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Special Java 1.8+ Library with extended JAXB support

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/**
 * Copyright (C) 2014-2015 Philip Helger (www.helger.com)
 * philip[at]helger[dot]com
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.helger.jaxb.config;

import javax.annotation.Nonnull;
import javax.xml.bind.JAXBElement;

import com.helger.commons.annotation.IsSPIImplementation;
import com.helger.commons.hashcode.HashCodeGenerator;
import com.helger.commons.hashcode.IHashCodeImplementation;
import com.helger.commons.hashcode.IHashCodeImplementationRegistrarSPI;
import com.helger.commons.hashcode.IHashCodeImplementationRegistry;

/**
 * Implementation of {@link IHashCodeImplementationRegistrarSPI} for
 * {@link JAXBElement}.
 * 
 * @author Philip Helger
 */
@IsSPIImplementation
public final class JAXBHashCodeImplementationRegistrarSPI implements IHashCodeImplementationRegistrarSPI
{
  public void registerHashCodeImplementations (@Nonnull final IHashCodeImplementationRegistry aRegistry)
  {
    // JAXBElement does not implement hashCode!
    aRegistry.registerHashCodeImplementation (JAXBElement.class, new IHashCodeImplementation ()
    {
      public int getHashCode (final Object aObj)
      {
        final JAXBElement  aRealObj = (JAXBElement ) aObj;
        return new HashCodeGenerator (aRealObj.getClass ()).append (aRealObj.getDeclaredType ())
                                                           .append (aRealObj.getName ())
                                                           .append (aRealObj.getScope ())
                                                           .append (aRealObj.isNil ())
                                                           .append (aRealObj.getValue ())
                                                           .getHashCode ();
      }
    });
  }
}