ingo@1805: package de.intevation.flys.artifacts;
ingo@1805: 
ingo@1805: import java.util.ArrayList;
ingo@1805: import java.util.List;
ingo@1805: 
ingo@1805: import org.w3c.dom.Document;
ingo@1805: 
ingo@1805: import org.apache.log4j.Logger;
ingo@1805: 
ingo@1805: import com.vividsolutions.jts.geom.Envelope;
ingo@1805: 
ingo@1805: import de.intevation.artifacts.Artifact;
ingo@1805: import de.intevation.artifacts.ArtifactFactory;
ingo@1805: import de.intevation.artifacts.CallMeta;
ingo@1805: 
ingo@1805: import de.intevation.artifactdatabase.data.DefaultStateData;
ingo@1805: import de.intevation.artifactdatabase.state.Facet;
ingo@1805: import de.intevation.artifactdatabase.state.State;
ingo@1805: 
ingo@1805: import de.intevation.artifacts.common.ArtifactNamespaceContext;
ingo@1805: import de.intevation.artifacts.common.utils.XMLUtils;
ingo@1805: 
ingo@1805: import de.intevation.flys.artifacts.states.DefaultState;
ingo@1805: import de.intevation.flys.artifacts.model.WMSDBLayerFacet;
ingo@1805: 
ingo@1805: 
ingo@1805: public abstract class WMSDBArtifact extends StaticFLYSArtifact {
ingo@1805: 
ingo@1805:     private static final Logger logger = Logger.getLogger(WMSDBArtifact.class);
ingo@1805: 
ingo@1805:     public static final String XPATH_IDS = "/art:action/art:ids/@value";
ingo@1805: 
ingo@1805: 
ingo@1805:     @Override
ingo@1805:     public void setup(
ingo@1805:         String          identifier,
ingo@1805:         ArtifactFactory factory,
ingo@1805:         Object          context,
ingo@1805:         CallMeta        callMeta,
ingo@1805:         Document        data)
ingo@1805:     {
ingo@1805:         logger.debug("WMSDBArtifact.setup");
ingo@1805: 
ingo@1805:         super.setup(identifier, factory, context, callMeta, data);
ingo@1805: 
ingo@1805:         String ids = XMLUtils.xpathString(
ingo@1805:             data, XPATH_IDS, ArtifactNamespaceContext.INSTANCE);
ingo@1805: 
ingo@1805:         if (ids != null && ids.length() > 0) {
ingo@1805:             addData("ids", new DefaultStateData("ids", null, null, ids));
ingo@1805:         }
ingo@1805:         else {
ingo@1805:             throw new IllegalArgumentException("No attribute 'ids' found!");
ingo@1805:         }
ingo@1805: 
ingo@1805:         List<Facet> fs = new ArrayList<Facet>();
ingo@1805: 
ingo@1805:         WMSDBState state = (WMSDBState) getCurrentState(context);
ingo@1805:         state.computeInit(this, hash(), context, callMeta, fs);
ingo@1805: 
ingo@1805:         if (!fs.isEmpty()) {
ingo@1805:             facets.put(getCurrentStateId(), fs);
ingo@1805:         }
ingo@1805:     }
ingo@1805: 
ingo@1805: 
ingo@1805:     @Override
ingo@1805:     protected void initialize(
ingo@1805:         Artifact artifact,
ingo@1805:         Object   context,
ingo@1805:         CallMeta callMeta)
ingo@1805:     {
ingo@1805:         // do nothing
ingo@1805:     }
ingo@1805: 
ingo@1805: 
ingo@1805:     /**
ingo@1805:      * Get a list containing the one and only State.
ingo@1805:      * @param  context ignored.
ingo@1805:      * @return list with one and only state.
ingo@1805:      */
ingo@1805:     @Override
ingo@1805:     protected List<State> getStates(Object context) {
ingo@1805:         ArrayList<State> states = new ArrayList<State>();
ingo@1805:         states.add(getCurrentState(context));
ingo@1805: 
ingo@1805:         return states;
ingo@1805:     }
ingo@1805: 
ingo@1805: 
ingo@1805: 
ingo@1805:     public static abstract class WMSDBState extends DefaultState {
ingo@1805:         private static final Logger logger = Logger.getLogger(WMSDBState.class);
ingo@1805: 
ingo@1805:         protected WMSDBArtifact artifact;
ingo@1805: 
ingo@1805:         public WMSDBState(WMSDBArtifact artifact) {
ingo@1805:             this.artifact = artifact;
ingo@1805:         }
ingo@1805: 
ingo@1805:         @Override
ingo@1805:         public Object computeInit(
ingo@1805:             FLYSArtifact artifact,
ingo@1805:             String       hash,
ingo@1805:             Object       context,
ingo@1805:             CallMeta     meta,
ingo@1805:             List<Facet>  facets
ingo@1805:         ) {
ingo@1805:             logger.debug("WMSDBState.computeInit");
ingo@1805: 
ingo@1805:             String type = getFacetType();
ingo@1805: 
ingo@1805:             WMSDBLayerFacet facet = new WMSDBLayerFacet(
ingo@1805:                 0,
ingo@1805:                 type,
ingo@1805:                 getTitle(meta),
ingo@1805:                 ComputeType.INIT,
ingo@1805:                 getID(), hash,
ingo@1805:                 getUrl());
ingo@1805: 
ingo@1805:             String name = artifact.identifier() + "-" + type;
ingo@1805: 
ingo@1805:             facet.addLayer(name);
ingo@1805:             facet.setExtent(getExtent());
ingo@1805:             facet.setSrid(getSrid());
ingo@1805:             facet.setData(getDataString());
ingo@1805:             facet.setFilter(getFilter());
ingo@1816:             facet.setGeometryType(getGeometryType());
ingo@1805: 
ingo@1805:             facets.add(facet);
ingo@1805: 
ingo@1805:             return null;
ingo@1805:         }
ingo@1805: 
ingo@1805:         protected abstract String getFacetType();
ingo@1805: 
ingo@1805:         protected abstract String getTitle(CallMeta meta);
ingo@1805: 
ingo@1805:         protected abstract String getUrl();
ingo@1805: 
ingo@1805:         protected abstract String getSrid();
ingo@1805: 
ingo@1805:         protected abstract Envelope getExtent();
ingo@1805: 
ingo@1805:         protected abstract String getFilter();
ingo@1805: 
ingo@1805:         protected abstract String getDataString();
ingo@1816: 
ingo@1816:         protected abstract String getGeometryType();
ingo@1805:     } // end of WMSDBState
ingo@1805: }
ingo@1805: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :