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Code Issues Releases Wiki Activity

Convert FileUtil to Kotlin

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tzugen 2021-09-12 11:40:18 +02:00
parent c48c41284e
commit ec49775d7e
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536
ultrasonic/src/main/java/org/moire/ultrasonic/util/FileUtil.java
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/*
This file is part of Subsonic.
Subsonic is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Subsonic is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Subsonic. If not, see <http://www.gnu.org/licenses/>.
Copyright 2009 (C) Sindre Mehus
*/
package org.moire.ultrasonic.util;
import android.content.Context;
import android.os.Build;
import android.os.Environment;
import android.text.TextUtils;
import org.moire.ultrasonic.app.UApp;
import org.moire.ultrasonic.domain.MusicDirectory;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.util.Arrays;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import java.util.SortedSet;
import java.util.TreeSet;
import java.util.regex.Pattern;
import kotlin.Lazy;
import timber.log.Timber;
import static org.koin.java.KoinJavaComponent.inject;
/**
* @author Sindre Mehus
*/
public class FileUtil
{
private static final String[] FILE_SYSTEM_UNSAFE = {"/", "\\", "..", ":", "\"", "?", "*", "<", ">", "|"};
private static final String[] FILE_SYSTEM_UNSAFE_DIR = {"\\", "..", ":", "\"", "?", "*", "<", ">", "|"};
private static final List<String> MUSIC_FILE_EXTENSIONS = Arrays.asList("mp3", "ogg", "aac", "flac", "m4a", "wav", "wma", "opus");
private static final List<String> VIDEO_FILE_EXTENSIONS = Arrays.asList("flv", "mp4", "m4v", "wmv", "avi", "mov", "mpg", "mkv");
private static final List<String> PLAYLIST_FILE_EXTENSIONS = Collections.singletonList("m3u");
private static final Pattern TITLE_WITH_TRACK = Pattern.compile("^\\d\\d-.*");
public static final String SUFFIX_LARGE = ".jpeg";
public static final String SUFFIX_SMALL = ".jpeg-small";
private static final Lazy<PermissionUtil> permissionUtil = inject(PermissionUtil.class);
public static File getSongFile(MusicDirectory.Entry song)
{
File dir = getAlbumDirectory(song);
// Do not generate new name for offline files. Offline files will have their Path as their Id.
if (!TextUtils.isEmpty(song.getId()))
{
if (song.getId().startsWith(dir.getAbsolutePath())) return new File(song.getId());
}
// Generate a file name for the song
StringBuilder fileName = new StringBuilder(256);
Integer track = song.getTrack();
//check if filename already had track number
if (!TITLE_WITH_TRACK.matcher(song.getTitle()).matches()) {
if (track != null) {
if (track < 10) {
fileName.append('0');
}
fileName.append(track).append('-');
}
}
fileName.append(fileSystemSafe(song.getTitle())).append('.');
if (!TextUtils.isEmpty(song.getTranscodedSuffix())) {
fileName.append(song.getTranscodedSuffix());
} else {
fileName.append(song.getSuffix());
}
return new File(dir, fileName.toString());
}
public static File getPlaylistFile(String server, String name)
{
File playlistDir = getPlaylistDirectory(server);
return new File(playlistDir, String.format("%s.m3u", fileSystemSafe(name)));
}
public static File getPlaylistDirectory()
{
File playlistDir = new File(getUltrasonicDirectory(), "playlists");
ensureDirectoryExistsAndIsReadWritable(playlistDir);
return playlistDir;
}
public static File getPlaylistDirectory(String server)
{
File playlistDir = new File(getPlaylistDirectory(), server);
ensureDirectoryExistsAndIsReadWritable(playlistDir);
return playlistDir;
}
/**
* Get the album art file for a given album entry
* @param entry The album entry
* @return File object. Not guaranteed that it exists
*/
public static File getAlbumArtFile(MusicDirectory.Entry entry)
{
File albumDir = getAlbumDirectory(entry);
return getAlbumArtFile(albumDir);
}
/**
* Get the cache key for a given album entry
* @param entry The album entry
* @param large Whether to get the key for the large or the default image
* @return String The hash key
*/
public static String getAlbumArtKey(MusicDirectory.Entry entry, boolean large)
{
File albumDir = getAlbumDirectory(entry);
return getAlbumArtKey(albumDir, large);
}
/**
* Get the cache key for a given album entry
* @param albumDir The album directory
* @param large Whether to get the key for the large or the default image
* @return String The hash key
*/
public static String getAlbumArtKey(File albumDir, boolean large)
{
if (albumDir == null) {
return null;
}
String suffix = (large) ? SUFFIX_LARGE : SUFFIX_SMALL;
return String.format(Locale.ROOT, "%s%s", Util.md5Hex(albumDir.getPath()), suffix);
}
public static File getAvatarFile(String username)
{
File albumArtDir = getAlbumArtDirectory();
if (albumArtDir == null || username == null)
{
return null;
}
String md5Hex = Util.md5Hex(username);
return new File(albumArtDir, String.format("%s%s", md5Hex, SUFFIX_LARGE));
}
/**
* Get the album art file for a given album directory
* @param albumDir The album directory
* @return File object. Not guaranteed that it exists
*/
public static File getAlbumArtFile(File albumDir)
{
File albumArtDir = getAlbumArtDirectory();
String key = getAlbumArtKey(albumDir, true);
if (key == null || albumArtDir == null)
{
return null;
}
return new File(albumArtDir, key);
}
/**
* Get the album art file for a given cache key
* @param cacheKey The key (== the filename)
* @return File object. Not guaranteed that it exists
*/
public static File getAlbumArtFile(String cacheKey)
{
File albumArtDir = getAlbumArtDirectory();
if (albumArtDir == null || cacheKey == null)
{
return null;
}
return new File(albumArtDir, cacheKey);
}
public static File getAlbumArtDirectory()
{
File albumArtDir = new File(getUltrasonicDirectory(), "artwork");
ensureDirectoryExistsAndIsReadWritable(albumArtDir);
ensureDirectoryExistsAndIsReadWritable(new File(albumArtDir, ".nomedia"));
return albumArtDir;
}
public static File getAlbumDirectory(MusicDirectory.Entry entry)
{
if (entry == null)
{
return null;
}
File dir;
if (!TextUtils.isEmpty(entry.getPath()))
{
File f = new File(fileSystemSafeDir(entry.getPath()));
dir = new File(String.format("%s/%s", getMusicDirectory().getPath(), entry.isDirectory() ? f.getPath() : f.getParent()));
}
else
{
String artist = fileSystemSafe(entry.getArtist());
String album = fileSystemSafe(entry.getAlbum());
if ("unnamed".equals(album))
{
album = fileSystemSafe(entry.getTitle());
}
dir = new File(String.format("%s/%s/%s", getMusicDirectory().getPath(), artist, album));
}
return dir;
}
public static void createDirectoryForParent(File file)
{
File dir = file.getParentFile();
if (!dir.exists())
{
if (!dir.mkdirs())
{
Timber.e("Failed to create directory %s", dir);
}
}
}
private static File getOrCreateDirectory(String name)
{
File dir = new File(getUltrasonicDirectory(), name);
if (!dir.exists() && !dir.mkdirs())
{
Timber.e("Failed to create %s", name);
}
return dir;
}
public static File getUltrasonicDirectory()
{
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M)
return new File(Environment.getExternalStorageDirectory(), "Android/data/org.moire.ultrasonic");
// After Android M, the location of the files must be queried differently. GetExternalFilesDir will always return a directory which Ultrasonic can access without any extra privileges.
return UApp.Companion.applicationContext().getExternalFilesDir(null);
}
public static File getDefaultMusicDirectory()
{
return getOrCreateDirectory("music");
}
public static File getMusicDirectory()
{
File defaultMusicDirectory = getDefaultMusicDirectory();
String path = Util.getPreferences().getString(Constants.PREFERENCES_KEY_CACHE_LOCATION, defaultMusicDirectory.getPath());
File dir = new File(path);
boolean hasAccess = ensureDirectoryExistsAndIsReadWritable(dir);
if (!hasAccess) permissionUtil.getValue().handlePermissionFailed(null);
return hasAccess ? dir : defaultMusicDirectory;
}
public static boolean ensureDirectoryExistsAndIsReadWritable(File dir)
{
if (dir == null)
{
return false;
}
if (dir.exists())
{
if (!dir.isDirectory())
{
Timber.w("%s exists but is not a directory.", dir);
return false;
}
}
else
{
if (dir.mkdirs())
{
Timber.i("Created directory %s", dir);
}
else
{
Timber.w("Failed to create directory %s", dir);
return false;
}
}
if (!dir.canRead())
{
Timber.w("No read permission for directory %s", dir);
return false;
}
if (!dir.canWrite())
{
Timber.w("No write permission for directory %s", dir);
return false;
}
return true;
}
/**
* Makes a given filename safe by replacing special characters like slashes ("/" and "\")
* with dashes ("-").
*
* @param filename The filename in question.
* @return The filename with special characters replaced by hyphens.
*/
private static String fileSystemSafe(String filename)
{
if (filename == null || filename.trim().isEmpty())
{
return "unnamed";
}
for (String s : FILE_SYSTEM_UNSAFE)
{
filename = filename.replace(s, "-");
}
return filename;
}
/**
* Makes a given filename safe by replacing special characters like colons (":")
* with dashes ("-").
*
* @param path The path of the directory in question.
* @return The the directory name with special characters replaced by hyphens.
*/
private static String fileSystemSafeDir(String path)
{
if (path == null || path.trim().isEmpty())
{
return "";
}
for (String s : FILE_SYSTEM_UNSAFE_DIR)
{
path = path.replace(s, "-");
}
return path;
}
/**
* Similar to {@link File#listFiles()}, but returns a sorted set.
* Never returns {@code null}, instead a warning is logged, and an empty set is returned.
*/
public static SortedSet<File> listFiles(File dir)
{
File[] files = dir.listFiles();
if (files == null)
{
Timber.w("Failed to list children for %s", dir.getPath());
return new TreeSet<>();
}
return new TreeSet<>(Arrays.asList(files));
}
public static SortedSet<File> listMediaFiles(File dir)
{
SortedSet<File> files = listFiles(dir);
Iterator<File> iterator = files.iterator();
while (iterator.hasNext())
{
File file = iterator.next();
if (!file.isDirectory() && !isMediaFile(file))
{
iterator.remove();
}
}
return files;
}
private static boolean isMediaFile(File file)
{
String extension = getExtension(file.getName());
return MUSIC_FILE_EXTENSIONS.contains(extension) || VIDEO_FILE_EXTENSIONS.contains(extension);
}
public static boolean isPlaylistFile(File file)
{
String extension = getExtension(file.getName());
return PLAYLIST_FILE_EXTENSIONS.contains(extension);
}
/**
* Returns the extension (the substring after the last dot) of the given file. The dot
* is not included in the returned extension.
*
* @param name The filename in question.
* @return The extension, or an empty string if no extension is found.
*/
public static String getExtension(String name)
{
int index = name.lastIndexOf('.');
return index == -1 ? "" : name.substring(index + 1).toLowerCase();
}
/**
* Returns the base name (the substring before the last dot) of the given file. The dot
* is not included in the returned basename.
*
* @param name The filename in question.
* @return The base name, or an empty string if no basename is found.
*/
public static String getBaseName(String name)
{
int index = name.lastIndexOf('.');
return index == -1 ? name : name.substring(0, index);
}
/**
* Returns the file name of a .partial file of the given file.
*
* @param name The filename in question.
* @return The .partial file name
*/
public static String getPartialFile(String name)
{
return String.format("%s.partial.%s", FileUtil.getBaseName(name), FileUtil.getExtension(name));
}
/**
* Returns the file name of a .complete file of the given file.
*
* @param name The filename in question.
* @return The .complete file name
*/
public static String getCompleteFile(String name)
{
return String.format("%s.complete.%s", FileUtil.getBaseName(name), FileUtil.getExtension(name));
}
public static <T extends Serializable> boolean serialize(Context context, T obj, String fileName)
{
File file = new File(context.getCacheDir(), fileName);
ObjectOutputStream out = null;
try
{
out = new ObjectOutputStream(new FileOutputStream(file));
out.writeObject(obj);
Timber.i("Serialized object to %s", file);
return true;
}
catch (Throwable x)
{
Timber.w("Failed to serialize object to %s", file);
return false;
}
finally
{
Util.close(out);
}
}
@SuppressWarnings({"unchecked"})
public static <T extends Serializable> T deserialize(Context context, String fileName)
{
File file = new File(context.getCacheDir(), fileName);
if (!file.exists() || !file.isFile())
{
return null;
}
ObjectInputStream in = null;
try
{
in = new ObjectInputStream(new FileInputStream(file));
Object object = in.readObject();
T result = (T) object;
Timber.i("Deserialized object from %s", file);
return result;
}
catch (Throwable x)
{
Timber.w(x,"Failed to deserialize object from %s", file);
return null;
}
finally
{
Util.close(in);
}
}
}

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ultrasonic/src/main/java/org/moire/ultrasonic/util/FileUtil.kt Normal file
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/*
This file is part of Subsonic.
Subsonic is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Subsonic is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Subsonic. If not, see <http://www.gnu.org/licenses/>.
Copyright 2009 (C) Sindre Mehus
*/
package org.moire.ultrasonic.util
import android.content.Context
import android.os.Build
import android.os.Environment
import android.text.TextUtils
import org.koin.java.KoinJavaComponent.inject
import org.moire.ultrasonic.app.UApp.Companion.applicationContext
import org.moire.ultrasonic.domain.MusicDirectory
import org.moire.ultrasonic.util.Util.close
import org.moire.ultrasonic.util.Util.getPreferences
import org.moire.ultrasonic.util.Util.md5Hex
import timber.log.Timber
import java.io.File
import java.io.FileInputStream
import java.io.FileOutputStream
import java.io.ObjectInputStream
import java.io.ObjectOutputStream
import java.io.Serializable
import java.util.Arrays
import java.util.Locale
import java.util.SortedSet
import java.util.TreeSet
import java.util.regex.Pattern
/**
* @author Sindre Mehus
*/
object FileUtil {
private val FILE_SYSTEM_UNSAFE = arrayOf("/", "\\", "..", ":", "\"", "?", "*", "<", ">", "|")
private val FILE_SYSTEM_UNSAFE_DIR = arrayOf("\\", "..", ":", "\"", "?", "*", "<", ">", "|")
private val MUSIC_FILE_EXTENSIONS =
Arrays.asList("mp3", "ogg", "aac", "flac", "m4a", "wav", "wma", "opus")
private val VIDEO_FILE_EXTENSIONS =
Arrays.asList("flv", "mp4", "m4v", "wmv", "avi", "mov", "mpg", "mkv")
private val PLAYLIST_FILE_EXTENSIONS = listOf("m3u")
private val TITLE_WITH_TRACK = Pattern.compile("^\\d\\d-.*")
const val SUFFIX_LARGE = ".jpeg"
const val SUFFIX_SMALL = ".jpeg-small"
private val permissionUtil = inject<PermissionUtil>(
PermissionUtil::class.java
)
fun getSongFile(song: MusicDirectory.Entry): File {
val dir = getAlbumDirectory(song)
// Do not generate new name for offline files. Offline files will have their Path as their Id.
if (!TextUtils.isEmpty(song.id)) {
if (song.id.startsWith(dir!!.absolutePath)) return File(song.id)
}
// Generate a file name for the song
val fileName = StringBuilder(256)
val track = song.track
//check if filename already had track number
if (!TITLE_WITH_TRACK.matcher(song.title).matches()) {
if (track != null) {
if (track < 10) {
fileName.append('0')
}
fileName.append(track).append('-')
}
}
fileName.append(fileSystemSafe(song.title!!)).append('.')
if (!TextUtils.isEmpty(song.transcodedSuffix)) {
fileName.append(song.transcodedSuffix)
} else {
fileName.append(song.suffix)
}
return File(dir, fileName.toString())
}
@JvmStatic
fun getPlaylistFile(server: String?, name: String): File {
val playlistDir = getPlaylistDirectory(server)
return File(playlistDir, String.format("%s.m3u", fileSystemSafe(name)))
}
@JvmStatic
val playlistDirectory: File
get() {
val playlistDir = File(ultrasonicDirectory, "playlists")
ensureDirectoryExistsAndIsReadWritable(playlistDir)
return playlistDir
}
fun getPlaylistDirectory(server: String?): File {
val playlistDir = File(playlistDirectory, server)
ensureDirectoryExistsAndIsReadWritable(playlistDir)
return playlistDir
}
/**
* Get the album art file for a given album entry
* @param entry The album entry
* @return File object. Not guaranteed that it exists
*/
fun getAlbumArtFile(entry: MusicDirectory.Entry?): File? {
val albumDir = getAlbumDirectory(entry)
return getAlbumArtFile(albumDir)
}
/**
* Get the cache key for a given album entry
* @param entry The album entry
* @param large Whether to get the key for the large or the default image
* @return String The hash key
*/
fun getAlbumArtKey(entry: MusicDirectory.Entry?, large: Boolean): String? {
val albumDir = getAlbumDirectory(entry)
return getAlbumArtKey(albumDir, large)
}
/**
* Get the cache key for a given album entry
* @param albumDir The album directory
* @param large Whether to get the key for the large or the default image
* @return String The hash key
*/
fun getAlbumArtKey(albumDir: File?, large: Boolean): String? {
if (albumDir == null) {
return null
}
val suffix = if (large) SUFFIX_LARGE else SUFFIX_SMALL
return String.format(Locale.ROOT, "%s%s", md5Hex(albumDir.path), suffix)
}
fun getAvatarFile(username: String?): File? {
val albumArtDir = albumArtDirectory
if (albumArtDir == null || username == null) {
return null
}
val md5Hex = md5Hex(username)
return File(albumArtDir, String.format("%s%s", md5Hex, SUFFIX_LARGE))
}
/**
* Get the album art file for a given album directory
* @param albumDir The album directory
* @return File object. Not guaranteed that it exists
*/
fun getAlbumArtFile(albumDir: File?): File? {
val albumArtDir = albumArtDirectory
val key = getAlbumArtKey(albumDir, true)
return if (key == null || albumArtDir == null) {
null
} else File(albumArtDir, key)
}
/**
* Get the album art file for a given cache key
* @param cacheKey The key (== the filename)
* @return File object. Not guaranteed that it exists
*/
fun getAlbumArtFile(cacheKey: String?): File? {
val albumArtDir = albumArtDirectory
return if (albumArtDir == null || cacheKey == null) {
null
} else File(albumArtDir, cacheKey)
}
val albumArtDirectory: File
get() {
val albumArtDir = File(ultrasonicDirectory, "artwork")
ensureDirectoryExistsAndIsReadWritable(albumArtDir)
ensureDirectoryExistsAndIsReadWritable(File(albumArtDir, ".nomedia"))
return albumArtDir
}
fun getAlbumDirectory(entry: MusicDirectory.Entry?): File? {
if (entry == null) {
return null
}
val dir: File
if (!TextUtils.isEmpty(entry.path)) {
val f = File(fileSystemSafeDir(entry.path))
dir = File(
String.format(
"%s/%s",
musicDirectory.path,
if (entry.isDirectory) f.path else f.parent
)
)
} else {
val artist = fileSystemSafe(entry.artist!!)
var album = fileSystemSafe(entry.album!!)
if ("unnamed" == album) {
album = fileSystemSafe(entry.title!!)
}
dir = File(String.format("%s/%s/%s", musicDirectory.path, artist, album))
}
return dir
}
fun createDirectoryForParent(file: File) {
val dir = file.parentFile
if (!dir.exists()) {
if (!dir.mkdirs()) {
Timber.e("Failed to create directory %s", dir)
}
}
}
private fun getOrCreateDirectory(name: String): File {
val dir = File(ultrasonicDirectory, name)
if (!dir.exists() && !dir.mkdirs()) {
Timber.e("Failed to create %s", name)
}
return dir
}
// After Android M, the location of the files must be queried differently. GetExternalFilesDir will always return a directory which Ultrasonic can access without any extra privileges.
@JvmStatic
val ultrasonicDirectory: File?
get() = if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) File(
Environment.getExternalStorageDirectory(),
"Android/data/org.moire.ultrasonic"
) else applicationContext().getExternalFilesDir(null)
// After Android M, the location of the files must be queried differently. GetExternalFilesDir will always return a directory which Ultrasonic can access without any extra privileges.
@JvmStatic
val defaultMusicDirectory: File
get() = getOrCreateDirectory("music")
@JvmStatic
val musicDirectory: File
get() {
val defaultMusicDirectory = defaultMusicDirectory
val path = getPreferences().getString(
Constants.PREFERENCES_KEY_CACHE_LOCATION,
defaultMusicDirectory.path
)
val dir = File(path)
val hasAccess = ensureDirectoryExistsAndIsReadWritable(dir)
if (!hasAccess) permissionUtil.value.handlePermissionFailed(null)
return if (hasAccess) dir else defaultMusicDirectory
}
@JvmStatic
fun ensureDirectoryExistsAndIsReadWritable(dir: File?): Boolean {
if (dir == null) {
return false
}
if (dir.exists()) {
if (!dir.isDirectory) {
Timber.w("%s exists but is not a directory.", dir)
return false
}
} else {
if (dir.mkdirs()) {
Timber.i("Created directory %s", dir)
} else {
Timber.w("Failed to create directory %s", dir)
return false
}
}
if (!dir.canRead()) {
Timber.w("No read permission for directory %s", dir)
return false
}
if (!dir.canWrite()) {
Timber.w("No write permission for directory %s", dir)
return false
}
return true
}
/**
* Makes a given filename safe by replacing special characters like slashes ("/" and "\")
* with dashes ("-").
*
* @param filename The filename in question.
* @return The filename with special characters replaced by hyphens.
*/
private fun fileSystemSafe(filename: String): String {
var filename = filename
if (filename == null || filename.trim { it <= ' ' }.isEmpty()) {
return "unnamed"
}
for (s in FILE_SYSTEM_UNSAFE) {
filename = filename.replace(s, "-")
}
return filename
}
/**
* Makes a given filename safe by replacing special characters like colons (":")
* with dashes ("-").
*
* @param path The path of the directory in question.
* @return The the directory name with special characters replaced by hyphens.
*/
private fun fileSystemSafeDir(path: String?): String? {
var path = path
if (path == null || path.trim { it <= ' ' }.isEmpty()) {
return ""
}
for (s in FILE_SYSTEM_UNSAFE_DIR) {
path = path!!.replace(s, "-")
}
return path
}
/**
* Similar to [File.listFiles], but returns a sorted set.
* Never returns `null`, instead a warning is logged, and an empty set is returned.
*/
@JvmStatic
fun listFiles(dir: File): SortedSet<File> {
val files = dir.listFiles()
if (files == null) {
Timber.w("Failed to list children for %s", dir.path)
return TreeSet()
}
return TreeSet(Arrays.asList(*files))
}
fun listMediaFiles(dir: File): SortedSet<File> {
val files = listFiles(dir)
val iterator = files.iterator()
while (iterator.hasNext()) {
val file = iterator.next()
if (!file.isDirectory && !isMediaFile(file)) {
iterator.remove()
}
}
return files
}
private fun isMediaFile(file: File): Boolean {
val extension = getExtension(file.name)
return MUSIC_FILE_EXTENSIONS.contains(extension) || VIDEO_FILE_EXTENSIONS.contains(extension)
}
fun isPlaylistFile(file: File): Boolean {
val extension = getExtension(file.name)
return PLAYLIST_FILE_EXTENSIONS.contains(extension)
}
/**
* Returns the extension (the substring after the last dot) of the given file. The dot
* is not included in the returned extension.
*
* @param name The filename in question.
* @return The extension, or an empty string if no extension is found.
*/
fun getExtension(name: String): String {
val index = name.lastIndexOf('.')
return if (index == -1) "" else name.substring(index + 1).toLowerCase()
}
/**
* Returns the base name (the substring before the last dot) of the given file. The dot
* is not included in the returned basename.
*
* @param name The filename in question.
* @return The base name, or an empty string if no basename is found.
*/
fun getBaseName(name: String): String {
val index = name.lastIndexOf('.')
return if (index == -1) name else name.substring(0, index)
}
/**
* Returns the file name of a .partial file of the given file.
*
* @param name The filename in question.
* @return The .partial file name
*/
fun getPartialFile(name: String): String {
return String.format("%s.partial.%s", getBaseName(name), getExtension(name))
}
/**
* Returns the file name of a .complete file of the given file.
*
* @param name The filename in question.
* @return The .complete file name
*/
fun getCompleteFile(name: String): String {
return String.format("%s.complete.%s", getBaseName(name), getExtension(name))
}
@JvmStatic
fun <T : Serializable?> serialize(context: Context, obj: T, fileName: String?): Boolean {
val file = File(context.cacheDir, fileName)
var out: ObjectOutputStream? = null
return try {
out = ObjectOutputStream(FileOutputStream(file))
out.writeObject(obj)
Timber.i("Serialized object to %s", file)
true
} catch (x: Throwable) {
Timber.w("Failed to serialize object to %s", file)
false
} finally {
close(out)
}
}
@JvmStatic
fun <T : Serializable?> deserialize(context: Context, fileName: String?): T? {
val file = File(context.cacheDir, fileName)
if (!file.exists() || !file.isFile) {
return null
}
var `in`: ObjectInputStream? = null
return try {
`in` = ObjectInputStream(FileInputStream(file))
val `object` = `in`.readObject()
val result = `object` as T
Timber.i("Deserialized object from %s", file)
result
} catch (x: Throwable) {
Timber.w(x, "Failed to deserialize object from %s", file)
null
} finally {
close(`in`)
}
}
}

2
ultrasonic/src/main/kotlin/org/moire/ultrasonic/activity/NavigationActivity.kt
View File

@ -306,7 +306,7 @@ class NavigationActivity : AppCompatActivity() {
val editor = preferences.edit()
editor.putString(
Constants.PREFERENCES_KEY_CACHE_LOCATION,
FileUtil.getDefaultMusicDirectory().path
FileUtil.defaultMusicDirectory.path
)
editor.apply()
}

4
ultrasonic/src/main/kotlin/org/moire/ultrasonic/log/FileLoggerTree.kt
View File

@ -94,7 +94,7 @@ class FileLoggerTree : Timber.DebugTree() {
if (next) fileNum++
file = File(
FileUtil.getUltrasonicDirectory(),
FileUtil.ultrasonicDirectory,
FILENAME.replace("*", fileNum.toString())
)
}
@ -162,7 +162,7 @@ class FileLoggerTree : Timber.DebugTree() {
}
private fun getLogFileList(): Array<out File>? {
val directory = FileUtil.getUltrasonicDirectory()
val directory = FileUtil.ultrasonicDirectory
return directory.listFiles { t -> t.name.matches(fileNameRegex) }
}
}

8
ultrasonic/src/main/kotlin/org/moire/ultrasonic/service/OfflineMusicService.kt
View File

@ -52,7 +52,7 @@ class OfflineMusicService : MusicService, KoinComponent {
override fun getIndexes(musicFolderId: String?, refresh: Boolean): List<Index> {
val indexes: MutableList<Index> = ArrayList()
val root = FileUtil.getMusicDirectory()
val root = FileUtil.musicDirectory
for (file in FileUtil.listFiles(root)) {
if (file.isDirectory) {
val index = Index(file.path)
@ -121,7 +121,7 @@ class OfflineMusicService : MusicService, KoinComponent {
val artists: MutableList<Artist> = ArrayList()
val albums: MutableList<MusicDirectory.Entry> = ArrayList()
val songs: MutableList<MusicDirectory.Entry> = ArrayList()
val root = FileUtil.getMusicDirectory()
val root = FileUtil.musicDirectory
var closeness: Int
for (artistFile in FileUtil.listFiles(root)) {
val artistName = artistFile.name
@ -250,7 +250,7 @@ class OfflineMusicService : MusicService, KoinComponent {
}
override fun getRandomSongs(size: Int): MusicDirectory {
val root = FileUtil.getMusicDirectory()
val root = FileUtil.musicDirectory
val children: MutableList<File> = LinkedList()
listFilesRecursively(root, children)
val result = MusicDirectory()
@ -503,7 +503,7 @@ class OfflineMusicService : MusicService, KoinComponent {
entry.isDirectory = file.isDirectory
entry.parent = file.parent
entry.size = file.length()
val root = FileUtil.getMusicDirectory().path
val root = FileUtil.musicDirectory.path
entry.path = file.path.replaceFirst(
String.format(Locale.ROOT, "^%s/", root).toRegex(), ""
)

2
ultrasonic/src/main/kotlin/org/moire/ultrasonic/subsonic/ImageLoaderProvider.kt
View File

@ -51,7 +51,7 @@ class ImageLoaderProvider(val context: Context) : KoinComponent {
ImageLoaderConfig(
Util.getMaxDisplayMetric(),
defaultSize,
FileUtil.getAlbumArtDirectory()
FileUtil.albumArtDirectory
)
}
}

2
ultrasonic/src/main/kotlin/org/moire/ultrasonic/util/SubsonicUncaughtExceptionHandler.kt
View File

@ -20,7 +20,7 @@ class SubsonicUncaughtExceptionHandler(
var printWriter: PrintWriter? = null
try {
file = File(FileUtil.getUltrasonicDirectory(), STACKTRACE_NAME)
file = File(FileUtil.ultrasonicDirectory, STACKTRACE_NAME)
printWriter = PrintWriter(file)
val logMessage = String.format(
"Android API level: %s\nUltrasonic version name: %s\n" +