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package com.iss.iaf.installer.util; import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.jar.JarEntry;
import java.util.jar.JarFile; import javax.swing.JOptionPane; import org.apache.tools.zip.ZipEntry;
import org.apache.tools.zip.ZipFile; /**
* 操作文件夹
* @author issuser
*
*/
public class FileUtil {
private static ArrayList<String> filelist = new ArrayList<String>();
/**
* 通过递归得到某一路径下所有的目录及其文件的文件名
* @param filePath 文件路径
* @return
*/
public static ArrayList<String> getFiles(String filePath){
File root = new File(filePath);
File[] files = root.listFiles();
for(File file:files){
if(file.isDirectory()){
/*
* 递归调用
*/
getFiles(file.getAbsolutePath());
filelist.add(file.getName());
System.out.println("显示"+filePath+"下所有子目录及其文件"+file.getAbsolutePath());
System.out.println(file.getName());
}else{
filelist.add(file.getName());
System.out.println("显示"+filePath+"下所有子目录"+file.getAbsolutePath());
System.out.println(file.getName());
}
}
return filelist;
}
/**
* 获取zip压缩文件下所有的子文件名称
* @param zipFilePath 压缩文件路径
* @return
*/
public ArrayList<String> zipFileRead(String zipFilePath) {
File file = new File(zipFilePath);
ArrayList<String> fileNameList =new ArrayList<String>();
if (file.exists()) {//存在文件时
try {
// 获得zip信息
ZipFile zipFile = new ZipFile(zipFilePath);
//遍历zipFile中所有的实体
@SuppressWarnings("unchecked")
Enumeration<? extends ZipEntry> entrys = zipFile.getEntries();
while (entrys.hasMoreElements()) {
ZipEntry zipElement = entrys.nextElement();
String filePath = zipElement.getName(); //压缩包下的文件路径
if (filePath != null && filePath.indexOf(".") != -1) {// 是否为文件
int number =filePath.lastIndexOf("/");
String fileName = filePath.substring(number+1);
fileNameList.add(fileName);
}else{
continue;
}
}
zipFile.close();
} catch (Exception e) {
e.printStackTrace();
}
}
return fileNameList;
}
/**
* 单文件下载
* @param from_file_name 文件名
* @param path 源文件路径
* @param to_path 目标文件路径
*/
public void download(String from_file_name,String path,String to_path) {
File dir = new File(to_path);
if(!dir.exists() ){ //判断是否存在，不存在就创建
dir.mkdirs(); //创建文件夹
}
OutputStream output = null;
FileInputStream input = null;
try {
input = new FileInputStream(path);
byte[] buffer = new byte[1024];
File des = new File(to_path, from_file_name);
output = new FileOutputStream(des);
int len = 0;
while (-1 != (len = input.read(buffer))) {
output.write(buffer, 0, len);
}
if (output != null) {
try {
if (input != null)
output.close();
input.close();
// JOptionPane.showMessageDialog(null, "下载成功", "提示", 2);
} catch (IOException e) {
e.printStackTrace();
}
}
} catch (FileNotFoundException e1) {
JOptionPane.showMessageDialog(null, "下载失败，请确认文件是否已上传状态！", "提示", JOptionPane.ERROR_MESSAGE);
e1.printStackTrace();
} catch (IOException e1) {
JOptionPane.showMessageDialog(null, "下载失败！", "提示", JOptionPane.ERROR_MESSAGE);
e1.printStackTrace();
}
}
/**
* 下载文件夹下的所有文件
*
* @param src
* @param des
*/
public void downloadAll(String src, String des) {
File file1 = new File(src);
File[] fs = file1.listFiles();
File file2 = new File(des);
if (!file2.exists()) {
file2.mkdirs();
}
for (File f : fs) {
if (f.isFile() && f.getAbsolutePath().contains(".zip")) {//是文件并且是zip文件
download(f.getName(),f.getPath(), des+"\\");// 调用文件拷贝的方法
} else if (f.isDirectory()) {
downloadAll(f.getPath(), des + "\\" );
}
}
}
/**
* 将单个zip文件解压
* @param zipFileName zip文件名
* @param path zip文件路径
* @param to_path 目标路径
*/
public void getZipDecompression(String zipFileName, String path,String to_path){
to_path = to_path+"\\"+zipFileName;
File dir = new File(to_path);
if (!dir.exists()) {
dir.mkdirs();
}
ZipFile zipFile = null;
try{
zipFile = new ZipFile(path);
//遍历zipFile中所有的实体
@SuppressWarnings("unchecked")
Enumeration<? extends ZipEntry> entrys = zipFile.getEntries();
while (entrys.hasMoreElements()) {
ZipEntry zipEntry = (ZipEntry) entrys.nextElement();
String outFileName = to_path +"\\"+ zipEntry.getName();
File f = new File(outFileName);
if(zipEntry.isDirectory()){
if(!f.exists()){
f.mkdirs();
}
}else{
File pf = f.getParentFile();
if(!pf.exists()){
pf.mkdirs();
}
InputStream in = zipFile.getInputStream(zipEntry);
OutputStream out = new BufferedOutputStream(
new FileOutputStream(f));
byte[] buffer = new byte[2048];
int nBytes = 0;
while ((nBytes = in.read(buffer)) > 0) {
out.write(buffer, 0, nBytes);
}
out.flush();
out.close();
in.close();
}
}
}catch(Exception e){
System.out.println("解压"+zipFileName+"出错---"+e.getMessage());
}finally{
if(zipFile!=null){
try {
zipFile.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
/**
* 解压所以zip下的所有文件
*
* @param src
* @param des
*/
public void getZipDecompressionAll(String src, String des) {
File file1 = new File(src);
File[] fs = file1.listFiles();
File file2 = new File(des);
if (!file2.exists()) {
file2.mkdirs();
}
for (File f : fs) {
if (f.isFile() && f.getAbsolutePath().contains(".zip")) {//是文件并且是zip文件
getZipDecompression(f.getName(),f.getPath(), des+"\\");// 调用文件拷贝的方法
} else if (f.isDirectory()) {
getZipDecompressionAll(f.getPath(), des + "\\" );
}
}
}
}
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