代码行数计数器

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;

public class CodeCounter {
	static int normalLines = 0;
	static int blankLines = 0;
	static int commentLines = 0;
	
	public static void main(String[] args) {
		String codePath = "E:\\eclipse\\MyProjects\\TestGUI\\src";
		File f = new File(codePath);
		File[] fileList = f.listFiles();
		for(File fname : fileList) {
			clac(fname);
		}
		
		System.out.printf("normalLines = %d\nblankLines = %d\ncommentLines = %d\n",
				normalLines,blankLines,commentLines);
	}

	private static void clac(File fname) {
		BufferedReader br = null;
		boolean flag = false;
		
		if(null == fname) {
			return;
		}
		try {
			br = new BufferedReader(new FileReader(fname));
			String line = "";
			
			while((line = br.readLine()) != null) {
				line = line.trim(); //去掉开头的空格
				//处理注释语句
				if(line.startsWith("/*") && line.endsWith("*/")) {
					commentLines ++;
				} else if(line.startsWith("/*") && !line.endsWith("*/")) {
					commentLines ++;
					flag = true;
				} else if(flag == true) {
					commentLines ++;
					if(line.contains("*/")) {
						flag = false;
					}
				} else if(line.startsWith("//")) {
					commentLines ++;
				} else if(line.matches("^[\\s&&[^\\n]]*$")) {
					blankLines ++;
				} else {
					normalLines ++;
				}
				 
 			}
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
}