扫描所有非jar包的类

package com.wp.tool;

import java.io.File;
import java.util.ArrayList;
import java.util.List;

/**
 * 获取非jar包的的classes
 * 

 * Created by wp on 2017/7/21 0021.
 */
public class ClassKit {

    private static File classPathRootDirectory = null;
    private static List
  
    allClassesName = null; private static List
   
    > allClass = null; static { ClassKit.classPathRootDirectory = new File(File.class.getClass().getResource("/").getPath()); ClassKit.allClassesName = ClassKit.parseDir2ClassName(ClassKit.classPathRootDirectory,true); ClassKit.allClass = ClassKit.name2Classes(ClassKit.allClassesName); } /** * 将类的全限定名list 转换为 class list * * @param names * @return */ private static List
    
     > name2Classes(List
     
       names) { List
      
       > classes = null; for (String className : names) { Class
        clz = null; try { clz = Class.forName(className); } catch (ClassNotFoundException e) { continue; } if (classes == null) { classes = new ArrayList
       
        >(); classes.add(clz); } else { classes.add(clz); } } return classes; } /** * 获取某一个包下面的class * * @param pkg 包名 * @param recursion 是否递归 * @return */ public static List
        
         > packageClassName(String pkg,boolean recursion) { String[] split = pkg.split("\\."); String path = ""; for (String s : split) { path += s + File.separator; } File file = new File(ClassKit.classPathRootDirectory,path); List
         
           list = parseDir2ClassName(file,recursion); List
          
           > classes = ClassKit.name2Classes(list); return classes; } /** * 获取某个文件夹下面所有的类 * * @param dir * @param recursion 是否递归 * @return List
           
             */ private static List
            
              parseDir2ClassName(File dir,boolean recursion) { if (dir.isFile()) throw new RuntimeException("Is Not a Directory"); List
             
               list = new ArrayList
              
               (); File[] fileList = dir.listFiles(); for (File tmp : fileList) { if (tmp.isFile()) { String path = tmp.getAbsolutePath(); int len = ClassKit.classPathRootDirectory.getAbsolutePath().length(); String replace = path.substring(len + 1).replace(File.separator, "."); if (replace.endsWith(".class")) { int i = replace.lastIndexOf(".class"); list.add(replace.substring(0, i)); } } else if(recursion){ List
               
                 strings = parseDir2ClassName(tmp,recursion); list.addAll(strings); } } return list; } public static List
                
                  getAllClassesName() { return ClassKit.allClassesName; } public static List
                 
                  > getAllClass() { return ClassKit.allClass; } }
                 
                
               
              
             
            
           
          
         
        
       
      
     
    
   
  

public static void main(String[] args) {
        List
 
  > allClass = ClassKit.getAllClass();
        for(Class
   clz : allClass){
            System.out.println(clz.getSimpleName());
        }

        System.out.println("***********");

        List
  
    allClassesName = ClassKit.getAllClassesName(); for(String className : allClassesName){ System.out.println(className); } System.out.println("***********"); List
   
    > pkgClasses = ClassKit.packageClassName("com.myoldtime.ioc", true); for(Class
     p : pkgClasses){ System.out.println(p.getSimpleName()); } }