Usage of BeanUtils property replication

1. For types of Boolean/Short/Integer/Float/Double Properties of , It will translate into 0：

demand 1： If B A field in has a value （ Not for null）, This field is not copied ; That is to say B When there is no value in this field , To copy , Suitable for B Supplementary value .
import org.apache.commons.beanutils.BeanUtilsBean;

import org.apache.commons.beanutils.PropertyUtils;

public class CopyWhenNullBeanUtilsBean extends BeanUtilsBean{

@Override

public void copyProperty(Object bean, String name, Object value)

throws IllegalAccessException, InvocationTargetException {

try {

Object destValue = PropertyUtils.getSimpleProperty(bean, name);

if (destValue == null) {

super.copyProperty(bean, name, value);

}

} catch (NoSuchMethodException e) {

throw new RuntimeException(e);

}

}

}

import org.apache.commons.beanutils.BeanUtilsBean;

public class CopyFromNotNullBeanUtilsBean extends BeanUtilsBean {

@Override

public void copyProperty(Object bean, String name, Object value) throws IllegalAccessException, InvocationTargetException {

if (value == null) {

return;

}

super.copyProperty(bean, name, value);

}

}

Special Usage ：