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Security data model and data layer security.

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package org.molgenis.data.security;

import org.molgenis.data.meta.AttributeType;
import org.molgenis.data.meta.model.EntityType;
import org.molgenis.util.UnexpectedEnumException;

/** @see EntityIdentity */
public class EntityIdentityUtils {
  private static final String TYPE_PREFIX = "entity";

  private EntityIdentityUtils() {}

  /** Returns the domain object type for the given entity type. */
  public static String toType(EntityType entityType) {
    return toType(entityType.getId());
  }

  /** Returns the domain object type for the given entity type identifier. */
  public static String toType(String entityTypeId) {
    return TYPE_PREFIX + '-' + entityTypeId;
  }

  /** Returns the domain object identifier type (e.g. String or Long) for the given entity type. */
  public static Class toIdType(EntityType entityType) {
    AttributeType attributeType = entityType.getIdAttribute().getDataType();
    //noinspection EnumSwitchStatementWhichMissesCases
    switch (attributeType) {
      case EMAIL:
      case HYPERLINK:
      case STRING:
        return String.class;
      case INT:
        return Integer.class;
      case LONG:
        return Long.class;
      default:
        throw new UnexpectedEnumException(attributeType);
    }
  }
}