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Questions tagged [modelmapper]

An intelligent object mapping framework that automatically maps objects to each other.

ModelMapper is an intelligent object mapping framework that automatically maps objects to each other. It uses a convention based approach to map objects while providing a simple refactoring safe API for handling specific use cases.

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Will ModelMapper create intermediate objects?

From the example in the documentation... map().customer.setName(source.getPerson().firstName); If "customer" does not exist (is null) will ModelMapper create a new Customer object and setCustomer automatically, or do I have to create it beforehand?
user244277
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Web Api ViewModel to DTO to ViewModel

I am starting a new Web API project and trying to still grasp the concepts of DTO / View Model.I know for a fact that your DTOs should only hold data and any required business rules should be performed on the DTO before finally it gets to the…
Murtaza Mandvi
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Custom mappings using ModelMapper library in managed beans results in NullPointerException

I get NullPointerException when I try to add mappings by creating my custom mapper in some container-managed objects. I tried it in @Stateless EJB service and @RequestScoped rest service. The error is similar and occurs in…
Ziemo
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ModelMapper: how to map this json to Java?

I am attempting to use ModelMapper to map the following json as explained here http://modelmapper.org/user-manual/gson-integration/ but I am getting a NullPointerException and I can't figure what is wrong. Any tips please? {"a": "aaa", "b": [{"c":…
dmz73
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Verify test(s) exist for any source/destination mapped types

My understanding of "best practices" when using an automatic mapping tool like ModelMapper is to have unit tests for any source->destination map that occurs in your code, to be sure the mapping is doing what you expect. Is there any code…
Pete
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Mapping validation property paths using bean mappers like ModelMapper, Orika or Dozer

Given that a bean mapper is used to map a Business Modell of into a DTO model and vice versa: Which one do provide easy ways to convert property paths? Lets say my business logic reports that "person.street.number" is mandatory and now I want tell…
bentolor
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Copy Only String properties from one object to another

I was working with dozer and I had a special scenario which I think dozer doesn't support. Suppose I have a class with different type of properties like String,Ingeger and other primitive types. Now I want to copy only string property from this…
Priyank Doshi
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How can i create two different map methods with ModelMapper for the same Source and Destination

Let's say i have the following classes class User { private String name: private Address address; // getters and setters } class UserDto { private String name: private Address address; // getters and setters } I already have…
Hassen Gaaya
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Need to Map incoming column to different field in model class

I am receiving jpa object from db using springboot and mapping it to model but the column name in model is different than the one coming from database. I tried to setter to set the value of model field from the incoming database attribute but the…
Sunil Yadav
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Map List < Object > to List < ObjectSrv >

I want to Map List < City > to List < CitySrv > in the service layer but i dont have any idea how to do that. the City srv that i want to Map: (srv = server response value) @Getter @Setter @SuperBuilder @NoArgsConstructor @AllArgsConstructor …
Sajjad Serajzadeh
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What is the best way to convert entity to dto? For Spring REST API Application

I created an abstract class to generate the list of entities or dto using modelmapper in the inheriting class. Do you have any suggestions for a better way? For each class we need to create the toDTO and toEntity methods public abstract class…
Luca De Salve
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When DTO has @NotNull, Mapping with ModelMapper does not throw exception?

My problem is that I have got a dto called PhoneBillPaymentDTO which has a field phoneNumber annotated with @NotNull. When I map this dto that has null phone number with ModelMapper to PhoneBillPayment Entity, it does not throw exception. How can I…
HiIamAnil
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Mapping object's related entities by other field than ID

I am using the following entities: @Entity @Table(name = "books") public class Book { @Id @GeneratedValue(strategy = GenerationType.IDENTITY) private Integer id; @ManyToOne private User user; private UUID uuid =…
wojtek1902
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CrudRepository not fetching Required List, instead Seeing PersistentBag Error

I have a simple RestController that returns a User Object after making calls to the DB by extending org.springframework.data.repository.PagingAndSortingRepository Interface. The Challenge now is when I make this call for UserObject, addresses return…
nwabudo
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