CreateUserStatementNode.cs

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// 
//  Copyright 2010-2015 Deveel
// 
//    Licensed under the Apache License, Version 2.0 (the "License");
//    you may not use this file except in compliance with the License.
//    You may obtain a copy of the License at
// 
//        http://www.apache.org/licenses/LICENSE-2.0
// 
//    Unless required by applicable law or agreed to in writing, software
//    distributed under the License is distributed on an "AS IS" BASIS,
//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//    See the License for the specific language governing permissions and
//    limitations under the License.
//

using System;

using Deveel.Data.Sql.Statements;

namespace Deveel.Data.Sql.Parser {
    class CreateUserStatementNode : SqlStatementNode {
        public string UserName { get; private set; }

        public IUserIdentificatorNode Identificator { get; private set; }

        protected override ISqlNode OnChildNode(ISqlNode node) {
            if (node is IdentifierNode) {
                UserName = ((IdentifierNode) node).Text;
            } else if (node.NodeName.Equals("identified")) {
                Identificator = node.FindNode<IUserIdentificatorNode>();
            }

            return base.OnChildNode(node);
        }

        protected override void BuildStatement(StatementBuilder builder) {
            if (Identificator is IdentifiedByPasswordNode) {
                var passwordNode = (IdentifiedByPasswordNode)Identificator;
                var password = ExpressionBuilder.Build(passwordNode.Password);
                builder.Statements.Add(new CreateUserStatement(UserName, password));
            } else {
                throw new NotSupportedException();
            }
        }
    }
}