java音乐播放器-乐乐音乐播放器详解编程语言

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EnterProgram.java ~ 2KB         

package com.happy.enterProgram; 
 
import java.awt.Font; 
import java.util.Enumeration; 
 
import javax.swing.SwingUtilities; 
import javax.swing.SwingWorker; 
import javax.swing.UIManager; 
import javax.swing.UnsupportedLookAndFeelException; 
import javax.swing.plaf.FontUIResource; 
 
import com.happy.common.Constants; 
import com.happy.manage.MediaManage; 
import com.happy.service.MediaPlayerService; 
import com.happy.ui.MainFrame; 
import com.happy.ui.SplashFrame; 
import com.happy.util.DataUtil; 
import com.happy.util.FontsUtil; 
 
public class EnterProgram { 
	/** 
	 * 应用启动窗口 
	 */ 
	private static SplashFrame splashFrame; 
	/** 
	 * 主窗口 
	 */ 
	private static MainFrame mainFrame; 
 
	/** 
	 * 程序入口 
	 *  
	 * @throws UnsupportedLookAndFeelException 
	 * @throws IllegalAccessException 
	 * @throws InstantiationException 
	 * @throws ClassNotFoundException 
	 *  
	 */ 
	public static void main(String[] args) throws ClassNotFoundException, 
			InstantiationException, IllegalAccessException, 
			UnsupportedLookAndFeelException { 
		UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName()); 
 
		SwingUtilities.invokeLater(new Runnable() { 
			public void run() { 
				splashFrame = new SplashFrame(); 
				splashFrame.setVisible(true); 
 
				init(); 
			} 
		}); 
 
	} 
 
	protected static void init() { 
 
		new SwingWorker<Void, Void>() { 
			@Override 
			protected Void doInBackground() { 
 
				initGlobalFont(FontsUtil.getBaseFont(Constants.APPFONTSIZE)); 
				// 先初始化数据 
				DataUtil.init(); 
				// 初始化播放列表数据 
				MediaManage.getMediaManage().initPlayListData(); 
				// 初始化播放器服务 
				MediaPlayerService.getMediaPlayerService().init(); 
				SwingUtilities.invokeLater(new Runnable() { 
					public void run() { 
						mainFrame = new MainFrame(); 
						splashFrame.setVisible(false); 
						mainFrame.setVisible(true); 
					} 
				}); 
 
				return null; 
 
			} 
 
			@Override 
			protected void done() { 
			} 
		}.execute(); 
 
	} 
 
	/** 
	 * 统一设置字体，父界面设置之后，所有由父界面进入的子界面都不需要再次设置字体 
	 */ 
	private static void initGlobalFont(Font font) { 
		FontUIResource fontRes = new FontUIResource(font); 
		for (Enumeration<Object> keys = UIManager.getDefaults().keys(); keys 
				.hasMoreElements();) { 
			Object key = keys.nextElement(); 
			Object value = UIManager.get(key); 
			if (value instanceof FontUIResource) { 
				UIManager.put(key, fontRes); 
			} 
		} 
	} 
}