import?java.awt.*;
import?java.awt.event.*;
import?java.io.*;

import?com.adobe.acrobat.Viewer;
import?com.adobe.acrobat.ViewerCommand;

public?class?Exerciser?implements?ViewerCommand?{
????private?TextArea?log;
????private?frame?frame;
	private?Viewer?acrobat;

????public?Exerciser（）?{
		log?=?new?TextArea（10?70）;
		frame?=?new?frame（“Faultline?Exerciser“）;
		frame.setLayout（new?BorderLayout（））;
		frame.add（log?BorderLayout.CENTER）;
		frame.setSize（400?400）;
		frame.show（）;
		frame.addWindowListener（new?WindowAdapter（）?{
		????public?void?windowClosing（WindowEvent?e）?{
				System.exit（0）;?
		????}
		}）;
		try?{
			acrobat?=?（new?Viewer（））.openNewWindow（）;
		}?catch?（Exception?x）?{
		????log.append（“Unable?to?create?viewer?\n“）;
		}
????}

????public?void?ls（String?dir）?{
		list（new?File（dir）?“.“）;
????}

????private?void?list（File?cd?String?file）?{
		File?d?=?new?File（cd?file）;
		String?files[]?=?d.list（）;
		for?（int?i?=?0;?i?		????File?f?=?new?File（d?files[i]）;
		????if?（f.isDirectory（））?{
				list（d?files[i]）;
		????}?else?if?（f.isFile（）?&&?f.getName（）.toLowerCase（）.endsWith（“.pdf“））?{
				render（f）;
		????}
		}
????}

????private?void?render（File?f）?{
		try?{
		????System.out.println（“Start?to?render:?“?+?f.getAbsolutePath（））;
		????FileInputStream?fis?=?new?FileInputStream（f）;
		????acrobat.setDocumentInputStream（fis）;
			long?start?=?System.currentTimeMillis（）;
		????for?（int?i?=?0;?i?				try?{
				????acrobat.renderPage（i）;
				}?catch?（Exception?x）?{
				????System.out.println（“Unable?to?render?page:?“?+?i?+?“?of?file?“?+?f.getName（））;
				????x.printStackTrace（）;
				}
		????}
		????long?elapsed?=?System.currentTimeMillis（）?-?start;
		????log.append（“Rendered?（“?+?elapsed?+?“）:?“?+?f.getAbsolutePath（）?+?“\n“）;
		????acrobat.execMenuItem（ViewerCommand.Close_K）;
			fis.close（）;
		}?catch（Exception?x）?{
		????System.out.println（“Unable?to?render?file:?“?+?f.getName（））;
		????log.append（“Unable?to?render:?“?+?f.getAbsolutePath（）?+?“\n“）;
		}
????}

????public?static?void?main（String?args[]）?{
		Exerciser?e?=?new?Exerciser（）;
		e.ls（args[0]）;
????}
}