/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.metron.common.field.transformation;

import org.apache.metron.common.utils.ReflectionUtils;

public enum FieldTransformations {
  IP_PROTOCOL(new IPProtocolTransformation())
  ,REMOVE(new RemoveTransformation())
  ,STELLAR(new StellarTransformation())
  ,SELECT(new SelectTransformation())
  ,RENAME(new RenameTransformation())
  ,REGEX_SELECT(new RegexSelectTransformation())
  ;
  FieldTransformation mapping;
  FieldTransformations(FieldTransformation mapping) {
    this.mapping = mapping;
  }

  /**
   * Gets a {@link FieldTransformation} based on the provided mapping.
   *
   * @param mapping The name of the mapping to pull
   * @return The field transformation associated with the mapping
   */
  public static FieldTransformation get(String mapping) {
    try {
      return FieldTransformations.valueOf(mapping).mapping;
    }
    catch(Exception ex) {
      return ReflectionUtils.createInstance(mapping);
    }
  }

  public Class<? extends FieldTransformation> getMappingClass() {
    return mapping.getClass();
  }
}
