782:4a7ece57f44c |
|---|---|
| 1 package de.intevation.flys.client.server; | |
| 2 | |
| 3 import java.io.InputStream; | |
| 4 import java.io.IOException; | |
| 5 import java.io.OutputStream; | |
| 6 | |
| 7 import org.w3c.dom.Document; | |
| 8 import org.w3c.dom.Element; | |
| 9 | |
| 10 import javax.servlet.http.HttpServlet; | |
| 11 import javax.servlet.http.HttpServletRequest; | |
| 12 import javax.servlet.http.HttpServletResponse; | |
| 13 | |
| 14 import de.intevation.artifacts.common.ArtifactNamespaceContext; | |
| 15 import de.intevation.artifacts.common.utils.XMLUtils; | |
| 16 | |
| 17 import de.intevation.artifacts.httpclient.exceptions.ConnectionException; | |
| 18 import de.intevation.artifacts.httpclient.http.HttpClient; | |
| 19 import de.intevation.artifacts.httpclient.http.HttpClientImpl; | |
| 20 import de.intevation.artifacts.httpclient.http.response.StreamResponseHandler; | |
| 21 | |
| 22 | |
| 23 /** | |
| 24 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> | |
| 25 */ | |
| 26 public class DistanceInfoXML | |
| 27 extends HttpServlet | |
| 28 { | |
| 29 public static final String ERROR_NO_DISTANCEINFO_FOUND = | |
| 30 "error_no_distanceinfo_found"; | |
| 31 | |
| 32 | |
| 33 public void doGet(HttpServletRequest req, HttpServletResponse resp) { | |
| 34 System.out.println("DistanceInfoXML.doGet"); | |
| 35 | |
| 36 String river = req.getParameter("river"); | |
| 37 String url = req.getParameter("server"); | |
| 38 String filter = req.getParameter("filter"); | |
| 39 | |
| 40 Document doc = XMLUtils.newDocument(); | |
| 41 | |
| 42 XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator( | |
| 43 doc, | |
| 44 ArtifactNamespaceContext.NAMESPACE_URI, | |
| 45 ArtifactNamespaceContext.NAMESPACE_PREFIX); | |
| 46 | |
| 47 Element riverEl = ec.create("river"); | |
| 48 riverEl.setTextContent(river); | |
| 49 | |
| 50 doc.appendChild(riverEl); | |
| 51 | |
| 52 if (filter != null && filter.length() > 0) { | |
| 53 Element typeEl = ec.create("filter"); | |
| 54 typeEl.setTextContent(filter); | |
| 55 | |
| 56 riverEl.appendChild(typeEl); | |
| 57 } | |
| 58 | |
| 59 HttpClient client = new HttpClientImpl(url); | |
| 60 | |
| 61 try { | |
| 62 InputStream in = (InputStream) client.callService( | |
| 63 url, "distanceinfo", doc, new StreamResponseHandler()); | |
| 64 | |
| 65 OutputStream out = resp.getOutputStream(); | |
| 66 | |
| 67 byte[] b = new byte[4096]; | |
| 68 int i; | |
| 69 while ((i = in.read(b)) >= 0) { | |
| 70 out.write(b, 0, i); | |
| 71 } | |
| 72 | |
| 73 out.flush(); | |
| 74 out.close(); | |
| 75 } | |
| 76 catch (ConnectionException ce) { | |
| 77 System.err.println(ce.getLocalizedMessage()); | |
| 78 } | |
| 79 catch (IOException ioe) { | |
| 80 System.err.println(ioe.getLocalizedMessage()); | |
| 81 } | |
| 82 } | |
| 83 } | |
| 84 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |