package org.mongodb.morphia.converters;
import org.mongodb.morphia.mapping.MappedField;
import org.mongodb.morphia.utils.ReflectionUtils;
import java.util.List;
/**
* @author Uwe Schaefer, (us@thomas-daily.de)
* @author scotthernandez
*/
public class BooleanConverter extends TypeConverter implements SimpleValueConverter {
/**
* Creates the Converter.
*/
public BooleanConverter() {
super(boolean.class, Boolean.class, boolean[].class, Boolean[].class);
}
@Override
public Object decode(final Class targetClass, final Object val, final MappedField optionalExtraInfo) {
if (val == null) {
return null;
}
if (val instanceof Boolean) {
return val;
}
//handle the case for things like the ok field
if (val instanceof Number) {
return ((Number) val).intValue() != 0;
}
if (val instanceof List) {
final Class<?> type = targetClass.isArray() ? targetClass.getComponentType() : targetClass;
return ReflectionUtils.convertToArray(type, (List<?>) val);
}
return Boolean.parseBoolean(val.toString());
}
}