public override DynamicMetaObject FallbackGetMember(DynamicMetaObject target, DynamicMetaObject errorSuggestion)
{
if (target != null && errorSuggestion == null)
{
string exceptionMessage = SG.GetString(SR.DynamicPropertyNotDefined, target.LimitType, this.Name);
Expression throwExpression = Expression.Throw(Expression.Constant(new InvalidOperationException(exceptionMessage)), typeof(object));
errorSuggestion = new DynamicMetaObject(throwExpression, target.Restrictions);
}
return(errorSuggestion);
}
/// <summary>
/// Extension method for converting a <see cref="JsonValue"/> collection into an array of objects.
/// </summary>
/// <param name="jsonValue">The <see cref="JsonValue"/> instance to be converted to an object array.</param>
/// <returns>An array of objects represented by the specified <see cref="JsonValue"/> instance.</returns>
/// <remarks>The <see cref="JsonType"/> value of the specified <see cref="JsonValue"/> instance must be <see cref="JsonType.Array"/>.</remarks>
public static object[] ToObjectArray(this JsonValue jsonValue)
{
if (jsonValue == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("jsonValue");
}
if (jsonValue.JsonType != JsonType.Array)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(SG.GetString(SR.OperationNotSupportedOnJsonType, jsonValue.JsonType)));
}
return(ToClrCollection <object[]>(jsonValue));
}
/// <summary>
/// Extension method for converting a <see cref="JsonValue"/> collection into a dictionary of <see cref="string"/>/<see cref="object"/> key/value pairs.
/// </summary>
/// <param name="jsonValue">The <see cref="JsonValue"/> instance to be converted to a dictionary of <see cref="string"/>/<see cref="object"/> key/value pairs.</param>
/// <returns>An <see cref="IDictionary{T1,T2}"/> of <see cref="string"/>/<see cref="object"/> key/value pairs represented by the specified <see cref="JsonValue"/> instance.</returns>
/// <remarks>The <see cref="JsonType"/> value of the specified <see cref="JsonValue"/> instance must be <see cref="JsonType.Object"/>.</remarks>
public static IDictionary <string, object> ToDictionary(this JsonValue jsonValue)
{
if (jsonValue == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("jsonValue");
}
if (jsonValue.JsonType != JsonType.Object)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(SG.GetString(SR.OperationNotSupportedOnJsonType, jsonValue.JsonType)));
}
return(ToClrCollection <Dictionary <string, object> >(jsonValue));
}
/// <summary>
/// Attempts to convert this <see cref="System.Json.JsonValue"/> instance into an instance of the specified type.
/// </summary>
/// <param name="jsonValue">The <see cref="JsonValue"/> instance this method extension is to be applied to.</param>
/// <param name="type">The type to which the conversion is being performed.</param>
/// <returns>An object instance initialized with the <see cref="System.Json.JsonValue"/> value
/// specified if the conversion.</returns>
/// <exception cref="System.NotSupportedException">If this <see cref="System.Json.JsonValue"/> value cannot be
/// converted into the type T.</exception>
public static object ReadAsType(this JsonValue jsonValue, Type type)
{
if (jsonValue == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException("jsonValue"));
}
if (type == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException("type"));
}
object result;
if (JsonValueExtensions.TryReadAsType(jsonValue, type, out result))
{
return(result);
}
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(SG.GetString(SR.CannotReadAsType, jsonValue.GetType().FullName, type.FullName)));
}
