// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
 
using System.ServiceModel.Security;
using System.Net.Security;
using System.ServiceModel.Description;
 
namespace System.ServiceModel
{
    [AttributeUsage(ServiceModelAttributeTargets.OperationContract, AllowMultiple = true, Inherited = false)]
    public sealed class FaultContractAttribute : Attribute
    {
        private string _action;
        private string _name;
        private string _ns;
        private Type _type;
        private ProtectionLevel _protectionLevel = ProtectionLevel.None;
        private bool _hasProtectionLevel = false;
 
        public FaultContractAttribute(Type detailType)
        {
            if (detailType == null)
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException("detailType"));
 
            _type = detailType;
        }
 
        public Type DetailType
        {
            get { return _type; }
        }
 
        public string Action
        {
            get { return _action; }
            set
            {
                if (value == null)
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("value");
                _action = value;
            }
        }
 
        public string Name
        {
            get { return _name; }
            set
            {
                if (value == null)
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("value");
                if (value == string.Empty)
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("value",
                        SRServiceModel.SFxNameCannotBeEmpty));
                _name = value;
            }
        }
 
        public string Namespace
        {
            get { return _ns; }
            set
            {
                if (!string.IsNullOrEmpty(value))
                    NamingHelper.CheckUriProperty(value, "Namespace");
                _ns = value;
            }
        }
 
        internal const string ProtectionLevelPropertyName = "ProtectionLevel";
        public ProtectionLevel ProtectionLevel
        {
            get
            {
                return _protectionLevel;
            }
            set
            {
                if (!ProtectionLevelHelper.IsDefined(value))
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("value"));
                _protectionLevel = value;
                _hasProtectionLevel = true;
            }
        }
 
        public bool HasProtectionLevel
        {
            get { return _hasProtectionLevel; }
        }
    }
}