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Kreta.EESZTInterface/XmlHelper.cs

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+using System.Xml;
+
+namespace Kreta.EESZTInterface
+{
+    public class XmlHelper
+    {
+        public const string EncryptedDataElementName = "EncryptedData";
+        public const string EncryptedKeyElementName = "EncryptedKey";
+        public const string SecurityElementName = "Security";
+        public const string RequestSecurityTokenElementName = "RequestSecurityToken";
+        public const string HeaderElementName = "Header";
+        public const string BodyElementName = "Body";
+        public const string SignatureElementName = "Signature";
+
+        public static XmlElement GetElement(string element, string elementNS, XmlElement doc)
+        {
+            var list = doc.GetElementsByTagName(element, elementNS);
+            return list.Count == 0 ? null : (XmlElement)list[0];
+        }
+
+        public static XmlElement GetElementId(XmlDocument doc, string id)
+        {
+            XmlElement idElem = null;
+
+            if (idElem == null)
+            {
+                XmlNamespaceManager nsManager = new XmlNamespaceManager(doc.NameTable);
+                nsManager.AddNamespace("wsu", Namespaces.wsuNs);
+
+                idElem = doc.SelectSingleNode("//*[@wsu:Id=\"" + id + "\"]", nsManager) as XmlElement;
+            }
+
+            return idElem;
+        }
+    }
+}