org.mongodb.morphia.converters.EnumConverter Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of morphia Show documentation
Show all versions of morphia Show documentation
Java Object Document Mapper for MongoDB
The newest version!
package org.mongodb.morphia.converters;
import org.mongodb.morphia.mapping.MappedField;
/**
* @author Uwe Schaefer, ([email protected])
* @author scotthernandez
*/
public class EnumConverter extends TypeConverter implements SimpleValueConverter {
@Override
@SuppressWarnings("unchecked")
public Object decode(final Class targetClass, final Object fromDBObject, final MappedField optionalExtraInfo) {
if (fromDBObject == null) {
return null;
}
return Enum.valueOf(targetClass, fromDBObject.toString());
}
@Override
public Object encode(final Object value, final MappedField optionalExtraInfo) {
if (value == null) {
return null;
}
return getName((Enum) value);
}
@Override
protected boolean isSupported(final Class c, final MappedField optionalExtraInfo) {
return c.isEnum();
}
private String getName(final T value) {
return value.name();
}
}