felix@1122: package de.intevation.flys.artifacts.model;
felix@1122: 
felix@1122: import org.apache.log4j.Logger;
felix@1122: 
felix@2002: import java.util.ArrayList;
felix@1975: import java.util.List;
felix@1975: 
felix@1975: import de.intevation.flys.model.CrossSectionLine;
felix@1975: 
felix@1122: import de.intevation.artifacts.Artifact;
felix@1122: import de.intevation.artifacts.CallContext;
felix@1122: 
felix@1122: import de.intevation.artifactdatabase.state.DefaultFacet;
felix@1122: import de.intevation.artifactdatabase.state.Facet;
felix@1975: import de.intevation.artifacts.DataProvider;
felix@1122: 
felix@1981: import de.intevation.flys.artifacts.WaterLineArtifact;
felix@1122: 
felix@1122: 
felix@1122: /**
felix@1122:  * Facet for Waterlines in Cross Sections.
felix@1122:  */
felix@1122: public class CrossSectionWaterLineFacet
felix@1122: extends      DefaultFacet
felix@1122: implements   FacetTypes {
felix@1122: 
felix@1122:     private static Logger logger = Logger.getLogger(CrossSectionWaterLineFacet.class);
felix@1122: 
felix@1122: 
felix@1122:     /** Trivial constructor, set (maybe localized) description. */
felix@1802:     public CrossSectionWaterLineFacet(int idx, String description) {
felix@1802:         super(idx, CROSS_SECTION_WATER_LINE, description);
felix@1122:     }
felix@1122: 
felix@1122: 
felix@1122:     /**
felix@1975:      * Gets waterline (crossed with cross section) of waterlevel.
felix@1122:      */
felix@1122:     public Object getData(Artifact artifact, CallContext context) {
felix@1122:         logger.debug("Get data for cross section water line");
felix@1122: 
felix@1975:         List<DataProvider> providers = context.
felix@1975:             getDataProvider(CrossSectionFacet.BLACKBOARD_CS_MASTER_DATA);
felix@1975:         if (providers.size() < 1) {
felix@1975:             logger.warn("Could not find Cross-Section data provider.");
felix@1975:             return new double[][] {};
felix@1975:         }
felix@1975:         
felix@1975:         Object crossSection = providers.get(0)
felix@1975:             .provideData(CrossSectionFacet.BLACKBOARD_CS_MASTER_DATA, null, context);
felix@1975: 
felix@1981:         WaterLineArtifact winfo = (WaterLineArtifact)artifact;
felix@1122: 
felix@1975:         return winfo.getWaterLines(this.getIndex(), (CrossSectionLine) crossSection);
felix@1122:     }
felix@1122: 
felix@1136: 
felix@2002:     public List getDataProviderKeys(Artifact art) {
felix@2002:         List list = new ArrayList();
felix@2002:         list.add(art.identifier() + getIndex());
felix@2002:         return list;
felix@2002:     }
felix@2002: 
felix@2002: 
felix@2002:     /**
felix@2002:      * Can provide the master cross section lines or its index.
felix@2002:      * @param artifact crosssection-artifact
felix@2002:      * @param key      will respond on BLACKBOARD_CS_MASTER_DATA
felix@2002:      * @param param    ignored
felix@2002:      * @param context  ignored
felix@2002:      * @return data from artifact (cross section master track).
felix@2002:      */
felix@2002:     public Object provideBlackboardData(Artifact artifact,
felix@2002:         Object key,
felix@2002:         Object param,
felix@2002:         CallContext context
felix@2002:     ) {
felix@2002:         if (key.equals(artifact.identifier() + getIndex())) {
felix@2002:             return getData(artifact, context);
felix@2002:         }
felix@2002:         else {
felix@2002:             logger.warn("Cannot provide data for key: " + key);
felix@2002:             return null;
felix@2002:         }
felix@2002:     }
felix@2002: 
felix@2002: 
felix@1136:     /** Do a deep copy. */
felix@1122:     @Override 
felix@1122:     public Facet deepCopy() {
felix@1975:         CrossSectionWaterLineFacet copy = new CrossSectionWaterLineFacet(
felix@1975:             this.getIndex(),
felix@1975:             this.description);
felix@1122:         copy.set(this);
felix@1122:         return copy;
felix@1122:     }
felix@1122: }
felix@1122: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :