/// <summary>
/// Creates an instance initializing it with the specified parameters.
/// </summary>
/// <param name="provider">Application configuration provider</param>
/// <param name="constructorParams">Constructor parameters</param>
/// <param name="properties">Configuration instance properties</param>
/// <param name="instancePrefix">Application instance prefix</param>
/// <param name="instanceName">Application instance name</param>
public AppConfigurationSettings(Type provider,
ConstructorParameterSettingsCollection constructorParams = null,
PropertySettingsCollection properties = null,
string instancePrefix = null,
string instanceName = null)
{
InstancePrefix = instancePrefix;
InstanceName = instanceName;
Provider = provider;
ConstructorParameters = constructorParams ?? new ConstructorParameterSettingsCollection();
Properties = properties ?? new PropertySettingsCollection();
}
/// <summary>
/// Instantiates an object and sets its properties as provided.
/// </summary>
/// <param name="type">Type to instantiate</param>
/// <param name="constructorParams">Collection of construction parameters</param>
/// <param name="properties">Collection of properties to set up</param>
/// <returns>The newly instantiated object</returns>
public static object CreateInstance(Type type, ConstructorParameterSettingsCollection constructorParams,
PropertySettingsCollection properties)
{
// --- Create the constructor parameter array
var parameters = new object[constructorParams.Count];
for (var i = 0; i < constructorParams.Count; i++)
{
var converter = TypeDescriptor.GetConverter(constructorParams[i].Type);
parameters[i] = converter.ConvertFromString(constructorParams[i].Value);
}
// --- Instantiate the object
var tempInstance = Activator.CreateInstance(type, parameters);
InjectProperties(ref tempInstance, properties);
return tempInstance;
}
public void ContructorWithCollectionInitializerWorks()
{
// --- Act
var collection = new ConstructorParameterSettingsCollection(
new List<ConstructorParameterSettings>
{
new ConstructorParameterSettings(typeof(int), "2"),
new ConstructorParameterSettings(typeof(string), "hello")
});
// --- Assert
collection.ShouldHaveCountOf(2);
collection[0].Type.ShouldEqual(typeof (int));
collection[0].Value.ShouldEqual("2");
collection[1].Type.ShouldEqual(typeof (string));
collection[1].Value.ShouldEqual("hello");
}
public void ConstructorWorksWithXElement()
{
// --- Act
var collection1 = new ConstructorParameterSettingsCollection(
new List<ConstructorParameterSettings>
{
new ConstructorParameterSettings(typeof (int), "2"),
new ConstructorParameterSettings(typeof (string), "hello")
});
var element1 = collection1.WriteToXml("Test");
var collection2 = new ConstructorParameterSettingsCollection(element1);
// --- Assert
element1.Elements("Param").ShouldHaveCountOf(2);
collection2.ShouldHaveCountOf(2);
}
public void ConstructorWorksWithXElement()
{
// --- Act
var collection1 = new ConstructorParameterSettingsCollection(
new List <ConstructorParameterSettings>
{
new ConstructorParameterSettings(typeof(int), "2"),
new ConstructorParameterSettings(typeof(string), "hello")
});
var element1 = collection1.WriteToXml("Test");
var collection2 = new ConstructorParameterSettingsCollection(element1);
// --- Assert
element1.Elements("Param").ShouldHaveCountOf(2);
collection2.ShouldHaveCountOf(2);
}
public void ContructorWithCollectionInitializerWorks()
{
// --- Act
var collection = new ConstructorParameterSettingsCollection(
new List <ConstructorParameterSettings>
{
new ConstructorParameterSettings(typeof(int), "2"),
new ConstructorParameterSettings(typeof(string), "hello")
});
// --- Assert
collection.ShouldHaveCountOf(2);
collection[0].Type.ShouldEqual(typeof(int));
collection[0].Value.ShouldEqual("2");
collection[1].Type.ShouldEqual(typeof(string));
collection[1].Value.ShouldEqual("hello");
}
/// <summary>
/// Instantiates an object and sets its properties as provided.
/// </summary>
/// <param name="type">Type to instantiate</param>
/// <param name="constructorParams">Collection of construction parameters</param>
/// <param name="properties">Collection of properties to set up</param>
/// <returns>The newly instantiated object</returns>
public static object CreateInstance(Type type, ConstructorParameterSettingsCollection constructorParams,
PropertySettingsCollection properties)
{
// --- Create the constructor parameter array
var parameters = new object[constructorParams.Count];
for (var i = 0; i < constructorParams.Count; i++)
{
var converter = TypeDescriptor.GetConverter(constructorParams[i].Type);
parameters[i] = converter.ConvertFromString(constructorParams[i].Value);
}
// --- Instantiate the object
var tempInstance = Activator.CreateInstance(type, parameters);
InjectProperties(ref tempInstance, properties);
return(tempInstance);
}
public void CreateInstanceWithConstructorParamsWorksAsExpected()
{
// --- Arrange
var settings = new ConstructorParameterSettingsCollection(
new List <ConstructorParameterSettings>
{
new ConstructorParameterSettings(typeof(int), "12"),
new ConstructorParameterSettings(typeof(int), "23"),
}
);
// --- Act
var myPoint = ConfigurationHelper.CreateInstance(typeof(MyPoint), settings,
new PropertySettingsCollection()) as MyPoint;
// --- Assert
myPoint.ShouldNotBeNull();
// ReSharper disable PossibleNullReferenceException
myPoint.X.ShouldEqual(12);
// ReSharper restore PossibleNullReferenceException
myPoint.Y.ShouldEqual(23);
}
public void CreateInstanceWithConstructorParamsWorksAsExpected()
{
// --- Arrange
var settings = new ConstructorParameterSettingsCollection(
new List<ConstructorParameterSettings>
{
new ConstructorParameterSettings(typeof(int), "12"),
new ConstructorParameterSettings(typeof(int), "23"),
}
);
// --- Act
var myPoint = ConfigurationHelper.CreateInstance(typeof(MyPoint), settings,
new PropertySettingsCollection()) as MyPoint;
// --- Assert
myPoint.ShouldNotBeNull();
// ReSharper disable PossibleNullReferenceException
myPoint.X.ShouldEqual(12);
// ReSharper restore PossibleNullReferenceException
myPoint.Y.ShouldEqual(23);
}
/// <summary>
/// Creates a new instance of this class and initializes it from the specified XML element.
/// </summary>
/// <param name="element">XML element to initialize this instance from.</param>
public AppConfigurationSettings(XElement element)
{
ConstructorParameters = new ConstructorParameterSettingsCollection();
Properties = new PropertySettingsCollection();
ReadFromXml(element);
}
