/// <summary>
/// Returns the value to use for the entity's content element mime type annotation
/// </summary>
/// <param name="instance">The entity instance</param>
/// <param name="defaultValue">The default value to return if no annotation is found</param>
/// <returns>The value of the annotation, or the default if one does not exist</returns>
public static string GetContentType(this EntityInstance instance, string defaultValue)
{
ContentTypeAnnotation annotation = instance.Annotations.OfType <ContentTypeAnnotation>().SingleOrDefault();
if (annotation == null)
{
return(defaultValue);
}
return(annotation.Value);
}
/// <summary>
/// Sets the stream source link of the given entity, then returns it
/// </summary>
/// <param name="entity">The entity to update</param>
/// <param name="link">The stream source link </param>
/// <returns>The given entity with the updated stream source link</returns>
public static EntityInstance WithStreamSourceLink(this EntityInstance entity, string link)
{
ExceptionUtilities.CheckArgumentNotNull(entity, "entity");
entity.StreamSourceLink = link;
return(entity);
}
/// <summary>
/// Sets the stream content type of the given entity, then returns it
/// </summary>
/// <param name="entity">The entity to update</param>
/// <param name="contentType">The stream content type</param>
/// <returns>The given entity with the updated stream content type</returns>
public static EntityInstance WithStreamContentType(this EntityInstance entity, string contentType)
{
ExceptionUtilities.CheckArgumentNotNull(entity, "entity");
entity.StreamContentType = contentType;
return(entity);
}
public static EntityInstance WithStreamETag(this EntityInstance entity, string etag)
{
ExceptionUtilities.CheckArgumentNotNull(entity, "entity");
entity.StreamETag = etag;
return(entity);
}
/// <summary>
/// Adds a content type annotation to the given entity instance
/// </summary>
/// <param name="instance">The entity instance</param>
/// <param name="contentTypeValue">The value for the annotation</param>
/// <returns>The same entity instance</returns>
public static EntityInstance WithContentType(this EntityInstance instance, string contentTypeValue)
{
return(instance.AddAnnotation(new ContentTypeAnnotation(contentTypeValue)));
}
/// <summary>
/// Returns the self link annotation value of the entity, if one exists
/// </summary>
/// <param name="instance">The entity to get the self link from</param>
/// <returns>The self link, or null if no annotation is found</returns>
public static string GetSelfLink(this EntityInstance instance)
{
return(instance.Annotations.OfType <SelfLinkAnnotation>().Select(a => a.Value).SingleOrDefault());
}
/// <summary>
/// Returns the edit link annotation value of the entity, if one exists
/// </summary>
/// <param name="instance">The entity to get the edit link from</param>
/// <returns>The edit link, or null if no annotation is found</returns>
public static string GetEditLink(this EntityInstance instance)
{
return(instance.EditLink);
}
/// <summary>
/// Adds an self link annotation to the given entity instance
/// </summary>
/// <param name="instance">the entity instance</param>
/// <param name="selfLinkValue">The value of the self link</param>
/// <returns>The same entity instance that was given</returns>
public static EntityInstance WithSelfLink(this EntityInstance instance, string selfLinkValue)
{
instance.AddAnnotationIfNotExist(new SelfLinkAnnotation(selfLinkValue));
return(instance);
}
/// <summary>
/// Adds an edit link annotation to the given entity instance
/// </summary>
/// <param name="instance">the entity instance</param>
/// <param name="editLinkValue">The value of the edit link</param>
/// <returns>The same entity instance that was given</returns>
public static EntityInstance WithEditLink(this EntityInstance instance, string editLinkValue)
{
instance.EditLink = editLinkValue;
return(instance);
}
/// <summary>
/// Returns whether or not the entity is marked with a media link entry annotation
/// </summary>
/// <param name="instance">The entity to check</param>
/// <returns>Whether or not there is a media link entry annotation on the entity</returns>
public static bool IsMediaLinkEntry(this EntityInstance instance)
{
return(instance.StreamSourceLink != null || instance.Annotations.OfType <IsMediaLinkEntryAnnotation>().Any());
}
/// <summary>
/// Adds the media link entry annotation to the given entity instance
/// </summary>
/// <param name="instance">The entity instance</param>
/// <returns>The same entity instance</returns>
public static EntityInstance AsMediaLinkEntry(this EntityInstance instance)
{
return(instance.AddAnnotation(new IsMediaLinkEntryAnnotation()));
}
