org.mapstruct.ap.spi.ImmutablesAccessorNamingStrategy Maven / Gradle / Ivy

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An annotation processor for generating type-safe bean mappers

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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.spi;

import javax.lang.model.element.ExecutableElement;

import org.mapstruct.util.Experimental;

/**
 * Accessor naming strategy for Immutables.
 * The generated Immutables also have a from that works as a copy. Our default strategy considers this method
 * as a setter with a name {@code from}. Therefore, we are ignoring it.
 *
 * @author Filip Hrisafov
 */
@Experimental("The Immutables accessor naming strategy might change in a subsequent release")
public class ImmutablesAccessorNamingStrategy extends DefaultAccessorNamingStrategy {

    @Override
    protected boolean isFluentSetter(ExecutableElement method) {
        return super.isFluentSetter( method ) &&
            !method.getSimpleName().toString().equals( "from" ) &&
            !isPutterWithUpperCase4thCharacter( method );
    }

    private boolean isPutterWithUpperCase4thCharacter(ExecutableElement method) {
        return isPutterMethod( method ) && Character.isUpperCase( method.getSimpleName().toString().charAt( 3 ) );
    }

    public boolean isPutterMethod(ExecutableElement method) {
        String methodName = method.getSimpleName().toString();
        return methodName.startsWith( "put" ) && methodName.length() > 3;
    }

}