代码统计

代码统计

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

public   class  CodeCounter {
    
     static   long  normalLines  =   0 ;
     static   long  commentLines  =   0 ;
     static   long  whiteLines  =   0 ;
    
     public   static   void  main(String[] args) {
        File f  =   new  File( " D:\\share\\JavaProjects\\TankWar1.9.11\\src " );
        File[] codeFiles  =  f.listFiles();
         for (File child : codeFiles){
             if (child.getName().matches( " .*\\.java$ " )) {
                parse(child);
            }
        }
        
        System.out.println( " normalLines: "   +  normalLines);
        System.out.println( " commentLines: "   +  commentLines);
        System.out.println( " whiteLines: "   +  whiteLines);
        
    }

     private   static   void  parse(File f) {
        BufferedReader br  =   null ;
         boolean  comment  =   false ;
         try  {
            br  =   new  BufferedReader( new  FileReader(f));
            String line  =   "" ;
             while ((line  =  br.readLine())  !=   null ) {
                line  =  line.trim();
                 if (line.matches( " ^[\\s&&[^\\n]]*$ " )) {
                    whiteLines  ++ ;
                }  else   if  (line.startsWith( " /* " )  &&   ! line.endsWith( " */ " )) {
                    commentLines  ++ ;
                    comment  =   true ;    
                }  else   if  (line.startsWith( " /* " )  &&  line.endsWith( " */ " )) {
                    commentLines  ++ ;
                }  else   if  ( true   ==  comment) {
                    commentLines  ++ ;
                     if (line.endsWith( " */ " )) {
                        comment  =   false ;
                    }
                }  else   if  (line.startsWith( " // " )) {
                    commentLines  ++ ;
                }  else  {
                    normalLines  ++ ;
                }
            }
        }  catch  (FileNotFoundException e) {
            e.printStackTrace();
        }  catch  (IOException e) {
            e.printStackTrace();
        }  finally  {
             if (br  !=   null ) {
                 try  {
                    br.close();
                    br  =   null ;
                }  catch  (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }

}