// **********************************************************************// // <copyright>// //  BBN Technologies//  10 Moulton Street//  Cambridge, MA 02138//  (617) 873-8000// //  Copyright (C) BBNT Solutions LLC. All rights reserved.// // </copyright>// **********************************************************************// // $Source:// /cvs/distapps/openmap/src/openmap/com/bbn/openmap/omGraphics/grid/SlopeGeneratorLoader.java,v// $// $RCSfile: ColorGeneratorLoader.java,v $// $Revision: 1.1.2.1 $// $Date: 2005/12/22 18:42:47 $// $Author: dietrick $// // **********************************************************************package com.bbn.openmap.omGraphics.grid;import java.beans.PropertyChangeListener;import java.util.Properties;import com.bbn.openmap.util.ComponentFactory;import com.bbn.openmap.util.Debug;import com.bbn.openmap.util.PropUtils;public class ColorGeneratorLoader extends GeneratorLoader {    public final static String ColorsClassProperty = "colorsClass";    public final static String COLORS_PROPERTY = "COLORS";    public final static String DEFAULT_COLORS_CLASS = "com.bbn.openmap.omGraphics.grid.GreyscaleSlopeColors";    protected ElevationColors colors;    public void setColors(ElevationColors cols) {        ElevationColors oldColors = colors;        colors = cols;        if (oldColors != colors) {            firePropertyChange(COLORS_PROPERTY, oldColors, colors);        }    }    public ElevationColors getColors() {        if (colors == null) {            try {                colors = (ElevationColors) Class.forName(DEFAULT_COLORS_CLASS)                        .newInstance();            } catch (InstantiationException ie) {            } catch (IllegalAccessException iae) {            } catch (ClassNotFoundException cnfe) {            }        }        return colors;    }    public void setProperties(String prefix, Properties props) {        super.setProperties(prefix, props);        prefix = PropUtils.getScopedPropertyPrefix(prefix);        String colorsClassProperty = props.getProperty(prefix                + ColorsClassProperty);        if (colorsClassProperty != null) {            try {                setColors((ElevationColors) ComponentFactory.create(colorsClassProperty));            } catch (ClassCastException cce) {                Debug.output("SlopeGeneratorLoader created a "                        + colorsClassProperty                        + ", but it's not a ElevationColors object");            }        }    }     public void addPropertyChangeListener(PropertyChangeListener pcl) {        super.addPropertyChangeListener(COLORS_PROPERTY, pcl);    }    public void removePropertyChangeListener(PropertyChangeListener pcl) {        super.removePropertyChangeListener(COLORS_PROPERTY, pcl);    }}