org.onebusaway.csv_entities.schema.EntitySchemaFactoryHelper Maven / Gradle / Ivy

Go to download
/**
 * 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.csv_entities.schema;

import java.lang.reflect.Field;

import org.onebusaway.csv_entities.exceptions.NoSuchPropertyException;
import org.onebusaway.csv_entities.schema.beans.CsvEntityMappingBean;
import org.onebusaway.csv_entities.schema.beans.CsvFieldMappingBean;

public class EntitySchemaFactoryHelper {

  private DefaultEntitySchemaFactory _factory;

  public EntitySchemaFactoryHelper(DefaultEntitySchemaFactory factory) {
    _factory = factory;
  }

  public CsvEntityMappingBean addEntity(Class entityClass) {
    CsvEntityMappingBean bean = new CsvEntityMappingBean(entityClass);
    _factory.addBean(bean);
    return bean;
  }

  public CsvEntityMappingBean addEntity(Class entityClass, String filename) {
    CsvEntityMappingBean bean = addEntity(entityClass);
    bean.setFilename(filename);
    return bean;
  }

  public CsvEntityMappingBean addEntity(Class entityClass, String filename, String prefix) {
    CsvEntityMappingBean bean = addEntity(entityClass, filename);
    bean.setPrefix(prefix);
    return bean;
  }

  public CsvFieldMappingBean addField(CsvEntityMappingBean entityBean, String fieldName) {
    Class entityClass = entityBean.getType();
    try {
      Field field = entityClass.getDeclaredField(fieldName);
      CsvFieldMappingBean fieldBean = new CsvFieldMappingBean(field);
      entityBean.addField(fieldBean);
      return fieldBean;
    } catch (Exception ex) {
      throw new NoSuchPropertyException(entityClass, fieldName,ex);
    }
  }
  
  public CsvFieldMappingBean[] addFields(CsvEntityMappingBean entityBean, String... fieldNames){
    CsvFieldMappingBean[] fields = new CsvFieldMappingBean[fieldNames.length];
    for( int i=0; i