/// <include file='doc\FirstMatchCodeGroup.uex' path='docs/doc[@for="FirstMatchCodeGroup.Resolve"]/*' />
public override PolicyStatement Resolve( Evidence evidence )
{
if (evidence == null)
throw new ArgumentNullException("evidence");
if (this.MembershipCondition.Check( evidence ))
{
PolicyStatement childPolicy = null;
IEnumerator enumerator = this.Children.GetEnumerator();
while (enumerator.MoveNext())
{
childPolicy = ((CodeGroup)enumerator.Current).Resolve( evidence );
// If the child has a policy, we are done.
if (childPolicy != null)
break;
}
PolicyStatement thisPolicy = this.PolicyStatement;
if (thisPolicy == null)
{
return childPolicy;
}
else if (childPolicy != null)
{
// Combine the child and this policy and return it.
PolicyStatement combined = new PolicyStatement();
combined.SetPermissionSetNoCopy( thisPolicy.GetPermissionSetNoCopy().Union( childPolicy.GetPermissionSetNoCopy() ) );
// if both this group and matching child group are exclusive we need to throw an exception
if (((thisPolicy.Attributes & childPolicy.Attributes) & PolicyStatementAttribute.Exclusive) == PolicyStatementAttribute.Exclusive)
throw new PolicyException( Environment.GetResourceString( "Policy_MultipleExclusive" ) );
combined.Attributes = thisPolicy.Attributes | childPolicy.Attributes;
return combined;
}
else
{
// Otherwise we just copy the this policy.
return this.PolicyStatement;
}
}
else
{
return null;
}
}
internal CodeGroup(IMembershipCondition membershipCondition, PermissionSet permSet)
{
Contract.Assert(membershipCondition != null, "membershipCondition != null");
Contract.Assert(permSet != null, "permSet != null");
m_membershipCondition = membershipCondition;
m_policy = new PolicyStatement();
m_policy.SetPermissionSetNoCopy(permSet);
m_children = ArrayList.Synchronized(new ArrayList());
m_element = null;
m_parentLevel = null;
}
internal CodeGroup( IMembershipCondition membershipCondition, PermissionSet permSet )
{
BCLDebug.Assert( membershipCondition != null, "membershipCondition != null" );
BCLDebug.Assert( permSet != null, "permSet != null" );
m_membershipCondition = membershipCondition;
m_policy = new PolicyStatement();
m_policy.SetPermissionSetNoCopy( permSet );
m_children = ArrayList.Synchronized( new ArrayList() );
m_element = null;
m_parentLevel = null;
}
/// <include file='doc\FirstMatchCodeGroup.uex' path='docs/doc[@for="FirstMatchCodeGroup.Resolve"]/*' />
public override PolicyStatement Resolve(Evidence evidence)
{
if (evidence == null)
{
throw new ArgumentNullException("evidence");
}
if (this.MembershipCondition.Check(evidence))
{
PolicyStatement childPolicy = null;
IEnumerator enumerator = this.Children.GetEnumerator();
while (enumerator.MoveNext())
{
childPolicy = ((CodeGroup)enumerator.Current).Resolve(evidence);
// If the child has a policy, we are done.
if (childPolicy != null)
{
break;
}
}
PolicyStatement thisPolicy = this.PolicyStatement;
if (thisPolicy == null)
{
return(childPolicy);
}
else if (childPolicy != null)
{
// Combine the child and this policy and return it.
PolicyStatement combined = new PolicyStatement();
combined.SetPermissionSetNoCopy(thisPolicy.GetPermissionSetNoCopy().Union(childPolicy.GetPermissionSetNoCopy()));
// if both this group and matching child group are exclusive we need to throw an exception
if (((thisPolicy.Attributes & childPolicy.Attributes) & PolicyStatementAttribute.Exclusive) == PolicyStatementAttribute.Exclusive)
{
throw new PolicyException(Environment.GetResourceString("Policy_MultipleExclusive"));
}
combined.Attributes = thisPolicy.Attributes | childPolicy.Attributes;
return(combined);
}
else
{
// Otherwise we just copy the this policy.
return(this.PolicyStatement);
}
}
else
{
return(null);
}
}
