Mar 23, 2023 · You can use @Mapping(target = "prop1", expression = "java(null)") to achieve that. You can find more information about expression in the reference guide here.

May 11, 2024 · Learn how to set fields based on conditions when mapping between Java bean types with MapStruct.

If a source bean property equals null the target bean property will be set to its default value.

Learn how to effectively set a null value for a target object in MapStruct during mapping operations. Get insights, code examples, and best practices.

Oct 10, 2017 · I am trying to map nested properties using mapstruct 1.2.0.CR2. (Example map customer.address.houseNumber to userDTO.homeDTO.addressDTO.houseNo).. Expectation …

Dec 22, 2023 · Apply conditional mapping for attributes between Java bean types with MapStruct. Explore controlled mapping in your projects.

Sep 2, 2021 · Use the nullValueCheckStrategy = NullValueCheckStrategy.ALWAYS on the mapping property you want to be checked. In the following snippet you can see a …

Apr 8, 2024 · We use MappingConstants.NULL to set the null value to the target. It’s also used to indicate null input. Here is the test to check null mapping:

Dec 22, 2021 · Starting from 1.5.0.Beta2 you can control beans / collections separately. Have a look at the NullValueMappingStrategy for maps / collections for the separate control and …

Any properties of the target type which are mapped via Mapping.expression() or Mapping.constant() will be populated based on the given expression or constant. Note that …