标签:string files div bool dex 注释 port serve null
/** * Copyright ? 2015 All rights reserved. */ package cn.yufu.system.tools; import java.io.BufferedReader; import java.io.File; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.IOException; import java.util.ArrayList; /** * 代码行数统计 * @author * @version */ public class CodeCounter { /** * 代码行数统计 */ public static void main(String[] args) { String file = CodeCounter.class.getResource("/").getFile(); String path = file.replace("target/test-classes", "src"); ArrayList<File> al = getFile(new File(path)); for (File f : al) { if (f.getName().matches(".*\\.java$")){ // 匹配java格式的文件 count(f); System.out.println(f); } } System.out.println("统计文件:" + files); System.out.println("代码行数:" + codeLines); System.out.println("注释行数:" + commentLines); System.out.println("空白行数:" + blankLines); } static long files = 0; static long codeLines = 0; static long commentLines = 0; static long blankLines = 0; static ArrayList<File> fileArray = new ArrayList<File>(); /** * 获得目录下的文件和子目录下的文件 * @param f * @return */ public static ArrayList<File> getFile(File f) { File[] ff = f.listFiles(); for (File child : ff) { if (child.isDirectory()) { getFile(child); } else fileArray.add(child); } return fileArray; } /** * 统计方法 * @param f */ private static void count(File f) { BufferedReader br = null; boolean flag = false; try { br = new BufferedReader(new FileReader(f)); String line = ""; while ((line = br.readLine()) != null) { line = line.trim(); // 除去注释前的空格 if (line.matches("^[ ]*$")) { // 匹配空行 blankLines++; } else if (line.startsWith("//")) { commentLines++; } else if (line.startsWith("/*") && !line.endsWith("*/")) { commentLines++; flag = true; } else if (line.startsWith("/*") && line.endsWith("*/")) { commentLines++; } else if (flag == true) { commentLines++; if (line.endsWith("*/")) { flag = false; } } else { codeLines++; } } files++; } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } finally { if (br != null) { try { br.close(); br = null; } catch (IOException e) { e.printStackTrace(); } } } } }
标签:string files div bool dex 注释 port serve null
原文地址:https://www.cnblogs.com/guoziyi/p/10037226.html