ingo@1805: package de.intevation.flys.artifacts;
ingo@1805:
ingo@1805: import com.vividsolutions.jts.geom.Envelope;
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;
christian@4654: import de.intevation.artifacts.Artifact;
christian@4654: import de.intevation.artifacts.ArtifactFactory;
christian@4654: import de.intevation.artifacts.CallMeta;
christian@4654: import de.intevation.artifacts.common.utils.FileTools;
christian@4654: import de.intevation.flys.artifacts.model.map.WMSDBLayerFacet;
ingo@2683: import de.intevation.flys.artifacts.resources.Resources;
ingo@1805: import de.intevation.flys.artifacts.states.DefaultState;
ingo@1854: import de.intevation.flys.utils.FLYSUtils;
rrenkert@4841: import de.intevation.flys.utils.MapUtils;
christian@4654:
christian@4654: import java.io.File;
christian@4654: import java.util.ArrayList;
christian@4654: import java.util.List;
christian@4654:
christian@4654: import org.apache.log4j.Logger;
christian@4654: import org.w3c.dom.Document;
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: @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:
felix@2741: String ids = getDatacageIDValue(data);
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()) {
bjoern@4497: addFacets(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@3019: @Override
ingo@3019: protected State getState(Object context, String stateID) {
ingo@3019: return getCurrentState(context);
ingo@3019: }
ingo@3019:
ingo@3019:
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:
raimund@2089: protected FLYSArtifact artifact;
ingo@1805:
ingo@2672: protected String name;
ingo@2683: protected int riverId;
ingo@2672:
ingo@2672:
raimund@2082: public WMSDBState() {}
raimund@2082:
raimund@2089: public WMSDBState(FLYSArtifact artifact) {
ingo@1805: this.artifact = artifact;
ingo@2672: this.name = null;
ingo@2683: this.riverId = 0;
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:
christian@4864: facet.addLayer(getLayer());
ingo@1805: facet.setExtent(getExtent());
ingo@3918: facet.setOriginalExtent(getExtent(true));
ingo@1805: facet.setSrid(getSrid());
ingo@1805: facet.setData(getDataString());
ingo@1805: facet.setFilter(getFilter());
ingo@1816: facet.setGeometryType(getGeometryType());
rrenkert@4841: facet.setConnection(MapUtils.getConnection());
rrenkert@4841: facet.setConnectionType(MapUtils.getConnectionType());
ingo@1876: facet.setLabelItem(getLabelItem());
ingo@1805:
ingo@1805: facets.add(facet);
ingo@1805:
ingo@1805: return null;
ingo@1805: }
ingo@1805:
ingo@1876: protected String getLabelItem() {
ingo@1876: return null;
ingo@1876: }
ingo@1876:
ingo@2683: public int getRiverId() {
ingo@2683: if (riverId == 0) {
aheinecke@5403: String rid = getIdPart(0);
ingo@2683:
ingo@2683: try {
aheinecke@5403: riverId = Integer.parseInt(rid);
ingo@2683: }
ingo@2683: catch (NumberFormatException nfe) {
aheinecke@5403: logger.error("Cannot parse river id from '" +
aheinecke@5403: artifact.getDataAsString("ids") + "'");
ingo@2683: }
ingo@2683: }
ingo@2683: return riverId;
ingo@2683: }
ingo@2683:
christian@4864: protected String getLayer() {
christian@4864: String type = getFacetType();
christian@4864: String name = type + "-" + artifact.identifier();
christian@4864: return name;
christian@4864: }
christian@4864:
ingo@2672: /**
ingo@2672: * Returns the name of the WMS layer. This method extracts the name
ingo@2672: * from 'ids' data string. It is expected, that the 'ids' string is
ingo@2672: * seperated by ';' and that the name is placed at index 1.
ingo@2672: *
ingo@2672: * @return the name of the WMS layer.
ingo@2672: */
ingo@2672: public String getName() {
ingo@2672: if (name == null) {
aheinecke@5403: name = getIdPart(1);
ingo@2672: }
ingo@2672:
ingo@2672: return name;
ingo@2672: }
ingo@2672:
aheinecke@5403: /**
aheinecke@5403: * Returns a part of the ID string. This method splits the
aheinecke@5403: * 'ids' data string. It is expected, that the 'ids' string is
aheinecke@5403: * seperated by ';'.
aheinecke@5403: *
aheinecke@5403: * @param number the position of the id data string
aheinecke@5403: *
aheinecke@5403: * @return the part of the id string at position number.
aheinecke@5403: * Null if number was out of bounds.
aheinecke@5403: */
aheinecke@5403: public String getIdPart(int number) {
aheinecke@5403: String ids = artifact.getDataAsString("ids");
aheinecke@5403:
aheinecke@5403: String parts[] = ids != null ? ids.split(";") : null;
aheinecke@5403:
aheinecke@5403: if (parts != null && parts.length >= number + 1) {
aheinecke@5403: return parts[number];
aheinecke@5403: }
aheinecke@5403: return null;
aheinecke@5403: }
aheinecke@5403:
ingo@2683:
ingo@2683: /**
ingo@2683: * Returns the name of the layer (returned by getName()) or the layer
ingo@2683: * type if the name is empty. The layer type is created by an i18n
ingo@2683: * string of getFacetType().
ingo@2683: *
ingo@2683: * @param meta A CallMeta used for i18n.
ingo@2683: *
ingo@2683: * @return the name of the layer or its type if name is empty.
ingo@2683: */
ingo@2683: protected String getTitle(CallMeta meta) {
ingo@2683: String name = getName();
ingo@2683:
ingo@2683: return name != null && name.length() > 0
ingo@2683: ? name
ingo@2683: : Resources.getMsg(
ingo@2683: meta,
ingo@2683: getFacetType(),
ingo@2683: getFacetType());
ingo@2683: }
ingo@2683:
ingo@2683:
ingo@3019: @Override
ingo@3019: public void endOfLife(Artifact owner, Object context) {
ingo@3019: logger.info("Destroy WMSDBState: " + getID());
ingo@3019:
christian@4656: String p = FLYSUtils.getXPathString(FLYSUtils.XPATH_FLOODMAP_SHAPEFILE_DIR);
ingo@3019: File dir = new File(p, owner.identifier());
ingo@3019:
ingo@3019: if (dir != null && dir.exists()) {
ingo@3019: logger.debug("Try to delete directory '" + dir + "'");
ingo@3019:
ingo@3019: FileTools.deleteRecursive(dir);
ingo@3019: }
ingo@3019: }
sascha@3923:
ingo@3918: /**
ingo@3918: * This method returns the extent of a DB layer in the projection of the
ingo@3918: * database.
sascha@3923: *
ingo@3918: * @return the extent of the DB layer in the projection of the database.
ingo@3918: */
ingo@3918: protected Envelope getExtent() {
ingo@3918: return getExtent(false);
ingo@3918: }
ingo@3019:
ingo@3019:
ingo@1805: protected abstract String getFacetType();
ingo@1805:
ingo@1805: protected abstract String getUrl();
ingo@1805:
ingo@1805: protected abstract String getSrid();
ingo@1805:
ingo@3918: /**
ingo@3918: * This method returns the extent of the DB layer. The projection of the
ingo@3918: * extent depends on the <i>reproject</i> parameter. If reproject is set,
ingo@3918: * the extent is reprojected into the original projection which is
ingo@3918: * specified in the configuration. Otherwise, the projection of the
ingo@3918: * database is used.
sascha@3923: *
ingo@3918: * @param reproject True, to reproject the extent into the projection
ingo@3918: * specified in the configuration.
sascha@3923: *
ingo@3918: * @return the extent of the database layer.
ingo@3918: */
ingo@3918: protected abstract Envelope getExtent(boolean reproject);
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 :