+//
// System.Security.Policy.FirstMatchCodeGroup
//
// Author(s):
// Jackson Harper (Jackson@LatitudeGeo.com)
//
// (C) 2002 Jackson Harper, All rights reserved.
-
-//
// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
-using System;
-
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) : base (e) {}
+ 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 child in Children) {
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 (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;
+ if (!MembershipCondition.Check (evidence))
+ return null;
+
+ 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;
}
}
-
}
-