package com.bonus.core;

import java.io.*;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

public final class FileToZip {

	private FileToZip(){}  
	
	 public static boolean fileToZip(String sourceFilePath,String zipFilePath,String fileName){
		 boolean flag = false;  
	        File sourceFile = new File(sourceFilePath);  
	        if(!sourceFile.exists()) {
	        	sourceFile.mkdirs();
	        }
	        File sourceZip = new File(zipFilePath); 
	        FileInputStream fis = null;  
	        BufferedInputStream bis = null;  
	        FileOutputStream fos = null;  
	        ZipOutputStream zos = null;  
	        if(!sourceZip.exists()) {
	        	sourceZip.mkdirs();
	        }
	        if(sourceFile.exists() == false){  
	            System.out.println("待压缩的文件目录："+sourceFilePath+"不存在.已创建");  
	        }else{  
	            try {  
	            	 System.out.println("ya锁包路径："+sourceFilePath + "/" + fileName +".zip");  
	                File zipFile = new File(sourceFilePath + "/" + fileName +".zip");  
	                if(zipFile.exists()){  
	                    System.out.println(zipFilePath + "目录下存在名字为:" + fileName +".zip" +"打包文件.");  
	                }else{  
	                    File[] sourceFiles = sourceFile.listFiles();  
	                    if(null == sourceFiles || sourceFiles.length<1){  
	                        System.out.println("待压缩的文件目录：" + sourceFilePath + "里面不存在文件，无需压缩.");  
	                    }else{  
	                        fos = new FileOutputStream(zipFile);  
	                        zos = new ZipOutputStream(new BufferedOutputStream(fos));  
	                        byte[] bufs = new byte[1024*10];  
	                        for(int i=0;i<sourceFiles.length;i++){  
	                            //创建ZIP实体，并添加进压缩包  
	                            ZipEntry zipEntry = new ZipEntry(sourceFiles[i].getName());  
	                            zos.putNextEntry(zipEntry);  
	                            //读取待压缩的文件并写进压缩包里  
	                            fis = new FileInputStream(sourceFiles[i]);  
	                            bis = new BufferedInputStream(fis, 1024*10);  
	                            int read = 0;  
	                            while((read=bis.read(bufs, 0, 1024*10)) != -1){  
	                                zos.write(bufs,0,read);  
	                            }  
	                        }  
	                        flag = true;  
	                    }  
	                }  
	            } catch (FileNotFoundException e) {  
	                e.printStackTrace();  
	                throw new RuntimeException(e);  
	            } catch (IOException e) {  
	                e.printStackTrace();  
	                throw new RuntimeException(e);  
	            } finally{  
	                //关闭流  
	                try {  
	                    if(null != bis) bis.close();  
	                    if(null != zos) zos.close();  
	                } catch (IOException e) {  
	                    e.printStackTrace();  
	                    throw new RuntimeException(e);  
	                }  
	            }  
	        }       
	        
		 return flag;  
	 }
	 
	    /**
	     * 删除指定文件夹下所有文件
	     * @param path 文件夹完整绝对路径 ,"Z:/xuyun/save"
	     */
	    public static boolean delAllFile(String path) {
	        boolean flag = false;
	        File file = new File(path);
	        if (!file.exists()) {
	            return flag;
	        }
	        if (!file.isDirectory()) {
	            return flag;
	        }
	        String[] tempList = file.list();
	        File temp = null;
	        for (int i = 0; i < tempList.length; i++) {
	            if (path.endsWith(File.separator)) {
	                temp = new File(path + tempList[i]);
	            } else {
	                temp = new File(path + File.separator + tempList[i]);
	            }
	            if (temp.isFile()) {
	                temp.delete();
	            }
	            if (temp.isDirectory()) {
	                delAllFile(path + "/" + tempList[i]);//先删除文件夹里面的文件
	             //   delFolder(path + "/" + tempList[i]);//再删除空文件夹
	                flag = true;
	            }
	        }
	        return flag;
	    };
	    
	    /**
	     * 删除文件夹
	     * @param folderPath 文件夹完整绝对路径 ,"Z:/xuyun/save"
	     */
	    public static void delFolder(String folderPath) {
	        try {
	            delAllFile(folderPath); //删除完里面所有内容
	            String filePath = folderPath;
	            filePath = filePath.toString();
	            File myFilePath = new File(filePath);
	            myFilePath.delete(); //删除空文件夹
	        } catch (Exception e) {
	            e.printStackTrace(); 
	        }
	    }

	 
	    public static void main(String[] args){  
	        String sourceFilePath = "E:\\demo";
			delFolder(sourceFilePath);
	    } 
	    
}