Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/WQKmsInterpolArtifact.java @ 2102:16e74c5e636f
Cosmetics.
flys-artifacts/trunk@3659 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
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date | Thu, 12 Jan 2012 12:20:56 +0000 |
parents | f07d64d5cbe1 |
children | e8fc770d2f8c |
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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.artifactdatabase.state.Facet; import de.intevation.artifactdatabase.state.DefaultOutput; import de.intevation.artifactdatabase.state.State; import de.intevation.artifacts.Artifact; import de.intevation.artifacts.ArtifactFactory; import de.intevation.artifacts.ArtifactNamespaceContext; import de.intevation.artifacts.CallMeta; import de.intevation.flys.artifacts.model.FacetTypes; import de.intevation.flys.artifacts.model.WQKms; import de.intevation.flys.artifacts.model.WQFacet; import de.intevation.flys.artifacts.model.WKmsFactory; import de.intevation.flys.artifacts.model.WQKmsFactory; import de.intevation.flys.artifacts.model.WstValueTable; import de.intevation.flys.artifacts.model.WstValueTableFactory; import de.intevation.flys.artifacts.states.StaticState; import de.intevation.flys.artifacts.resources.Resources; import de.intevation.artifacts.common.utils.XMLUtils; /** * Artifact to access additional "waterlevel/discharge"-type of data, like * fixation measurements, but doing so with costy interpolation. * * This artifact neglects (Static)FLYSArtifacts capabilities of interaction * with the StateEngine by overriding the getState*-methods. */ public class WQKmsInterpolArtifact extends StaticFLYSArtifact implements FacetTypes { /** The logger for this class. */ private static Logger logger = Logger.getLogger(WQKmsInterpolArtifact.class); /** XPath to access initial parameter. */ public static final String XPATH_DATA = "/art:action/art:ids/@value"; public static final String STATIC_STATE_NAME = "state.additional_wqkms.interpol.static"; /** One and only state to be in. */ protected transient State state = null; /** * Trivial Constructor. */ public WQKmsInterpolArtifact() { logger.debug("WQKmsInterpolArtifact.WQKmsInterpolArtifact"); } /** * Gets called from factory, to set things up. */ @Override public void setup( String identifier, ArtifactFactory factory, Object context, CallMeta callMeta, Document data) { logger.debug("WQKmsInterpolArtifact.setup"); state = new StaticState(STATIC_STATE_NAME); List<Facet> fs = new ArrayList<Facet>(); String code = XMLUtils.xpathString( data, XPATH_DATA, ArtifactNamespaceContext.INSTANCE); // TODO Go for JSON, one day. //ex.: flood_protection-wstv-114-12 if (code != null) { String [] parts = code.split("-"); if (parts.length >= 4) { int wst = Integer.valueOf(parts[3]); int col = -1; String colpos = parts[2]; // Are we interested in a single column or in all columns? if (colpos.equals("A")) { ; // Take all. } else { col = Integer.valueOf(colpos); addStringData("col_pos", parts[2]); } addStringData("wst_id", parts[3]); String wkmsName = (col > 0) ? WKmsFactory.getWKmsName(col, wst) : WKmsFactory.getWKmsName(wst); String name; if (parts[0].startsWith("height")){ name = STATIC_WQ_ANNOTATIONS; } else if (parts[0].startsWith("flood")) { name = STATIC_WKMS_INTERPOL; } else { name = STATIC_WQ; } Facet facet = new WQFacet(name, Resources.getMsg( callMeta, wkmsName, wkmsName)); fs.add(facet); facets.put(state.getID(), fs); } } spawnState(); super.setup(identifier, factory, context, callMeta, data); } /** * Initialize the static state with output. * @return static state */ protected State spawnState() { state = new StaticState(STATIC_STATE_NAME); List<Facet> fs = facets.get(STATIC_STATE_NAME); DefaultOutput output = new DefaultOutput( "general", "general", "image/png", fs, "chart"); state.getOutputs().add(output); return state; } /** * Called via setup. * * @param artifact The master-artifact. */ @Override protected void initialize( Artifact artifact, Object context, CallMeta meta) { logger.debug("WQKmsInterpolArtifact.initialize"); WINFOArtifact winfo = (WINFOArtifact) artifact; importData(winfo, "river"); importData(winfo, "ld_locations"); } /** * 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(getState()); return states; } /** * Get WQ at a given km. */ public double [][] getWQAtKm(double km) { WstValueTable interpolator = null; // Get WstValueTable if (getDataAsString("col_pos") != null) { interpolator = WstValueTableFactory.getWstColumnTable( getDataAsInt("wst_id"), getDataAsInt("col_pos")); } else { interpolator = WstValueTableFactory.getTable( getDataAsInt("wst_id")); } double [][] vs = interpolator.interpolateWQColumnwise( getDataAsDouble("ld_locations")); for (int x = 0; x < vs[1].length; x++) { logger.debug("getWQAtKm: Q/W " + vs[0][x] + " / " + vs[1][x]); } return vs; } /** * Get a DataItem casted to int (0 if fails). */ public int getDataAsInt(String dataName) { String val = getDataAsString(dataName); try { return Integer.valueOf(val); } catch (NumberFormatException e) { logger.warn("Could not get data " + dataName + " as int", e); return 0; } } /** * Get a DataItem casted to double (0 if fails). */ public double getDataAsDouble(String dataName) { String val = getDataAsString(dataName); try { return Double.valueOf(val); } catch (NumberFormatException e) { logger.warn("Could not get data " + dataName + " as double", e); return 0; } } /** * Get the "current" state (there is but one). * @param cc ignored. * @return the "current" (only possible) state. */ @Override public State getCurrentState(Object cc) { return getState(); } /** * Get the only possible state. * @return the state. */ protected State getState() { return getState(null, null); } /** * Get the state. * @param context ignored. * @param stateID ignored. * @return the state. */ @Override protected State getState(Object context, String stateID) { return (state != null) ? state : spawnState(); } /** * Get WQKms from factory. * @param TODO idx param is not needed * @return WQKms according to parameterization (can be null); */ public WQKms getWQKms(int idx) { logger.debug("WQKmsInterpolArtifact.getWQKms"); logger.warn("Stub, getWQKms not yet implemented."); return WQKmsFactory.getWQKms( Integer.valueOf(getDataAsString("col_pos")), Integer.valueOf(getDataAsString("wst_id"))); } /** * Determines Facets initial disposition regarding activity (think of * selection in Client ThemeList GUI). This will be checked one time * when the facet enters a collections describe document. * * @param facetName name of the facet. * @param index index of the facet. * * @return Always 0. Static Data will enter plots inactive. */ @Override public int getInitialFacetActivity( String outputName, String facetName, int index) { return 0; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :