/// <summary>
/// Process the SqlXml Data from Database to prepare MetadataXml.
/// </summary>
private void PrepareMetadataXml(SqlXml dataXml, out Dictionary <id, MetadataAttributes> metadataXml)
{
metadataXml = new Dictionary <id, MetadataAttributes>();
if (!dataXml.IsNull)
{
XmlDocument metadata = new XmlDocument();
metadata.LoadXml(dataXml.Value);
XmlNodeList dataList = metadata.SelectNodes("//data");
if (dataList.Count > 0)
{
MetadataAttributes attributes = new MetadataAttributes();
foreach (XmlNode node in dataList)
{
string key = node.ChildNodes[0].InnerText;
string value = node.ChildNodes[1].InnerText;
attributes.Add(new MetadataAttribute(key, value));
}
if (attributes.Count > 0)
{
metadataXml.Add("data", attributes);
}
}
else
{
MetadataAttributes attributes = new MetadataAttributes();
XmlNodeList targetNode = metadata.SelectNodes("//" + RootNode);
foreach (XmlNode node in targetNode)
{
if (node.HasChildNodes)
{
ProcessingNodes(node, ref metadataXml, attributes);
}
else
{
XmlAttributeCollection attrList = node.Attributes;
foreach (XmlAttribute attr in attrList)
{
attributes.Add(new MetadataAttribute(attr.Name, attr.Value));
}
if (attributes.Count > 0)
{
metadataXml.Add("data", attributes);
}
}
}
}
}
}
/// <summary>
/// Set Metadata with id = key
/// </summary>
/// <param name="key"></param>
/// <param name="data"></param>
public void SetMetadata(string key, MetadataAttribute data)
{
MetadataAttributes attributes = this.GetMetadataList(key);
if (!attributes.Contains(data))
{
attributes.Add(data);
}
this.SetMetadata(key, attributes);
}