단순 통계 코드 행수

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStreamReader;


/**
 * File: Counter.java
 * User: z3y2
 * Date: 2010-12-30
 * Time:   04:58:03
 * Copyright: (c) 2010 All Rights Reserved
 */

/**
 * @author z3y2
 */
public class Counter {

	static long l = 0;

	static long fileCount = 0;

	static long nullLineCount = 0;

	static long total = 0;

	/**
	 * @param args
	 * @throws Exception 
	 */
	public static void main(String[] args) throws Exception {

		String path = Counter.class.getResource("/").getPath().substring(1);
		java.io.File classpath = new java.io.File(path);
		String srcpath = classpath.getParentFile().getParentFile().getParentFile().getAbsolutePath();

		if (!srcpath.endsWith(File.separator)) {
			srcpath += File.separator;
		}
		srcpath += "src" + File.separator;

		File srcFile = new File(srcpath);

		readFile(srcFile);

		System.out.println("      :" + fileCount);
		System.out.println("       :" + total + ",        :" + l + ",     :" + nullLineCount);

	}


	static void readFile(File file) throws Exception {
		if (file.isDirectory()) {
			for (File f : file.listFiles()) {
				readFile(f);
			}
		} else if (file.getName().endsWith(".java")) {

			fileCount ++;

			System.out.println("      :" + file.getAbsolutePath()); 

			FileInputStream in = new FileInputStream(file);
			BufferedReader br = new BufferedReader(new InputStreamReader(in));

			for (String line = br.readLine(); line != null; line = br.readLine()) {
				if (line.trim().length() == 0) {
					nullLineCount ++;
				} else {
					l ++;
				}

				total ++;
			}

			in.close();
			br.close();
		}
	}



}