/// <summary>
/// Given an object, attempt to serialize it into a form suitable for URL Encoding
/// </summary>
/// <remarks>Currently only supports objects which implement IDictionary</remarks>
/// <param name="body">Object to attempt to serialize</param>
/// <returns>Key/value collection suitable for URL encoding</returns>
protected virtual IEnumerable <KeyValuePair <string, string> > SerializeBodyForUrlEncoding(object body)
{
if (body == null)
{
return(Enumerable.Empty <KeyValuePair <string, string> >());
}
if (DictionaryIterator.CanIterate(body.GetType()))
{
return(this.TransformDictionaryToCollectionOfKeysAndValues(body));
}
else
{
throw new ArgumentException("BodySerializationMethod is UrlEncoded, but body does not implement IDictionary or IDictionary<TKey, TValue>", nameof(body));
}
}
/// <summary>
/// Takes an IDictionary or IDictionary{TKey, TValue}, and emits KeyValuePairs for each key
/// Takes account of IEnumerable values, null values, etc
/// </summary>
/// <param name="dictionary">Dictionary to transform</param>
/// <returns>A set of KeyValuePairs</returns>
protected virtual IEnumerable <KeyValuePair <string, string> > TransformDictionaryToCollectionOfKeysAndValues(object dictionary)
{
foreach (var kvp in DictionaryIterator.Iterate(dictionary))
{
if (kvp.Value != null && !(kvp.Value is string) && kvp.Value is IEnumerable)
{
foreach (var individualValue in (IEnumerable)kvp.Value)
{
var stringValue = this.ToStringHelper(individualValue);
yield return(new KeyValuePair <string, string>(this.ToStringHelper(kvp.Key), stringValue));
}
}
else if (kvp.Value != null)
{
yield return(new KeyValuePair <string, string>(this.ToStringHelper(kvp.Key), this.ToStringHelper(kvp.Value)));
}
}
}