org.nomin.core.preprocessing.DynamicPreprocessing Maven / Gradle / Ivy
package org.nomin.core.preprocessing;
import org.apache.commons.beanutils.ConvertUtils;
import org.nomin.NominMapper;
import org.nomin.core.*;
import org.nomin.util.TypeInfo;
/**
* Chooses and applies appropriate preprocessing depending on a value.
* @author Dmitry Dobrynin
* Created: 12.05.2010 23:40:05
*/
public class DynamicPreprocessing extends Preprocessing {
private TypeInfo typeInfo;
private NominMapper mapper;
private MappingCase mappingCase;
public DynamicPreprocessing(TypeInfo typeInfo, NominMapper mapper, MappingCase mappingCase) {
this.typeInfo = typeInfo;
this.mapper = mapper;
this.mappingCase = mappingCase;
}
public Object preprocess(Object source) {
Class targetClass = typeInfo.determineTypeDynamically(source);
if (source == null || targetClass.isInstance(source)) return source;
if (ConvertUtils.lookup(source.getClass(), targetClass) != null) return ConvertUtils.convert(source, targetClass);
return mapper.map(source, targetClass, mappingCase.get());
}
}