1 files changed, 158 insertions, 0 deletions
diff --git a/crypto/src/pkix/PkixPolicyNode.cs b/crypto/src/pkix/PkixPolicyNode.cs
new file mode 100644
index 000000000..fc5b82f6f
--- /dev/null
+++ b/crypto/src/pkix/PkixPolicyNode.cs
@@ -0,0 +1,158 @@
+using System;
+using System.Collections;
+using System.Text;
+
+using Org.BouncyCastle.Utilities;
+using Org.BouncyCastle.Utilities.Collections;
+
+namespace Org.BouncyCastle.Pkix
+{
+	/// <summary>
+	/// Summary description for PkixPolicyNode.
+	/// </summary>
+	public class PkixPolicyNode
+//		: IPolicyNode
+	{
+		protected IList				mChildren;
+		protected int				mDepth;
+		protected ISet				mExpectedPolicies;
+		protected PkixPolicyNode	mParent;
+		protected ISet				mPolicyQualifiers;
+		protected string			mValidPolicy;
+		protected bool				mCritical;
+
+		public virtual int Depth
+		{
+			get { return this.mDepth; }
+		}
+
+		public virtual IEnumerable Children
+		{
+			get { return new EnumerableProxy(mChildren); }
+		}
+
+		public virtual bool IsCritical
+		{
+			get { return this.mCritical; }
+			set { this.mCritical = value; }
+		}
+
+		public virtual ISet PolicyQualifiers
+		{
+			get { return new HashSet(this.mPolicyQualifiers); }
+		}
+
+		public virtual string ValidPolicy
+		{
+			get { return this.mValidPolicy; }
+		}
+
+		public virtual bool HasChildren
+		{
+			get { return mChildren.Count != 0; }
+		}
+
+		public virtual ISet ExpectedPolicies
+		{
+			get { return new HashSet(this.mExpectedPolicies); }
+			set { this.mExpectedPolicies = new HashSet(value); }
+		}
+
+		public virtual PkixPolicyNode Parent
+		{
+			get { return this.mParent; }
+			set { this.mParent = value; }
+		}
+
+		/// Constructors
+		public PkixPolicyNode(
+			IList			children,
+			int				depth,
+			ISet			expectedPolicies,
+			PkixPolicyNode	parent,
+			ISet			policyQualifiers,
+			string			validPolicy,
+			bool			critical)
+		{
+            if (children == null)
+            {
+                this.mChildren = Platform.CreateArrayList();
+            }
+            else
+            {
+                this.mChildren = Platform.CreateArrayList(children);
+            }
+
+            this.mDepth = depth;
+			this.mExpectedPolicies = expectedPolicies;
+			this.mParent = parent;
+			this.mPolicyQualifiers = policyQualifiers;
+			this.mValidPolicy = validPolicy;
+			this.mCritical = critical;
+		}
+
+		public virtual void AddChild(
+			PkixPolicyNode child)
+		{
+			child.Parent = this;
+			mChildren.Add(child);
+		}
+
+		public virtual void RemoveChild(
+			PkixPolicyNode child)
+		{
+			mChildren.Remove(child);
+		}
+
+		public override string ToString()
+		{
+			return ToString("");
+		}
+
+		public virtual string ToString(
+			string indent)
+		{
+			StringBuilder buf = new StringBuilder();
+			buf.Append(indent);
+			buf.Append(mValidPolicy);
+			buf.Append(" {");
+			buf.Append(Platform.NewLine);
+
+			foreach (PkixPolicyNode child in mChildren)
+			{
+				buf.Append(child.ToString(indent + "    "));
+			}
+
+			buf.Append(indent);
+			buf.Append("}");
+			buf.Append(Platform.NewLine);
+			return buf.ToString();
+		}
+
+		public virtual object Clone()
+		{
+			return Copy();
+		}
+
+		public virtual PkixPolicyNode Copy()
+		{
+			PkixPolicyNode node = new PkixPolicyNode(
+                Platform.CreateArrayList(),
+				mDepth,
+				new HashSet(mExpectedPolicies),
+				null,
+				new HashSet(mPolicyQualifiers),
+				mValidPolicy,
+				mCritical);
+
+			foreach (PkixPolicyNode child in mChildren)
+			{
+				PkixPolicyNode copy = child.Copy();
+				copy.Parent = node;
+				node.AddChild(copy);
+			}
+
+			return node;
+		}
+	}
+}