fontresourcehandler.java

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/*
 * Created on Feb 27, 2005
 */
package org.flexdock.plaf.resources;

import java.awt.Font;
import java.util.StringTokenizer;

import javax.swing.UIManager;
import javax.swing.plaf.FontUIResource;

/**
 * @author Christopher Butler
 */
public class FontResourceHandler extends ResourceHandler {
	public static final String BASE_FONT_KEY = "Panel.font";
	
	public Object getResource(String fontData) {
		if(fontData==null)
			return null;
		
		String name = null;
		int style = -1;
		int size = -1;
		
		if(!fontData.endsWith(","))
			fontData += ",";
		
		StringTokenizer st = new StringTokenizer(fontData, ",");
		for(int i=0; st.hasMoreTokens(); i++) {
			switch(i) {
			case 0:
				name = getFontName(st.nextToken());
				break;
			case 1:
				style = getInt(st.nextToken(), Font.PLAIN);
				break;
			case 2:
				size = getInt(st.nextToken(), 10);
				break;
			}
		}
	
		FontUIResource defaultFont = (FontUIResource)UIManager.getDefaults().getFont(BASE_FONT_KEY);
		if(name==null)
			name = defaultFont.getName();
		if(style==-1)
			style = defaultFont.getStyle();
		if(size==-1)
			size = defaultFont.getSize();
		
		return new FontUIResource(name, style, size);
		
	}

	private String getFontName(String data) {
		data = data==null? null: data.trim();
		return data==null || data.length()==0? null: data;
	}
	
	private int getInt(String data, int defaultValue) {
		data = data==null? "": data.trim();
		try {
			return Integer.parseInt(data);
		} catch(NumberFormatException e) {
			return defaultValue;
		}
	}
}