org.databene.commons.converter.ArrayElementExtractor Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of databene-commons Show documentation
Show all versions of databene-commons Show documentation
'databene commons' is an open source Java library by Volker Bergmann.
It provides extensions to the Java core library by utility classes, abstract concepts
and concrete implementations.
/*
* 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 org.databene.commons.converter;
import org.databene.commons.ArrayUtil;
import org.databene.commons.ConversionException;
/**
* Retrieves the value at a given array index from an array.
* Created at 30.06.2009 18:02:10
* @param the component type of the arrays to process
* @since 0.5.0
* @author Volker Bergmann
*/
public class ArrayElementExtractor extends ThreadSafeConverter{
private int index;
@SuppressWarnings("unchecked")
public ArrayElementExtractor(Class componentType, int index) {
super(ArrayUtil.arrayType(componentType), componentType);
this.index = index;
}
@Override
public E convert(E[] sourceValue) throws ConversionException {
return sourceValue[index];
}
}