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'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.

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/*
 * 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.BeanUtil;
import com.rapiddweller.common.ConversionException;
import com.rapiddweller.common.Converter;

import java.lang.reflect.Constructor;

/**
 * {@link Converter} implementation which invokes a constructor of the target class
 * with the source object as argument.
 * Created: 27.02.2010 06:57:40
 *
 * @param  the object type to convert from
 * @param  the object type to convert to
 * @author Volker Bergmann
 * @since 0.5.0
 */
public class ConstructorInvoker extends ThreadSafeConverter {

  /**
   * The Constructor.
   */
  Constructor constructor;

  /**
   * Instantiates a new Constructor invoker.
   *
   * @param sourceType  the source type
   * @param constructor the constructor
   */
  public ConstructorInvoker(Class sourceType, Constructor constructor) {
    super(sourceType, constructor.getDeclaringClass());
    this.constructor = constructor;
  }

  @Override
  public T convert(S sourceValue) throws ConversionException {
    return BeanUtil.newInstance(constructor, sourceValue);
  }

}