content: 
  package com.airhacks.enhydrator.transform;
  
  /*
   * #%L
   * enhydrator
   * %%
   * Copyright (C) 2014 Adam Bien
   * %%
   * 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.
   * #L%
   */
  
  
  import com.airhacks.enhydrator.flexpipe.RowTransformation;
  import com.airhacks.enhydrator.in.Column;
  import com.airhacks.enhydrator.in.Row;
  import java.util.HashMap;
  import java.util.Map;
  import java.util.Objects;
  import javax.xml.bind.annotation.XmlAccessType;
  import javax.xml.bind.annotation.XmlAccessorType;
  import javax.xml.bind.annotation.XmlRootElement;
  
  @XmlRootElement(name = "name-mapper")
  @XmlAccessorType(XmlAccessType.FIELD)
  public class NameMapper extends RowTransformation {
  
      Map<String, String> mappings;
  
      public NameMapper() {
          this.mappings = new HashMap<>();
      }
  
      @Override
      public Row execute(Row row) {
          if (row == null) {
              return null;
          }
          this.mappings.entrySet().forEach(e -> changeName(row.getColumnByName(e.getKey()), e.getValue()));
          return row;
      }
  
      void changeName(Column column, String name) {
          if (column == null) {
              return;
          }
          column.setName(name);
      }
  
      @Override
      public int hashCode() {
          int hash = 5;
          hash = 89 * hash + Objects.hashCode(this.mappings);
          return hash;
      }
  
      @Override
      public boolean equals(Object obj) {
          if (obj == null) {
              return false;
          }
          if (getClass() != obj.getClass()) {
              return false;
          }
          final NameMapper other = (NameMapper)obj;
          if (!Objects.equals(this.mappings, other.mappings)) {
              return false;
          }
          return true;
      }
  
  
  }
  