从jar中读取所有的class

import java.io.IOException;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
/**
 * 从jar中读取所有的class类，包括包名
 * @author lww
 *
 */
public class JarFileTool {

	public static List<String> getClassesFromJar(String path)
			throws IOException {
		List<String> classes = new ArrayList<String>();
		JarFile jar = new JarFile(path);
		Enumeration<JarEntry> files = jar.entries();
		while (files.hasMoreElements()) {
			JarEntry jarEntry = files.nextElement();
			String name = jarEntry.getName();
			if (name.matches("^.*class$"))
				classes.add(name.replaceAll("/", "."));
		}
		return classes;
	}

	public static void main(String[] args) throws IOException {
		String s1 = "d:/bcprov-jdk15on-149.jar";
		for (String s : getClassesFromJar(s1))
			System.out.println(s);
	}
}