EnumToIntegerConverter [moved]

[jonnybbb]

This is Issue 28 moved from a Google Code project.
Added by 2010-07-15T17:37:39.000Z by [email protected].
Please review that bug for more context and additional comments, but update this bug.

Original labels: Type-Defect, Priority-Medium

Original description

Don't know whether it is generally useful but if you think so, feel free to include:

import com.pietschy.gwt.pectin.client.value.Converter;

/**
 * Converts the value of an {@link Enum} type to its {@link Enum#ordinal()} integer.
 * 
 * @param <E>
 *          the enum type
 */
public class EnumToIntegerConverter<E extends Enum<E>> implements Converter<E, Integer>
{
  private final Class<E> clazz;

  public EnumToIntegerConverter(Class<E> clazz)
  {
    this.clazz = clazz;
  }

  @Override
  public E fromSource(Integer value)
  {
    return clazz.getEnumConstants()[value];
  }

  @Override
  public Integer toSource(E value)
  {
    return value.ordinal();
  }
}