org.onebusaway.gtfs.serialization.mappings.AgencyIdTranslationFieldMappingFactory Maven / Gradle / Ivy

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A Java library for reading and writing General Transit Feed Spec feeds

There is a newer version: 1.3.4

/**
 * Copyright (C) 2011 Brian Ferris 
 *
 * 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.
 */
package org.onebusaway.gtfs.serialization.mappings;

import org.onebusaway.csv_entities.CsvEntityContext;
import org.onebusaway.csv_entities.schema.AbstractFieldMapping;
import org.onebusaway.csv_entities.schema.BeanWrapper;
import org.onebusaway.csv_entities.schema.EntitySchemaFactory;
import org.onebusaway.csv_entities.schema.FieldMapping;
import org.onebusaway.csv_entities.schema.FieldMappingFactory;
import org.onebusaway.gtfs.serialization.GtfsReader;
import org.onebusaway.gtfs.serialization.GtfsReaderContext;

import java.util.Map;

public class AgencyIdTranslationFieldMappingFactory implements FieldMappingFactory {

  public FieldMapping createFieldMapping(EntitySchemaFactory schemaFactory, Class entityType, String csvFieldName,
      String objFieldName, Class objFieldType, boolean required) {

    return new FieldMappingImpl(entityType, csvFieldName, objFieldName, String.class, required);
  }

  private class FieldMappingImpl extends AbstractFieldMapping {

    public FieldMappingImpl(Class entityType, String csvFieldName, String objFieldName, Class objFieldType, boolean required) {
      super(entityType, csvFieldName, objFieldName, required);
    }

    public void translateFromObjectToCSV(CsvEntityContext context, BeanWrapper object, Map csvValues) {
      csvValues.put(_csvFieldName, object.getPropertyValue(_objFieldName));
    }

    public void translateFromCSVToObject(CsvEntityContext context, Map csvValues, BeanWrapper object) {

      if (isMissingAndOptional(csvValues))
        return;

      String agencyId = (String) csvValues.get(_csvFieldName);

      GtfsReaderContext ctx = (GtfsReaderContext) context.get(GtfsReader.KEY_CONTEXT);
      agencyId = ctx.getTranslatedAgencyId(agencyId);

      object.setPropertyValue(_objFieldName, agencyId);
    }

  }
}