content: /*
   * Copyright (c) 2017, Andreas Fagschlunger. All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   *   - Redistributions of source code must retain the above copyright
   *     notice, this list of conditions and the following disclaimer.
   *
   *   - Redistributions in binary form must reproduce the above copyright
   *     notice, this list of conditions and the following disclaimer in the
   *     documentation and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
   * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
   * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
   * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
   * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
   * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  package at.o2xfs.xfs.util;
  
  import java.util.EnumSet;
  import java.util.Set;
  
  import at.o2xfs.common.Assert;
  import at.o2xfs.log.Logger;
  import at.o2xfs.log.LoggerFactory;
  import at.o2xfs.win32.NumberType;
  import at.o2xfs.xfs.XfsConstant;
  
  public class XfsConstants {
  
  	private static final Logger LOG = LoggerFactory.getLogger(XfsConstants.class);
  
  	public static final <E extends Enum<E> & XfsConstant> E valueOf(final NumberType<?> value, final Class<E> xfsConstantType) {
  		if (value == null) {
  			throw new IllegalArgumentException("value must not be null");
  		}
  		return XfsConstants.valueOf(value.longValue(), xfsConstantType);
  	}
  
  	public static final <E extends Enum<E> & XfsConstant> E valueOf(final long value, final Class<E> xfsConstantType) {
  		if (xfsConstantType == null) {
  			throw new IllegalArgumentException("xfsConstantType must not be null");
  		}
  		for (final E e : xfsConstantType.getEnumConstants()) {
  			if (e.getValue() == value) {
  				return e;
  			}
  		}
  		if (LOG.isDebugEnabled()) {
  			final String method = "valueOf(long, Class<E>)";
  			LOG.debug(method, "Undefined " + xfsConstantType.getName() + " constant: " + value);
  		}
  		return null;
  	}
  
  	@Deprecated
  	public static final <E extends Enum<E> & XfsConstant> Set<E> of(final NumberType<?> value, final Class<E> xfsConstantType) {
  		if (value == null) {
  			throw new IllegalArgumentException("value must not be null");
  		}
  		return of(value.longValue(), xfsConstantType);
  	}
  
  	@Deprecated
  	public static final <E extends Enum<E> & XfsConstant> Set<E> of(final long value, final Class<E> type) {
  		Assert.notNull(type);
  		final EnumSet<E> enumSet = EnumSet.noneOf(type);
  		for (final E e : type.getEnumConstants()) {
  			final long eValue = e.getValue();
  			if (eValue == 0L) {
  				continue;
  			}
  			if ((eValue & value) == eValue) {
  				enumSet.add(e);
  			}
  		}
  		return enumSet;
  	}
  }