89 lines
2.9 KiB
Java
89 lines
2.9 KiB
Java
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/*
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Copyright 2019-2020 Dmitry Isaenko
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This file is part of NS-USBloader.
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NS-USBloader is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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NS-USBloader is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with NS-USBloader. If not, see <https://www.gnu.org/licenses/>.
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*/
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package nsusbloader.Utilities.WindowsDrivers;
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import javafx.concurrent.Task;
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import java.io.*;
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import java.net.URL;
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public class DownloadDriversTask extends Task<String> {
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private static final String driverFileLocationURL = "https://github.com/developersu/NS-Drivers/releases/download/v1.0/Drivers_set.exe";
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private static final long driversFileSize = 3857375;
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private static File driversInstallerFile;
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@Override
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protected String call() {
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if (isDriversDownloaded())
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return driversInstallerFile.getAbsolutePath();
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if (downloadDrivers())
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return driversInstallerFile.getAbsolutePath();
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return null;
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}
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private boolean isDriversDownloaded(){
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return driversInstallerFile != null && driversInstallerFile.length() == driversFileSize;
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}
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private boolean downloadDrivers(){
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try {
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File tmpDirectory = File.createTempFile("nsul", null);
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if (! tmpDirectory.delete())
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return false;
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if (! tmpDirectory.mkdirs())
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return false;
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tmpDirectory.deleteOnExit();
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URL url = new URL(driverFileLocationURL);
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BufferedInputStream bis = new BufferedInputStream(url.openStream());
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driversInstallerFile = new File(tmpDirectory, "drivers.exe");
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FileOutputStream fos = new FileOutputStream(driversInstallerFile);
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byte[] dataBuffer = new byte[1024];
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int bytesRead;
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double totalRead = 0;
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while ((bytesRead = bis.read(dataBuffer, 0, 1024)) != -1) {
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fos.write(dataBuffer, 0, bytesRead);
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totalRead += bytesRead;
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updateProgress(totalRead, driversFileSize);
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if (this.isCancelled()) {
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bis.close();
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fos.close();
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updateProgress(0, 0);
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return false;
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}
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}
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bis.close();
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fos.close();
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return true;
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}
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catch (IOException | SecurityException e){
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updateMessage("Error: "+e.toString().replaceAll(":.*$", ""));
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e.printStackTrace();
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return false;
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}
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}
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}
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