org.mapstruct.ap.internal.conversion.ReverseConversion Maven / Gradle / Ivy

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/*
 * Copyright MapStruct Authors.
 *
 * Licensed under the Apache License version 2.0, available at http://www.apache.org/licenses/LICENSE-2.0
 */
package org.mapstruct.ap.internal.conversion;

import java.util.Collections;
import java.util.List;
import org.mapstruct.ap.internal.model.common.Assignment;
import org.mapstruct.ap.internal.model.common.ConversionContext;
import org.mapstruct.ap.internal.model.HelperMethod;

/**
 *  * A {@link ConversionProvider} which creates the inversed conversions for a
 * given conversion provider.
 *
 * @author Gunnar Morling
 */
public class ReverseConversion implements ConversionProvider {

    private ConversionProvider conversionProvider;

    public static ReverseConversion inverse(ConversionProvider conversionProvider) {
        return new ReverseConversion( conversionProvider );
    }

    private ReverseConversion(ConversionProvider conversionProvider) {
        this.conversionProvider = conversionProvider;
    }

    @Override
    public Assignment to(ConversionContext conversionContext) {
        return conversionProvider.from( conversionContext );
    }

    @Override
    public Assignment from(ConversionContext conversionContext) {
        return conversionProvider.to( conversionContext );
    }

    @Override
    public List getRequiredHelperMethods(ConversionContext conversionContext) {
        return Collections.emptyList();
    }

}