+//
// System.Security.Policy.FirstMatchCodeGroup
//
// Author(s):
// Jackson Harper (Jackson@LatitudeGeo.com)
//
// (C) 2002 Jackson Harper, All rights reserved.
-
-using System;
+// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
namespace System.Security.Policy {
[Serializable]
public sealed class FirstMatchCodeGroup : CodeGroup {
- public FirstMatchCodeGroup(IMembershipCondition membershipCondition, PolicyStatement policy) :
- base (membershipCondition, policy)
+ public FirstMatchCodeGroup (IMembershipCondition membershipCondition, PolicyStatement policy)
+ : base (membershipCondition, policy)
+ {
+ }
+
+ // for PolicyLevel (to avoid validation duplication)
+ internal FirstMatchCodeGroup (SecurityElement e, PolicyLevel level)
+ : base (e, level)
{
}
// Public Properties
//
- public override string MergeLogic
- {
+ public override string MergeLogic {
get { return "First Match"; }
}
// Public Methods
//
- public override CodeGroup Copy()
+ public override CodeGroup Copy ()
{
FirstMatchCodeGroup copy = CopyNoChildren ();
-
- foreach (CodeGroup group in Children) {
- copy.AddChild ( group );
+ foreach (CodeGroup child in Children) {
+ copy.AddChild (child.Copy ()); // deep copy
}
-
return copy;
}
- public override PolicyStatement Resolve(Evidence evidence)
+ public override PolicyStatement Resolve (Evidence evidence)
{
- PolicyStatement policy = null;
- PolicyStatement child_policy;
+ if (evidence == null)
+ throw new ArgumentNullException ("evidence");
- if (null == evidence)
- throw new ArgumentNullException ();
+ if (!MembershipCondition.Check (evidence))
+ return null;
- if (MembershipCondition.Check (evidence)) {
- if (null != PolicyStatement) {
- policy = PolicyStatement;
- } else {
- // Loop through all children breaking on the first one that resolves
- foreach (CodeGroup child in Children) {
- if (null == (child_policy = child.Resolve (evidence)))
- continue;
- policy = child_policy;
- break;
- }
+ foreach (CodeGroup child in Children) {
+ PolicyStatement policy = child.Resolve (evidence);
+ if (policy != null) {
+ return policy; // first match
}
}
-
- return policy;
+ return this.PolicyStatement; // default
}
- public override CodeGroup ResolveMatchingCodeGroups(Evidence evidence)
+ public override CodeGroup ResolveMatchingCodeGroups (Evidence evidence)
{
- CodeGroup group = null;
+ if (evidence == null)
+ throw new ArgumentNullException ("evidence");
+
+ if (!MembershipCondition.Check (evidence))
+ return null;
- if (null == evidence)
- throw new ArgumentNullException ();
-
- if (MembershipCondition.Check (evidence)) {
- group = CopyNoChildren ();
-
- // Add the first child that resolves
- foreach (CodeGroup child in Children) {
- if ( null == child.Resolve (evidence))
- continue;
- group.AddChild (child);
- break;
+ foreach (CodeGroup child in Children) {
+ if (child.Resolve (evidence) != null) {
+ return child.Copy (); // first match
+ // FIXME copy childrens ?
}
}
-
- return group;
+ return this.CopyNoChildren (); // default
}
//
// Private Methods
//
- private FirstMatchCodeGroup CopyNoChildren()
+ private FirstMatchCodeGroup CopyNoChildren ()
{
FirstMatchCodeGroup copy = new FirstMatchCodeGroup (MembershipCondition, PolicyStatement);
return copy;
}
}
-
}
-