Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/ComputationRangeState.java @ 1774:092e1e5020bc
Added a new MapGenerator which only returns a map configuration document at the moment (work still in progress).
flys-artifacts/trunk@3095 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Fri, 28 Oct 2011 05:54:25 +0000 |
parents | 7e19449d7826 |
children | 9144e5a5027b |
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package de.intevation.flys.artifacts.states; import java.util.Date; import java.util.List; import org.apache.log4j.Logger; import org.w3c.dom.Element; import de.intevation.artifacts.Artifact; import de.intevation.artifacts.CallContext; import de.intevation.artifacts.common.utils.XMLUtils; import de.intevation.artifactdatabase.ProtocolUtils; import de.intevation.artifactdatabase.data.StateData; import de.intevation.artifactdatabase.state.Facet; import de.intevation.flys.model.DischargeTable; import de.intevation.flys.model.Gauge; import de.intevation.flys.model.River; import de.intevation.flys.model.TimeInterval; import de.intevation.flys.artifacts.FLYSArtifact; import de.intevation.flys.artifacts.WINFOArtifact; import de.intevation.flys.artifacts.model.CalculationResult; import de.intevation.flys.artifacts.model.FacetTypes; import de.intevation.flys.artifacts.model.GaugesFactory; import de.intevation.flys.artifacts.model.RiverFactory; import de.intevation.flys.artifacts.model.WaterlevelFacet; import de.intevation.flys.artifacts.model.WQKms; import de.intevation.flys.artifacts.resources.Resources; /** * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> */ public class ComputationRangeState extends RangeState implements FacetTypes { private static Logger logger = Logger.getLogger(ComputationRangeState.class); /** The name of the 'from' field. */ public static final String FROM = "ld_from"; /** The name of the 'to' field. */ public static final String TO = "ld_to"; /** The name of the 'step' field. */ public static final String STEP = "ld_step"; /** The default step width. */ public static final int DEFAULT_STEP = 100; public ComputationRangeState() { } @Override protected Element createData( XMLUtils.ElementCreator cr, Artifact artifact, StateData data, CallContext context) { Element select = ProtocolUtils.createArtNode( cr, "select", null, null); cr.addAttr(select, "name", data.getName(), true); Element label = ProtocolUtils.createArtNode( cr, "label", null, null); Element choices = ProtocolUtils.createArtNode( cr, "choices", null, null); label.setTextContent(Resources.getMsg( context.getMeta(), data.getName(), data.getName())); select.appendChild(label); return select; } @Override protected Element[] createItems( XMLUtils.ElementCreator cr, Artifact artifact, String name, CallContext context) { double[] minmax = getMinMax(artifact); double minVal = Double.MIN_VALUE; double maxVal = Double.MAX_VALUE; if (minmax != null) { minVal = minmax[0]; maxVal = minmax[1]; } else { logger.warn("Could not read min/max distance values!"); } if (name.equals("ld_from")) { Element min = createItem( cr, new String[] {"min", new Double(minVal).toString()}); return new Element[] { min }; } else if (name.equals("ld_to")) { Element max = createItem( cr, new String[] {"max", new Double(maxVal).toString()}); return new Element[] { max }; } else { Element step = createItem( cr, new String[] {"step", String.valueOf(getDefaultStep())}); return new Element[] { step }; } } protected Element createItem(XMLUtils.ElementCreator cr, Object obj) { Element item = ProtocolUtils.createArtNode(cr, "item", null, null); Element label = ProtocolUtils.createArtNode(cr, "label", null, null); Element value = ProtocolUtils.createArtNode(cr, "value", null, null); String[] arr = (String[]) obj; label.setTextContent(arr[0]); value.setTextContent(arr[1]); item.appendChild(label); item.appendChild(value); return item; } @Override public Object computeFeed( FLYSArtifact artifact, String hash, CallContext context, List<Facet> facets, Object old ) { logger.debug("computeFeed"); WINFOArtifact winfo = (WINFOArtifact)artifact; CalculationResult res = old instanceof CalculationResult ? (CalculationResult)old : winfo.getDischargeCurveData(); if (facets == null) { logger.debug("generate no facets"); return res; } WQKms [] wqkms = (WQKms [])res.getData(); logger.debug("generate " + wqkms.length + " facets."); String stateID = winfo.getCurrentStateId(); for (int i = 0; i < wqkms.length; ++i) { String name = getSeriesName(context, wqkms[i].getName()); facets.add(new WaterlevelFacet( i, DISCHARGE_CURVE, name, ComputeType.FEED, stateID, hash)); } return res; } protected String getSeriesName(CallContext cc, String gaugeName) { Gauge gauge = GaugesFactory.getGauge(gaugeName); if (gauge == null) { logger.warn("Cannot determine Gauge for name: " + gaugeName); return gaugeName; } List<DischargeTable> dts = gauge.getDischargeTables(); for (DischargeTable dt: dts) { if (dt.getKind() == 0) { TimeInterval ti = dt.getTimeInterval(); Date start = ti.getStartTime(); Date end = ti.getStopTime(); String name = gauge.getName(); if (end == null) { Object[] args = new Object[] { name, start }; return Resources.getMsg( cc.getMeta(), "chart.discharge.curve.curve.valid.from", "", args); } else { Object[] args = new Object[] { name, start, end }; return Resources.getMsg( cc.getMeta(), "chart.discharge.curve.curve.valid.range", "", args); } } } return gauge.getName(); } @Override protected double[] getMinMax(Artifact artifact) { FLYSArtifact flysArtifact = (FLYSArtifact) artifact; StateData data = getData(flysArtifact, "river"); String name = data != null ? (String) data.getValue() : ""; logger.debug("Search for the min/max distances of '" + name + "'"); River river = RiverFactory.getRiver(name); return river != null ? river.determineMinMaxDistance() : null; } protected double getDefaultStep() { return DEFAULT_STEP; } @Override protected String getLowerField() { return FROM; } @Override protected String getUpperField() { return TO; } @Override protected String getStepField() { return STEP; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :