/// <summary>
/// Writes the prefixed XML namespace declarations for the supplied <see cref="Collection{T}"/> collection of syndication extension <see cref="Type"/> objects to the specified <see cref="XmlWriter"/>.
/// </summary>
/// <param name="types">A <see cref="Collection{T}"/> collection of <see cref="Type"/> objects that represent the syndication extensions to write prefixed XML namespace declarations for.</param>
/// <param name="writer">The <see cref="XmlWriter"/> to which you want to save.</param>
/// <exception cref="ArgumentNullException">The <paramref name="types"/> is a null reference (Nothing in Visual Basic).</exception>
/// <exception cref="ArgumentNullException">The <paramref name="writer"/> is a null reference (Nothing in Visual Basic).</exception>
public static void WriteXmlNamespaceDeclarations(Collection <Type> types, XmlWriter writer)
{
Guard.ArgumentNotNull(types, "types");
Guard.ArgumentNotNull(writer, "writer");
foreach (Type type in types)
{
if (type != null)
{
ISyndicationExtension extension = Activator.CreateInstance(type) as ISyndicationExtension;
if (extension != null)
{
extension.WriteXmlNamespaceDeclaration(writer);
}
}
}
}
/// <summary>
/// Writes the prefixed XML namespace declarations for the supplied <see cref="Collection{T}"/> collection of syndication extension <see cref="Type"/> objects to the specified <see cref="XmlWriter"/>.
/// </summary>
/// <param name="types">A <see cref="Collection{T}"/> collection of <see cref="Type"/> objects that represent the syndication extensions to write prefixed XML namespace declarations for.</param>
/// <param name="writer">The <see cref="XmlWriter"/> to which you want to save.</param>
/// <exception cref="ArgumentNullException">The <paramref name="types"/> is a null reference (Nothing in Visual Basic).</exception>
/// <exception cref="ArgumentNullException">The <paramref name="writer"/> is a null reference (Nothing in Visual Basic).</exception>
public static void WriteXmlNamespaceDeclarations(Collection <Type> types, XmlWriter writer)
{
//------------------------------------------------------------
// Validate parameters
//------------------------------------------------------------
Guard.ArgumentNotNull(types, "types");
Guard.ArgumentNotNull(writer, "writer");
//------------------------------------------------------------
// Write each syndication extension prefixed XML namespace
// to the supplied writer
//------------------------------------------------------------
foreach (Type type in types)
{
if (type != null)
{
ISyndicationExtension extension = Activator.CreateInstance(type) as ISyndicationExtension;
if (extension != null)
{
extension.WriteXmlNamespaceDeclaration(writer);
}
}
}
}