Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/ExternalWMSArtifact.java @ 2089:0da8874bd378
Added initial state to map artifact to be able to advance and step back.
The map artifact overrides describe() to have the complete UI information in the
describe response document.
flys-artifacts/trunk@3613 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Raimund Renkert <raimund.renkert@intevation.de> |
---|---|
date | Fri, 06 Jan 2012 12:02:10 +0000 |
parents | 8afd6a9bb244 |
children | 6717b4725ddf |
line wrap: on
line source
package de.intevation.flys.artifacts; import java.util.ArrayList; import java.util.List; import org.apache.log4j.Logger; import org.w3c.dom.Document; import de.intevation.artifacts.Artifact; import de.intevation.artifacts.ArtifactFactory; import de.intevation.artifacts.CallMeta; import de.intevation.artifacts.common.ArtifactNamespaceContext; import de.intevation.artifacts.common.utils.XMLUtils; import de.intevation.artifactdatabase.state.DefaultOutput; import de.intevation.artifactdatabase.state.Facet; import de.intevation.artifactdatabase.state.State; import de.intevation.flys.artifacts.states.WMSBackgroundState; public class ExternalWMSArtifact extends StaticFLYSArtifact { public static final String XPATH_IDS = "/art:action/art:ids/@value"; public static final String NAME = "external_wms"; private static final Logger logger = Logger.getLogger(ExternalWMSArtifact.class); @Override public String getName() { return NAME; } @Override public void setup( String identifier, ArtifactFactory factory, Object context, CallMeta callMeta, Document data) { logger.info("ExternalWMSArtifact.setup"); super.setup(identifier, factory, context, callMeta, data); String ids = XMLUtils.xpathString( data, XPATH_IDS, ArtifactNamespaceContext.INSTANCE); if (ids != null && ids.length() > 0) { addStringData("ids", ids); } else { throw new IllegalArgumentException("No attribute 'ids' found!"); } List<Facet> fs = new ArrayList<Facet>(); WMSBackgroundState s = (WMSBackgroundState) getCurrentState(context); s.computeInit(this, hash(), context, callMeta, fs); if (!fs.isEmpty()) { facets.put(getCurrentStateId(), fs); } } @Override protected void initialize( Artifact artifact, Object context, CallMeta callMeta) { // do nothing } @Override public State getCurrentState(Object cc) { State s = new ExternalWMSState(this); List<Facet> fs = facets.get(getCurrentStateId()); DefaultOutput o = new DefaultOutput( "floodmap", "floodmap", "image/png", fs, "map"); s.getOutputs().add(o); return s; } /** * Get a list containing the one and only State. * @param context ignored. * @return list with one and only state. */ @Override protected List<State> getStates(Object context) { ArrayList<State> states = new ArrayList<State>(); states.add(getCurrentState(context)); return states; } public static class ExternalWMSState extends WMSBackgroundState { protected ExternalWMSArtifact artifact; protected String ids; public ExternalWMSState(ExternalWMSArtifact artifact) { super(); this.artifact = artifact; } protected String getIds() { if (ids == null || ids.length() == 0) { ids = artifact.getDataAsString("ids"); } return ids; } @Override protected String getFacetType() { return FLOODMAP_EXTERNAL_WMS; } @Override protected String getSrid() { return ""; } @Override protected String getUrl() { String ids = getIds(); String[] parts = ids.split(";"); return parts[0]; } @Override protected String getLayer() { String ids = getIds(); String[] parts = ids.split(";"); return parts[1]; } @Override protected String getTitle(CallMeta meta) { String ids = getIds(); String[] parts = ids.split(";"); return parts[2]; } } // end of class ExternalWMSState } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :