I have not worked with Spring.net much, just sampled AOP (very nice stuff) and read bits of the documentation for other Spring.net features; I would have a use for this BindingManager technique, but I am not sure about the handling for collections
some sample code
// binding manager
public class SimpleBindingManager : Spring.DataBinding.BaseBindingManager
{}
// entity and entity dto
public class Person
{
public string FirstName = String.Empty;
public string LastName = String.Empty;
public List<Person> Childern = new List<Person>();
}
public class PersonDto
{
public string ThisFirstName = String.Empty;
public string LastName = String.Empty;
public List<Person> Childern = new List<Person>();
public List<PersonDto> ChildernDtos = new List<PersonDto>();
}
// test code
[Test]
public void Test1()
{
// test source to target
// where property names are the same and different
PersonDto dto = new PersonDto();
Person person = new Person();
person.FirstName = "Joe";
person.LastName = "Smith";
manager.BindSourceToTarget(person, dto, null);
Assert.AreEqual("Smith", dto.LastName);
Assert.AreEqual("Joe", dto.ThisFirstName);
}
[Test]
public void Test2()
{
// test copy of a generic list
// where the data type is the same
manager.AddBinding("Childern", "Childern");
PersonDto dto = new PersonDto();
Person person = new Person();
Person child = null;
person.FirstName = "Joe";
person.LastName = "Smith";
child = new Person();
child.FirstName = "Jr";
child.LastName = "Smith";
person.Childern.Add(child);
manager.BindSourceToTarget(person, dto, null);
Assert.AreEqual(1, dto.Childern.Count);
Assert.AreEqual("Jr", dto.Childern[0].FirstName);
}
[Test]
public void Test3()
{
// test copy generic list where the data type differs
manager.AddBinding("Childern", "ChildernDtos");
PersonDto dto = new PersonDto();
Person person = new Person();
Person child = null;
person.FirstName = "Joe";
person.LastName = "Smith";
child = new Person();
child.FirstName = "Jr";
child.LastName = "Smith";
person.Childern.Add(child);
// fails with Spring.Objects.TypeMismatchException
manager.BindSourceToTarget(person, dto, null);
Assert.AreEqual(1, dto.ChildernDtos.Count);
Assert.AreEqual("Smith", dto.ChildernDtos[0].LastName);
}
tests 1 and 2 work fine
test 3 fails with
UnitTests.Class1.Test3 : Spring.Objects.TypeMismatchException : Cannot convert property value of type [System.Collections.Generic.List`1[[ObjectBindingTest.Person, ObjectBindingTest, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]]] to required type [System.Collections.Generic.List`1[[ObjectBindingTest.PersonDto, ObjectBindingTest, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]]] for property 'ChildernDtos'.
----> System.ArgumentException : The value "ObjectBindingTest.Person" is not of type "ObjectBindingTest.PersonDto" and cannot be used in this generic collection.
Parameter name: value
this makes sense - but is there a way to accomplish this by modifying
manager.AddBinding("Childern", "ChildernDtos");
Thanks for any help!
.