teichmann@5863: /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
teichmann@5863:  * Software engineering by Intevation GmbH
teichmann@5863:  *
teichmann@5994:  * This file is Free Software under the GNU AGPL (>=v3)
teichmann@5863:  * and comes with ABSOLUTELY NO WARRANTY! Check out the
teichmann@5994:  * documentation coming with Dive4Elements River for details.
teichmann@5863:  */
teichmann@5863: 
teichmann@5831: package org.dive4elements.river.artifacts.states;
ingo@927: 
ingo@927: import org.apache.log4j.Logger;
gernotbelger@9277: import org.dive4elements.artifactdatabase.data.StateData;
teichmann@5831: import org.dive4elements.artifacts.Artifact;
teichmann@5831: import org.dive4elements.artifacts.CallContext;
teichmann@5831: import org.dive4elements.artifacts.common.utils.XMLUtils;
gernotbelger@9277: import org.dive4elements.river.artifacts.D4EArtifact;
gernotbelger@9277: import org.w3c.dom.Element;
ingo@927: 
ingo@927: /**
ingo@927:  * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
ingo@927:  */
ingo@927: public class WaterlevelGroundDifferences extends RangeState {
ingo@927: 
gernotbelger@9277:     public static final String LOWER_FIELD = "diff_from";
gernotbelger@9277:     public static final String UPPER_FIELD = "diff_to";
gernotbelger@9277:     public static final String DIFF_FIELD = "diff_diff";
ingo@927: 
ingo@927:     public static final double DEFAULT_STEP = 0d;
ingo@927: 
gernotbelger@9277:     private static Logger log = Logger.getLogger(WaterlevelGroundDifferences.class);
ingo@927: 
ingo@927:     protected String getLowerField() {
ingo@927:         return LOWER_FIELD;
ingo@927:     }
ingo@927: 
ingo@927:     protected String getUpperField() {
ingo@927:         return UPPER_FIELD;
ingo@927:     }
ingo@927: 
ingo@927:     protected String getStepField() {
ingo@927:         return DIFF_FIELD;
ingo@927:     }
ingo@927: 
ingo@927:     @Override
gernotbelger@9277:     protected double[] getMinMax(final Artifact artifact) {
ingo@927:         return new double[] { -Double.MAX_VALUE, Double.MAX_VALUE };
ingo@927:     }
ingo@927: 
ingo@927:     @Override
ingo@927:     protected String getUIProvider() {
ingo@928:         return "waterlevel_ground_panel";
ingo@927:     }
ingo@927: 
ingo@927:     protected double getDefaultStep() {
ingo@927:         return DEFAULT_STEP;
ingo@927:     }
ingo@927: 
ingo@927:     @Override
gernotbelger@9277:     protected Element[] createItems(final XMLUtils.ElementCreator cr, final Artifact artifact, final String name, final CallContext context) {
gernotbelger@9277:         final double[] minmax = getMinMax(artifact);
ingo@927: 
ingo@927:         double minVal = Double.MIN_VALUE;
ingo@927:         double maxVal = Double.MAX_VALUE;
ingo@927: 
ingo@927:         if (minmax != null) {
ingo@927:             minVal = minmax[0];
ingo@927:             maxVal = minmax[1];
gernotbelger@9277:         } else {
teichmann@8202:             log.warn("Could not read min/max distance values!");
ingo@927:         }
ingo@927: 
ingo@927:         if (name.equals(LOWER_FIELD)) {
gernotbelger@9277:             final Element min = createItem(cr, new String[] { "min", new Double(minVal).toString() });
ingo@927: 
ingo@927:             return new Element[] { min };
gernotbelger@9277:         } else if (name.equals(UPPER_FIELD)) {
gernotbelger@9277:             final Element max = createItem(cr, new String[] { "max", new Double(maxVal).toString() });
ingo@927: 
ingo@927:             return new Element[] { max };
gernotbelger@9277:         } else {
gernotbelger@9277:             final Element step = createItem(cr, new String[] { "step", String.valueOf(getDefaultStep()) });
ingo@927:             return new Element[] { step };
ingo@927:         }
ingo@927:     }
ingo@927: 
gernotbelger@9277:     // ist mit super identisch!
gernotbelger@9277:     // protected Element createItem(XMLUtils.ElementCreator cr, Object obj) {
gernotbelger@9277:     // Element item = ProtocolUtils.createArtNode(cr, "item", null, null);
gernotbelger@9277:     // Element label = ProtocolUtils.createArtNode(cr, "label", null, null);
gernotbelger@9277:     // Element value = ProtocolUtils.createArtNode(cr, "value", null, null);
gernotbelger@9277:     //
gernotbelger@9277:     // String[] arr = (String[]) obj;
gernotbelger@9277:     //
gernotbelger@9277:     // label.setTextContent(arr[0]);
gernotbelger@9277:     // value.setTextContent(arr[1]);
gernotbelger@9277:     //
gernotbelger@9277:     // item.appendChild(label);
gernotbelger@9277:     // item.appendChild(value);
gernotbelger@9277:     //
gernotbelger@9277:     // return item;
gernotbelger@9277:     // }
felix@4865: 
felix@4865:     @Override
gernotbelger@9277:     public boolean validate(final Artifact artifact) throws IllegalArgumentException {
gernotbelger@9277:         final D4EArtifact flys = (D4EArtifact) artifact;
felix@4865: 
gernotbelger@9277:         final StateData dFrom = getData(flys, getLowerField());
gernotbelger@9277:         final StateData dTo = getData(flys, getUpperField());
gernotbelger@9277:         final StateData dStep = getData(flys, getStepField());
felix@4865: 
gernotbelger@9277:         final String fromStr = dFrom != null ? (String) dFrom.getValue() : null;
gernotbelger@9277:         final String toStr = dTo != null ? (String) dTo.getValue() : null;
gernotbelger@9277:         final String stepStr = dStep != null ? (String) dStep.getValue() : null;
felix@4865: 
felix@4865:         if (fromStr == null || toStr == null || stepStr == null) {
felix@4865:             throw new IllegalArgumentException("error_empty_state");
felix@4865:         }
felix@4865: 
felix@4865:         try {
gernotbelger@9277:             final double from = Double.parseDouble(fromStr);
gernotbelger@9277:             final double to = Double.parseDouble(toStr);
gernotbelger@9277:             final double step = Double.parseDouble(stepStr);
felix@4865: 
gernotbelger@9277:             final double[] minmax = getMinMax(flys);
felix@4865: 
felix@4865:             return validateBounds(minmax[0], minmax[1], from, to, step);
felix@4865:         }
gernotbelger@9277:         catch (final NumberFormatException nfe) {
felix@4865:             throw new IllegalArgumentException("error_invalid_double_value");
felix@4865:         }
felix@4865:     }
teichmann@7736: 
teichmann@7736:     @Override
gernotbelger@9277:     protected boolean validateBounds(final double fromValid, final double toValid, final double from, final double to) throws IllegalArgumentException {
teichmann@7736:         if (to < 0d) {
gernotbelger@9277:             log.error("Invalid 'to' " + to + " is lesser than zero.");
teichmann@7736:             throw new IllegalArgumentException("error_feed_from_out_of_range");
teichmann@7736:         }
teichmann@7736:         return super.validateBounds(fromValid, toValid, from, to);
teichmann@7736:     }
ingo@927: }
ingo@927: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :