*
   * @param stripes the minimum number of stripes (locks) required
   * @return a new {@code Striped<Lock>}
   */
  public static Striped<Lock> lazyWeakLock(int stripes) {
    return lazy(stripes, () -> new ReentrantLock(false));
  }

  private static <L> Striped<L> lazy(int stripes, Supplier<L> supplier) {
    return stripes < LARGE_LAZY_CUTOFF
        ? new SmallLazyStriped<L>(stripes, supplier)

    EAGER {
      @Override
      Striped<Lock> get(int stripes) {
        return Striped.lock(stripes);
      }
    },
    LAZY_SMALL {
      @Override
      Striped<Lock> get(int stripes) {
        return new Striped.SmallLazyStriped<>(stripes, LOCK_SUPPLIER);
      }
    },
    LAZY_LARGE {
      @Override
      Striped<Lock> get(int stripes) {
        return new Striped.LargeLazyStriped<>(stripes, LOCK_SUPPLIER);

    EAGER {
      @Override
      Striped<Lock> get(int stripes) {
        return Striped.lock(stripes);
      }
    },
    LAZY_SMALL {
      @Override
      Striped<Lock> get(int stripes) {
        return new Striped.SmallLazyStriped<>(stripes, LOCK_SUPPLIER);
      }
    },
    LAZY_LARGE {
      @Override
      Striped<Lock> get(int stripes) {
        return new Striped.LargeLazyStriped<>(stripes, LOCK_SUPPLIER);

    for (Striped<?> striped : allImplementations()) {
      assertBasicInvariants(striped);
    }
  }

  private static void assertBasicInvariants(Striped<?> striped) {
    Set<Object> observed = Sets.newIdentityHashSet(); // for the sake of weakly referenced locks.
    // this gets the stripes with #getAt(index)
    for (int i = 0; i < striped.size(); i++) {
      Object object = striped.getAt(i);
      assertNotNull(object);

    for (Striped<?> striped : allImplementations()) {
      assertBasicInvariants(striped);
    }
  }

  private static void assertBasicInvariants(Striped<?> striped) {
    Set<Object> observed = Sets.newIdentityHashSet(); // for the sake of weakly referenced locks.
    // this gets the stripes with #getAt(index)
    for (int i = 0; i < striped.size(); i++) {
      Object object = striped.getAt(i);
      assertNotNull(object);

ease}@media (prefers-reduced-motion:reduce){.progress-bar{transition:none}}.progress-bar-striped{background-image:linear-gradient(45deg,rgba(255,255,255,.15) 25%,transparent 25%,transparent 50%,rgba(255,255,255,.15) 50%,rgba(255,255,255,.15) 75%,transparent 75%,transparent);background-size:1rem 1rem}.progress-bar-animated{-webkit-animation:progress-bar-stripes 1s linear infinite;animation:progress-bar-stripes 1s linear infinite}@media (prefers-reduced-motion:reduce){.progress-bar-animated{-webkit...

ease}@media (prefers-reduced-motion:reduce){.progress-bar{transition:none}}.progress-bar-striped{background-image:linear-gradient(45deg,rgba(255,255,255,.15) 25%,transparent 25%,transparent 50%,rgba(255,255,255,.15) 50%,rgba(255,255,255,.15) 75%,transparent 75%,transparent);background-size:1rem 1rem}.progress-bar-animated{-webkit-animation:progress-bar-stripes 1s linear infinite;animation:progress-bar-stripes 1s linear infinite}@media (prefers-reduced-motion:reduce){.progress-bar-animated{-webkit...

 *
 * @author Kevin Bourrillion
 * @since 3.0
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public final class Strings {
  private Strings() {}

  /**
   * Returns the given string if it is non-null; the empty string otherwise.
   *
   * @param string the string to test and possibly return

import org.slf4j.LoggerFactory;

import jcifs.Configuration;
import jcifs.RuntimeCIFSException;


/**
 * @author mbechler
 *
 */
public final class Strings {

    private static final Logger log = LoggerFactory.getLogger(Strings.class);

    private static final Charset UNI_ENCODING = Charset.forName("UTF-16LE");
    private static final Charset ASCII_ENCODING = Charset.forName("US-ASCII");

 *
 * @author Kevin Bourrillion
 * @since 3.0
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public final class Strings {
  private Strings() {}

  /**
   * Returns the given string if it is non-null; the empty string otherwise.
   *
   * @param string the string to test and possibly return