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.in.Row;
  import java.util.Map;
  import javax.script.Bindings;
  import javax.script.ScriptEngineManager;
  
  /**
   *
   * @author airhacks.com
   */
  public class ScriptingEnvironmentProvider {
  
      public static Bindings create(ScriptEngineManager scriptEngineManager, Map<String, Object> scriptEngineBindings, Row input) {
          Bindings bindings = scriptEngineManager.getBindings();
          bindings.put("$ROW", input);
          final Row emptyRow = new Row();
          bindings.put("$EMPTY", emptyRow);
          bindings.put("$MEMORY", input.getMemory());
          input.getColumns().forEach(c -> bindings.put(c.getName(), c));
          if (scriptEngineBindings != null) {
              bindings.putAll(scriptEngineBindings);
          }
          return bindings;
      }
  }
  