CodeCounter

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

public class CodeCounter {private static long normalLines = 0;private static long commentLines = 0;private static long whiteLines = 0;public static void main(String[] args) {File f = new File("D:/Workspaces/Frame/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();} catch (IOException e) {e.printStackTrace();}}}}}