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BeanUtils library is a Java bean copy utility with powerful functionality and high performance.
package com.tuyang.beanutils.internal.convertors;
import com.tuyang.beanutils.BeanCopyConvertor;
@SuppressWarnings("rawtypes")
public class ObjectToEnumConvertor implements BeanCopyConvertor {
private Class enumClass;
private boolean throwExceptions;
public ObjectToEnumConvertor(Class enumClass, boolean throwExceptions) {
this.enumClass = enumClass;
this.throwExceptions = throwExceptions;
}
@SuppressWarnings("unchecked")
@Override
public Enum convertTo(Object object) {
if( object == null )
return null;
if( throwExceptions ) {
return Enum.valueOf(enumClass, object.toString());
}
Enum[] enums = (Enum[])enumClass.getEnumConstants();
for( Enum enumKey : enums ) {
if( enumKey.name().equals(object.toString())) {
return enumKey;
}
}
return null;
}
}