private static void SetValueWithCoercion(object target, DynamicMemberHandle handle, object value)
{
if (value != null)
{
Type memberType = handle.MemberType;
Type underlyingType = GetUnderlyingType(value.GetType());
object arg = CoerceValue(memberType, underlyingType, value);
if (arg != null)
{
handle.DynamicMemberSet(target, arg);
}
}
}
/// <summary>
/// Sets an object's property with the specified value,
/// converting that value to the appropriate type if possible.
/// </summary>
/// <param name="target">Object containing the property to set.</param>
/// <param name="propertyName">Name of the property to set.</param>
/// <param name="value">Value to set into the property.</param>
/// <param name="useCache">if set to <c>true</c> use dynamic cache.</param>
public static void SetPropertyValue(object target, string propertyName, object value, bool useCache)
{
if (target == null)
{
throw new ArgumentNullException("target", "Target object can not be Null.");
}
if (useCache)
{
DynamicMemberHandle cachedProperty = MethodCaller.GetCachedProperty(target.GetType(), propertyName);
if (cachedProperty != null)
{
SetValueWithCoercion(target, cachedProperty, value);
}
}
else
{
PropertyInfo handle = MethodCaller.FindProperty(target.GetType(), propertyName);
if (handle != null)
{
SetValueWithCoercion(target, handle, value);
}
}
}
internal static DynamicMemberHandle GetCachedProperty(Type objectType, string propertyName)
{
MethodCacheKey key = new MethodCacheKey(objectType.FullName, propertyName, MethodCaller.GetParameterTypes(null));
DynamicMemberHandle dynamicMemberHandle = null;
if (MethodCaller._memberCache.TryGetValue(key, out dynamicMemberHandle))
{
return(dynamicMemberHandle);
}
lock (MethodCaller._memberCache)
{
if (!MethodCaller._memberCache.TryGetValue(key, out dynamicMemberHandle))
{
PropertyInfo propertyInfo = MethodCaller.FindProperty(objectType, propertyName);
if (propertyInfo != null)
{
dynamicMemberHandle = new DynamicMemberHandle(propertyInfo);
}
MethodCaller._memberCache.Add(key, dynamicMemberHandle);
}
}
return(dynamicMemberHandle);
}
internal static DynamicMemberHandle GetCachedField(Type objectType, string fieldName)
{
MethodCacheKey key = new MethodCacheKey(objectType.FullName, fieldName, MethodCaller.GetParameterTypes(null));
DynamicMemberHandle dynamicMemberHandle = null;
if (MethodCaller._memberCache.TryGetValue(key, out dynamicMemberHandle))
{
return(dynamicMemberHandle);
}
lock (MethodCaller._memberCache)
{
if (!MethodCaller._memberCache.TryGetValue(key, out dynamicMemberHandle))
{
FieldInfo field = objectType.GetField(fieldName, BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
if (field != null)
{
dynamicMemberHandle = new DynamicMemberHandle(field);
}
MethodCaller._memberCache.Add(key, dynamicMemberHandle);
}
}
return(dynamicMemberHandle);
}
/// <summary>
/// Invokes a property setter using dynamic
/// method invocation.
/// </summary>
/// <param name="obj">Target object.</param>
/// <param name="property">Property to invoke.</param>
/// <param name="value">New value for property.</param>
public static void CallPropertySetter(object obj, string property, object value)
{
DynamicMemberHandle cachedProperty = MethodCaller.GetCachedProperty(obj.GetType(), property);
cachedProperty.DynamicMemberSet(obj, value);
}
/// <summary>
/// Invokes a property getter using dynamic
/// method invocation.
/// </summary>
/// <param name="obj">Target object.</param>
/// <param name="property">Property to invoke.</param>
/// <returns></returns>
public static object CallPropertyGetter(object obj, string property)
{
DynamicMemberHandle cachedProperty = MethodCaller.GetCachedProperty(obj.GetType(), property);
return(cachedProperty.DynamicMemberGet(obj));
}
