First, create a source and target model classes with a field for the string and the date respectively.
Include the MapStruct dependency in the project.
Create a map struct interface that defines the transformation method. For example:
@Mapper
public interface StringToDateMapper {
@Mappings({
@Mapping(target = "dateField", source = "stringField", dateFormat = "dd/MM/yyyy")
})
TargetModel stringToTarget(String stringField);
}
Here, the @Mapper
annotation is used to mark the interface as a mapper. The @Mappings
and @Mapping
annotations are used to define the mapping between the source and target fields. The dateFormat
attribute in the @Mapping
annotation specifies the format of the date string.
Compile the project to generate the MapStruct mapper implementation.
Use the generated mapper class to transform the string to the date. For example:
StringToDateMapper mapper = StringToDateMapper.INSTANCE;
TargetModel target = mapper.stringToTarget("01/01/2022");
Here, the stringToTarget
method is used to transform the string to the target model. The INSTANCE
field is used to access the mapper implementation.
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Asked: 2023-06-12 00:52:48 +0000
Seen: 7 times
Last updated: Jun 12 '23
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