org.kalypso.model.wspm.tuhh.schema.simulation.ResultLSTinSldFile.java Source code

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Here is the source code for org.kalypso.model.wspm.tuhh.schema.simulation.ResultLSTinSldFile.java

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/*----------------    FILE HEADER KALYPSO ------------------------------------------
 *
 *  This file is part of kalypso.
 *  Copyright (C) 2004 by:
 * 
 *  Technical University Hamburg-Harburg (TUHH)
 *  Institute of River and coastal engineering
 *  Denickestrae 22
 *  21073 Hamburg, Germany
 *  http://www.tuhh.de/wb
 * 
 *  and
 *  
 *  Bjoernsen Consulting Engineers (BCE)
 *  Maria Trost 3
 *  56070 Koblenz, Germany
 *  http://www.bjoernsen.de
 * 
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 * 
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 * 
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 * 
 *  Contact:
 * 
 *  E-Mail:
 *  belger@bjoernsen.de
 *  schlienger@bjoernsen.de
 *  v.doemming@tuhh.de
 *   
 *  ---------------------------------------------------------------------------*/
package org.kalypso.model.wspm.tuhh.schema.simulation;

import java.awt.Color;
import java.io.File;
import java.io.IOException;
import java.math.BigDecimal;
import java.net.URL;
import java.util.List;

import org.apache.commons.io.FileUtils;
import org.apache.commons.lang3.Range;
import org.kalypso.contribs.java.awt.ColorUtilities;
import org.kalypso.gmlschema.GMLSchemaException;
import org.kalypso.model.wspm.tuhh.core.results.processing.AbstractResultLSFile;
import org.kalypso.model.wspm.tuhh.schema.i18n.Messages;
import org.kalypsodeegree.graphics.sld.FeatureTypeStyle;
import org.kalypsodeegree.graphics.sld.PolygonColorMapEntry;
import org.kalypsodeegree.graphics.sld.PolygonSymbolizerUtils;
import org.kalypsodeegree.graphics.sld.Rule;
import org.kalypsodeegree.graphics.sld.SurfacePolygonSymbolizer;
import org.kalypsodeegree.model.geometry.GM_Exception;
import org.kalypsodeegree.xml.XMLParsingException;
import org.kalypsodeegree_impl.graphics.sld.PolygonColorMap;
import org.kalypsodeegree_impl.graphics.sld.SLDFactory;
import org.kalypsodeegree_impl.graphics.sld.StyleFactory;
import org.xml.sax.SAXException;

/**
 * @author Gernot Belger
 */
public class ResultLSTinSldFile extends AbstractResultLSFile {
    private final BreakLinesWriter m_breakLines;

    public ResultLSTinSldFile(final File outDir, final String runoffName, final BreakLinesWriter breakLines) {
        super(outDir, runoffName);

        m_breakLines = breakLines;
    }

    /**
     * @see org.kalypso.model.wspm.tuhh.schema.simulation.IResultLSFile#getTitle()
     */
    @Override
    public String getTitle() {
        return Messages.getString("ResultLSTinSldFile_0"); //$NON-NLS-1$
    }

    /**
     * @see org.kalypso.model.wspm.tuhh.schema.simulation.IResultLSFile#getFilename()
     */
    @Override
    public String getFilename() {
        return "wspTin" + getRunoffName() + ".sld"; //$NON-NLS-1$ //$NON-NLS-2$
    }

    /**
     * @see org.kalypso.model.wspm.tuhh.schema.simulation.IResultLSFile#getResultID()
     */
    @Override
    public String getResultID() {
        return "WspTinSld"; //$NON-NLS-1$
    }

    /**
     * @see org.kalypso.model.wspm.tuhh.schema.simulation.AbstractResultLSFile#doWrite(java.io.File)
     */
    @Override
    protected void doWrite(final File outputFile)
            throws IOException, XMLParsingException, SAXException, GMLSchemaException, GM_Exception {
        final Range<Double> range = m_breakLines.getRange();
        if (range == null)
            return;

        /* Fetch template polygon symbolizer */
        final URL wspSldLocation = getClass().getResource("resources/WspTin.sld"); //$NON-NLS-1$
        final FeatureTypeStyle wspStyle = SLDFactory.createFeatureTypeStyle(null, wspSldLocation);
        final Rule[] rules = wspStyle.getRules();
        final SurfacePolygonSymbolizer polySymb = (SurfacePolygonSymbolizer) rules[0].getSymbolizers()[0];
        final PolygonColorMap colorMap = polySymb.getColorMap();

        final BigDecimal stepWidth = new BigDecimal("0.01"); //$NON-NLS-1$
        final BigDecimal minValue = new BigDecimal(range.getMinimum());
        final BigDecimal maxValue = new BigDecimal(range.getMaximum());

        final Color minFill = new Color(0, 255, 0, 128);
        final Color maxFill = new Color(255, 0, 0, 128);
        final Color minStroke = ColorUtilities.createTransparent(minFill, 255);
        final Color maxStroke = ColorUtilities.createTransparent(maxFill, 255);
        final PolygonColorMapEntry fromEntry = StyleFactory.createPolygonColorMapEntry(minFill, minStroke, minValue,
                minValue.add(stepWidth));
        final PolygonColorMapEntry toEntry = StyleFactory.createPolygonColorMapEntry(maxFill, maxStroke,
                maxValue.subtract(stepWidth), maxValue);

        /* Create and replace new color map */
        final List<PolygonColorMapEntry> colorMapEntries = PolygonSymbolizerUtils.createColorMap(fromEntry, toEntry,
                stepWidth, minValue, maxValue, true);
        colorMap.replaceColorMap(colorMapEntries);

        /* Save as tin-sld */
        final String styleAsString = wspStyle.exportAsXML();
        FileUtils.writeStringToFile(outputFile, styleAsString, "UTF-8"); //$NON-NLS-1$
    }
}