org.mapstruct.ap.internal.conversion.PrimitiveToWrapperConversion 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 org.mapstruct.ap.internal.model.common.ConversionContext;
import org.mapstruct.ap.internal.util.NativeTypes;

/**
 * Conversion between primitive types such as {@code byte} and wrapper types
 * such as {@link Integer}.
 *
 * @author Gunnar Morling
 */
public class PrimitiveToWrapperConversion extends SimpleConversion {

    private final Class sourceType;
    private final Class targetType;

    public PrimitiveToWrapperConversion(Class sourceType, Class targetType) {
        this.sourceType = sourceType;
        this.targetType = NativeTypes.getPrimitiveType( targetType );
    }

    @Override
    public String getToExpression(ConversionContext conversionContext) {
        if ( sourceType == targetType ) {
            return "";
        }
        else {
            return "(" + targetType.getName() + ") ";
        }
    }

    @Override
    public String getFromExpression(ConversionContext conversionContext) {
        return "." + sourceType.getName() + "Value()";
    }

}