any tool for java object to object mapping

Question

I am trying to convert DO to DTO using java and looking for automated tool before start writing my own  I just wanted to know if there any free tool available for the same

User · Accepted Answer

You could try Dozer      Dozer is a Java Bean to Java Bean   mapper that recursively copies data   from one object to another  Typically    these Java Beans will be of different   complex types       Dozer supports simple property   mapping  complex type mapping    bi-directional mapping    implicit-explicit mapping  as well as   recursive mapping  This includes   mapping collection attributes that   also need mapping at the element   level

User · Answer

Use Apache commons beanutils      static void copyProperties Object dest  Object orig     -Copy property values from the origin bean to the destination bean for all   cases where the property names are the   same    http   commons apache org proper commons-beanutils

User · Answer

There are some libraries around there    Commons-BeanUtils  ConvertUtils -  Utility methods for converting String scalar values to objects of the specified Class  String arrays to arrays of the specified Class   Commons-Lang  ArrayUtils -  Operations on arrays  primitive arrays  like int    and primitive wrapper arrays  like Integer       Spring framework  Spring has an excellent support for PropertyEditors  that can also be used to transform Objects to from Strings  Dozer  Dozer is a powerful  yet simple Java Bean to Java Bean mapper that recursively copies data from one object to another  Typically  these Java Beans will be of different complex types   ModelMapper  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  MapStruct  MapStruct is a compile-time code generator for bean mappings  resulting in fast  no usage of reflection or similar   dependency-less and type-safe mapping code at runtime  Orika  Orika uses byte code generation to create fast mappers with minimal overhead  Selma  Compile-time code-generator for mappings JMapper  Bean mapper generation using Annotation  XML or API  seems dead  last updated 2 years ago  Smooks  The Smooks JavaBean Cartridge allows you to create and populate Java objects from your message data  i e  bind data to   suggested by superfilin in comments    No longer under active development  Commons-Convert  Commons-Convert aims to provide a single library dedicated to the task of converting an object of one type to another  The first stage will focus on Object to String and String to Object conversions   seems dead  last update 2010  Transmorph  Transmorph is a free java library used to convert a Java object of one type into an object of another type  with another signature  possibly parameterized    seems dead  last update 2013  EZMorph  EZMorph is simple java library for transforming an Object to another Object  It supports transformations for primitives and Objects  for multidimensional arrays and transformations with DynaBeans   seems dead  last updated 2008  Morph  Morph is a Java framework that eases the internal interoperability of an application  As information flows through an application  it undergoes multiple transformations  Morph provides a standard way to implement these transformations   seems dead  last update 2008  Lorentz  Lorentz is a generic object-to-object conversion framework  It provides a simple API to convert a Java objects of one type into an object of another type   seems dead  OTOM  With OTOM  you can copy any data from any object to any other object  The possibilities are endless  Welcome to  Autumn    seems dead

User · Answer

You can also try mapping framework based on Dozer  but with Excel mapping declaration  They ve got some tools and additional cool features   Check at http   openl-tablets sf net mapper

User · Answer

Another one is Orika - https   github com orika-mapper orika  Orika is a Java Bean mapping framework that recursively copies  among other capabilities  data from one object to another  It can be very useful when developing multi-layered applications  Orika focuses on automating as much as possible  while providing customization through configuration and extension where needed  Orika enables the developer to    Map complex and deeply structured objects  quot Flatten quot  or  quot Expand quot  objects by mapping nested properties to top-level properties  and vice versa Create mappers on-the-fly  and apply customizations to control some or all of the mapping Create converters for complete control over the mapping of a specific set of objects anywhere in the object graph--by type  or even by specific property name Handle proxies or enhanced objects  like those of Hibernate  or the various mock frameworks  Apply bi-directional mapping with one configuration Map to instances of an appropriate concrete class for a target abstract class or interface Handle reverse mappings Handle complex conventions beyond JavaBean specs   Orika uses byte code generation to create fast mappers with minimal overhead

User · Answer

I suggest you try JMapper Framework   It is a Java bean to Java bean mapper  allows you to perform the passage of data dynamically with annotations and   or XML   With JMapper you can    Create and enrich target objects Apply a specific logic to the mapping Automatically manage the XML file Implement the 1 to N and N to 1 relationships Implement explicit conversions Apply inherited configurations

User · Answer

There is one more Java mapping engine framework Nomin  http   nomin sourceforge net

User · Answer

ModelMapper is another library worth checking out  ModelMapper s design is different from other libraries in that it    Automatically maps object models by intelligently matching source and destination properties Provides a refactoring safe mapping API that uses actual code to map fields and methods rather than using strings Utilizes convention based configuration for simple handling of custom scenarios   Check out the ModelMapper site for more info   http   modelmapper org

User · Answer

I m happy to add Moo as an option  although clearly I m biased towards it  http   geoffreywiseman github com Moo   It s very easy to use for simple cases  reasonable capable for more complex cases  although there are still some areas where I can imagine enhancing it for even further complexities

[java] any tool for java object to object mapping?

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