bjoern@3936: package de.intevation.flys.artifacts;
bjoern@3936: 
bjoern@3936: import java.util.ArrayList;
bjoern@3936: import java.util.List;
bjoern@3936: 
bjoern@3936: import org.apache.log4j.Logger;
bjoern@3936: 
bjoern@3936: import org.w3c.dom.Document;
bjoern@3936: 
bjoern@3936: import de.intevation.artifactdatabase.state.DefaultOutput;
bjoern@3936: import de.intevation.artifactdatabase.state.Facet;
bjoern@3936: 
bjoern@3936: import de.intevation.artifacts.ArtifactFactory;
bjoern@3936: import de.intevation.artifacts.CallMeta;
bjoern@3936: 
bjoern@3936: import de.intevation.artifacts.common.ArtifactNamespaceContext;
bjoern@3936: import de.intevation.artifacts.common.utils.XMLUtils;
bjoern@3936: 
bjoern@3936: import de.intevation.flys.artifacts.states.StaticState;
bjoern@3936: import de.intevation.flys.artifacts.model.GaugeDischargeCurveFacet;
bjoern@3936: 
bjoern@3936: 
bjoern@3936: /**
bjoern@3936:  * Artifact to calculate a discharge curve from a gauge overview info
bjoern@3936:  *
bjoern@3936:  * @author <a href="mailto:bjoern.ricks@intevation.de">Björn Ricks</a>
bjoern@3936:  */
bjoern@3936: public class GaugeDischargeCurveArtifact
bjoern@3936: extends      AbstractStaticStateArtifact
bjoern@3936: {
bjoern@3936: 
bjoern@3936:     private static final Logger logger =
bjoern@3936:         Logger.getLogger(GaugeDischargeCurveArtifact.class);
bjoern@3936: 
bjoern@3936:     public static final String XPATH_RIVER = "/art:action/art:river/@name";
bjoern@3936:     public static final String XPATH_GAUGE = "/art:action/art:gauge/@reference";
bjoern@3936:     public static final String NAME = "gaugedischargecurve";
bjoern@3936:     public static final String STATIC_STATE_NAME = "state.gaugedischargecurve.static";
bjoern@3936: 
bjoern@3936:     /**
bjoern@3936:      * Setup initializes the data by extracting the river and gauge from
bjoern@3936:      * the XML Document.
bjoern@3936:      */
bjoern@3936:     @Override
bjoern@3936:     public void setup(
bjoern@3936:         String          identifier,
bjoern@3936:         ArtifactFactory factory,
bjoern@3936:         Object          context,
bjoern@3936:         CallMeta        callmeta,
bjoern@3936:         Document        data)
bjoern@3936:     {
bjoern@3936:         logger.debug("GaugeDischargeCurveArtifact.setup");
bjoern@3936: 
bjoern@3936:         if (logger.isDebugEnabled()) {
bjoern@3936:             logger.debug("GaugeDischargeCurveState.setup" + XMLUtils.toString(data));
bjoern@3936:         }
bjoern@3936:         String gaugeref = XMLUtils.xpathString(data, XPATH_GAUGE,
bjoern@3936:                 ArtifactNamespaceContext.INSTANCE);
bjoern@3936:         String rivername = XMLUtils.xpathString(data, XPATH_RIVER,
bjoern@3936:                 ArtifactNamespaceContext.INSTANCE);
bjoern@3936: 
bjoern@3936:         addStringData("river", rivername);
bjoern@3936:         addStringData("reference_gauge", gaugeref);
bjoern@3936: 
teichmann@3986:         Facet gfacet = new GaugeDischargeCurveFacet();
bjoern@3936: 
bjoern@3936:         List<Facet> fs = new ArrayList<Facet>(1);
bjoern@3936:         fs.add(gfacet);
bjoern@3936: 
bjoern@3936:         addFacets(STATIC_STATE_NAME, fs);
bjoern@3936: 
bjoern@3936:         super.setup(identifier, factory, context, callmeta, data);
bjoern@3936:     }
bjoern@3936: 
bjoern@3936:     @Override
bjoern@3936:     public String getName() {
bjoern@3936:         return NAME;
bjoern@3936:     }
bjoern@3936: 
bjoern@3936:     @Override
bjoern@3936:     protected void initStaticState() {
bjoern@3936:         StaticState state = new StaticState(STATIC_STATE_NAME);
bjoern@3936:         List<Facet> fs = facets.get(STATIC_STATE_NAME);
bjoern@3936:         DefaultOutput output = new DefaultOutput(
bjoern@3936:             "discharge_curve",
bjoern@3936:             "output.discharge_curve", "image/png",
bjoern@3936:             fs,
bjoern@3936:             "chart");
bjoern@3936: 
bjoern@3936:         state.addOutput(output);
bjoern@3936:         setStaticState(state);
bjoern@3936:     }
bjoern@3936: }