import java.io.BufferedInputStream;

import java.io.BufferedOutputStream;

import java.io.File;

import java.io.FileInputStream;

import java.io.FileOutputStream;

import java.io.IOException;

public class FileControl {

    // 文件复制

    public static boolean copyFile(String source, String copy) throws Exception {

        source = source.replace("\\", "/");

        copy = copy.replace("\\", "/");

        File source_file = new File(source);

        File copy_file = new File(copy);

        // BufferedStream缓冲字节流

        if (!source_file.exists()) {

            throw new IOException("文件复制失败：源文件（" + source_file + "） 不存在");

        }

        if (copy_file.isDirectory()) {

            throw new IOException("文件复制失败：复制路径（" + copy_file + "） 错误");

        }

        File parent = copy_file.getParentFile();

        // 创建复制路径

        if (!parent.exists()) {

            parent.mkdirs();

        }

        // 创建复制文件

        if (!copy_file.exists()) {

            copy_file.createNewFile();

        }

        FileInputStream fis = new FileInputStream(source_file);

        FileOutputStream fos = new FileOutputStream(copy_file);

        BufferedInputStream bis = new BufferedInputStream(fis);

        BufferedOutputStream bos = new BufferedOutputStream(fos);

        byte[] KB = new byte[1024];

        int index;

        while ((index = bis.read(KB)) != -1) {

            bos.write(KB, 0, index);

        }

        bos.close();

        bis.close();

        fos.close();

        fis.close();

        if (!copy_file.exists()) {

            return false;

        } else if (source_file.length() != copy_file.length()) {

            return false;

        } else {

            return true;

        }

    }

    // 文件重命名

    public static boolean renameFile(String url, String new_name) throws Exception {

        String old_url = url;

        old_url = old_url.replace("\\", "/");

        File old_file = new File(old_url);

        if (!old_file.exists()) {

            throw new IOException("文件重命名失败，文件（"+old_file+"）不存在");

        }

        System.out.println(old_file.exists());

        String old_name = old_file.getName();

        // 获得父路径

        String parent = old_file.getParent();

        // 重命名

        String new_url = parent + "/" + new_name;

        File new_file = new File(new_url);

        old_file.renameTo(new_file);

        System.out.println("原文件：" + old_file.getName());

        System.out.println("新文件：" + new_file.getName());

        new_name = new_file.getName();

        old_name = old_file.getName();

        if (new_name.equals(old_name)) {

            return false;

        } else {

            return true;

        }

    }

    // 文件删除

    public static boolean deleteFile(String url) throws Exception {

        url = url.replace("\\", "/");

        File file = new File(url);

        if (file.isFile()) {

            if (file.exists()) {

                file.delete();

            }

        }else{

            throw new IOException("文件删除失败：（"+file+"）错误");

        }

        if (file.exists()) {

            return false;

        } else {

            return true;

        }

    }

    // 创建文件夹

    public static boolean createPath(String url) throws Exception {

        url = url.replace("\\", "/");

        File folder = new File(url);

        if(!folder.isDirectory()){

            throw new IOException("创建文件夹失败：（"+folder+"）不是文件夹路径");

        }

        if (!folder.isFile()) {

            if (!folder.exists()) {

                folder.mkdirs();

            }

        }

        // 检测是否创建成功

        if (folder.isDirectory() && folder.exists()) {

            return true;

        } else {

            return false;

        }

    }

}