I am using MapStruct to map values from a source to a target class. The source class has a String property and the target class has a java.util.Date property. The source property is like this: "yyyy-mm-dd". And I want to convert this String property to a Date property. How can I do that using MapStruct? Thank you!
MapStruct takes care of String
to Date
conversions automatically. If you need to specify format of your date you can do it like this:
@Mapping(target = "date", dateFormat = "yyyy-MM-dd")
Destination map(Source source);
Where target = "date"
is the name of your property. You can find more about this in MapStruct documentation .
From the official guide , if you have multiple dates, you can use this:
public class DateMapper {
public String asString(Date date) {
return date != null ? new SimpleDateFormat( "yyyy-MM-dd" )
.format( date ) : null;
}
public Date asDate(String date) {
try {
return date != null ? new SimpleDateFormat( "yyyy-MM-dd" )
.parse( date ) : null;
}
catch ( ParseException e ) {
throw new RuntimeException( e );
}
}
}
And after in your mapper:
@Mapper(uses=DateMapper.class)
public interface CarMapper {
CarDto carToCarDto(Car car);
}
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