import java.io.BufferedReader;

import java.io.BufferedWriter;

import java.io.File;

import java.io.FileNotFoundException;

import java.io.FileReader;

import java.io.FileWriter;

import java.io.IOException;

import java.util.ArrayList;

import java.util.Iterator;

import java.util.List;

public class JDGUIRemarkRemover {

	private int counter = 0;

	public JDGUIRemarkRemover() {

	};

	public static void main(String[] args) {

		String filePath = "";  //放待处理的文件路径或者文件夹路径

		JDGUIRemarkRemover jdGUIRemarkRemover = new JDGUIRemarkRemover();

		if (jdGUIRemarkRemover.process(filePath)) {

			System.out.println("处理java文件 " + jdGUIRemarkRemover.getCounter() + "个!");

		} else {

			System.err.println("处理失败！");

		}

	}

	private boolean process(String s) {

		File f = new File(s);

		if (!f.exists()) {

			return false;

		}

		if (f.isFile()) {

			try {

				erase(f);

			} catch (RuntimeException ex) {

				System.err.println(ex.getMessage());

			}

		} else if (f.isDirectory()) {

			String[] fs = f.list();

			for (String sr : fs) {

				sr = f.getAbsolutePath() + File.separator + sr;

				process(sr);

			}

		} else {

			System.out.println("参数错误!");

		}

		return true;

	}

	private void erase(File f) throws RuntimeException {

		List<String> tmp = new ArrayList<String>();

		String name = f.getName();

		String path = f.getParent() + File.separator;

		BufferedReader br = null;

		if (!name.endsWith(".java")) {

			throw new RuntimeException("不是JAVA文件 : " + name);

		}

		System.out.println("处理文件[" + (path + name) + "]");

		try {

			br = new BufferedReader(new FileReader(f));

			String s = null;

			while ((s = br.readLine()) != null) {

				tmp.add(s);

			}

			br.close();

		} catch (FileNotFoundException e) {

			e.printStackTrace();

		} catch (IOException e) {

			e.printStackTrace();

		}

		f.delete();

		File copy = new File(path + name);

		BufferedWriter bw = null;

		try {

			copy.createNewFile();

			bw = new BufferedWriter(new FileWriter(copy, true));

			for (Iterator<String> itr = tmp.iterator(); itr.hasNext();) {

				String s = itr.next();

				if (s.contains("Location:") || s.contains("Qualified Name:")

						|| s.contains("JD-Core Version:")) {

					counter++;

					return;

				}

				int begin = s.indexOf("/*");

				int end = s.indexOf("*/");

				if (end != -1 && begin != -1) {

					s = s.substring(end - begin + 3, s.length());

				}

				bw.write(s + "\n");

				bw.flush();

			}

		} catch (IOException e) {

			e.printStackTrace();

		}

		counter++;

	}

	private int getCounter() {

		return counter;

	}

}