org.unlaxer.util.copy.OptionalAdpater Maven / Gradle / Ivy

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package org.unlaxer.util.copy;

import java.util.Optional;

import javax.xml.bind.annotation.adapters.XmlAdapter;

public abstract class OptionalAdpater extends XmlAdapter> {

    @Override
    public Optional unmarshal(T value) throws Exception {
        return Optional.of(value);
    }

    @Override
    public T marshal(Optional optionalInstancce) throws Exception {
        if (optionalInstancce == null) { 
            return null;
        }

        return optionalInstancce.isPresent() ? optionalInstancce.get() : null;
    }
    
}