/// <summary>
/// Finds all ExtensionElement based on it's local name
/// and it's namespace. If namespace is NULL, allwhere
/// the localname matches is found. If there are extensionelements that do
/// not implment ExtensionElementFactory, they will not be taken into account
/// Primary use of this is to find XML nodes
/// </summary>
/// <param name="arrList">the array to search through</param>
/// <param name="localName">the xml local name of the element to find</param>
/// <param name="ns">the namespace of the elementToPersist</param>
/// <returns>none</returns>
public static List <T> FindExtensions <T>(ExtensionList arrList, string localName, string ns) where T : IExtensionElementFactory
{
List <T> list = new List <T>();
if (arrList == null)
{
throw new ArgumentNullException("arrList");
}
foreach (IExtensionElementFactory obj in arrList)
{
if (obj is T)
{
T ele = (T)obj;
// only if the elements do implement the ExtensionElementFactory
// do we know if it's xml name/namespace
if (ele != null)
{
if (compareXmlNess(ele.XmlName, localName, ele.XmlNameSpace, ns))
{
list.Add(ele);
}
}
}
}
return(list);
}
/// <summary>
/// Delete's all Extensions from the Extension list that match
/// a localName and a Namespace.
/// </summary>
/// <param name="localName">the local name to find</param>
/// <param name="ns">the namespace to match, if null, ns is ignored</param>
/// <returns>int - the number of deleted extensions</returns>
public int DeleteExtensions(string localName, string ns)
{
// Find them first
ExtensionList arr = FindExtensions(localName, ns);
foreach (IExtensionElementFactory ob in arr)
{
this.ExtensionElements.Remove(ob);
}
return(arr.Count);
}
/////////////////////////////////////////////////////////////////////////////
/// <summary>
/// Finds a specific ExtensionElement based on it's local name
/// and it's namespace. If namespace is NULL, the first one where
/// the localname matches is found. If there are extensionelements that do
/// not implment ExtensionElementFactory, they will not be taken into account
/// Primary use of this is to find XML nodes
/// </summary>
/// <param name="arrList">the array to search through</param>
/// <param name="localName">the xml local name of the element to find</param>
/// <param name="ns">the namespace of the elementToPersist</param>
/// <returns>Object</returns>
public static IExtensionElementFactory FindExtension(ExtensionList arrList, string localName, string ns)
{
if (arrList == null)
{
return(null);
}
foreach (IExtensionElementFactory ele in arrList)
{
if (compareXmlNess(ele.XmlName, localName, ele.XmlNameSpace, ns))
{
return(ele);
}
}
return(null);
}
/// <summary>
/// takes an object and set's the version number to the
/// same as this instance
/// </summary>
/// <param name="arr">The array of objects the version should be applied to</param>
public void ImprintVersion(ExtensionList arr)
{
if (arr == null)
{
return;
}
foreach (Object o in arr)
{
IVersionAware v = o as IVersionAware;
if (v != null)
{
ImprintVersion(v);
}
}
}
/// <summary>
/// all extension elements that match a namespace/localname
/// given will be removed and replaced with the new ones.
/// the input array can contain several different
/// namespace/localname combinations
/// if the passed list is NULL or empty, this will just result
/// in additions
/// </summary>
/// <param name="newList">a list of xmlnodes or IExtensionElementFactory objects</param>
/// <returns>int - the number of deleted extensions</returns>
public int ReplaceExtensions(ExtensionList newList)
{
int count = 0;
// get rid of all of the old ones matching the specs
if (newList != null)
{
foreach (Object ob in newList)
{
string localName = null;
string ns = null;
XmlNode node = ob as XmlNode;
if (node != null)
{
localName = node.LocalName;
ns = node.NamespaceURI;
}
else
{
IExtensionElementFactory ele = ob as IExtensionElementFactory;
if (ele != null)
{
localName = ele.XmlName;
ns = ele.XmlNameSpace;
}
}
if (localName != null)
{
count += DeleteExtensions(localName, ns);
}
}
// now add the new ones
foreach (IExtensionElementFactory ob in newList)
{
this.ExtensionElements.Add(ob);
}
}
return(count);
}
/// <summary>
/// Finds all ExtensionElement based on it's local name
/// and it's namespace. If namespace is NULL, allwhere
/// the localname matches is found. If there are extensionelements that do
/// not implment ExtensionElementFactory, they will not be taken into account
/// Primary use of this is to find XML nodes
/// </summary>
/// <param name="arrList">the array to search through</param>
/// <param name="localName">the xml local name of the element to find</param>
/// <param name="ns">the namespace of the elementToPersist</param>
/// <param name="arr">the array to fill</param>
/// <returns>none</returns>
public static ExtensionList FindExtensions(ExtensionList arrList, string localName, string ns, ExtensionList arr)
{
if (arrList == null)
{
throw new ArgumentNullException("arrList");
}
if (arr == null)
{
throw new ArgumentNullException("arr");
}
foreach (IExtensionElementFactory ob in arrList)
{
XmlNode node = ob as XmlNode;
if (node != null)
{
if (compareXmlNess(node.LocalName, localName, node.NamespaceURI, ns))
{
arr.Add(ob);
}
}
else
{
// only if the elements do implement the ExtensionElementFactory
// do we know if it's xml name/namespace
IExtensionElementFactory ele = ob as IExtensionElementFactory;
if (ele != null)
{
if (compareXmlNess(ele.XmlName, localName, ele.XmlNameSpace, ns))
{
arr.Add(ob);
}
}
}
}
return(arr);
}
/// <summary>
/// Finds all ExtensionElement based on it's local name
/// and it's namespace. If namespace is NULL, allwhere
/// the localname matches is found. If there are extensionelements that do
/// not implment ExtensionElementFactory, they will not be taken into account
/// Primary use of this is to find XML nodes
/// </summary>
/// <param name="localName">the xml local name of the element to find</param>
/// <param name="ns">the namespace of the element to find</param>
/// <param name="arr">the array to fill</param>
/// <returns>none</returns>
public ExtensionList FindExtensions(string localName, string ns, ExtensionList arr)
{
return(Utilities.FindExtensions(this.ExtensionElements,
localName, ns, arr));
}
