/* 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.exports.process;

import org.apache.log4j.Logger;
import org.jfree.data.xy.XYSeries;

import org.dive4elements.artifactdatabase.state.ArtifactAndFacet;
import org.dive4elements.artifacts.CallContext;
import org.dive4elements.river.artifacts.model.FacetTypes;
import org.dive4elements.river.artifacts.model.WKms;
import org.dive4elements.river.artifacts.model.WQKms;

import org.dive4elements.river.exports.StyledSeriesBuilder;
import org.dive4elements.river.exports.XYChartGenerator;
import org.dive4elements.river.exports.DiagramGenerator;
import org.dive4elements.river.jfree.StyledXYSeries;
import org.dive4elements.river.themes.ThemeDocument;
import org.dive4elements.river.utils.DataUtil;

/**
 * Add data to chart/generator.
 *
 * @author <a href="mailto:bjoern.ricks@intevation.de">Björn Ricks</a>
 */
public class QOutProcessor extends DefaultProcessor {

    public static final String I18N_LONGITUDINAL_LABEL =
        "chart.longitudinal.section.yaxis.second.label";

    public static final String
        I18N_LONGITUDINAL_LABEL_DEFAULT = "Q [m\u00b3/s]";

    /** Private logger. */
    private static final Logger logger =
            Logger.getLogger(QOutProcessor.class);

    @Override
    public void doOut(
            DiagramGenerator generator,
            ArtifactAndFacet bundle,
            ThemeDocument    theme,
            boolean          visible) {
        CallContext context = generator.getCallContext();
        WQKms wqkms = (WQKms) bundle.getData(context);

        XYSeries series = new StyledXYSeries(bundle.getFacetDescription(), theme);

        StyledSeriesBuilder.addStepPointsKmQ(series, wqkms);

        generator.addAxisSeries(series, axisName, visible);

        /* Check if the diagram should be inverted*/
        generator.setInverted(wqkms.guessRTLData());
    }

    @Override
    public void doOut(
            XYChartGenerator generator,
            ArtifactAndFacet bundle,
            ThemeDocument    theme,
            boolean          visible,
            int              index)
    {
        CallContext context = generator.getCallContext();
        WQKms wqkms = (WQKms) bundle.getData(context);

        XYSeries series = new StyledXYSeries(bundle.getFacetDescription(), theme);

        StyledSeriesBuilder.addStepPointsKmQ(series, wqkms);

        generator.addAxisSeries(series, index, visible);

        /* Check if the diagram should be inverted*/
        generator.setInverted(wqkms.guessRTLData());
    }

    @Override
    public String getAxisLabel(DiagramGenerator generator) {
        if (generator.getOutName().startsWith("longitudinal_section")) {
            return generator.msg(I18N_LONGITUDINAL_LABEL,
                    I18N_LONGITUDINAL_LABEL_DEFAULT);
        }
        return "Please overwrite me in the implementation";
    }

    /**
     * Returns true if facettype is q-type.
     */
    @Override
    public boolean canHandle(String facetType) {
        if (facetType == null) {
            return false;
        }

        if (facetType.equals(FacetTypes.STATIC_WQKMS_Q)
            || facetType.equals(FacetTypes.LONGITUDINAL_Q)
            || facetType.equals(FacetTypes.DISCHARGE_LONGITUDINAL_Q)) {
            return true;
        }
        return false;
    }
}
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