Mercurial > dive4elements > river
view flys-client/src/main/java/de/intevation/flys/client/server/DischargeInfoServiceImpl.java @ 3719:e82acd5c86f7
Merged revisions 5495-5496,5509,5514-5515,5521-5526 via svnmerge from
file:///home/clients/bsh/bsh-generischer-viewer/Material/SVN/flys-client/trunk
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r5495 | ingo | 2012-09-17 14:55:09 +0200 (Mo, 17 Sep 2012) | 1 line
Added missing i18n strings for minfo state description.
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r5496 | ingo | 2012-09-17 15:47:43 +0200 (Mo, 17 Sep 2012) | 1 line
Tagged 'flys-client' as 2.9.1
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r5509 | teichmann | 2012-09-18 17:54:37 +0200 (Di, 18 Sep 2012) | 1 line
Removed trailing whitespace.
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r5514 | bricks | 2012-09-19 09:56:42 +0200 (Mi, 19 Sep 2012) | 2 lines
Add missing Changelog entry for r5472
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r5515 | bricks | 2012-09-19 09:59:35 +0200 (Mi, 19 Sep 2012) | 2 lines
Implement a scrolling gauge info tree
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r5521 | bricks | 2012-09-19 14:41:48 +0200 (Mi, 19 Sep 2012) | 2 lines
Add station info to the gauges
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r5522 | bricks | 2012-09-19 14:43:43 +0200 (Mi, 19 Sep 2012) | 2 lines
Improve the handling of the GaugePanel in the ParameterList
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r5523 | bricks | 2012-09-19 14:51:02 +0200 (Mi, 19 Sep 2012) | 4 lines
Improve the GaugePanel
Be locale aware and only load the gauge info if the river name changes.
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r5524 | bricks | 2012-09-19 15:14:46 +0200 (Mi, 19 Sep 2012) | 5 lines
Fix a NullPointerException
When iterating over a list it must be checked if the reference to the list is
valid.
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r5525 | bricks | 2012-09-19 15:16:24 +0200 (Mi, 19 Sep 2012) | 2 lines
Don't display the GaugePanel if no river is selected
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r5526 | bricks | 2012-09-19 15:18:36 +0200 (Mi, 19 Sep 2012) | 2 lines
Use the wstunit from the river as unit for the Pegelnullpunkt
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flys-client/tags/2.9.1@5528 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Wed, 19 Sep 2012 14:42:48 +0000 |
parents | 67468c90ca68 |
children |
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package de.intevation.flys.client.server; import java.util.ArrayList; import java.util.List; 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 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.flys.client.shared.exceptions.ServerException; import de.intevation.flys.client.client.services.DischargeInfoService; import de.intevation.flys.client.shared.model.DischargeInfoObject; import de.intevation.flys.client.shared.model.DischargeInfoObjectImpl; /** * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a> */ public class DischargeInfoServiceImpl extends RemoteServiceServlet implements DischargeInfoService { private static final Logger logger = Logger.getLogger(DischargeInfoServiceImpl.class); public static final String ERROR_NO_DISCHARGEINFO_FOUND = "error_no_dischargeinfo_found"; public static final String XPATH_DISTANCES = "art:discharges/art:discharge"; public DischargeInfoObject[] getDischargeInfo( String locale, long gauge) throws ServerException { logger.info("DichargeInfoServiceImpl.getDischargeInfo"); String url = getServletContext().getInitParameter("server-url"); Document doc = XMLUtils.newDocument(); XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator( doc, ArtifactNamespaceContext.NAMESPACE_URI, ArtifactNamespaceContext.NAMESPACE_PREFIX); Element gaugeEl = ec.create("gauge"); gaugeEl.setTextContent(String.valueOf(gauge)); doc.appendChild(gaugeEl); HttpClient client = new HttpClientImpl(url, locale); try { Document result = client.callService(url, "dischargeinfo", doc); logger.debug("Extract discharge info objects now."); DischargeInfoObject[] objects = extractDischargeInfoObjects(result); if (objects != null && objects.length > 0) { return objects; } } catch (ConnectionException ce) { logger.error(ce, ce); } throw new ServerException(ERROR_NO_DISCHARGEINFO_FOUND); } protected DischargeInfoObject[] extractDischargeInfoObjects( Document result ) throws ServerException { NodeList list = result.getElementsByTagName("discharge"); if (list == null || list.getLength() == 0) { logger.warn("No discharge info found."); throw new ServerException(ERROR_NO_DISCHARGEINFO_FOUND); } int num = list.getLength(); logger.debug("Response contains " + num + " objects."); List<DischargeInfoObject> objects = new ArrayList<DischargeInfoObject>(num); for (int i = 0; i < num; i++) { DischargeInfoObject obj = buildDischargeInfoObject( (Element)list.item(i)); if (obj != null) { objects.add(obj); } } logger.debug("Retrieved " + objects.size() + " discharges."); return (DischargeInfoObject[]) objects.toArray(new DischargeInfoObject[num]); } protected DischargeInfoObject buildDischargeInfoObject(Element node) { String desc = node.getAttribute("description").trim(); String start = node.getAttribute("start").trim(); String end = node.getAttribute("end").trim(); if (start.length() > 0 && end.length() > 0) { try { Integer startYear = new Integer(start); Integer endYear = new Integer(end); return new DischargeInfoObjectImpl(desc, startYear, endYear); } catch (NumberFormatException nfe) { logger.warn(nfe.getLocalizedMessage()); } } logger.warn("Invalid distance info object found."); return null; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :