*/
public class RdmaProviderFactory {

    /**
     * Private constructor to prevent instantiation
     */
    private RdmaProviderFactory() {
        // Factory class - not instantiable
    }

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

    /**
     * Create RDMA provider based on preference string
     *

 */
public class Base64 {

    /**
     * Private constructor to prevent instantiation of this utility class.
     */
    private Base64() {
        // Utility class - not instantiable
    }

    private static final String ALPHABET = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";

    /**
     * Base-64 encodes the supplied block of data.  Line wrapping is not

        @Override
        public boolean apply(@Nullable Integer i) {
          throw new AssertionFailedError("This predicate should never have been evaluated");
        }
      };

  /** Instantiable predicate with reasonable hashCode() and equals() methods. */
  static class IsOdd implements Predicate<@Nullable Integer>, Serializable {

        () -> tester.instantiate(FactoryMethodReturnsNullAndAnnotated.class));
  }

  public void testInstantiate_factoryMethodAcceptsNull() throws Exception {
    assertThat(tester.instantiate(FactoryMethodAcceptsNull.class).name).isNull();
  }

  public void testInstantiate_factoryMethodDoesNotAcceptNull() throws Exception {
    assertThat(tester.instantiate(FactoryMethodDoesNotAcceptNull.class).name).isNotNull();

      nullPointerTester.testConstructors(cls, visibility);
    }
    nullPointerTester.testStaticMethods(cls, visibility);
    if (hasInstanceMethodToTestNulls(cls, visibility)) {
      Object instance = instantiate(cls);
      if (instance != null) {
        nullPointerTester.testInstanceMethods(instance, visibility);
      }
    }
  }

  private boolean hasInstanceMethodToTestNulls(Class<?> c, Visibility visibility) {

import org.codelibs.core.exception.IORuntimeException;

/**
 * Utility class for {@link JarURLConnection}.
 *
 * @author higa
 */
public abstract class JarURLConnectionUtil {

    /**
     * Do not instantiate.
     */
    protected JarURLConnectionUtil() {
    }

    /**
     * A method that wraps the exception handling of {@link JarURLConnection#getJarFile()}.
     *
     * @param conn

import org.codelibs.core.io.CloseableUtil;
import org.codelibs.core.io.ResourceUtil;

/**
 * Utility class for MIME types.
 *
 * @author shot
 */
public abstract class MimeTypeUtil {

    /**
     * Do not instantiate.
     */
    protected MimeTypeUtil() {
    }

    /**
     * Guesses the content type.
     *
     * @param path
     *            The path. Must not be {@literal null} or an empty string.

 *
 * @author higa
 */
public abstract class DecimalFormatSymbolsUtil {

    private static final Map<Locale, DecimalFormatSymbols> CACHE = newConcurrentHashMap();

    /**
     * Do not instantiate.
     */
    protected DecimalFormatSymbolsUtil() {
    }

    /**
     * Returns {@link DecimalFormatSymbols}.
     *
     * @return {@link DecimalFormatSymbols}
     */

 */
package org.codelibs.core.convert;

/**
 * Utility class for conversions related to {@link Boolean}.
 *
 * @author higa
 */
public abstract class BooleanConversionUtil {

    /**
     * Do not instantiate.
     */
    protected BooleanConversionUtil() {
    }

    /**
     * Converts to {@link Boolean}.
     *
     * @param o
     *            The object to convert

import java.security.SecureRandom;

import org.codelibs.core.lang.StringUtil;

/**
 * Utility for creating UUIDs.
 *
 * @author higa
 */
public abstract class UuidUtil {

    /**
     * Do not instantiate.
     */
    protected UuidUtil() {
    }

    private static final byte[] DEFAULT_ADDRESS = new byte[] { (byte) 127, (byte) 0, (byte) 0, (byte) 1 };