All Downloads are FREE. Search and download functionalities are using the official Maven repository.

com.rapiddweller.common.converter.CommaSeparatedListConverter Maven / Gradle / Ivy

Go to download

'rapiddweller Common' is an open source Java library forked from Databene Commons by Volker Bergmann. It provides extensions to the Java core library by utility classes, abstract concepts and concrete implementations.

There is a newer version: 2.0.1-jdk-11
Show newest version
/*
 * Copyright (C) 2004-2015 Volker Bergmann ([email protected]).
 * All rights reserved.
 *
 * 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 com.rapiddweller.common.converter;

import com.rapiddweller.common.ArrayFormat;
import com.rapiddweller.common.ArrayUtil;
import com.rapiddweller.common.ConversionException;
import com.rapiddweller.common.Converter;

/**
 * Converts a {@link String} with a comma-separated list to an array.
 * Created: 27.02.2010 12:13:49
 *
 * @param  the object type to convert to
 * @author Volker Bergmann
 * @since 0.5.0
 */
public class CommaSeparatedListConverter extends ConverterWrapper implements Converter {

  private final Class targetComponentType;
  private final Class targetType;

  /**
   * Instantiates a new Comma separated list converter.
   *
   * @param targetComponentType the target component type
   */
  @SuppressWarnings("unchecked")
  protected CommaSeparatedListConverter(Class targetComponentType) {
    super(ConverterManager.getInstance().createConverter(String.class, targetComponentType));
    this.targetComponentType = targetComponentType;
    this.targetType = ArrayUtil.arrayType(targetComponentType);
  }

  @Override
  public Object convert(String sourceValue) throws ConversionException {
    return ConverterManager.convertAll(ArrayFormat.parse(sourceValue, ",", String.class), realConverter, targetComponentType);
  }

  @Override
  public Class getSourceType() {
    return String.class;
  }

  @Override
  @SuppressWarnings({"unchecked", "rawtypes"})
  public Class getTargetType() {
    return (Class) targetType;
  }

}