package istlab.KisoJikken;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.nio.channels.Channels;
import java.nio.channels.FileChannel;
import java.nio.channels.ReadableByteChannel;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.security.CodeSource;
import java.security.ProtectionDomain;
import javax.swing.JOptionPane;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import org.eclipse.jgit.api.Git;
import org.eclipse.jgit.api.errors.GitAPIException;
/**
* Hello world!
*/
public class App {
public static String userhome;
public static String userhome_escaped;
public static String nwp = File.separator + "NWP";
public static String nwpsrc = File.separator + "NWP" + File.separator + "src";
public static String gitrepos = "https://git.istlab.info/git/miura250/NWP.git";
public static String latestVersion;
public static Path execPath;
public static String downloadurl = "https://cit.istlab.info/KisoJikkenNWP/target/";
public static boolean isWindows;
static {
userhome = System.getProperty("user.home");
userhome_escaped = App.userhome.replaceAll("\\\\", "\\\\\\\\"); // なんじゃこの意味不明なエスケープは
// https://stackoverflow.com/questions/1701839/string-replaceall-single-backslashes-with-double-backslashes
String os = System.getProperty("os.name").toLowerCase();
isWindows = os.contains("windows");
}
// public App() {
// }
public static void main(String[] args) {
try {
App.execPath = getApplicationPath(new App().getClass());
} catch (URISyntaxException e) {
e.printStackTrace();
}
// 最新版かどうかチェック
if (!isLatest()) {
System.out.println("Different! " + latestVersion + " from " + execPath.getFileName().toString());
String pathfile = download();
if (pathfile != null) {
int res = JOptionPane.showConfirmDialog(null, "最新版をダウンロードしました。最新版を起動しますか？", "アプリ更新",
JOptionPane.YES_NO_OPTION);
if (res == JOptionPane.YES_OPTION) {
reboot(pathfile);
}
}
}
// ファイルがあるかチェック
getNWPifnotexist(false);
SwingUtilities.invokeLater(() -> {
try {
String laf = UIManager.getSystemLookAndFeelClassName();
// System.out.println(laf);
// Linuxの場合
if (laf.endsWith("GTKLookAndFeel"))
laf = "javax.swing.plaf.metal.MetalLookAndFeel";
UIManager.setLookAndFeel(laf);
} catch (Exception e) {
/* Never happens */ }
new Launcher(args).setVisible(true);
});
}
public static Path getApplicationPath(Class<?> cls) throws URISyntaxException {
ProtectionDomain pd = cls.getProtectionDomain();
CodeSource cs = pd.getCodeSource();
URL location = cs.getLocation();
URI uri = location.toURI();
Path path = Paths.get(uri);
return path;
}
public static boolean isLatest() {
// 最初に、ダウンロードサイトから最新版の情報を得る
// 更新があれば、ダウンロードし、ファイルを表示する。
StringBuilder sb = new StringBuilder();
latestVersion = null;
try {
URL url = new URL(downloadurl);
InputStream is = url.openConnection().getInputStream();
BufferedReader reader = new BufferedReader(new InputStreamReader(is));
String line = null;
while ((line = reader.readLine()) != null) {
if (latestVersion == null) {
latestVersion = line.trim();
System.out.println(line);
}
sb.append(line + "\n");
}
reader.close();
} catch (Exception ex) {
}
// System.out.println(sb.toString());
// 同じかどうかチェック
// System.out.println("[" + latestVersion + "]");
// System.out.println("=" + execPath.getFileName() + "=");
if (execPath.getFileName().toString().equals("classes"))
return true;
return latestVersion.equals(execPath.getFileName().toString());
}
// ダウンロードして実行パーミッションをつける
public static String download() {
try {
URL url = new URL(downloadurl + "/" + latestVersion);
ReadableByteChannel readableByteChannel = Channels.newChannel(url.openStream());
FileOutputStream fileOutputStream = new FileOutputStream(latestVersion);
FileChannel fileChannel = fileOutputStream.getChannel();
fileOutputStream.getChannel().transferFrom(readableByteChannel, 0, Long.MAX_VALUE);
fileChannel.close();
fileOutputStream.close();
File execjar = new File(execPath.getParent().toString() + File.separator + latestVersion);
execjar.setExecutable(true);
return execjar.getAbsolutePath();
} catch (Exception ex) {
} finally {
}
return null;
}
public static void reboot(String pathfile) {
String com;
ProcessBuilder processBuilder;
if (App.isWindows) {
pathfile = pathfile.replaceAll("\\\\", "\\\\\\\\");
com = "java -jar " + new File(pathfile).getName();
processBuilder = new ProcessBuilder("cmd", "/c", com);
} else {
com = "sleep 1 ; java -jar " + pathfile;
processBuilder = new ProcessBuilder("bash", "-c", com);
}
System.out.println(com);
try {
processBuilder.start();
} catch (Exception ex) {
}
Thread t = new Thread(Launcher.theapp);
t.start();
}
// public static void reboot(String pathfile) {
// String com = "sleep 2 ; java -jar " + pathfile;
// System.out.println(com);
// ProcessBuilder processBuilder = new ProcessBuilder("bash", "-c", com);
// try {
// processBuilder.start();
// System.exit(0);
// } catch (Exception ex) {
// }
// }
public static void getNWPifnotexist(boolean showMessageIfExist) {
if (Files.notExists(Paths.get(userhome + nwpsrc))) {
int res = JOptionPane.showConfirmDialog(Launcher.theapp,
"NWP実験用のファイルが " + userhome + nwpsrc + " にありません。ダウンロードしますか？");
if (res == JOptionPane.YES_OPTION) {
// JGitをもちいる
try {
Git git = Git.cloneRepository()
.setURI(gitrepos)
.setDirectory(new File(userhome + nwp))
.call();
} catch (GitAPIException e) {
JOptionPane.showMessageDialog(Launcher.theapp, "NWP実験用ファイルのダウンロード失敗しました。\n\n講義中であれば、教員を呼んでください。");
e.printStackTrace();
}
// System.out.println("cd ; git clone " + gitrepos + " を実行。");
// ProcessBuilder processBuilder = new ProcessBuilder("git", "clone", gitrepos);
// processBuilder.directory(new File(userhome));
// processBuilder.inheritIO();
// try {
// Process process;
// process = processBuilder.start();
// process.waitFor();
// } catch (IOException | InterruptedException e1) {
// e1.printStackTrace();
// }
} else {
System.out.println("cd ; git clone " + gitrepos + " を実行してください。");
System.exit(0);
}
} else {
if (showMessageIfExist)
JOptionPane.showMessageDialog(Launcher.theapp,
"NWP実験用のファイルが " + userhome + nwpsrc + " にすでにあるため、ダウンロードをキャンセルしました。");
}
}
}
