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.Row;
  import java.util.HashMap;
  import java.util.Map;
  import java.util.Objects;
  import javax.xml.bind.Unmarshaller;
  import javax.xml.bind.annotation.XmlAccessType;
  import javax.xml.bind.annotation.XmlAccessorType;
  import javax.xml.bind.annotation.XmlRootElement;
  import javax.xml.bind.annotation.XmlTransient;
  
  /**
   *
   * @author airhacks.com
   */
  @XmlRootElement(name = "javascript-row-transformer")
  @XmlAccessorType(XmlAccessType.FIELD)
  public class NashornRowTransformer extends RowTransformation {
  
      private String scriptName;
      private String baseScriptFolder;
      @XmlTransient
      private FunctionScriptLoader loader;
      @XmlTransient
      private RowTransformer rowTransformer;
  
      public NashornRowTransformer() {
      }
  
      public NashornRowTransformer(String baseScriptFolder, String scriptName) {
          this.scriptName = scriptName;
          this.baseScriptFolder = baseScriptFolder;
          init(new HashMap<>());
      }
  
      @Override
      public void init(Map<String, Object> scriptEngineBindings) {
          this.loader = FunctionScriptLoader.create(this.baseScriptFolder, scriptEngineBindings);
          this.rowTransformer = this.loader.getRowTransformer(this.scriptName);
      }
  
      void afterUnmarshal(Unmarshaller umarshaller, Object parent) {
          System.out.println("afterUnmarschal called: " + toString());
      }
  
      public void setBaseScriptFolder(String baseScriptFolder) {
          this.baseScriptFolder = baseScriptFolder;
      }
  
      @Override
      public Row execute(Row input) {
          return this.rowTransformer.execute(input);
      }
  
      @Override
      public int hashCode() {
          int hash = 5;
          hash = 37 * hash + Objects.hashCode(this.scriptName);
          hash = 37 * hash + Objects.hashCode(this.baseScriptFolder);
          return hash;
      }
  
      @Override
      public boolean equals(Object obj) {
          if (obj == null) {
              return false;
          }
          if (getClass() != obj.getClass()) {
              return false;
          }
          final NashornRowTransformer other = (NashornRowTransformer) obj;
          if (!Objects.equals(this.scriptName, other.scriptName)) {
              return false;
          }
          if (!Objects.equals(this.baseScriptFolder, other.baseScriptFolder)) {
              return false;
          }
          return true;
      }
  
      @Override
      public String toString() {
          return "NashornRowTransformer{" + "scriptName=" + scriptName + ", baseScriptFolder=" + baseScriptFolder + ", loader=" + loader + ", rowTransformer=" + rowTransformer + '}';
      }
  
  }
  