Mercurial > dive4elements > river
view flys-client/src/main/java/de/intevation/flys/client/server/DischargeInfoXML.java @ 4700:0ba0f3e4f4c2 2.9.7
Merged
author | Sascha L. Teichmann <teichmann@intevation.de> |
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date | Mon, 17 Dec 2012 17:59:03 +0100 |
parents | 67468c90ca68 |
children |
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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 org.apache.log4j.Logger; 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:raimund.renkert@intevation.de">Raimund Renkert</a> */ public class DischargeInfoXML extends HttpServlet { private static final Logger logger = Logger.getLogger(DischargeInfoXML.class); public static final String ERROR_NO_DISTANCEINFO_FOUND = "error_no_dischargeinfo_found"; public void doGet(HttpServletRequest req, HttpServletResponse resp) { logger.info("DischargeInfoXML.doGet"); String url = getServletContext().getInitParameter("server-url"); String gauge = req.getParameter("gauge"); Document doc = XMLUtils.newDocument(); XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator( doc, ArtifactNamespaceContext.NAMESPACE_URI, ArtifactNamespaceContext.NAMESPACE_PREFIX); Element gaugeEl = ec.create("gauge"); gaugeEl.setTextContent(gauge); doc.appendChild(gaugeEl); HttpClient client = new HttpClientImpl(url); try { InputStream in = (InputStream) client.callService( url, "dischargeinfo", 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) { logger.error(ce, ce); } catch (IOException ioe) { logger.error(ioe, ioe); } } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :