org.databene.commons.converter.CommaSeparatedListConverter Maven / Gradle / Ivy

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/*
 * Copyright (C) 2004-2014 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 org.databene.commons.converter;

import org.databene.commons.ArrayFormat;
import org.databene.commons.ArrayUtil;
import org.databene.commons.ConversionException;
import org.databene.commons.Converter;

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

	private Class targetComponentType;
	private Class targetType;

	@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