package cn.darkal.networkdiagnosis.Utils;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.os.Environment;
import android.provider.MediaStore;
import android.util.Log;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.math.BigInteger;
import java.security.MessageDigest;
import java.util.Enumeration;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import java.util.zip.ZipInputStream;
/**
* Created by xuzhou on 2016/9/12.
* FileUtil
*/
public class FileUtil {
/**
* 计算一个文件的md5
*/
public static String getMd5ByFile(File file) {
FileInputStream in = null;
try {
in = new FileInputStream(file);
MessageDigest digester = MessageDigest.getInstance("MD5"); // TODO
// 未验证
byte[] bytes = new byte[8192];
int byteCount;
while ((byteCount = in.read(bytes)) > 0) {
digester.update(bytes, 0, byteCount);
}
byte[] digest = digester.digest();
BigInteger bi = new BigInteger(1, digest);
return String.format("%032x", bi);
} catch (Exception e) {
return "";
} finally {
try {
in.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
/**
* 计算一段字符串的md5
*/
public static String getMd5(String source) {
try {
MessageDigest md5 = MessageDigest.getInstance("MD5");
md5.update(source.getBytes());
BigInteger bi = new BigInteger(1, md5.digest());
return String.format("%032x", bi);
} catch (Exception e) {
return "";
}
}
/**
* 获取外部存储目录，一般是/sdcard/ 如果不存在，就返回/data/
*/
public static File getDataRoot() {
try {
if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED) ||
(Environment.getExternalStorageDirectory().exists() && Environment.getExternalStorageDirectory().canWrite())) {
return Environment.getExternalStorageDirectory();
} else {
return Environment.getDataDirectory();
}
} catch (Exception e) {
return null;
}
}
/**
* 获取我们京致衣橱存储的目录
*/
public static File getAppRoot() {
try {
File root = new File(getDataRoot(), "com.jd.wxsq.app");
if (!root.exists()) {
root.mkdirs();
}
// 创建 .nomedia 文件，防止app目录下的图片被加入到系统相册
File nomedia = new File(root, ".nomedia");
if (!nomedia.exists()) {
nomedia.createNewFile();
}
return root;
} catch (Exception e) {
return null;
}
}
/**
* 获取H5离线模块存储的目录
*/
public static File getModuleRoot() {
try {
File root = new File(getAppRoot(), "module");
if (!root.exists()) {
root.mkdirs();
}
return root;
} catch (Exception e) {
return null;
}
}
/**
* 获取下载回来的APK存储的目录
*/
public static File getUpdateRoot() {
try {
File root = new File(getAppRoot(), "update");
if (!root.exists()) {
root.mkdirs();
}
return root;
} catch (Exception e) {
return null;
}
}
/**
* 获取下载回来的config图片存储的目录
*/
public static File getConfigRoot() {
File root = new File(getAppRoot(), "config");
if (!root.exists()) {
root.mkdirs();
}
return root;
}
/**
* 获取存储crash log的目录
*/
public static File getLogRoot() {
File root = new File(getAppRoot(), "logs");
if (!root.exists()) {
root.mkdirs();
}
return root;
}
/**
* 获取存储用户在京致衣橱中拍的照片的目录
*/
public static File getDcimRoot() {
// 拍出来的照片保存在 DCIM/JZYC
File root = new File(
Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM), "/JZYC/");
if (!root.exists()) {
root.mkdirs();
}
return root;
}
/**
* 获取存储衣橱图片的目录
*/
public static File getWardrobeRoot() {
File root = new File(getAppRoot(), "wardrobe");
if (!root.exists()) {
root.mkdirs();
}
return root;
}
/**
* 获取存储用户头像的目录
*/
public static File getHeadImageRoot() {
File root = new File(getAppRoot(), "headimage");
if (!root.exists()) {
root.mkdirs();
}
return root;
}
/**
* 获取存储搭配图片的目录
*/
public static File getMatchRoot() {
File root = new File(getAppRoot(), "match");
if (!root.exists()) {
root.mkdirs();
}
return root;
}
/**
* 获取相册功能复制的图片存放的目录
*/
public static File getCopyRoot() {
File root = new File(getAppRoot(), "copy");
if (!root.exists()) {
root.mkdirs();
}
return root;
}
private static File getFileByPath(String path, boolean isDir) {
File fileModuleRoot = getModuleRoot();
File file = new File(fileModuleRoot, path);
if (!file.exists()) {
if (isDir) {
file.mkdirs();
} else {
file.getParentFile().mkdirs();
file = new File(fileModuleRoot, path);
}
}
return file;
}
/**
* 解压zip文件
*/
public static void unzipFile(String filePath, String unzipPath) {
ZipFile zipFile = null;
try {
zipFile = new ZipFile(filePath);
for (Enumeration entry = zipFile.entries(); entry.hasMoreElements(); ) {
ZipEntry zipEntry = (ZipEntry) entry.nextElement();
if (zipEntry.isDirectory()) {
// 打开注释查看解压了哪些文件
continue;
}
// 有文件的子目录
if (zipEntry.getSize() > 0) {
File file = FileUtil.getFileByPath(unzipPath + "/" + zipEntry.getName(), false);
OutputStream os = new BufferedOutputStream(new FileOutputStream(file));
InputStream is = zipFile.getInputStream(zipEntry);
byte[] buffer = new byte[4096];
int len = 0;
while ((len = is.read(buffer)) >= 0) {
os.write(buffer, 0, len);
}
os.flush();
os.close();
}
// 空目录
else {
FileUtil.getFileByPath(unzipPath + "/" + zipEntry.getName(), true);
}
}
zipFile.close();
} catch (Exception e) {
e.printStackTrace();
} finally {
if (zipFile != null) {
try {
zipFile.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
/**
* 从assets中解压module.zip
*/
public static void unzipAssetModule(Context context) {
if ((context == null) || (context.getResources() == null) || (context.getResources().getAssets() == null)) {
return;
}
ZipInputStream in = null;
OutputStream os = null;
try {
InputStream is = context.getResources().getAssets().open("module.zip");
in = new ZipInputStream(is);
ZipEntry entry = in.getNextEntry();
while (entry != null) {
if (entry.isDirectory()) {
File file = new File(FileUtil.getAppRoot(), entry.getName());
if (!file.exists()) {
file.mkdirs();
}
} else {
File file = new File(FileUtil.getAppRoot(), entry.getName());
os = new BufferedOutputStream(new FileOutputStream(file));
byte[] buffer = new byte[1000000];
int len = 0;
while ((len = in.read(buffer)) >= 0) {
os.write(buffer, 0, len);
}
os.flush();
}
entry = in.getNextEntry();
}
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
if (os != null) {
os.close();
}
if (in != null) {
in.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
/**
* 拷贝目录，从src到dst
*/
public static void copyDir(String src, String dst) {
try {
File fileSrc = new File(src);
if (!fileSrc.exists()) {
return;
}
File[] filelist = fileSrc.listFiles();
File fileDst = new File(dst);
if (!fileDst.exists()) {
fileDst.mkdirs();
}
for (File f : filelist) {
if (f.isDirectory()) {
copyDir(f.getPath() + "/", dst + f.getName() + "/");
} else {
copyFile(f.getPath(), dst + f.getName());
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 拷贝文件，从src到dst
*/
public static void copyFile(String src, String dst) {
FileInputStream in = null;
FileOutputStream out = null;
try {
in = new FileInputStream(src);
out = new FileOutputStream(dst);
byte[] b = new byte[1024 * 5];
int len = 0;
while ((len = in.read(b)) > 0) {
out.write(b, 0, len);
}
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
if (out != null) {
out.close();
}
if (in != null) {
in.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
/**
* 删除相册中的图片，并通知系统MediaScanner服务更新
*/
public static void deleteAlbumFile(Context context, String filePath) {
File photo = new File(filePath);
if (!photo.exists()) {
return;
}
photo.delete();
context.getContentResolver().delete(
MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
MediaStore.Images.Media.DATA + "=?",
new String[]{
photo.getAbsolutePath()
});
context.sendBroadcast(new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, Uri.parse("file://" + photo)));
}
/**
* 删除相册中的图片，并通知系统MediaScanner服务更新
*/
public static void saveImageToGallery(Context context, String filePath) {
StringBuilder path = new StringBuilder();
String[] aa = filePath.split("\\/");
for (int i = 0; i < aa.length - 1; i++) {
path.append(aa[i]);
path.append("/");
}
// 其次把文件插入到系统图库
try {
MediaStore.Images.Media.insertImage(context.getContentResolver(), path.toString(), filePath, null);
} catch (Exception e) {
e.printStackTrace();
}
// 最后通知图库更新
context.sendBroadcast(new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, Uri.parse("file://" + filePath)));
}
//递归删除文件夹下面的文件
public static void deleteFiles(File file){
try {
if (file.exists()) {
if (file.isDirectory()) {
File[] childFiles = file.listFiles();
for (File f : childFiles) {
deleteFiles(f);
}
} else {
file.delete();
}
}
}catch (Exception e){}
}
}