扫描指定路径下有多少行代码

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

/**
 * Created by qiaojun on 2020/6/3.
 */
public class CodeCount {
    private int lineCount;
    private int fileCount;
    private int getLineCount()
    {
        return lineCount;
    }
    private int getFileCount()
    {
        return fileCount;
    }

    public static void main(String[] args) throws IOException
    {
        CodeCount codeCount = new CodeCount();
        //项目路径,或者文件夹路径
        String path = "F:\\project_view";
        //协议扫描的文件类型 例如：.xml .js等
        String fileType=".java";
        codeCount.getFileLineNum(new File(path),fileType);
        System.out.println("该路径下一共有"+codeCount.getFileCount()+"个"+fileType+"源文件,"+codeCount.getLineCount()+"行代码");
    }

    private void getFileLineNum(File path, String fileType) throws IOException{
        if(path.isFile() && path.getName().endsWith(fileType)){
            BufferedReader br = new BufferedReader(new FileReader(path));
            fileCount++;
            while(br.readLine()!=null){
                lineCount++;
            }
            System.out.println(path.getName());
            br.close();
        }else if(path.isDirectory()){
            File[] listFiles = path.listFiles();
            assert listFiles != null;
            for (File file : listFiles)
            {
                getFileLineNum(file,fileType);
            }
        }
    }
}