Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/ManualPointsArtifact.java @ 4357:11cf29eb002c
FacetTypes: New type: exreme_wq_curve_base (for the Stuetz-Q-Poits).
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
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date | Fri, 02 Nov 2012 11:58:11 +0100 |
parents | 066e2b4d69ca |
children | 6153c50f78cf |
line wrap: on
line source
package de.intevation.flys.artifacts; import java.awt.geom.Point2D; import java.util.ArrayList; import java.util.List; import org.apache.log4j.Logger; import org.json.JSONArray; import org.json.JSONException; import org.w3c.dom.Document; import de.intevation.artifactdatabase.state.Facet; import de.intevation.artifacts.Artifact; import de.intevation.artifacts.ArtifactFactory; import de.intevation.artifacts.CallMeta; import de.intevation.flys.artifacts.geom.Lines; import de.intevation.flys.artifacts.model.FacetTypes; import de.intevation.flys.artifacts.states.DefaultState; import de.intevation.flys.model.FastCrossSectionLine; /** * Artifact to store user-added points and water lines. */ public class ManualPointsArtifact extends StaticFLYSArtifact implements FacetTypes, WaterLineArtifact { private static final long serialVersionUID = 7096025125474986011L; /** The logger for this class. */ private static Logger logger = Logger.getLogger(ManualPointsArtifact.class); /** The name of the artifact. */ public static final String ARTIFACT_NAME = "manualpoints"; public ManualPointsArtifact() { logger.debug("ManualPointsArtifact.ManualPointsArtifact()"); } /** * Gets called from factory to set things up. */ @Override public void setup( String identifier, ArtifactFactory factory, Object context, CallMeta callMeta, Document data) { logger.debug("ManualPointsArtifact.setup"); super.setup(identifier, factory, context, callMeta, data); initialize(null, context, callMeta); } /** Return the name of this artifact. */ @Override public String getName() { return ARTIFACT_NAME; } /** Access state data storing the jsonstring with points. */ public String getPointsData(String facetName) { return getDataAsString(facetName + ".data"); } /** * Access state data storing the jsonstring with lines. * @param facetName Name of facet or null if the so far * only known case should be picked. * @return (String) value of data element (expect json). */ public String getLinesData(String facetName) { if (facetName == null) return getDataAsString("cross_section.manualpoints.lines"); // TODO .lineS? return getDataAsString(facetName + ".line"); } /** Setup state and facet. */ @Override protected void initialize(Artifact artifact, Object context, CallMeta meta) { logger.debug("ManualPointsArtifact.initialize"); List<Facet> fs = new ArrayList<Facet>(); DefaultState state = (DefaultState) getCurrentState(context); state.computeInit(this, hash(), context, meta, fs); if (!fs.isEmpty()) { logger.debug("Facets to add in ManualPointsArtifact.initialize ."); facets.put(getCurrentStateId(), fs); } else { logger.debug("No facets to add in ManualPointsArtifact.initialize (" + state.getID() + ")."); } } /** * Get value of line at index. * @param index index in json array defining lines. * @return water height of line at given index. */ protected double getLine(int index) { try { JSONArray lines = new JSONArray(getLinesData(null)); JSONArray array = lines.getJSONArray(index); return array.getDouble(0); } catch(JSONException e){ logger.error("Could not decode json for line."); return 0d; } } /** * Get the water line "surface". * @param index index of facets data. * @param csl 'ground' against which to determine water surface. * @param a (ignored in this implementation). * @param b (ignored in this implementation). */ @Override public Lines.LineData getWaterLines( int index, FastCrossSectionLine csl, double a, double b ) { List<Point2D> points = csl.getPoints(); return Lines.createWaterLines(points, getLine(index)); } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :