本文整理汇总了Java中com.sun.nio.file.ExtendedCopyOption类的典型用法代码示例。如果您正苦于以下问题：Java ExtendedCopyOption类的具体用法？Java ExtendedCopyOption怎么用？Java ExtendedCopyOption使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
ExtendedCopyOption类属于com.sun.nio.file包，在下文中一共展示了ExtendedCopyOption类的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: fromCopyOptions
import com.sun.nio.file.ExtendedCopyOption; //导入依赖的package包/类
static Flags fromCopyOptions(CopyOption... options) {
Flags flags = new Flags();
flags.followLinks = true;
for (CopyOption option: options) {
if (option == StandardCopyOption.REPLACE_EXISTING) {
flags.replaceExisting = true;
continue;
}
if (option == LinkOption.NOFOLLOW_LINKS) {
flags.followLinks = false;
continue;
}
if (option == StandardCopyOption.COPY_ATTRIBUTES) {
// copy all attributes but only fail if basic attributes
// cannot be copied
flags.copyBasicAttributes = true;
flags.copyPosixAttributes = true;
flags.copyNonPosixAttributes = true;
flags.failIfUnableToCopyBasic = true;
continue;
}
if (option == ExtendedCopyOption.INTERRUPTIBLE) {
flags.interruptible = true;
continue;
}
if (option == null)
throw new NullPointerException();
throw new UnsupportedOperationException("Unsupported copy option");
}
return flags;
}
示例2: doTest
import com.sun.nio.file.ExtendedCopyOption; //导入依赖的package包/类
static void doTest(Path dir) throws Exception {
final Path source = dir.resolve("foo");
final Path target = dir.resolve("bar");
// create source file (don't create it as sparse file because we
// require the copy to take a long time)
System.out.println("Creating source file...");
byte[] buf = new byte[32*1024];
long total = 0;
try (OutputStream out = Files.newOutputStream(source)) {
do {
out.write(buf);
total += buf.length;
} while (total < FILE_SIZE_TO_COPY);
}
System.out.println("Source file created.");
ScheduledExecutorService pool =
Executors.newSingleThreadScheduledExecutor();
try {
// copy source to target in main thread, interrupting it after a delay
final Thread me = Thread.currentThread();
Future<?> wakeup = pool.schedule(new Runnable() {
public void run() {
me.interrupt();
}}, DELAY_IN_MS, TimeUnit.MILLISECONDS);
System.out.println("Copying file...");
try {
long start = System.currentTimeMillis();
Files.copy(source, target, ExtendedCopyOption.INTERRUPTIBLE);
long duration = System.currentTimeMillis() - start;
if (duration > DURATION_MAX_IN_MS)
throw new RuntimeException("Copy was not interrupted");
} catch (IOException e) {
boolean interrupted = Thread.interrupted();
if (!interrupted)
throw new RuntimeException("Interrupt status was not set");
System.out.println("Copy failed (this is expected)");
}
try {
wakeup.get();
} catch (InterruptedException ignore) { }
Thread.interrupted();
// copy source to target via task in thread pool, interrupting it after
// a delay using cancel(true)
Future<Void> result = pool.submit(new Callable<Void>() {
public Void call() throws IOException {
System.out.println("Copying file...");
Files.copy(source, target, ExtendedCopyOption.INTERRUPTIBLE,
StandardCopyOption.REPLACE_EXISTING);
return null;
}
});
Thread.sleep(DELAY_IN_MS);
boolean cancelled = result.cancel(true);
if (!cancelled)
result.get();
System.out.println("Copy cancelled.");
} finally {
pool.shutdown();
}
}