1599

pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>com.mycompany</groupId>
    <artifactId>MapStruct1599</artifactId>
    <version>1.0-SNAPSHOT</version>

    <dependencies>

        <dependency>
            <groupId>org.mapstruct</groupId>
            <artifactId>mapstruct</artifactId>
            <version>1.2.0.Final</version>
        </dependency>

        <dependency>
            <groupId>org.mapstruct</groupId>
            <artifactId>mapstruct-processor</artifactId>
            <version>1.2.0.Final</version>
            <scope>provided</scope>
        </dependency>

        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>org.assertj</groupId>
            <artifactId>assertj-core</artifactId>
            <version>3.10.0</version>
            <scope>test</scope>
        </dependency>

    </dependencies>

    <build>
        <pluginManagement>
            <plugins>
                <plugin>
                    <groupId>org.apache.maven.plugins</groupId>
                    <artifactId>maven-compiler-plugin</artifactId>
                    <version>3.0</version>
                    <configuration>
                        <source>1.8</source>
                        <target>1.8</target>
                    </configuration>
                </plugin>
            </plugins>
        </pluginManagement>
    </build>

</project>

src_main_java_org_mapstruct_ap_test_bugs_User.java

package org.mapstruct.ap.test.bugs;

public class User {

    private boolean extraData;

    public boolean isExtraData() {
        return extraData;
    }

    public void setExtraData(boolean extraData) {
        this.extraData = extraData;
    }
}

src_main_java_org_mapstruct_ap_test_bugs_UserDto.java

package org.mapstruct.ap.test.bugs;

public class UserDto {

    private boolean standardData;

    public boolean isStandardData() {
        return standardData;
    }

    public void setStandardData(boolean standardData) {
        this.standardData = standardData;
    }
}

src_main_java_org_mapstruct_ap_test_bugs_UserMapper.java

package org.mapstruct.ap.test.bugs;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

import org.mapstruct.Mapper;
import org.mapstruct.Mapping;
import org.mapstruct.Mappings;
import org.mapstruct.Qualifier;
import org.mapstruct.factory.Mappers;

@Mapper()
public interface UserMapper {

    UserMapper INSTANCE = Mappers.getMapper( UserMapper.class );

    @Mappings({
        @Mapping(source = "extraData", target = "standardData", qualifiedBy = Reverse.class),
    })
    abstract UserDto map(User user);

    @Qualifier
    @Target(ElementType.METHOD)
    @Retention(RetentionPolicy.SOURCE)
    @interface Reverse { }

    @Reverse
    default boolean reverse(boolean input) {
        return !input; 
    }
}

src_test_java_org_mapstruct_ap_test_bugs_Issue1599Test.java

/*
 * 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.test.bugs;

import org.junit.Test;

import static org.assertj.core.api.Assertions.assertThat;

public class Issue1599Test {

    @Test
    public void shouldGenerateCorrectMapping() {

        User user = new User();
        user.setExtraData( false );

        UserDto target = UserMapper.INSTANCE.map( user );

        assertThat( target ).isNotNull();
        assertThat( target.isStandardData() ).isTrue();
    }
}