public void downloadAndExtract(String name, Terminal terminal) throws IOException {
if (name == null && url == null) {
throw new IllegalArgumentException("plugin name or url must be supplied with install.");
}
if (!Files.exists(environment.pluginsFile())) {
terminal.println(
"Plugins directory [%s] does not exist. Creating...", environment.pluginsFile());
Files.createDirectory(environment.pluginsFile());
}
if (!Environment.isWritable(environment.pluginsFile())) {
throw new IOException("plugin directory " + environment.pluginsFile() + " is read only");
}
PluginHandle pluginHandle;
if (name != null) {
pluginHandle = PluginHandle.parse(name);
checkForForbiddenName(pluginHandle.name);
} else {
// if we have no name but url, use temporary name that will be overwritten later
pluginHandle = new PluginHandle("temp_name" + new Random().nextInt(), null, null);
}
Path pluginFile = download(pluginHandle, terminal);
extract(pluginHandle, terminal, pluginFile);
}
public static Path createDirectory(Path dir) {
try {
if (!Files.exists(dir)) {
return Files.createDirectory(dir);
} else {
return null;
}
} catch (Exception ex) {
return Exceptions.handle(Path.class, ex);
}
}
public static Path createChildDirectory(Path parentDir, String childDir) {
try {
final Path newDir = path(parentDir.toString(), childDir);
if (!Files.exists(newDir)) {
Files.createDirectory(newDir);
}
return newDir;
} catch (Exception ex) {
return Exceptions.handle(Path.class, ex);
}
}
/** Check that deleting a registered directory causes the key to be cancelled and queued. */
static void testAutomaticCancel(Path dir) throws IOException {
System.out.println("-- Automatic Cancel --");
Path subdir = Files.createDirectory(dir.resolve("bar"));
try (WatchService watcher = FileSystems.getDefault().newWatchService()) {
System.out.format("register %s for events\n", subdir);
WatchKey myKey =
subdir.register(
watcher, new WatchEvent.Kind<?>[] {ENTRY_CREATE, ENTRY_DELETE, ENTRY_MODIFY});
System.out.format("delete: %s\n", subdir);
Files.delete(subdir);
takeExpectedKey(watcher, myKey);
System.out.println("reset key");
if (myKey.reset()) throw new RuntimeException("Key was not cancelled");
if (myKey.isValid()) throw new RuntimeException("Key is still valid");
System.out.println("OKAY");
}
}
public void cnpStart(Path quellOrdner, Path zielOrdner) {
try {
DirectoryStream<Path> qstream = Files.newDirectoryStream(quellOrdner);
for (Path qfile : qstream) {
Path target = Paths.get(zielOrdner.toString() + "/" + qfile.getFileName());
if (abbruch) break;
if (Files.isDirectory(qfile) && !Files.exists(target)) {
Files.createDirectory(target);
textArea.append("Verzeichnis: " + qfile + " wurde erstellt" + System.lineSeparator());
cnpStart(
Paths.get(quellOrdner.toString() + "/" + qfile.getFileName()),
Paths.get(zielOrdner.toString() + "/" + qfile.getFileName()));
} else if (Files.isDirectory(qfile) && Files.exists(target)) {
textArea.append("Wechsle in Verzeichnis: " + qfile + System.lineSeparator());
cnpStart(
Paths.get(quellOrdner.toString() + "/" + qfile.getFileName()),
Paths.get(zielOrdner.toString() + "/" + qfile.getFileName()));
}
// Wenn die Datei noch nicht existiert
else if (!Files.exists(target)) {
textArea.append(
"Datei " + target.toString() + " wurde erstellt" + System.lineSeparator());
Files.copy(qfile, target, StandardCopyOption.REPLACE_EXISTING);
}
// Wenn Datei im Zielverzeichnis schon existiert
else if (Files.exists(target)) {
if (cAUeSchr) {
textArea.append(
"Datei "
+ target.toString()
+ " wird absolut überschrieben"
+ System.lineSeparator());
Files.copy(qfile, target, StandardCopyOption.REPLACE_EXISTING);
} else if (cUeSchr) {
if (checkAlter(
Paths.get(quellOrdner.toString() + "/" + qfile.getFileName()),
Paths.get(zielOrdner.toString() + "/" + qfile.getFileName()))) {
textArea.append(
target.toString()
+ " wird mit neuer Datei überschrieben"
+ System.lineSeparator());
Files.copy(qfile, target, StandardCopyOption.REPLACE_EXISTING);
} else {
textArea.append(
target.toString() + " alte Datei bleibt bestehen" + System.lineSeparator());
}
} else
textArea.append(
target.toString() + " alte Datei bleibt bestehen" + System.lineSeparator());
}
pbCounter++;
progressBar.setValue(pbCounter);
}
qstream.close();
} catch (IOException e) {
e.printStackTrace();
}
}