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Nomin is a mapping engine for the Java platform. It provides abilities to transform object trees according to declarative mapping rules. Main features of Nomin are no XML configuration, intuitively looking mapping, using arbitrary expressions and method invocations in mappings, pre and postprocessing right in a mapping listing, customizations. It's applicable for any Java compatible classes, not only JavaBeans.

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package org.nomin.core.preprocessing;

import org.apache.commons.beanutils.ConvertUtils;

/**
 * Converts a value using ConvertUtils.
 * @author Dmitry Dobrynin
 *         Created 28.04.2010 15:41:32
 */
public class ConvertUtilsPreprocessing extends Preprocessing {
    private Class targetClass;

    public ConvertUtilsPreprocessing(Class targetClass) { this.targetClass = targetClass; }

    public Object preprocess(Object source) {
        return source != null ? ConvertUtils.convert(source, targetClass) : null;
    }
}