eden-emu
/
eden
mirror of https://git.eden-emu.dev/eden-emu/eden.git
1
0
Fork 0
Code Releases Wiki Activity
Browse Source

android: Convert FileUtil to Kotlin

nce_cpp
Charles Lombardo 3 years ago
committed by bunnei
parent
35d37a1a4f
commit
b13e6c53f3
2 changed files with 292 additions and 296 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 296
      src/android/app/src/main/java/org/yuzu/yuzu_emu/utils/FileUtil.java
  2. 292
      src/android/app/src/main/java/org/yuzu/yuzu_emu/utils/FileUtil.kt

296
src/android/app/src/main/java/org/yuzu/yuzu_emu/utils/FileUtil.java
View File

@ -1,296 +0,0 @@
package org.yuzu.yuzu_emu.utils;
import android.content.ContentResolver;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.os.ParcelFileDescriptor;
import android.provider.DocumentsContract;
import androidx.annotation.Nullable;
import androidx.documentfile.provider.DocumentFile;
import org.yuzu.yuzu_emu.model.MinimalDocumentFile;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URLDecoder;
import java.util.ArrayList;
import java.util.List;
public class FileUtil {
static final String PATH_TREE = "tree";
static final String DECODE_METHOD = "UTF-8";
static final String APPLICATION_OCTET_STREAM = "application/octet-stream";
static final String TEXT_PLAIN = "text/plain";
/**
* Create a file from directory with filename.
* @param context Application context
* @param directory parent path for file.
* @param filename file display name.
* @return boolean
*/
@Nullable
public static DocumentFile createFile(Context context, String directory, String filename) {
try {
Uri directoryUri = Uri.parse(directory);
DocumentFile parent = DocumentFile.fromTreeUri(context, directoryUri);
if (parent == null) return null;
filename = URLDecoder.decode(filename, DECODE_METHOD);
String mimeType = APPLICATION_OCTET_STREAM;
if (filename.endsWith(".txt")) {
mimeType = TEXT_PLAIN;
}
DocumentFile exists = parent.findFile(filename);
if (exists != null) return exists;
return parent.createFile(mimeType, filename);
} catch (Exception e) {
Log.error("[FileUtil]: Cannot create file, error: " + e.getMessage());
}
return null;
}
/**
* Create a directory from directory with filename.
* @param context Application context
* @param directory parent path for directory.
* @param directoryName directory display name.
* @return boolean
*/
@Nullable
public static DocumentFile createDir(Context context, String directory, String directoryName) {
try {
Uri directoryUri = Uri.parse(directory);
DocumentFile parent = DocumentFile.fromTreeUri(context, directoryUri);
if (parent == null) return null;
directoryName = URLDecoder.decode(directoryName, DECODE_METHOD);
DocumentFile isExist = parent.findFile(directoryName);
if (isExist != null) return isExist;
return parent.createDirectory(directoryName);
} catch (Exception e) {
Log.error("[FileUtil]: Cannot create file, error: " + e.getMessage());
}
return null;
}
/**
* Open content uri and return file descriptor to JNI.
* @param context Application context
* @param path Native content uri path
* @param openmode will be one of "r", "r", "rw", "wa", "rwa"
* @return file descriptor
*/
public static int openContentUri(Context context, String path, String openmode) {
try {
Uri uri = Uri.parse(path);
ParcelFileDescriptor parcelFileDescriptor = context.getContentResolver().openFileDescriptor(uri, openmode);
if (parcelFileDescriptor == null) {
Log.error("[FileUtil]: Cannot get the file descriptor from uri: " + path);
return -1;
}
return parcelFileDescriptor.detachFd();
}
catch (Exception e) {
Log.error("[FileUtil]: Cannot open content uri, error: " + e.getMessage());
}
return -1;
}
/**
* Reference: https://stackoverflow.com/questions/42186820/documentfile-is-very-slow
* This function will be faster than DoucmentFile.listFiles
* @param context Application context
* @param uri Directory uri.
* @return CheapDocument lists.
*/
public static MinimalDocumentFile[] listFiles(Context context, Uri uri) {
final ContentResolver resolver = context.getContentResolver();
final String[] columns = new String[]{
DocumentsContract.Document.COLUMN_DOCUMENT_ID,
DocumentsContract.Document.COLUMN_DISPLAY_NAME,
DocumentsContract.Document.COLUMN_MIME_TYPE,
};
Cursor c = null;
final List<MinimalDocumentFile> results = new ArrayList<>();
try {
String docId;
if (isRootTreeUri(uri)) {
docId = DocumentsContract.getTreeDocumentId(uri);
} else {
docId = DocumentsContract.getDocumentId(uri);
}
final Uri childrenUri = DocumentsContract.buildChildDocumentsUriUsingTree(uri, docId);
c = resolver.query(childrenUri, columns, null, null, null);
while(c.moveToNext()) {
final String documentId = c.getString(0);
final String documentName = c.getString(1);
final String documentMimeType = c.getString(2);
final Uri documentUri = DocumentsContract.buildDocumentUriUsingTree(uri, documentId);
MinimalDocumentFile document = new MinimalDocumentFile(documentName, documentMimeType, documentUri);
results.add(document);
}
} catch (Exception e) {
Log.error("[FileUtil]: Cannot list file error: " + e.getMessage());
} finally {
closeQuietly(c);
}
return results.toArray(new MinimalDocumentFile[0]);
}
/**
* Check whether given path exists.
* @param path Native content uri path
* @return bool
*/
public static boolean Exists(Context context, String path) {
Cursor c = null;
try {
Uri mUri = Uri.parse(path);
final String[] columns = new String[] { DocumentsContract.Document.COLUMN_DOCUMENT_ID };
c = context.getContentResolver().query(mUri, columns, null, null, null);
return c.getCount() > 0;
} catch (Exception e) {
Log.info("[FileUtil] Cannot find file from given path, error: " + e.getMessage());
} finally {
closeQuietly(c);
}
return false;
}
/**
* Check whether given path is a directory
* @param path content uri path
* @return bool
*/
public static boolean isDirectory(Context context, String path) {
final ContentResolver resolver = context.getContentResolver();
final String[] columns = new String[] {
DocumentsContract.Document.COLUMN_MIME_TYPE
};
boolean isDirectory = false;
Cursor c = null;
try {
Uri mUri = Uri.parse(path);
c = resolver.query(mUri, columns, null, null, null);
c.moveToNext();
final String mimeType = c.getString(0);
isDirectory = mimeType.equals(DocumentsContract.Document.MIME_TYPE_DIR);
} catch (Exception e) {
Log.error("[FileUtil]: Cannot list files, error: " + e.getMessage());
} finally {
closeQuietly(c);
}
return isDirectory;
}
/**
* Get file display name from given path
* @param path content uri path
* @return String display name
*/
public static String getFilename(Context context, String path) {
final ContentResolver resolver = context.getContentResolver();
final String[] columns = new String[] {
DocumentsContract.Document.COLUMN_DISPLAY_NAME
};
String filename = "";
Cursor c = null;
try {
Uri mUri = Uri.parse(path);
c = resolver.query(mUri, columns, null, null, null);
c.moveToNext();
filename = c.getString(0);
} catch (Exception e) {
Log.error("[FileUtil]: Cannot get file size, error: " + e.getMessage());
} finally {
closeQuietly(c);
}
return filename;
}
public static String[] getFilesName(Context context, String path) {
Uri uri = Uri.parse(path);
List<String> files = new ArrayList<>();
for (MinimalDocumentFile file: FileUtil.listFiles(context, uri)) {
files.add(file.getFilename());
}
return files.toArray(new String[0]);
}
/**
* Get file size from given path.
* @param path content uri path
* @return long file size
*/
public static long getFileSize(Context context, String path) {
final ContentResolver resolver = context.getContentResolver();
final String[] columns = new String[] {
DocumentsContract.Document.COLUMN_SIZE
};
long size = 0;
Cursor c =null;
try {
Uri mUri = Uri.parse(path);
c = resolver.query(mUri, columns, null, null, null);
c.moveToNext();
size = c.getLong(0);
} catch (Exception e) {
Log.error("[FileUtil]: Cannot get file size, error: " + e.getMessage());
} finally {
closeQuietly(c);
}
return size;
}
public static boolean copyUriToInternalStorage(Context context, Uri sourceUri, String destinationParentPath, String destinationFilename) {
InputStream input = null;
FileOutputStream output = null;
try {
input = context.getContentResolver().openInputStream(sourceUri);
output = new FileOutputStream(destinationParentPath + "/" + destinationFilename);
byte[] buffer = new byte[1024];
int len;
while ((len = input.read(buffer)) != -1) {
output.write(buffer, 0, len);
}
output.flush();
return true;
} catch (Exception e) {
Log.error("[FileUtil]: Cannot copy file, error: " + e.getMessage());
} finally {
if (input != null) {
try {
input.close();
} catch (IOException e) {
Log.error("[FileUtil]: Cannot close input file, error: " + e.getMessage());
}
}
if (output != null) {
try {
output.close();
} catch (IOException e) {
Log.error("[FileUtil]: Cannot close output file, error: " + e.getMessage());
}
}
}
return false;
}
public static boolean isRootTreeUri(Uri uri) {
final List<String> paths = uri.getPathSegments();
return paths.size() == 2 && PATH_TREE.equals(paths.get(0));
}
public static void closeQuietly(AutoCloseable closeable) {
if (closeable != null) {
try {
closeable.close();
} catch (RuntimeException rethrown) {
throw rethrown;
} catch (Exception ignored) {
}
}
}
}

292
src/android/app/src/main/java/org/yuzu/yuzu_emu/utils/FileUtil.kt
View File

@ -0,0 +1,292 @@
package org.yuzu.yuzu_emu.utils
import android.content.Context
import android.database.Cursor
import android.net.Uri
import android.provider.DocumentsContract
import androidx.documentfile.provider.DocumentFile
import org.yuzu.yuzu_emu.model.MinimalDocumentFile
import java.io.FileOutputStream
import java.io.IOException
import java.io.InputStream
import java.net.URLDecoder
object FileUtil {
const val PATH_TREE = "tree"
const val DECODE_METHOD = "UTF-8"
const val APPLICATION_OCTET_STREAM = "application/octet-stream"
const val TEXT_PLAIN = "text/plain"
/**
* Create a file from directory with filename.
* @param context Application context
* @param directory parent path for file.
* @param filename file display name.
* @return boolean
*/
fun createFile(context: Context?, directory: String?, filename: String): DocumentFile? {
var decodedFilename = filename
try {
val directoryUri = Uri.parse(directory)
val parent = DocumentFile.fromTreeUri(context!!, directoryUri) ?: return null
decodedFilename = URLDecoder.decode(decodedFilename, DECODE_METHOD)
var mimeType = APPLICATION_OCTET_STREAM
if (decodedFilename.endsWith(".txt")) {
mimeType = TEXT_PLAIN
}
val exists = parent.findFile(decodedFilename)
return exists ?: parent.createFile(mimeType, decodedFilename)
} catch (e: Exception) {
Log.error("[FileUtil]: Cannot create file, error: " + e.message)
}
return null
}
/**
* Create a directory from directory with filename.
* @param context Application context
* @param directory parent path for directory.
* @param directoryName directory display name.
* @return boolean
*/
fun createDir(context: Context?, directory: String?, directoryName: String?): DocumentFile? {
var decodedDirectoryName = directoryName
try {
val directoryUri = Uri.parse(directory)
val parent = DocumentFile.fromTreeUri(context!!, directoryUri) ?: return null
decodedDirectoryName = URLDecoder.decode(decodedDirectoryName, DECODE_METHOD)
val isExist = parent.findFile(decodedDirectoryName)
return isExist ?: parent.createDirectory(decodedDirectoryName)
} catch (e: Exception) {
Log.error("[FileUtil]: Cannot create file, error: " + e.message)
}
return null
}
/**
* Open content uri and return file descriptor to JNI.
* @param context Application context
* @param path Native content uri path
* @param openMode will be one of "r", "r", "rw", "wa", "rwa"
* @return file descriptor
*/
@JvmStatic
fun openContentUri(context: Context, path: String, openMode: String?): Int {
try {
val uri = Uri.parse(path)
val parcelFileDescriptor = context.contentResolver.openFileDescriptor(uri, openMode!!)
if (parcelFileDescriptor == null) {
Log.error("[FileUtil]: Cannot get the file descriptor from uri: $path")
return -1
}
val fileDescriptor = parcelFileDescriptor.detachFd()
parcelFileDescriptor.close()
return fileDescriptor
} catch (e: Exception) {
Log.error("[FileUtil]: Cannot open content uri, error: " + e.message)
}
return -1
}
/**
* Reference: https://stackoverflow.com/questions/42186820/documentfile-is-very-slow
* This function will be faster than DoucmentFile.listFiles
* @param context Application context
* @param uri Directory uri.
* @return CheapDocument lists.
*/
fun listFiles(context: Context, uri: Uri): Array<MinimalDocumentFile> {
val resolver = context.contentResolver
val columns = arrayOf(
DocumentsContract.Document.COLUMN_DOCUMENT_ID,
DocumentsContract.Document.COLUMN_DISPLAY_NAME,
DocumentsContract.Document.COLUMN_MIME_TYPE
)
var c: Cursor? = null
val results: MutableList<MinimalDocumentFile> = ArrayList()
try {
val docId: String = if (isRootTreeUri(uri)) {
DocumentsContract.getTreeDocumentId(uri)
} else {
DocumentsContract.getDocumentId(uri)
}
val childrenUri = DocumentsContract.buildChildDocumentsUriUsingTree(uri, docId)
c = resolver.query(childrenUri, columns, null, null, null)
while (c!!.moveToNext()) {
val documentId = c.getString(0)
val documentName = c.getString(1)
val documentMimeType = c.getString(2)
val documentUri = DocumentsContract.buildDocumentUriUsingTree(uri, documentId)
val document = MinimalDocumentFile(documentName, documentMimeType, documentUri)
results.add(document)
}
} catch (e: Exception) {
Log.error("[FileUtil]: Cannot list file error: " + e.message)
} finally {
closeQuietly(c)
}
return results.toTypedArray()
}
/**
* Check whether given path exists.
* @param path Native content uri path
* @return bool
*/
fun exists(context: Context, path: String?): Boolean {
var c: Cursor? = null
try {
val mUri = Uri.parse(path)
val columns = arrayOf(DocumentsContract.Document.COLUMN_DOCUMENT_ID)
c = context.contentResolver.query(mUri, columns, null, null, null)
return c!!.count > 0
} catch (e: Exception) {
Log.info("[FileUtil] Cannot find file from given path, error: " + e.message)
} finally {
closeQuietly(c)
}
return false
}
/**
* Check whether given path is a directory
* @param path content uri path
* @return bool
*/
fun isDirectory(context: Context, path: String): Boolean {
val resolver = context.contentResolver
val columns = arrayOf(
DocumentsContract.Document.COLUMN_MIME_TYPE
)
var isDirectory = false
var c: Cursor? = null
try {
val mUri = Uri.parse(path)
c = resolver.query(mUri, columns, null, null, null)
c!!.moveToNext()
val mimeType = c.getString(0)
isDirectory = mimeType == DocumentsContract.Document.MIME_TYPE_DIR
} catch (e: Exception) {
Log.error("[FileUtil]: Cannot list files, error: " + e.message)
} finally {
closeQuietly(c)
}
return isDirectory
}
/**
* Get file display name from given path
* @param path content uri path
* @return String display name
*/
fun getFilename(context: Context, path: String): String {
val resolver = context.contentResolver
val columns = arrayOf(
DocumentsContract.Document.COLUMN_DISPLAY_NAME
)
var filename = ""
var c: Cursor? = null
try {
val mUri = Uri.parse(path)
c = resolver.query(mUri, columns, null, null, null)
c!!.moveToNext()
filename = c.getString(0)
} catch (e: Exception) {
Log.error("[FileUtil]: Cannot get file size, error: " + e.message)
} finally {
closeQuietly(c)
}
return filename
}
fun getFilesName(context: Context, path: String): Array<String> {
val uri = Uri.parse(path)
val files: MutableList<String> = ArrayList()
for (file in listFiles(context, uri)) {
files.add(file.filename)
}
return files.toTypedArray()
}
/**
* Get file size from given path.
* @param path content uri path
* @return long file size
*/
@JvmStatic
fun getFileSize(context: Context, path: String): Long {
val resolver = context.contentResolver
val columns = arrayOf(
DocumentsContract.Document.COLUMN_SIZE
)
var size: Long = 0
var c: Cursor? = null
try {
val mUri = Uri.parse(path)
c = resolver.query(mUri, columns, null, null, null)
c!!.moveToNext()
size = c.getLong(0)
} catch (e: Exception) {
Log.error("[FileUtil]: Cannot get file size, error: " + e.message)
} finally {
closeQuietly(c)
}
return size
}
@JvmStatic
fun copyUriToInternalStorage(
context: Context,
sourceUri: Uri?,
destinationParentPath: String,
destinationFilename: String
): Boolean {
var input: InputStream? = null
var output: FileOutputStream? = null
try {
input = context.contentResolver.openInputStream(sourceUri!!)
output = FileOutputStream("$destinationParentPath/$destinationFilename")
val buffer = ByteArray(1024)
var len: Int
while (input!!.read(buffer).also { len = it } != -1) {
output.write(buffer, 0, len)
}
output.flush()
return true
} catch (e: Exception) {
Log.error("[FileUtil]: Cannot copy file, error: " + e.message)
} finally {
if (input != null) {
try {
input.close()
} catch (e: IOException) {
Log.error("[FileUtil]: Cannot close input file, error: " + e.message)
}
}
if (output != null) {
try {
output.close()
} catch (e: IOException) {
Log.error("[FileUtil]: Cannot close output file, error: " + e.message)
}
}
}
return false
}
fun isRootTreeUri(uri: Uri): Boolean {
val paths = uri.pathSegments
return paths.size == 2 && PATH_TREE == paths[0]
}
fun closeQuietly(closeable: AutoCloseable?) {
if (closeable != null) {
try {
closeable.close()
} catch (rethrown: RuntimeException) {
throw rethrown
} catch (ignored: Exception) {
}
}
}
}
Write Preview
Loading…
Cancel
Save