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/**
The MIT License (MIT) * Copyright (c) 2016 铭飞科技(mingsoft.net)

 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 * the Software, and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:

 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

package com.mingsoft.util;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.util.HashMap;
import java.util.List;
import java.util.Map;


/**
 * io流读取文件;写出文件
 * @author 王天培QQ:78750478
 * @version 
 * 版本号：100-000-000

 * 创建日期：2012-03-15

 * 历史修订：

 */
public class FileUtil {

	/**
	 * 文件格式默认为utf-8
	 */
	public static final String URF8 = "UTF-8";

	/**
	 * i/o进行读取htm模版
	 * @param filePath 文件路径
	 * @return 返回读出的内容
	 */
	public static  String readFile(String filePath) {
		String fileContent = "";
		try {
			File f = new File(filePath);
			if (f.isFile() && f.exists()) {
				InputStreamReader read = new InputStreamReader(
						new FileInputStream(f), "UTF-8");
				BufferedReader reader = new BufferedReader(read);
				String line;
				while ((line = reader.readLine()) != null) {
					fileContent += line + "\n";
				}
				reader.close();
				read.close();
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
		return fileContent;
	}

	/**
	 * 读取文件夹
	 * 
	 * @param folderPath 文件夹路径　
	 * @param list 返回包括文件名称与文件路径 Map返回结构 name:文件名称 path;文件路径
	 * @return 返回包括文件名称与文件路径 Map返回结构 name:文件名称 path;文件路径
	 */
	@SuppressWarnings("rawtypes")
	public static List readFolder(List> list,
			String folderPath) {
		if (list == null) {
			return null;
		}
		File file = new File(folderPath);
		File[] tempList = file.listFiles();
		if (tempList != null && tempList.length > 0) {
			for (File tmpFile : tempList) {
				Map map = new HashMap();
				map.put("name", file.getName());
				map.put("path", file.getPath());
				list.add(map);
				if (tmpFile.isDirectory()) {
					readFolder(list, tmpFile.getPath()); // 递归删除
				}
			}
		}
		return list;
	}

	/**
	 * i/o写入文件
	 * 
	 * @param content 写入文件内容
	 * @param writePath 要写入的文件名路径
	 */
	public static void writeFile(String content, String writePath,
			String charCoder) {
		try {
			File file = new File(writePath);
			OutputStreamWriter osw = new OutputStreamWriter(
					new FileOutputStream(file), charCoder);
			BufferedWriter reader = new BufferedWriter(osw);
			reader.write(content);
			osw.flush();
			reader.close();
			osw.close();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	/**
	 * 创建文件夹
	 * 
	 * @param path　路径
	 */
	public static void createFolder(String path) {
		File file = new File(path);
		if (!file.exists()) {
			file.mkdirs();
		}
	}

	/**
	 * 删除指定文件夹 如果文件夹里面存在文件夹就进行递归，删除规则是从里面开始先删除
	 * 
	 * @param folderPath 文件夹路径
	 */
	public static void delFolders(String folderPath) {
		// 删除完里面所有内容
		File file = new File(folderPath);
		// 如果路径本身就是一个文件就直接删除
		if (!file.isDirectory()) {
			file.delete();
			return;
		}
		// 检查文件夹里面是否存在文件夹
		File[] tempList = file.listFiles();
		if (tempList != null && tempList.length > 0) {
			for (File tmpFile : tempList) {
				if (tmpFile.isDirectory()) {
					delFolders(tmpFile.getPath()); // 递归删除
				} else {
					tmpFile.delete();
				}
			}
		} else {
			file.delete();
		}
		delFolders(file.getPath());
	}

	/**
	 * 删除文件
	 * 
	 * @param path 文件路径
	 */
	public static void delFile(String path) {
		File file = new File(path);
		if (file.exists()) {
			file.delete();
		}
	}

	/**
	 * 编辑tmp文件
	 * @param fileName 文件名
	 * @param content 文件内容
	 */
	public static void writeTmpFile(String fileName, String content) {
		// 获取程序当前路径
		String strDir = System.getProperty("user.dir");
		// 将路径分隔符更换
		String folderpath = strDir;// .replace("/", File.separatorChar);
		String filepath = folderpath + File.separatorChar + fileName + ".tmp";
		FileUtil.writeFile(content, filepath, "utf-8");
	}

	/**
	 * 读取tmp文件
	 * @param fileName 文件名
	 * @return 返回文件内容
	 */
	public static String readTmpFile(String fileName) {
		// 获取程序当前路径
		String strDir = System.getProperty("user.dir");
		// 将路径分隔符更换
		String folderpath = strDir;// .replace("/", File.separatorChar);
		String filepath = folderpath + File.separatorChar + fileName + ".tmp";
		return FileUtil.readFile(filepath);
	}
}