import java.io.*;
import java.util.*;
import java.util.jar.*;

public class Test {
	
	public static void main(String[] args) {

		final String PATH = "c:\\eclipse-SDK-20020620-win32\\eclipse\\workspace\\test\\";
		final int INITIAL_CAPACITY = 10000;
		final int FILES = 50;
		final int DECLARATIONS_PER_FILE = 2000;			
			
		try {		
			File[] files = new File(PATH).listFiles(new FilenameFilter() {
				public boolean accept(File dir, String name) {
					return name != null && name.trim().endsWith(".jar");
				}				
			});		
			
			List list = new ArrayList(INITIAL_CAPACITY);			
			JarFile jarFile;
			Enumeration e;
			Object o;
			JarEntry jarEntry;
			String name;
			
			for (int i = 0, l = files.length; i < l; i++) {
				jarFile = new JarFile(files[i]);			
				e = jarFile.entries();
				
				while (e.hasMoreElements()) {
					o = e.nextElement();				
					
					if (o instanceof JarEntry) {
						jarEntry = (JarEntry) o;
						name = jarEntry.getName();
						
						if (name != null) {
							name = name.trim();
							
							if (name.endsWith(".class") && name.indexOf("$") == -1) {
								list.add(name.substring(0, name.length() - 6).replace('/', '.'));					
							}
						}
					}
				}
			}

			int size = list.size();

			for (int i = 0; i < FILES; i++) {
				BufferedWriter writer = new BufferedWriter(new FileWriter(PATH + "Output" + i + ".java"));

				writer.write("public class Output" + i + " {");
				writer.newLine();
				writer.newLine();

				for (int j = 0; j < DECLARATIONS_PER_FILE; j++) {
					writer.write("\t" + list.get((int) (Math.random() * size)) + " _" + j + ";");
					writer.newLine();						
				}		
			
				writer.write("}");
				writer.newLine();	
				writer.flush();
				writer.close();	
			}
		} catch (IOException eIO) {
		}
	}
}