// 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.Description;
using System.ServiceModel.Security;
using System.Net.Security;
 
namespace System.ServiceModel
{
    public abstract class MessageContractMemberAttribute : Attribute
    {
        private string _name;
        private string _ns;
        private bool _isNameSetExplicit;
        private bool _isNamespaceSetExplicit;
        private ProtectionLevel _protectionLevel = ProtectionLevel.None;
        private bool _hasProtectionLevel = false;
 
        internal const string NamespacePropertyName = "Namespace";
        public string Namespace
        {
            get { return _ns; }
            set
            {
                if (value == null)
                {
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("value");
                }
 
                if (value.Length > 0)
                {
                    NamingHelper.CheckUriProperty(value, "Namespace");
                }
                _ns = value;
                _isNamespaceSetExplicit = true;
            }
        }
 
        internal bool IsNamespaceSetExplicit
        {
            get { return _isNamespaceSetExplicit; }
        }
 
        internal const string NamePropertyName = "Name";
        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; _isNameSetExplicit = true;
            }
        }
 
        internal bool IsNameSetExplicit
        {
            get { return _isNameSetExplicit; }
        }
 
        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; }
        }
    }
}