/// <summary>
/// Determines whether the specified message contains tag under the parentTag.
/// </summary>
public static bool ContainsTag(this XmlContainer message, String parentTag, String tag)
{
if (String.IsNullOrEmpty(parentTag))
{
throw new ArgumentException("parentTag");
}
if (String.IsNullOrEmpty(tag))
{
throw new ArgumentException("tag");
}
try
{
XElement doc = XElement.Parse(message.GetXmlString(XmlNamespaceOption.IgnoreNamespaces));
var parentElement = doc.GetElementWithName(parentTag);
return(null != parentElement && null != parentElement.GetElementWithName(tag));
}
catch (XmlException e)
{
Logger.LogException(String.Empty, e);
return(false);
}
}
/// <summary>
/// Returns value of given tag in given message, null otherwise
/// </summary>
public static String ValueOf(XmlContainer message, String tag)
{
if (null == message)
{
throw new ArgumentNullException();
}
if (String.IsNullOrEmpty(tag))
{
throw new ArgumentException();
}
XElement doc = XElement.Parse(message.GetXmlString(XmlNamespaceOption.IgnoreNamespaces));
var element = doc.GetElementWithName(tag);
return(null == element ? null : element.Value);
}
/// <summary>
/// Returns attributes of given tag in given message, null otherwise
/// </summary>
public static XAttribute[] AttributesOf(XmlContainer message, String tag)
{
if (null == message)
{
throw new ArgumentNullException();
}
if (String.IsNullOrEmpty(tag))
{
throw new ArgumentException();
}
XElement doc = XElement.Parse(message.GetXmlString(XmlNamespaceOption.IgnoreNamespaces));
var element = doc.Descendants().FirstOrDefault(item => item.Name.LocalName == tag);
return(null == element ? null : element.Attributes().ToArray());
}
