Yuito-app-android/app/src/main/java/com/keylesspalace/tusky/util/IOUtils.java

72 lines
2.1 KiB
Java

/* Copyright 2017 Andrew Dawson
*
* This file is a part of Tusky.
*
* This program 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.
*
* Tusky 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 Tusky; if not,
* see <http://www.gnu.org/licenses>. */
package com.keylesspalace.tusky.util;
import android.content.ContentResolver;
import android.net.Uri;
import androidx.annotation.Nullable;
import java.io.Closeable;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
public class IOUtils {
private static final int DEFAULT_BLOCKSIZE = 16384;
public static void closeQuietly(@Nullable Closeable stream) {
try {
if (stream != null) {
stream.close();
}
} catch (IOException e) {
// intentionally unhandled
}
}
public static boolean copyToFile(ContentResolver contentResolver, Uri uri, File file) {
InputStream from;
FileOutputStream to;
try {
from = contentResolver.openInputStream(uri);
to = new FileOutputStream(file);
} catch (FileNotFoundException e) {
return false;
}
if (from == null) {
return false;
}
byte[] chunk = new byte[DEFAULT_BLOCKSIZE];
try {
while (true) {
int bytes = from.read(chunk, 0, chunk.length);
if (bytes < 0) {
break;
}
to.write(chunk, 0, bytes);
}
} catch (IOException e) {
return false;
}
closeQuietly(from);
closeQuietly(to);
return true;
}
}