Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/WMSLineArtifact.java @ 6140:60b94dec104b
Add handling of bound artifacts.
When an artifact is bound to an out its facets will only be shown
in that Out. They will be removed in the blackboard pass and marked
as incompatible by the AttributeWriter
author | Andre Heinecke <aheinecke@intevation.de> |
---|---|
date | Fri, 31 May 2013 15:29:30 +0200 |
parents | af13ceeba52a |
children | 8d5ca5175038 |
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/* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde * Software engineering by Intevation GmbH * * This file is Free Software under the GNU AGPL (>=v3) * and comes with ABSOLUTELY NO WARRANTY! Check out the * documentation coming with Dive4Elements River for details. */ package org.dive4elements.river.artifacts; import java.util.List; import org.w3c.dom.Document; import org.apache.log4j.Logger; import com.vividsolutions.jts.geom.Envelope; import org.dive4elements.artifacts.ArtifactFactory; import org.dive4elements.artifacts.CallMeta; import org.dive4elements.artifactdatabase.state.DefaultOutput; import org.dive4elements.artifactdatabase.state.Facet; import org.dive4elements.artifactdatabase.state.State; import org.dive4elements.river.model.River; import org.dive4elements.river.model.HWSLine; import org.dive4elements.river.artifacts.model.FacetTypes; import org.dive4elements.river.artifacts.model.RiverFactory; import org.dive4elements.river.utils.RiverUtils; import org.dive4elements.river.utils.GeometryUtils; public class WMSLineArtifact extends WMSDBArtifact { public static final String NAME = "lines"; private static final Logger logger = Logger.getLogger(WMSLineArtifact.class); @Override public void setup( String identifier, ArtifactFactory factory, Object context, CallMeta callMeta, Document data) { logger.debug("WMSLineArtifact.setup"); super.setup(identifier, factory, context, callMeta, data); } @Override public String getName() { return NAME; } @Override public State getCurrentState(Object cc) { State s = new LineState(this); List<Facet> fs = getFacets(getCurrentStateId()); DefaultOutput o = new DefaultOutput( "floodmap", "floodmap", "image/png", fs, "map"); s.getOutputs().add(o); return s; } public static class LineState extends WMSDBState implements FacetTypes { private static final Logger logger = Logger.getLogger(LineState.class); protected int riverId; public LineState(WMSDBArtifact artifact) { super(artifact); riverId = 0; } public int getRiverId() { if (riverId == 0) { String ids = artifact.getDataAsString("ids"); String[] parts = ids.split(";"); try { riverId = Integer.parseInt(parts[0]); } catch (NumberFormatException nfe) { logger.error("Cannot parse river id from '" + parts[0] + "'"); } } return riverId; } @Override protected String getFacetType() { return FLOODMAP_LINES; } @Override protected String getUrl() { return RiverUtils.getUserWMSUrl(artifact.identifier()); } @Override protected String getSrid() { River river = RiverFactory.getRiver(getRiverId()); return RiverUtils.getRiverSrid(river.getName()); } @Override protected Envelope getExtent(boolean reproject) { List<HWSLine> lines = HWSLine.getLines(getRiverId(), getName()); Envelope max = null; for (HWSLine l: lines) { Envelope env = l.getGeom().getEnvelopeInternal(); if (max == null) { max = env; continue; } max.expandToInclude(env); } return max != null && reproject ? GeometryUtils.transform(max, getSrid()) : max; } @Override protected String getFilter() { return "river_id=" + String.valueOf(getRiverId()) + " AND name='" + getName() + "'"; } @Override protected String getDataString() { String srid = getSrid(); if (RiverUtils.isUsingOracle()) { return "geom FROM lines USING SRID " + srid; } else { return "geom FROM lines USING UNIQUE id USING SRID " + srid; } } @Override protected String getGeometryType() { return "LINE"; } } // end of WMSKmState } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :