指定ファイル以外を再帰的に削除する

Main.java

package main;

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Stack;

public class Main {
	String absolutePath = "C:\\Users\\ \\Desktop\\～♪";
	ArrayList<String> deleteFileList = new ArrayList<String>(Arrays.asList(
			".gitignore",
			"Tests.java",
			"LogAspct.java"
			));

    public static void main(String[] args) throws IOException {
    	new Main();
    }
    
    public Main() throws IOException {
    	
        findAllFile(absolutePath);
        deleteEmptyDirectory(absolutePath);
    }

    public List<File> findAllFile(String absolutePath) throws IOException {

        List<File> fileList = new ArrayList<>();

        Stack<File> stack = new Stack<>();
        stack.add(new File(absolutePath));
        while (!stack.isEmpty()) {
            File item = stack.pop();
            if (item.isFile()) {
            	fileList.add(item);
            	deleteFile(deleteFileList, item);
            }

            if (item.isDirectory()) {
        		for (File child : item.listFiles()) {
        			stack.push(child);
        		}
            }
        }

        return fileList;
    }

    public static void deleteEmptyDirectory(String target) {
		 
    	System.out.println(target);
        Stack<File> stack = new Stack<>();
		try {
			File directory = new File(target);
			File[] files = directory.listFiles();
 
			for(File file: files) {
				if (file.isDirectory()) {
					stack.add(file);
					deleteEmptyDirectory(file.getPath());
				}
			}
			
	        while (!stack.isEmpty()) {
	            File file = stack.pop();
		    	System.out.println("dir削除：" + directory.getAbsolutePath());
                ファイル消える～♪ file.delete() 
	        }
		} catch (Exception e) {
			System.out.println(e);
		}
	}
    
    private void deleteFile(List<String> dList, File file) throws IOException  {
    	
    	for(String fileName : dList) {
    		if(file.getAbsolutePath().contains(fileName)) {
    			return;
    		} else {
    		}
    	}
    	System.out.println("ファイル削除：" + file.getAbsolutePath());
        ファイル消える!! file.delete() 
    }
}