minetest/build/android/app/src/main/java/net/minetest/minetest/CopyZipTask.java

83 lines
2.4 KiB
Java

/*
Minetest
Copyright (C) 2014-2020 MoNTE48, Maksim Gamarnik <MoNTE48@mail.ua>
Copyright (C) 2014-2020 ubulem, Bektur Mambetov <berkut87@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package net.minetest.minetest;
import android.content.Context;
import android.content.Intent;
import android.os.AsyncTask;
import android.util.Log;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.lang.ref.WeakReference;
public class CopyZipTask extends AsyncTask<String, Void, String> {
private final WeakReference<Context> contextRef;
CopyZipTask(Context context) {
contextRef = new WeakReference<>(context);
}
protected String doInBackground(String... params) {
copyAssets(params);
return params[0];
}
@Override
protected void onPostExecute(String result) {
startUnzipService(result);
}
private void copyAsset(String zipName) throws IOException {
String filename = zipName.substring(zipName.lastIndexOf("/") + 1);
try (InputStream in = contextRef.get().getAssets().open(filename);
OutputStream out = new FileOutputStream(zipName)) {
copyFile(in, out);
}
}
private void copyAssets(String[] zips) {
try {
for (String zipName : zips)
copyAsset(zipName);
} catch (IOException e) {
Log.e("CopyZipTask", e.getLocalizedMessage());
cancel(true);
}
}
private void copyFile(InputStream in, OutputStream out) throws IOException {
byte[] buffer = new byte[1024];
int read;
while ((read = in.read(buffer)) != -1)
out.write(buffer, 0, read);
}
private void startUnzipService(String file) {
Intent intent = new Intent(contextRef.get(), UnzipService.class);
intent.putExtra(UnzipService.EXTRA_KEY_IN_FILE, file);
contextRef.get().startService(intent);
}
}