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How to use MapStruct?

While writing this tutorial i used below technologies:

  • Java 11.0.2
  • Maven 3
  • junit-jupiter 5.6.2
  • MapStruct 1.3.1.Final

Editor: Eclipse IDE for Enterprise Java Developers

Plese follow below steps to use MapStruct in maven project.

Steps:

  • Add the mapstruct library as a dependency in pom file
<dependency>
    <groupId>org.mapstruct</groupId>
    <artifactId>mapstruct</artifactId>
    <version>1.3.1.Final</version>
</dependency>
  • Add mapstruct-processor in pom file:
<build>
    <plugins>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-compiler-plugin</artifactId>
            <version>3.6.2</version>
            <configuration>
                <source>11</source>
                <target>11</target>
                <annotationProcessorPaths>
                    <path>
                        <groupId>org.mapstruct</groupId>
                        <artifactId>mapstruct-processor</artifactId>
                        <version>1.3.1.Final</version>
                    </path>
                </annotationProcessorPaths>
            </configuration>
        </plugin>
    </plugins>
</build>

  • Install M2E plug-in in eclipse.

  • In eclipse go to "Preferences" → "Maven" → "Annotation Processing" and select "Automatically configure JDT APT".

Check some more configuration

You can check sample project from Examples.