/// <summary>
/// Determine how well each formatter matches by associating a <see cref="MediaTypeFormatterMatchRanking"/>
/// value with the formatter. Then associate the quality of the match based on q-factors and other parameters.
/// The result of this method is a collection of the matches found categorized and assigned a quality value.
/// </summary>
/// <param name="type">The type to be serialized.</param>
/// <param name="request">The request.</param>
/// <param name="formatters">The set of <see cref="MediaTypeFormatter"/> objects from which to choose.</param>
/// <returns>A collection containing all the matches.</returns>
protected virtual Collection <MediaTypeFormatterMatch> ComputeFormatterMatches(
[NotNull] Type type,
[NotNull] HttpRequestMessage request,
[NotNull] IEnumerable <MediaTypeFormatter> formatters)
{
IEnumerable <MediaTypeWithQualityHeaderValue> sortedAcceptValues = null;
// Go through each formatter to find how well it matches.
var matches =
new ListWrapperCollection <MediaTypeFormatterMatch>();
var writingFormatters = GetWritingFormatters(formatters);
for (var i = 0; i < writingFormatters.Length; i++)
{
var formatter = writingFormatters[i];
// Check first that formatter can write the actual type
if (!formatter.CanWriteType(type))
{
// Formatter can't even write the type so no match at all
continue;
}
// Match against the accept header values.
if (sortedAcceptValues == null)
{
// Sort the Accept header values in descending order based on q-factor
sortedAcceptValues = SortMediaTypeWithQualityHeaderValuesByQFactor(request.Headers.Accept);
}
var match = MatchAcceptHeader(sortedAcceptValues, formatter);
if (match != null)
{
matches.Add(match);
continue;
}
// Match against request's media type if any
if ((match = MatchRequestMediaType(request, formatter)) != null)
{
matches.Add(match);
continue;
}
// Check whether we should match on type or stop the matching process.
// The latter is used to generate 406 (Not Acceptable) status codes.
var shouldMatchOnType = ShouldMatchOnType(sortedAcceptValues);
// Match against the type of object we are writing out
if (shouldMatchOnType && (match = MatchType(type, formatter)) != null)
{
matches.Add(match);
continue;
}
}
return(matches);
}
public void ListWrapperCollection_ItemsList_IsPassedInList()
{
// Arrange
List<object> list = new List<object> { new object(), new object() };
ListWrapperCollection<object> listWrapper = new ListWrapperCollection<object>(list);
// Act & Assert
Assert.Same(list, listWrapper.ItemsList);
}
public void AsList_ListWrapperCollection_ReturnsSameInstance()
{
List <object> list = new List <object> {
new object(), new object()
};
ListWrapperCollection <object> listWrapper = new ListWrapperCollection <object>(list);
List <object> listWrapperAsList = ((IEnumerable <object>)listWrapper).AsList();
Assert.Same(list, listWrapperAsList);
}
public void ListWrapperCollection_ItemsList_IsPassedInList()
{
// Arrange
List <object> list = new List <object> {
new object(), new object()
};
ListWrapperCollection <object> listWrapper = new ListWrapperCollection <object>(list);
// Act & Assert
Assert.Same(list, listWrapper.ItemsList);
}
public void ListWrapperCollection_ItemsList_HasSameContents()
{
// Arrange
ListWrapperCollection<object> listWrapper = new ListWrapperCollection<object>();
// Act
listWrapper.Add(new object());
listWrapper.Add(new object());
// Assert
Assert.Equal(listWrapper, listWrapper.ItemsList);
}
public void ListWrapperCollection_ItemsList_HasSameContents()
{
// Arrange
ListWrapperCollection <object> listWrapper = new ListWrapperCollection <object>();
// Act
listWrapper.Add(new object());
listWrapper.Add(new object());
// Assert
Assert.Equal(listWrapper, listWrapper.ItemsList);
}
/// <summary>
/// Return the enumerable as a List of T, copying if required. Optimized for common case where it is an List of T
/// or a ListWrapperCollection of T. Avoid mutating the return value.
/// </summary>
public static List <T> AsList <T>(this IEnumerable <T> enumerable)
{
Contract.Assert(enumerable != null);
List <T> list = enumerable as List <T>;
if (list != null)
{
return(list);
}
ListWrapperCollection <T> listWrapper = enumerable as ListWrapperCollection <T>;
list = listWrapper == null ? new List <T>(enumerable) : listWrapper.ItemsList;
return(list);
}
/// <summary>
/// Return the enumerable as a List of T, copying if required. Optimized for common case where it is an List of
/// T or a ListWrapperCollection of T. Avoid mutating the return value.
/// </summary>
public static List <T> AsList <T>(this IEnumerable <T> enumerable)
{
Debug.Assert(enumerable != null);
List <T> list = enumerable as List <T>;
if (list != null)
{
return(list);
}
ListWrapperCollection <T> listWrapper = enumerable as ListWrapperCollection <T>;
if (listWrapper != null)
{
return(listWrapper.ItemsList);
}
return(new List <T>(enumerable));
}
/// <summary>
/// Determine how well each formatter matches by associating a <see cref="MediaTypeFormatterMatchRanking"/>
/// value with the formatter. Then associate the quality of the match based on q-factors and other parameters.
/// The result of this method is a collection of the matches found categorized and assigned a quality value.
/// </summary>
/// <param name="type">The type to be serialized.</param>
/// <param name="request">The request.</param>
/// <param name="formatters">The set of <see cref="MediaTypeFormatter"/> objects from which to choose.</param>
/// <returns>A collection containing all the matches.</returns>
protected virtual Collection<MediaTypeFormatterMatch> ComputeFormatterMatches(
[NotNull] Type type,
[NotNull] HttpRequestMessage request,
[NotNull] IEnumerable<MediaTypeFormatter> formatters)
{
IEnumerable<MediaTypeWithQualityHeaderValue> sortedAcceptValues = null;
// Go through each formatter to find how well it matches.
var matches =
new ListWrapperCollection<MediaTypeFormatterMatch>();
var writingFormatters = GetWritingFormatters(formatters);
for (var i = 0; i < writingFormatters.Length; i++)
{
var formatter = writingFormatters[i];
// Check first that formatter can write the actual type
if (!formatter.CanWriteType(type))
{
// Formatter can't even write the type so no match at all
continue;
}
// Match against the accept header values.
if (sortedAcceptValues == null)
{
// Sort the Accept header values in descending order based on q-factor
sortedAcceptValues = SortMediaTypeWithQualityHeaderValuesByQFactor(request.Headers.Accept);
}
var match = MatchAcceptHeader(sortedAcceptValues, formatter);
if (match != null)
{
matches.Add(match);
continue;
}
// Match against request's media type if any
if ((match = MatchRequestMediaType(request, formatter)) != null)
{
matches.Add(match);
continue;
}
// Check whether we should match on type or stop the matching process.
// The latter is used to generate 406 (Not Acceptable) status codes.
var shouldMatchOnType = ShouldMatchOnType(sortedAcceptValues);
// Match against the type of object we are writing out
if (shouldMatchOnType && (match = MatchType(type, formatter)) != null)
{
matches.Add(match);
continue;
}
}
return matches;
}
/// <summary>
/// Determine how well each formatter matches by associating a <see cref="MediaTypeFormatterMatchRanking"/> value
/// with the formatter. Then associate the quality of the match based on q-factors and other parameters. The result of this
/// method is a collection of the matches found categorized and assigned a quality value.
/// </summary>
/// <param name="type">The type to be serialized.</param>
/// <param name="request">The request.</param>
/// <param name="formatters">The set of <see cref="MediaTypeFormatter"/> objects from which to choose.</param>
/// <returns>A collection containing all the matches.</returns>
protected virtual Collection <MediaTypeFormatterMatch> ComputeFormatterMatches(Type type, HttpRequestMessage request, IEnumerable <MediaTypeFormatter> formatters)
{
// Performance-sensitive
if (type == null)
{
throw Error.ArgumentNull("type");
}
if (request == null)
{
throw Error.ArgumentNull("request");
}
if (formatters == null)
{
throw Error.ArgumentNull("formatters");
}
IEnumerable <MediaTypeWithQualityHeaderValue> sortedAcceptValues = null;
// Go through each formatter to find how well it matches.
ListWrapperCollection <MediaTypeFormatterMatch> matches = new ListWrapperCollection <MediaTypeFormatterMatch>();
MediaTypeFormatter[] writingFormatters = GetWritingFormatters(formatters);
for (int i = 0; i < writingFormatters.Length; i++)
{
MediaTypeFormatter formatter = writingFormatters[i];
MediaTypeFormatterMatch match = null;
// Check first that formatter can write the actual type
if (!formatter.CanWriteType(type))
{
// Formatter can't even write the type so no match at all
continue;
}
// Match against media type mapping.
if ((match = MatchMediaTypeMapping(request, formatter)) != null)
{
matches.Add(match);
continue;
}
// Match against the accept header values.
if (sortedAcceptValues == null)
{
// Sort the Accept header values in descending order based on q-factor
sortedAcceptValues = SortMediaTypeWithQualityHeaderValuesByQFactor(request.Headers.Accept);
}
if ((match = MatchAcceptHeader(sortedAcceptValues, formatter)) != null)
{
matches.Add(match);
continue;
}
// Match against request's media type if any
if ((match = MatchRequestMediaType(request, formatter)) != null)
{
matches.Add(match);
continue;
}
// Check whether we should match on type or stop the matching process.
// The latter is used to generate 406 (Not Acceptable) status codes.
bool shouldMatchOnType = ShouldMatchOnType(sortedAcceptValues);
// Match against the type of object we are writing out
if (shouldMatchOnType && (match = MatchType(type, formatter)) != null)
{
matches.Add(match);
continue;
}
}
return(matches);
}
/// <summary>
/// Determine how well each formatter matches by associating a <see cref="MediaTypeFormatterMatchRanking"/> value
/// with the formatter. Then associate the quality of the match based on q-factors and other parameters. The result of this
/// method is a collection of the matches found categorized and assigned a quality value.
/// </summary>
/// <param name="type">The type to be serialized.</param>
/// <param name="request">The request.</param>
/// <param name="formatters">The set of <see cref="MediaTypeFormatter"/> objects from which to choose.</param>
/// <returns>A collection containing all the matches.</returns>
protected virtual Collection<MediaTypeFormatterMatch> ComputeFormatterMatches(Type type, HttpRequestMessage request, IEnumerable<MediaTypeFormatter> formatters)
{
// Performance-sensitive
if (type == null)
{
throw Error.ArgumentNull("type");
}
if (request == null)
{
throw Error.ArgumentNull("request");
}
if (formatters == null)
{
throw Error.ArgumentNull("formatters");
}
IEnumerable<MediaTypeWithQualityHeaderValue> sortedAcceptValues = null;
// Go through each formatter to find how well it matches.
ListWrapperCollection<MediaTypeFormatterMatch> matches = new ListWrapperCollection<MediaTypeFormatterMatch>();
MediaTypeFormatter[] writingFormatters = GetWritingFormatters(formatters);
for (int i = 0; i < writingFormatters.Length; i++)
{
MediaTypeFormatter formatter = writingFormatters[i];
MediaTypeFormatterMatch match = null;
// Check first that formatter can write the actual type
if (!formatter.CanWriteType(type))
{
// Formatter can't even write the type so no match at all
continue;
}
// Match against media type mapping.
if ((match = this.MatchMediaTypeMapping(request, formatter)) != null)
{
matches.Add(match);
continue;
}
// Match against the accept header values.
if (sortedAcceptValues == null)
{
// Sort the Accept header values in descending order based on q-factor
sortedAcceptValues = this.SortMediaTypeWithQualityHeaderValuesByQFactor(request.Headers.Accept);
}
if ((match = this.MatchAcceptHeader(sortedAcceptValues, formatter)) != null)
{
matches.Add(match);
continue;
}
// Match against request's media type if any
if ((match = this.MatchRequestMediaType(request, formatter)) != null)
{
matches.Add(match);
continue;
}
// Check whether we should match on type or stop the matching process.
// The latter is used to generate 406 (Not Acceptable) status codes.
bool shouldMatchOnType = this.ShouldMatchOnType(sortedAcceptValues);
// Match against the type of object we are writing out
if (shouldMatchOnType && (match = this.MatchType(type, formatter)) != null)
{
matches.Add(match);
continue;
}
}
return matches;
}
public void AsList_ListWrapperCollection_ReturnsSameInstance()
{
List<object> list = new List<object> { new object(), new object() };
ListWrapperCollection<object> listWrapper = new ListWrapperCollection<object>(list);
List<object> listWrapperAsList = ((IEnumerable<object>)listWrapper).AsList();
Assert.Same(list, listWrapperAsList);
}