Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/CollectionMonitor.java @ 6923:254a3f3556ee
WstValueTable: Add method to find out wether the Qs are 'fake'
This happens in import process when no Q values are found (they are
set to zero). As consequence, these datasets can only be drawn
as markers to an axis.
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
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date | Mon, 26 Aug 2013 15:32:57 +0200 |
parents | af13ceeba52a |
children | 505b05e223b1 |
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/* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde * Software engineering by Intevation GmbH * * This file is Free Software under the GNU AGPL (>=v3) * and comes with ABSOLUTELY NO WARRANTY! Check out the * documentation coming with Dive4Elements River for details. */ package org.dive4elements.river.artifacts; import java.util.HashMap; import java.util.List; import java.util.Map; import javax.xml.xpath.XPathConstants; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.w3c.dom.Node; import org.dive4elements.artifacts.Artifact; import org.dive4elements.artifacts.ArtifactNamespaceContext; import org.dive4elements.artifacts.CallContext; import org.dive4elements.artifacts.Hook; import org.dive4elements.artifacts.common.utils.XMLUtils; import org.dive4elements.artifacts.common.utils.XMLUtils.ElementCreator; import org.dive4elements.artifactdatabase.state.Output; import org.dive4elements.river.artifacts.datacage.Recommendations; /** Monitors collection changes. */ public class CollectionMonitor implements Hook { public static final String XPATH_RESULT = "/art:result"; @Override public void setup(Node cfg) { } @Override public void execute(Artifact artifact, CallContext context, Document doc) { D4EArtifact flys = (D4EArtifact) artifact; Element result = (Element) XMLUtils.xpath( doc, XPATH_RESULT, XPathConstants.NODE, ArtifactNamespaceContext.INSTANCE); ElementCreator creator = new ElementCreator( doc, ArtifactNamespaceContext.NAMESPACE_URI, ArtifactNamespaceContext.NAMESPACE_PREFIX); Element recommended = creator.create("recommended-artifacts"); result.appendChild(recommended); String[] outs = extractOutputNames(flys, context); Map<String, Object> params = getNoneUserSpecificParameters(flys, context); Recommendations rec = Recommendations.getInstance(); // TODO For newer official-lines recommendations we actually // need user-id (null here). rec.recommend(flys, null, outs, params, recommended); } /** * Get outputnames from current state (only the ones for which * facets exist). */ public static String[] extractOutputNames( D4EArtifact flys, CallContext context) { if (flys instanceof ChartArtifact) { return new String[0]; } List<Output> outs = flys.getCurrentOutputs(context); int num = outs == null ? 0 : outs.size(); String[] names = new String[num]; for (int i = 0; i < num; i++) { names[i] = outs.get(i).getName(); } return names; } /** * Creates Map from Strings "recommended" to "true". */ protected Map<String, Object> getNoneUserSpecificParameters( D4EArtifact flys, CallContext context) { Map<String, Object> params = new HashMap<String, Object>(1); params.put("recommended", "true"); return params; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :