org.kalypso.model.wspm.pdb.wspm.CheckoutRoughnessUpdater.java Source code

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Here is the source code for org.kalypso.model.wspm.pdb.wspm.CheckoutRoughnessUpdater.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.pdb.wspm;

import java.awt.Color;
import java.math.BigDecimal;

import org.apache.commons.lang3.ObjectUtils;
import org.apache.commons.lang3.StringUtils;
import org.eclipse.swt.graphics.RGB;
import org.kalypso.model.wspm.core.gml.classifications.IRoughnessClass;
import org.kalypso.model.wspm.pdb.db.mapping.Roughness;

/**
 * @author Gernot Belger
 */
public class CheckoutRoughnessUpdater {
    private final Roughness m_roughness;

    private final IRoughnessClass m_roughnessClass;

    private boolean m_changed = false;

    public CheckoutRoughnessUpdater(final Roughness roughness, final IRoughnessClass roughnessClass) {
        m_roughness = roughness;
        m_roughnessClass = roughnessClass;
    }

    public boolean update() {
        updateDescription();
        updateKst();
        updateKs();
        updateComment();
        updateColor();

        // TODO: we have no equivalent for the following properties
        // roughness.getSource();
        // roughness.getValidity();

        return m_changed;
    }

    private void updateDescription() {
        final String description = m_roughness.getLabel();
        final String oldDescription = m_roughnessClass.getDescription();
        if (ObjectUtils.equals(description, oldDescription))
            return;

        m_roughnessClass.setDescription(description);
        m_changed = true;
    }

    private void updateKst() {
        final BigDecimal kst = m_roughness.getKstValue();
        final BigDecimal oldKst = m_roughnessClass.getKstValue();
        if (ObjectUtils.equals(kst, oldKst))
            return;

        m_roughnessClass.setKstValue(kst);
        m_changed = true;
    }

    private void updateKs() {
        final BigDecimal ks = m_roughness.getKValue();
        final BigDecimal oldKs = m_roughnessClass.getKsValue();
        if (ObjectUtils.equals(ks, oldKs))
            return;

        m_roughnessClass.setKsValue(ks);
        m_changed = true;
    }

    private void updateComment() {
        final String comment = m_roughness.getDescription();
        final String oldComment = m_roughnessClass.getComment();
        if (ObjectUtils.equals(comment, oldComment))
            return;

        m_roughnessClass.setComment(comment);
        m_changed = true;
    }

    private void updateColor() {
        final String colorAsString = m_roughness.getColor();
        if (StringUtils.isEmpty(colorAsString))
            return;
        final Color color = Color.decode(colorAsString);
        final RGB oldRGB = m_roughnessClass.getColor();
        final Color oldColor = new Color(oldRGB.red, oldRGB.green, oldRGB.blue);
        if (ObjectUtils.equals(color, oldColor))
            return;

        final RGB newRGB = new RGB(color.getRed(), color.getGreen(), color.getBlue());
        m_roughnessClass.setColor(newRGB);
        m_changed = true;
    }
}