463 lines
15 KiB
Plaintext
463 lines
15 KiB
Plaintext
package com.novelbook.android.utils;
|
||
|
||
import android.content.Context;
|
||
import android.os.Environment;
|
||
import android.util.Log;
|
||
import android.widget.Toast;
|
||
|
||
|
||
import com.novelbook.android.db.Novel;
|
||
|
||
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.text.DecimalFormat;
|
||
import java.util.ArrayList;
|
||
import java.util.List;
|
||
|
||
|
||
public class Fileutil {
|
||
|
||
public static String name ;
|
||
|
||
public static int folderNum = 0;
|
||
|
||
/**
|
||
* 计算目录大小
|
||
*
|
||
* @param dir
|
||
* @return
|
||
*/
|
||
|
||
public static long getDirSize(File dir) {
|
||
if (dir == null) {
|
||
return 0;
|
||
}
|
||
// 不是目录
|
||
if (!dir.isDirectory()) {
|
||
return 0;
|
||
}
|
||
long dirSize = 0;
|
||
|
||
File[] files = dir.listFiles();
|
||
|
||
for (File file : files) {
|
||
if (file.isFile()) {
|
||
dirSize += file.length();
|
||
} else if (file.isDirectory()) {
|
||
// dirSize += file.length();
|
||
// 递归调用
|
||
dirSize += getDirSize(file);
|
||
}
|
||
|
||
}
|
||
return dirSize;
|
||
}
|
||
|
||
/**
|
||
* 转换文件大小
|
||
*
|
||
* @param fileS
|
||
* @return B/KB/MB/GB
|
||
*/
|
||
public static String formatFileSize(long fileS) {
|
||
|
||
if (fileS == 0) {
|
||
return "0.00B";
|
||
}
|
||
|
||
DecimalFormat dFormat = new DecimalFormat("#.00");
|
||
|
||
String fileSizeString = "";
|
||
|
||
if (fileS < 1024) {
|
||
fileSizeString = dFormat.format((double) fileS) + "B";
|
||
} else if (fileS < 1048576) {
|
||
fileSizeString = dFormat.format((double) fileS / 1024) + "KB";
|
||
} else if (fileS < 1073741824) {
|
||
fileSizeString = dFormat.format((double) fileS / 1048576) + "MB";
|
||
} else {
|
||
fileSizeString = dFormat.format((double) fileS / 1073741824) + "GB";
|
||
}
|
||
return fileSizeString;
|
||
}
|
||
|
||
/**
|
||
* 文件目录地址
|
||
*
|
||
* @return
|
||
*/
|
||
public static String fileDirectory(String dirPath, String fileName) {
|
||
String filePath = "";
|
||
|
||
String storageState = Environment.getExternalStorageState();
|
||
|
||
if (storageState.equals(Environment.MEDIA_MOUNTED)) {
|
||
filePath = Environment.getExternalStorageDirectory()
|
||
.getAbsolutePath() + dirPath;
|
||
|
||
File file = new File(filePath);
|
||
|
||
if (!file.exists()) {
|
||
// 建立一个新的目录
|
||
file.mkdirs();
|
||
}
|
||
filePath = filePath + fileName;
|
||
}
|
||
|
||
return filePath;
|
||
}
|
||
|
||
/**
|
||
* 获取文件目录
|
||
*
|
||
* @return
|
||
*/
|
||
public static File getDirectoryFile(String dirPath) {
|
||
|
||
String storageState = Environment.getExternalStorageState();
|
||
|
||
File file = null;
|
||
|
||
if (storageState.equals(Environment.MEDIA_MOUNTED)) {
|
||
String filePath = Environment.getExternalStorageDirectory()
|
||
.getAbsolutePath() + dirPath;
|
||
|
||
file = new File(filePath);
|
||
|
||
if (!file.exists()) {
|
||
// 建立一个新的目录
|
||
file.mkdirs();
|
||
}
|
||
}
|
||
|
||
return file;
|
||
}
|
||
|
||
/**
|
||
* 检查文件后缀
|
||
*
|
||
* @param checkItsEnd
|
||
* @param fileEndings
|
||
* @return
|
||
*/
|
||
private static boolean checkEndsWithInStringArray(String checkItsEnd,
|
||
String[] fileEndings) {
|
||
for (String aEnd : fileEndings) {
|
||
if (checkItsEnd.endsWith(aEnd))
|
||
return true;
|
||
}
|
||
return false;
|
||
}
|
||
|
||
/**
|
||
* 根据不同的后缀打开不同的文件
|
||
*
|
||
* @param fileName
|
||
*/
|
||
/** public static void openFile(Context context, String fileName, File file) {
|
||
Intent intent;
|
||
if (checkEndsWithInStringArray(fileName, context.getResources()
|
||
.getStringArray(R.array.fileEndingImage))) {
|
||
intent = OpenFiles.getImageFileIntent(file);
|
||
context.startActivity(intent);
|
||
} else if (checkEndsWithInStringArray(fileName, context.getResources()
|
||
.getStringArray(R.array.fileEndingWebText))) {
|
||
intent = OpenFiles.getHtmlFileIntent(file);
|
||
context.startActivity(intent);
|
||
} else if (checkEndsWithInStringArray(fileName, context.getResources()
|
||
.getStringArray(R.array.fileEndingPackage))) {
|
||
intent = OpenFiles.getApkFileIntent(file);
|
||
context.startActivity(intent);
|
||
|
||
} else if (checkEndsWithInStringArray(fileName, context.getResources()
|
||
.getStringArray(R.array.fileEndingAudio))) {
|
||
intent = OpenFiles.getAudioFileIntent(file);
|
||
context.startActivity(intent);
|
||
} else if (checkEndsWithInStringArray(fileName, context.getResources()
|
||
.getStringArray(R.array.fileEndingVideo))) {
|
||
intent = OpenFiles.getVideoFileIntent(file);
|
||
context.startActivity(intent);
|
||
} else if (checkEndsWithInStringArray(fileName, context.getResources()
|
||
.getStringArray(R.array.fileEndingText))) {
|
||
intent = OpenFiles.getTextFileIntent(file);
|
||
context.startActivity(intent);
|
||
} else if (checkEndsWithInStringArray(fileName, context.getResources()
|
||
.getStringArray(R.array.fileEndingPdf))) {
|
||
intent = OpenFiles.getPdfFileIntent(file);
|
||
context.startActivity(intent);
|
||
} else if (checkEndsWithInStringArray(fileName, context.getResources()
|
||
.getStringArray(R.array.fileEndingWord))) {
|
||
intent = OpenFiles.getWordFileIntent(file);
|
||
context.startActivity(intent);
|
||
} else if (checkEndsWithInStringArray(fileName, context.getResources()
|
||
.getStringArray(R.array.fileEndingExcel))) {
|
||
intent = OpenFiles.getExcelFileIntent(file);
|
||
context.startActivity(intent);
|
||
} else if (checkEndsWithInStringArray(fileName, context.getResources()
|
||
.getStringArray(R.array.fileEndingPPT))) {
|
||
intent = OpenFiles.getPPTFileIntent(file);
|
||
context.startActivity(intent);
|
||
} else {
|
||
Toast.makeText(context, "打开文件错误", Toast.LENGTH_SHORT).show();
|
||
}
|
||
} */
|
||
|
||
/**
|
||
* 根据不同的后缀imageView设置不同的值
|
||
*
|
||
* @param fileName
|
||
*/
|
||
/** public static void setImage(Context context, String fileName,
|
||
ImageView imageView) {
|
||
if (checkEndsWithInStringArray(fileName, context.getResources()
|
||
.getStringArray(R.array.fileEndingImage))) {
|
||
imageView.setImageResource(R.drawable.file_icon_picture);
|
||
} else if (checkEndsWithInStringArray(fileName, context.getResources()
|
||
.getStringArray(R.array.fileEndingWebText))) {
|
||
imageView.setImageResource(R.drawable.file_icon_txt);
|
||
} else if (checkEndsWithInStringArray(fileName, context.getResources()
|
||
.getStringArray(R.array.fileEndingPackage))) {
|
||
imageView.setImageResource(R.drawable.file_icon_rar);
|
||
} else if (checkEndsWithInStringArray(fileName, context.getResources()
|
||
.getStringArray(R.array.fileEndingAudio))) {
|
||
imageView.setImageResource(R.drawable.file_icon_mp3);
|
||
} else if (checkEndsWithInStringArray(fileName, context.getResources()
|
||
.getStringArray(R.array.fileEndingVideo))) {
|
||
imageView.setImageResource(R.drawable.file_icon_video);
|
||
} else if (checkEndsWithInStringArray(fileName, context.getResources()
|
||
.getStringArray(R.array.fileEndingText))) {
|
||
imageView.setImageResource(R.drawable.file_icon_txt);
|
||
} else if (checkEndsWithInStringArray(fileName, context.getResources()
|
||
.getStringArray(R.array.fileEndingPdf))) {
|
||
imageView.setImageResource(R.drawable.file_icon_pdf);
|
||
} else if (checkEndsWithInStringArray(fileName, context.getResources()
|
||
.getStringArray(R.array.fileEndingWord))) {
|
||
imageView.setImageResource(R.drawable.file_icon_office);
|
||
} else if (checkEndsWithInStringArray(fileName, context.getResources()
|
||
.getStringArray(R.array.fileEndingExcel))) {
|
||
imageView.setImageResource(R.drawable.file_icon_office);
|
||
} else if (checkEndsWithInStringArray(fileName, context.getResources()
|
||
.getStringArray(R.array.fileEndingPPT))) {
|
||
imageView.setImageResource(R.drawable.file_icon_office);
|
||
} else {
|
||
imageView.setImageResource(R.drawable.file);
|
||
}
|
||
} */
|
||
|
||
/**
|
||
*
|
||
* 返回本地文件列表
|
||
*
|
||
* @param //本地文件夹路径
|
||
*/
|
||
public static List<File> getFileListByPath( String path) {
|
||
Novel bookList = new Novel();
|
||
|
||
int fileNum = 0 ;
|
||
|
||
File dir = new File(path);
|
||
|
||
List<File> folderList = new ArrayList<File>();
|
||
|
||
List<File> fileList = new ArrayList<File>();
|
||
|
||
// 获取指定盘符下的所有文件列表。（listFiles可以获得指定路径下的所有文件，以数组方式返回）
|
||
File[] files = dir.listFiles();
|
||
// 如果该目录下面为空，则该目录的此方法执行
|
||
if (files == null) {
|
||
return folderList;
|
||
}
|
||
|
||
// 通过循环将所遍历所有文件
|
||
for (int i = 0; i < files.length; i++) {
|
||
|
||
if (!files[i].isHidden()) {
|
||
|
||
if (files[i].isDirectory()) {
|
||
folderList.add(files[i]);
|
||
folderNum++;
|
||
}
|
||
if (files[i].isFile()) {
|
||
|
||
if (files[i].toString().contains(".txt")) { //txt".equals(extName)
|
||
fileList.add(files[i]);
|
||
// name = files[i].toString();
|
||
// FileActivity.paths.add(files[i].toString());
|
||
|
||
}
|
||
|
||
}
|
||
|
||
}
|
||
Log.d("Fileutil", folderNum + "");
|
||
}
|
||
folderList.addAll(fileList);
|
||
|
||
return folderList;
|
||
|
||
|
||
}
|
||
|
||
public static int getFileNum (List<File> list) {
|
||
File file;
|
||
int num = 0;
|
||
for (int i = 0 ; i<list.size(); i++) {
|
||
file = list.get(i);
|
||
if (file.isFile()){
|
||
num++;
|
||
}
|
||
}
|
||
|
||
return num;
|
||
}
|
||
|
||
|
||
/**
|
||
* 复制一个目录及其子目录、文件到另外一个目录
|
||
*
|
||
* @param src
|
||
* @param dest
|
||
* @throws IOException
|
||
*/
|
||
public static void copyFolder(File src, File dest) {
|
||
if (src.isDirectory()) {
|
||
if (!dest.exists()) {
|
||
dest.mkdir();
|
||
}
|
||
String files[] = src.list();
|
||
for (String file : files) {
|
||
File srcFile = new File(src, file);
|
||
File destFile = new File(dest, file);
|
||
// 递归复制
|
||
copyFolder(srcFile, destFile);
|
||
}
|
||
} else {
|
||
InputStream in;
|
||
OutputStream out;
|
||
try {
|
||
in = new FileInputStream(src);
|
||
out = new FileOutputStream(dest);
|
||
|
||
byte[] buffer = new byte[1024];
|
||
|
||
int length;
|
||
|
||
while ((length = in.read(buffer)) > 0) {
|
||
out.write(buffer, 0, length);
|
||
}
|
||
in.close();
|
||
out.close();
|
||
} catch (Exception e) {
|
||
// TODO Auto-generated catch block
|
||
e.printStackTrace();
|
||
}
|
||
}
|
||
}
|
||
|
||
/**
|
||
* @param src
|
||
* 源文件路径
|
||
* @param name
|
||
* 源文件名字
|
||
* @param dest
|
||
* 目标目录
|
||
*/
|
||
public static void copyFile(File src, String name, File dest) {
|
||
File file = new File(dest, name);
|
||
InputStream inputStream = null;
|
||
OutputStream outputStream = null;
|
||
try {
|
||
inputStream = new FileInputStream(src);
|
||
outputStream = new FileOutputStream(file);
|
||
byte[] b = new byte[1024];
|
||
int len = 0;
|
||
while ((len = inputStream.read(b)) != -1) {
|
||
outputStream.write(b, 0, len);
|
||
}
|
||
|
||
outputStream.close();
|
||
inputStream.close();
|
||
} catch (Exception e) {
|
||
// TODO Auto-generated catch block
|
||
e.printStackTrace();
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 创建目录或文件
|
||
*/
|
||
public static void createDirorFile(String path, String name, Context context,int check) {
|
||
File file = new File(path + File.separator + name);
|
||
|
||
if (check==0) {// 如果为文件
|
||
try {
|
||
file.createNewFile();
|
||
Toast.makeText(context, "创建文件成功", Toast.LENGTH_SHORT).show();
|
||
} catch (IOException e) {
|
||
// TODO Auto-generated catch block
|
||
e.printStackTrace();
|
||
Toast.makeText(context, "创建文件失败", Toast.LENGTH_SHORT).show();
|
||
}
|
||
} else if(check==1){
|
||
// 创建目录
|
||
if (file.mkdirs()) {
|
||
Toast.makeText(context, "创建目录成功", Toast.LENGTH_SHORT).show();
|
||
} else {
|
||
Toast.makeText(context, "创建目录失败", Toast.LENGTH_SHORT).show();
|
||
}
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 删除一个目录
|
||
*/
|
||
public static void deleteDir(File dir) {
|
||
if (dir == null || !dir.exists() || !dir.isDirectory()) {
|
||
return;
|
||
}
|
||
for (File file : dir.listFiles()) {
|
||
if (file.isFile())
|
||
file.delete(); // 删除所有文件
|
||
else if (file.isDirectory())
|
||
deleteDir(file); // 递规的方式删除文件夹
|
||
}
|
||
dir.delete();
|
||
}
|
||
|
||
/**
|
||
* @param fromDir
|
||
* 这个为源目录
|
||
* @param fromPath
|
||
* 这个为源目录的上一级路径
|
||
* @param toName
|
||
* 要修改的名字
|
||
*/
|
||
public static boolean renameFile(File fromDir, String fromPath,
|
||
String toName) {
|
||
File tempFile = new File(fromPath + File.separator + toName);
|
||
if (tempFile.exists()) {
|
||
return false;
|
||
} else {
|
||
return fromDir.renameTo(tempFile);
|
||
}
|
||
}
|
||
|
||
/** 去掉文件扩展名
|
||
*
|
||
*
|
||
* */
|
||
public static String getFileNameNoEx (String filename) {
|
||
if ((filename != null) && (filename.length() > 0)) {
|
||
int dot = filename.lastIndexOf('.');
|
||
if ((dot >-1) && (dot < (filename.length()))) {
|
||
return filename.substring(0, dot);
|
||
}
|
||
}
|
||
return filename;
|
||
}
|
||
}
|