/// <summary>
/// Iterates through the properties in an object and creates a Key / Value set to allow setting properties via reflection in another object.
/// </summary>
/// <param name="toReflect">
/// Object to reflect
/// </param>
/// <param name="bindingFlags">
/// BindingFlags in GetProperties Command Defaults to Public
/// </param>
/// <returns>
/// ReflectionInfo Key / Value Set
/// </returns>
public static ReflectionInfo Funnel(
this object toReflect, BindingFlags bindingFlags = DefaultBindings)
{
var reflectType = toReflect.GetType();
var props = reflectType.GetProperties(bindingFlags);
var rInfo = new ReflectionInfo {
SourceType = reflectType
};
foreach (var prop in props)
{
rInfo.Add(prop.Name, prop.GetValue(toReflect, null));
}
return(rInfo);
}
/// <summary>
/// Maps 2D Enumerable of paired values to a Key / Value to allow setting properties via reflection in another object.
/// </summary>
/// <typeparam name="TReflected">
/// Enumerable of Enumerable of value pairs
/// </typeparam>
/// <typeparam name="TKey">
/// The Property Name selector type
/// </typeparam>
/// <typeparam name="TValue">
/// The Value selector type
/// </typeparam>
/// <param name="toMap">
/// Enumerable of value pairs
/// </param>
/// <param name="keySelector">
/// Selector for Property Name
/// </param>
/// <param name="valueSelector">
/// Selector for Value
/// </param>
/// <returns>
/// The Mapping.Extensions+ReflectionInfo.
/// </returns>
public static ReflectionInfo FunnelUsingSelector <TReflected, TKey, TValue>(
this IEnumerable <TReflected> toMap,
Func <TReflected, TKey> keySelector,
Func <TReflected, TValue> valueSelector)
{
var reflectInfo = new ReflectionInfo
{
SourceType = typeof(TReflected)
};
foreach (TReflected mapValue in toMap)
{
reflectInfo.Add(keySelector(mapValue), valueSelector(mapValue));
}
return(reflectInfo);
}
/// <summary>
/// Converts some reflection info into a Dynamic object.
/// </summary>
/// <param name="reflected">The Reflection Info object to convert to a Dynamic object.</param>
/// <returns>A dynamic object with properties corresponding to the reflection info.</returns>
public static dynamic IntoDynamic(this ReflectionInfo reflected)
{
var dynamicObject = new DynamicEntity();
foreach (var keyValuePair in reflected)
{
KeyValuePair <object, object> tempReflected = keyValuePair;
// Needs to happen or it could produce race conditions.
KeyValuePair <object, List <MappedColumn> > explicitMapping =
reflected.MappedColumns.FirstOrDefault(x => (string)x.Key == tempReflected.Key.ToString());
if (explicitMapping.Value != null)
{
foreach (MappedColumn eMapping in explicitMapping.Value)
{
if (eMapping.Converter != null)
{
if (typeof(IMappingConverter).IsAssignableFrom(eMapping.Converter))
{
var converter = (IMappingConverter)Activator.CreateInstance(eMapping.Converter);
dynamicObject[eMapping.Target] =
converter.ConversionMethod(keyValuePair.Value.ToString());
}
else
{
throw new Exception("Converter Type not a valid IMappingConverter");
}
}
else
{
dynamicObject[eMapping.Target] = keyValuePair.Value;
}
}
}
else
{
dynamicObject[keyValuePair.Key.ToString()] = keyValuePair.Value;
}
}
return(dynamicObject);
}
/// <summary>
/// Maps a 2d array using a given header array. Order determines column position.
/// </summary>
/// <param name="csvArray">The csv array</param>
/// <param name="headers">Array of header strings</param>
/// <returns></returns>
public static IEnumerable <ReflectionInfo> Funnel2DArray(this IEnumerable <IEnumerable <string> > csvArray, params string[] headers)
{
var csvData = csvArray.ToList();
var header = headers;
var rInfos = new List <ReflectionInfo>();
foreach (var item in csvData.Skip(1))
{
var itemA = item.ToArray();
var rInfo = new ReflectionInfo {
SourceType = item.GetType()
};
for (var i = 0; i < (header.Count() > itemA.Count() ? itemA.Count() : header.Count()); i++)
{
rInfo[header[i]] = itemA[i];
}
rInfos.Add(rInfo);
}
return(rInfos.AsEnumerable());
}
/// <summary>
/// Creates a dictionary the keys set to the property/column names.
/// </summary>
/// <param name="reflected">The Reflection Info object to convert to a Dynamic object.</param>
/// <returns>Dictionary</returns>
public static Dictionary <string, object> IntoDictionary(this ReflectionInfo reflected)
{
return(reflected.ToDictionary(x => x.Key.ToString(), x => x.Value));
}
/// <summary>
/// Uses ReflectionInfo to generate an instance of the set type populating the data using reflection.
/// </summary>
/// <typeparam name="T">
/// Object Type to create and populate
/// </typeparam>
/// <param name="reflectedArray">
/// ReflectionInfo Key/Value Set
/// </param>
/// <param name="toUpdate">Object whose properties will be updated</param>
/// <param name="ignoreCase">Ignore case on name matching if true</param>
/// <param name="throwException">If populating a field match with a value fails throw an exception if true</param>
/// <param name="removeSourceUnderscores">Remove underscores from property names in source if true</param>
/// <param name="bindingFlags">
/// BindingFlags in GetProperties Command Defaults to Public
/// </param>
/// <returns>
/// New instance of T
/// </returns>
public static T IntoExisting <T>(
this ReflectionInfo reflectedArray, T toUpdate, bool ignoreCase = false, bool throwException = true,
bool removeSourceUnderscores = false,
BindingFlags bindingFlags = DefaultBindings)
{
var props = typeof(T).GetProperties(bindingFlags).ToDictionary(x => ignoreCase ? x.Name.ToLower() : x.Name);
var empty = toUpdate;
foreach (var reflected in reflectedArray)
{
PropertyInfo prop;
List <MappedColumn> explicitMapping;
if (reflectedArray.MappedColumns.TryGetValue(reflected.Key.ToString(), out explicitMapping))
{
foreach (MappedColumn eMapping in explicitMapping)
{
props.TryGetValue(ignoreCase ? eMapping.Target.ToLower() : eMapping.Target, out prop);
if (eMapping.Converter != null && prop != null)
{
if (typeof(IMappingConverter).IsAssignableFrom(eMapping.Converter))
{
var converter = Activator.CreateInstance(eMapping.Converter) as IMappingConverter;
if (converter != null)
{
prop.SetValue(empty, converter.ConversionMethod(reflected.Value), null);
}
}
else
{
throw new Exception("Converter Type not a valid IMappingConverter");
}
}
else
{
ParseSetValue(reflected, prop, empty, throwException);
}
}
}
else
{
var keyName = reflected.Key.ToString().Replace(" ", "").Trim();
if (removeSourceUnderscores)
{
keyName = keyName.Replace("_", "");
}
props.TryGetValue(ignoreCase ? keyName.ToLower() : keyName, out prop);
if (prop != null)
{
ParseSetValue(reflected, prop, empty, throwException);
}
}
}
return(empty);
}
