package lookandfeel;import javax.swing.plaf.*;import javax.swing.plaf.metal.*;import javax.swing.*;import javax.swing.border.*;import java.awt.*;import java.io.*;import java.util.*;/** * This class allows you to load a theme from a file. * It uses the standard Java Properties file format. * To create a theme you provide a text file which contains * tags corresponding to colors of the theme along with a value * for that color.  For example: * * name=My Ugly Theme * primary1=255,0,0 * primary2=0,255,0 * primary3=0,0,255 * * This class only loads colors from the properties file, * but it could easily be extended to load fonts -  or even icons. * * @version 1.5 04/23/99 * @author Steve Wilson */public class PropertiesMetalTheme extends DefaultMetalTheme {    private String name = "Custom Theme";    private ColorUIResource primary1;    private ColorUIResource primary2;    private ColorUIResource primary3;    private ColorUIResource secondary1;    private ColorUIResource secondary2;    private ColorUIResource secondary3;    private ColorUIResource black;    private ColorUIResource white;    /**      * pass an inputstream pointing to a properties file.      * Colors will be initialized to be the same as the DefaultMetalTheme,      * and then any colors provided in the properties file will override that.      */    public PropertiesMetalTheme( InputStream stream ) {        initColors();        loadProperties(stream);    }    /**      * Initialize all colors to be the same as the DefaultMetalTheme.      */    private void initColors() {        primary1 = super.getPrimary1();        primary2 = super.getPrimary2();        primary3 = super.getPrimary3();        secondary1 = super.getSecondary1();        secondary2 = super.getSecondary2();        secondary3 = super.getSecondary3();	black = super.getBlack();	white = super.getWhite();    }    /**      * Load the theme name and colors from the properties file      * Items not defined in the properties file are ignored      */    private void loadProperties(InputStream stream) {	Properties prop = new Properties();	try {	    prop.load(stream);	} catch (IOException e) {	    System.out.println(e);	}	Object tempName = prop.get("name");	if (tempName != null) {	    name = tempName.toString();	}	Object colorString = null;	colorString = prop.get("primary1");	if (colorString != null){	    primary1 = parseColor(colorString.toString());	}	colorString = prop.get("primary2");	if (colorString != null) {	    primary2 = parseColor(colorString.toString());	}	colorString = prop.get("primary3");	if (colorString != null) {	    primary3 = parseColor(colorString.toString());	}	colorString = prop.get("secondary1");	if (colorString != null) {	    secondary1 = parseColor(colorString.toString());	}	colorString = prop.get("secondary2");	if (colorString != null) {	    secondary2 = parseColor(colorString.toString());	}	colorString = prop.get("secondary3");	if (colorString != null) {	    secondary3 = parseColor(colorString.toString());	}	colorString = prop.get("black");	if (colorString != null) {	    black = parseColor(colorString.toString());	}	colorString = prop.get("white");	if (colorString != null) {	    white = parseColor(colorString.toString());	}    }    public String getName() { return name; }    protected ColorUIResource getPrimary1() { return primary1; }    protected ColorUIResource getPrimary2() { return primary2; }    protected ColorUIResource getPrimary3() { return primary3; }    protected ColorUIResource getSecondary1() { return secondary1; }    protected ColorUIResource getSecondary2() { return secondary2; }    protected ColorUIResource getSecondary3() { return secondary3; }    protected ColorUIResource getBlack() { return black; }    protected ColorUIResource getWhite() { return white; }    /**      * parse a comma delimited list of 3 strings into a Color      */    private ColorUIResource parseColor(String s) {        int red = 0;	int green = 0;	int blue = 0;	try {	    StringTokenizer st = new StringTokenizer(s, ",");	    red = Integer.parseInt(st.nextToken());	    green = Integer.parseInt(st.nextToken());	    blue = Integer.parseInt(st.nextToken());	} catch (Exception e) {	    System.out.println(e);	    System.out.println("Couldn't parse color :" + s);	}	return new ColorUIResource(red, green, blue);    }}