From 8224895711ca579b8b93dfd103e60a60a2edc2c8 Mon Sep 17 00:00:00 2001 From: DXL <64101226@qq.com> Date: Thu, 27 Aug 2020 12:37:00 +0800 Subject: [PATCH] Delete FileUtils.java --- appmain/stream/FileUtils.java | 632 ---------------------------------- 1 file changed, 632 deletions(-) delete mode 100644 appmain/stream/FileUtils.java diff --git a/appmain/stream/FileUtils.java b/appmain/stream/FileUtils.java deleted file mode 100644 index bc8a1ad..0000000 --- a/appmain/stream/FileUtils.java +++ /dev/null @@ -1,632 +0,0 @@ -package com.proxgrind.chameleon.utils.stream; - -import android.app.Activity; -import android.app.Application; -import android.content.ActivityNotFoundException; -import android.content.ContentResolver; -import android.content.ContentUris; -import android.content.Context; -import android.content.Intent; -import android.database.Cursor; -import android.media.MediaMetadataRetriever; -import android.net.Uri; -import android.os.Build; -import android.os.Environment; -import android.os.ParcelFileDescriptor; -import android.provider.DocumentsContract; -import android.provider.MediaStore; - -import androidx.annotation.NonNull; -import androidx.core.content.FileProvider; -import androidx.loader.content.CursorLoader; - -import android.provider.OpenableColumns; -import android.widget.Toast; - -import com.proxgrind.chameleon.R; -import com.proxgrind.chameleon.utils.system.AppContextUtils; -import com.proxgrind.chameleon.utils.tools.ArrayUtils; -import com.proxgrind.chameleon.utils.system.LogUtils; -import com.proxgrind.chameleon.utils.tools.StringUtils; - -import java.io.BufferedReader; -import java.io.File; -import java.io.FileDescriptor; -import java.io.FileInputStream; -import java.io.FileNotFoundException; -import java.io.FileOutputStream; -import java.io.IOException; -import java.io.InputStream; -import java.io.InputStreamReader; -import java.io.OutputStream; -import java.net.URI; -import java.net.URL; -import java.nio.channels.FileChannel; -import java.text.DecimalFormat; -import java.util.ArrayList; - -/* - * 一系列文件操作的封装! - * */ -public class FileUtils { - - // 上下文，用于给File类获取资源! - private static Application context = AppContextUtils.app; - - private static DecimalFormat format = new DecimalFormat("#.00"); - - public interface Size { - long B = 1024; - long KB = B * 1024; - long MB = KB * 1024; - long GB = MB * 1024; - long TB = GB * 1024; - } - - public interface Name { - String B = "B"; - String KB = "KB"; - String MB = "MB"; - String GB = "GB"; - String TB = "TB"; - } - - //获得文件的输入流! - public static FileInputStream getFis(File file) throws FileNotFoundException { - return new FileInputStream(file); - } - - //获得文件的输入流! - public static InputStream getFis(Uri stream) throws FileNotFoundException { - return context.getContentResolver().openInputStream(stream); - } - - //获得文件的输出流! - public static FileOutputStream getFos(File file, boolean append) throws FileNotFoundException { - return new FileOutputStream(file, append); - } - - public static byte[] readBytes(InputStream is, long count, long max, long min) throws IOException { - if (max != -1 && is.available() > max) return null; - if (min != -1 && is.available() < min) return null; - // The length correct. - if (count == -1) count = is.available(); - byte[] buf = new byte[(int) count]; - if (is.read(buf, 0, (int) count) != count) { - IOUtils.close(is); - throw new IOException("read bytes file len is error!"); - } - IOUtils.close(is); - return buf; - } - - public static byte[] readBytes(InputStream is) throws IOException { - // The length correct. - int count = is.available(); - byte[] buf = new byte[(int) count]; - if (is.read(buf, 0, (int) count) != count) { - IOUtils.close(is); - throw new IOException("read bytes file len is error!"); - } - IOUtils.close(is); - return buf; - } - - public static byte[] readBytes(File file) throws IOException { - return readBytes(file, (int) file.length()); - } - - public static byte[] readBytes(File file, long count) throws IOException { - FileInputStream fis = getFis(file); - return readBytes(fis, count, -1, -1); - } - - public static byte[] readBytes(File file, long count, long max, long min) throws IOException { - FileInputStream fis = getFis(file); - return readBytes(fis, count, max, min); - } - - public static byte[] readBytes(Uri uri) throws IOException { - return readBytes(uri, -1); - } - - public static byte[] readBytes(Uri uri, long count) throws IOException { - InputStream fis = getFis(uri); - return readBytes(fis, count, -1, -1); - } - - public static byte[] readBytes(Uri uri, long count, long max, long min) throws IOException { - InputStream fis = getFis(uri); - return readBytes(fis, count, max, min); - } - - //读取文件以每行 - public static String[] readLines(File file) throws IOException { - FileInputStream fileIs; - ArrayList resultList = new ArrayList<>(); - fileIs = new FileInputStream(file); - String tmpBUf; - //创建字符缓冲读取对象 - BufferedReader bReader = new BufferedReader(new InputStreamReader(fileIs)); - while ((tmpBUf = bReader.readLine()) != null) { - resultList.add(tmpBUf); - } - return ArrayUtils.list2Arr(resultList); - } - - //按匹配的行读取文件 - public static String[] readLines(File file, String regex) throws IOException { - String[] resultArray = readLines(file); - ArrayList resultList = new ArrayList<>(); - if (resultArray == null) return new String[0]; - for (String str : resultArray) { - if (str.matches(regex)) { - resultList.add(str); - } - } - return ArrayUtils.list2Arr(resultList); - } - - //写入指定的字节到文件中，以覆盖或者追加的方式! - public static void writeBytes(byte[] data, File file, boolean append) throws IOException { - if (!file.exists()) createFile(file); - if (!file.isFile()) return; - LogUtils.d("写入的目标: " + file.getAbsolutePath()); - FileOutputStream fos = getFos(file, append); - fos.write(data); - } - - //写入指定的字节到文件中，以覆盖或者追加的方式! - public static void writeBytes(byte[] data, FileOutputStream fos) throws IOException { - fos.write(data); - } - - // 写入指定的字节到文件中，适配SAF - public static void writeBytes(byte[] data, Uri target) throws IOException { - OutputStream os = context.getContentResolver().openOutputStream(target); - if (os != null) { - os.write(data); - os.close(); - } - } - - // 写入指定的字节到文件中，适配SAF - public static void writeBytes(File source, Uri target) throws IOException { - writeBytes(readBytes(Uri.fromFile(source)), target); - } - - //使用字符串内容覆盖文件内容 - public static void writeString(File file, String str, boolean append) { - try { - writeBytes(str.getBytes(), file, append); - } catch (IOException e) { - e.printStackTrace(); - } - } - - // 根据文件后缀名获得对应的MIME类型。 - private static String getMimeType(String filePath) { - MediaMetadataRetriever mmr = new MediaMetadataRetriever(); - String mime = "*/*"; - if (filePath != null) { - try { - mmr.setDataSource(filePath); - mime = mmr.extractMetadata(MediaMetadataRetriever.METADATA_KEY_MIMETYPE); - } catch (RuntimeException e) { - return mime; - } - } - return mime; - } - - //删除文件夹目录下所有的文件 - public static boolean delete(File dir) { - if (dir.isDirectory()) { - if (dir.delete()) { - return false; - } - String[] files = dir.list(); - if (files == null) { - return dir.delete(); - } - //非空目录，迭代删除所有的文件 - for (String file : files) - delete(new File(dir.getAbsolutePath() + File.separator + file)); - //然后进行目录删除! - return delete(dir); - } else { - return dir.delete(); - } - } - - public static boolean delete(String path) { - return delete(new File(path)); - } - - // 調用系統方法分享文件 - public static void shareFile(Context context, Uri uri) { - Intent share = new Intent(Intent.ACTION_SEND); - //判断是否是AndroidN以及更高的版本 - if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N && - ContentResolver.SCHEME_FILE.equals(uri.getScheme())) {//如果SDK版本>=24，即：Build.VERSION.SDK_INT >= 24 - uri = FileProvider.getUriForFile( - context, - FileUtils.getFileProviderName(), - new File(FileUtils.getFilePathByUri(uri)) - ); - } - share.putExtra(Intent.EXTRA_STREAM, uri); - share.setType("*/*");//此处可发送多种文件 - share.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); - share.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); - //context.startActivity(Intent.createChooser(share, "分享文件")); 会崩溃! - try { - context.startActivity(share); - } catch ( - Exception e) { - e.printStackTrace(); - Toast.makeText(context, R.string.tips_no_app_process, Toast.LENGTH_SHORT).show(); - } - } - - public final static String getFileProviderName() { - return context.getPackageName() + ".fileprovider"; - } - - public static String getFilePathByUri(Uri uri) { - // 以 file:// 开头的 - if (ContentResolver.SCHEME_FILE.equals(uri.getScheme())) { - return uri.getPath(); - } - // 以/storage开头的也直接返回 - if (isOtherDocument(uri)) { - return uri.getPath(); - } - // 版本兼容的获取！ - String path = getFilePathByUri_BELOWAPI11(uri); - if (path != null) { - LogUtils.d("getFilePathByUri_BELOWAPI11获取到的路径为：" + path); - return path; - } - path = getFilePathByUri_API11to18(uri); - if (path != null) { - LogUtils.d("getFilePathByUri_API11to18获取到的路径为：" + path); - return path; - } - path = getFilePathByUri_API19(uri); - LogUtils.d("getFilePathByUri_API19获取到的路径为：" + path); - return path; - } - - private static String getFilePathByUri_BELOWAPI11(Uri uri) { - // 以 content:// 开头的，比如 content://media/extenral/images/media/17766 - if (ContentResolver.SCHEME_CONTENT.equals(uri.getScheme())) { - String path = null; - String[] projection = new String[]{MediaStore.Images.Media.DATA}; - Cursor cursor = context.getContentResolver().query(uri, projection, null, null, null); - if (cursor != null) { - if (cursor.moveToFirst()) { - try { - int columnIndex = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA); - if (columnIndex > -1) { - path = cursor.getString(columnIndex); - } - } catch (Exception e) { - e.printStackTrace(); - } - } - cursor.close(); - } - return path; - } - return null; - } - - private static String getFilePathByUri_API11to18(Uri contentUri) { - String[] projection = {MediaStore.Images.Media.DATA}; - String result = null; - CursorLoader cursorLoader = new CursorLoader(context, contentUri, projection, null, null, null); - Cursor cursor = cursorLoader.loadInBackground(); - if (cursor != null) { - if (cursor.moveToFirst()) { - try { - int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA); - result = cursor.getString(column_index); - } catch (Exception e) { - e.printStackTrace(); - } - } - cursor.close(); - } - return result; - } - - private static String getFilePathByUri_API19(Uri uri) { - // 4.4及之后的 是以 content:// 开头的，比如 content://com.android.providers.media.documents/document/image%3A235700 - // content://com.tencent.mtt.fileprovider/QQBrowser/tencent/MobileQQ/photo/_-176177031_Screenshot_20200225_213619_com.tencent.mobileqq_1582637779000_wifi_0.jpg - if (ContentResolver.SCHEME_CONTENT.equals(uri.getScheme()) && Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) { - if (DocumentsContract.isDocumentUri(context, uri)) { - if (isExternalStorageDocument(uri)) { - // ExternalStorageProvider - String docId = DocumentsContract.getDocumentId(uri); - String[] split = docId.split(":"); - String type = split[0]; - if ("primary".equalsIgnoreCase(type)) { - if (split.length > 1) { - return Environment.getExternalStorageDirectory() + "/" + split[1]; - } else { - return Environment.getExternalStorageDirectory() + "/"; - } - // This is for checking SD Card - } - } else if (isDownloadsDocument(uri)) { - //下载内容提供者时应当判断下载管理器是否被禁用 - int stateCode = context.getPackageManager().getApplicationEnabledSetting("com.android.providers.downloads"); - if (stateCode != 0 && stateCode != 1) { - return null; - } - String id = DocumentsContract.getDocumentId(uri); - // 如果出现这个RAW地址，我们则可以直接返回! - if (id.startsWith("raw:")) { - return id.replaceFirst("raw:", ""); - } - if (id.contains(":")) { - String[] tmp = id.split(":"); - if (tmp.length > 1) { - id = tmp[1]; - } - } - Uri contentUri = Uri.parse("content://downloads/public_downloads"); - LogUtils.d("测试打印Uri: " + uri); - try { - contentUri = ContentUris.withAppendedId(contentUri, Long.parseLong(id)); - } catch (Exception e) { - e.printStackTrace(); - } - String path = getDataColumn(contentUri, null, null); - if (path != null) return path; - // 兼容某些特殊情况下的文件管理器! - String fileName = getFileNameByUri(context, uri, true); - if (fileName != null) { - path = Environment.getExternalStorageDirectory().toString() + "/Download/" + fileName; - return path; - } - } else if (isMediaDocument(uri)) { - // MediaProvider - String docId = DocumentsContract.getDocumentId(uri); - String[] split = docId.split(":"); - String type = split[0]; - Uri contentUri = null; - if ("image".equals(type)) { - contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI; - } else if ("video".equals(type)) { - contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI; - } else if ("audio".equals(type)) { - contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI; - } - String selection = "_id=?"; - String[] selectionArgs = new String[]{split[1]}; - return getDataColumn(contentUri, selection, selectionArgs); - } - } - } - return null; - } - - public static String getFileNameByUri(Context context, Uri uri, boolean needPath) { - String relativePath = getFileRelativePathByUri_API18(context, uri); - if (relativePath == null) relativePath = ""; - try (Cursor cursor = context.getContentResolver().query(uri, null, null, null, null)) { - if (cursor != null && cursor.moveToFirst()) { - int index = cursor.getColumnIndexOrThrow(OpenableColumns.DISPLAY_NAME); - String result = cursor.getString(index); - return needPath ? relativePath + result : result; - } - } catch (Exception e) { - e.printStackTrace(); - } - return null; - } - - private static String getFileRelativePathByUri_API18(Context context, Uri uri) { - final String[] projection; - if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.Q) { - projection = new String[]{ - MediaStore.MediaColumns.RELATIVE_PATH - }; - try (Cursor cursor = context.getContentResolver().query(uri, projection, null, null, null)) { - if (cursor != null && cursor.moveToFirst()) { - int index = cursor.getColumnIndexOrThrow(MediaStore.MediaColumns.RELATIVE_PATH); - return cursor.getString(index); - } - } catch (Exception e) { - e.printStackTrace(); - } - } - return null; - } - - private static String getDataColumn(Uri uri, String selection, String[] selectionArgs) { - final String column = MediaStore.Images.Media.DATA; - final String[] projection = {column}; - try (Cursor cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs, null)) { - if (cursor != null && cursor.moveToFirst()) { - final int column_index = cursor.getColumnIndexOrThrow(column); - return cursor.getString(column_index); - } - } catch (Exception e) { - e.printStackTrace(); - } - return null; - } - - private static boolean isExternalStorageDocument(Uri uri) { - return "com.android.externalstorage.documents".equals(uri.getAuthority()); - } - - private static boolean isOtherDocument(Uri uri) { - // 以/storage开头的也直接返回 - if (uri != null && uri.getPath() != null) { - String path = uri.getPath(); - if (path.startsWith("/storage")) { - return true; - } - if (path.startsWith("/external_files")) { - return true; - } - } - return false; - } - - private static boolean isDownloadsDocument(Uri uri) { - return "com.android.providers.downloads.documents".equals(uri.getAuthority()); - } - - private static boolean isMediaDocument(Uri uri) { - return "com.android.providers.media.documents".equals(uri.getAuthority()); - } - - public static void createFile(File file) { - try { - if (!file.exists()) file.createNewFile(); - } catch (IOException e) { - e.printStackTrace(); - } - } - - public static boolean createPaths(File file) { - if (!file.exists()) - return file.mkdirs(); - return false; - } - - public static File[] names2Files(String[] fileStrs) { - ArrayList tmp = new ArrayList<>(); - for (String s : fileStrs) { - tmp.add(new File(s)); - } - return tmp.toArray(new File[0]); - } - - public static String[] files2Names(File[] files) { - ArrayList ret = new ArrayList<>(); - if (files != null) { - for (File f : files) { - ret.add(f.getName()); - } - } - return ret.toArray(new String[0]); - } - - public static File getAppFilesDir() { - if (context != null) - return context.getFilesDir(); - return null; - } - - public static File getAppFilesDir(String sub) { - File path = context.getFileStreamPath(sub); - createPaths(path); - return path; - } - - public static File newFile(File dir, String name) { - createPaths(dir); - File ret = new File(dir.getAbsoluteFile() + File.separator + name); - createFile(ret); - return ret; - } - - //判断文件名是否有效! - public static boolean isValidFileName(String name) { - return !StringUtils.isEmpty(name) && !name.contains("/"); - } - - //获得so库的地址! - public static String getNativePath() { - String ss = context.getApplicationInfo().nativeLibraryDir; - if (ss == null) - ss = context.getFilesDir().getPath() + "/lib"; - return ss; - } - - public static boolean moveFile(File file, File path) { - String pathStr = path.getAbsolutePath(); - pathStr = pathStr.endsWith(File.separator) ? pathStr : pathStr + File.separator; - String targetFile = pathStr + file.getName(); - File tmp = new File(targetFile); - createFile(tmp); - if (tmp.exists() && tmp.isFile()) { - // 开始写入! - return file.renameTo(new File(targetFile)); - } - return true; - } - - public static boolean copy(File source, File target) throws IOException { - if (target == null || source == null) return false; - FileChannel inputChannel = null; - FileChannel outputChannel = null; - try { - File parentFile = target.getParentFile(); - if (parentFile != null) { - createPaths(parentFile); - } - createFile(target); - inputChannel = new FileInputStream(source).getChannel(); - outputChannel = new FileOutputStream(target).getChannel(); - outputChannel.transferFrom(inputChannel, 0, inputChannel.size()); - } finally { - IOUtils.close(inputChannel); - IOUtils.close(outputChannel); - } - return true; - } - - public static boolean copy(FileDescriptor descriptor, FileDescriptor target) throws IOException { - if (target == null || descriptor == null) return false; - FileChannel inputChannel = null; - FileChannel outputChannel = null; - try { - inputChannel = new FileInputStream(descriptor).getChannel(); - outputChannel = new FileOutputStream(target).getChannel(); - outputChannel.transferFrom(inputChannel, 0, inputChannel.size()); - } finally { - IOUtils.close(inputChannel); - IOUtils.close(outputChannel); - } - return true; - } - - public static boolean copy(byte[] rawData, File target) { - try { - writeBytes(rawData, target, false); - return true; - } catch (IOException e) { - e.printStackTrace(); - return false; - } - } - - public static String getFileCountIfFolder(File[] files) { - if (files == null) files = new File[0]; - return files.length + " " + context.getString(R.string.item); - } - - public static String getFileLengthIfFile(@NonNull File file) { - long length = file.length(); - String fileLength; - if (length < Size.B) { - fileLength = length + Name.B; - } else if (length < Size.KB) { - fileLength = format.format(length * 1.0 / Size.B) + Name.KB; - } else if (length < Size.MB) { - fileLength = format.format(length * 1.0 / Size.KB) + Name.MB; - } else if (length < Size.GB) { - fileLength = format.format(length * 1.0 / Size.MB) + Name.GB; - } else { - fileLength = format.format(length * 1.0 / Size.GB) + Name.TB; - } - return fileLength; - } -}