Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/ChartArtifact.java @ 3020:ce796f1db30e
FixA: Store AnalysisPeriods into FixResult now.
flys-artifacts/trunk@4587 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Tue, 05 Jun 2012 13:51:42 +0000 |
parents | 1ea555bf3c6b |
children | 4bd3d8bbb60c |
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package de.intevation.flys.artifacts; import org.apache.log4j.Logger; import java.util.List; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.w3c.dom.Node; import de.intevation.artifacts.Artifact; import de.intevation.artifacts.ArtifactFactory; import de.intevation.artifacts.CallMeta; import de.intevation.artifacts.CallContext; import de.intevation.artifacts.common.utils.XMLUtils; import de.intevation.artifacts.common.utils.XMLUtils.ElementCreator; import de.intevation.artifacts.common.ArtifactNamespaceContext; import de.intevation.artifactdatabase.ProtocolUtils; import de.intevation.artifactdatabase.state.Facet; import de.intevation.artifactdatabase.state.State; import de.intevation.artifactdatabase.state.StateEngine; import de.intevation.artifactdatabase.state.Output; import de.intevation.artifactdatabase.transition.TransitionEngine; import de.intevation.flys.utils.FLYSUtils; import de.intevation.flys.artifacts.states.DefaultState; import de.intevation.flys.artifacts.context.FLYSContext; import de.intevation.flys.artifacts.resources.Resources; public class ChartArtifact extends FLYSArtifact { private static final Logger logger = Logger.getLogger(ChartArtifact.class); @Override public void setup( String identifier, ArtifactFactory factory, Object context, CallMeta callmeta, Document data) { logger.debug("ChartArtifact.setup"); this.identifier = identifier; name = "new_chart"; List<State> states = getStates(context); setCurrentState(states.get(0)); } @Override public Document describe(Document data, CallContext context) { logger.debug("Describe: the current state is: " + getCurrentStateId()); if (logger.isDebugEnabled()) { dumpArtifact(); } FLYSContext flysContext = FLYSUtils.getFlysContext(context); StateEngine stateEngine = (StateEngine) flysContext.get( FLYSContext.STATE_ENGINE_KEY); TransitionEngine transitionEngine = (TransitionEngine) flysContext.get( FLYSContext.TRANSITION_ENGINE_KEY); List<State> reachable = transitionEngine.getReachableStates( this, getCurrentState(context), stateEngine); Document description = XMLUtils.newDocument(); XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator( description, ArtifactNamespaceContext.NAMESPACE_URI, ArtifactNamespaceContext.NAMESPACE_PREFIX); Element root = ProtocolUtils.createRootNode(creator); description.appendChild(root); State current = getCurrentState(context); ProtocolUtils.appendDescribeHeader(creator, root, identifier(), hash()); ProtocolUtils.appendState(creator, root, current); ProtocolUtils.appendReachableStates(creator, root, reachable); appendBackgroundActivity(creator, root, context); Element name = ProtocolUtils.createArtNode( creator, "name", new String[] { "value" }, new String[] { getName() }); Element ui = ProtocolUtils.createArtNode( creator, "ui", null, null); Element staticUI = ProtocolUtils.createArtNode( creator, "static", null, null); Element outs = ProtocolUtils.createArtNode( creator, "outputmodes", null, null); appendOutputModes(description, outs, context, identifier()); appendStaticUI(description, staticUI, context, identifier()); Element dynamic = current.describe( this, description, root, context, identifier()); if (dynamic != null) { ui.appendChild(dynamic); } ui.appendChild(staticUI); root.appendChild(name); root.appendChild(ui); root.appendChild(outs); return description; } protected static void appendBackgroundActivity( ElementCreator cr, Element root, CallContext context ) { Element inBackground = cr.create("background-processing"); root.appendChild(inBackground); cr.addAttr( inBackground, "value", String.valueOf(context.isInBackground()), true); } /** * Append output mode nodes to a document. */ protected void appendOutputModes( Document doc, Element outs, CallContext context, String uuid) { List<String> stateIds = getPreviousStateIds(); XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator( doc, ArtifactNamespaceContext.NAMESPACE_URI, ArtifactNamespaceContext.NAMESPACE_PREFIX); FLYSContext flysContext = FLYSUtils.getFlysContext(context); StateEngine engine = (StateEngine) flysContext.get( FLYSContext.STATE_ENGINE_KEY); for (String stateId: stateIds) { logger.debug("Append output modes for state: " + stateId); DefaultState state = (DefaultState) engine.getState(stateId); List<Output> list = state.getOutputs(); if (list == null || list.size() == 0) { logger.debug("-> No output modes for this state."); continue; } List<Facet> fs = facets.get(stateId); if (fs == null || fs.size() == 0) { logger.debug("No facets for previous state found."); continue; } logger.debug("Found " + fs.size() + " facets in previous states."); List<Output> generated = generateOutputs(list, fs); ProtocolUtils.appendOutputModes(doc, outs, generated); } try { DefaultState cur = (DefaultState) getCurrentState(context); List<Output> list = cur.getOutputs(); if (list != null && list.size() > 0) { logger.debug( "Append output modes for current state: " + cur.getID()); List<Facet> fs = facets.get(cur.getID()); if (fs != null && fs.size() > 0) { List<Output> generated = generateOutputs(list, fs); logger.debug("Found " + fs.size() + " current facets."); if (!generated.isEmpty()) { ProtocolUtils.appendOutputModes( doc, outs, generated); } } else { logger.debug("No facets found for the current state."); } } } catch (IllegalArgumentException iae) { // state is not valid, so we do not append its outputs. } } /** * This method appends the static data - that has already been inserted by * the user - to the static node of the DESCRIBE document. * * @param doc The document. * @param ui The root node. * @param context The CallContext. * @param uuid The identifier of the artifact. */ protected void appendStaticUI( Document doc, Node ui, CallContext context, String uuid) { List<String> stateIds = getPreviousStateIds(); logger.debug("previous states: " + stateIds); FLYSContext flysContext = FLYSUtils.getFlysContext(context); StateEngine engine = (StateEngine) flysContext.get( FLYSContext.STATE_ENGINE_KEY); for (String stateId: stateIds) { logger.debug("Append static data for state: " + stateId); DefaultState state = (DefaultState) engine.getState(stateId); ui.appendChild(state.describeStatic(this, doc, ui, context, uuid)); } } public static class ChartState extends DefaultState { public static final String FIELD_MODE = "chart_type"; public static final String DURATION_CURVE = "chart.new.durationcurve"; public static final String COMPUTED_DISCHARGE_CURVE = "chart.new.computeddischargecurve"; public static final String DISCHARGE_LONGITUDINAL_CURVE = "chart.new.longitudinal_section"; public static final String W_DIFFERENCES = "chart.new.w_differences"; public static final String WATERLEVEL = "chart.new.crosssection"; public static final String[] CHARTS = { COMPUTED_DISCHARGE_CURVE, DURATION_CURVE, DISCHARGE_LONGITUDINAL_CURVE, W_DIFFERENCES, WATERLEVEL }; @Override public Object computeAdvance( FLYSArtifact artifact, String hash, CallContext context, List<Facet> facets, Object old) { logger.debug("ChartState.computeAdvance"); return null; } @Override protected Element[] createItems( XMLUtils.ElementCreator cr, Artifact artifact, String name, CallContext context) { CallMeta meta = context.getMeta(); Element[] charts = new Element[CHARTS.length]; int i = 0; for (String chart: CHARTS) { charts[i++] = createItem( cr, new String[] { Resources.getMsg(meta, chart, chart), chart }); } return charts; } } }