#region Copyright
/*
 * Copyright 2005-2015 the Seasar Foundation and the Others.
 *
 * 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.
 */
#endregion

using Seasar.Framework.Util;
using Seasar.Framework.Xml;

namespace Seasar.Framework.Container.Factory
{
    public abstract class MethodTagHandler : TagHandler
    {
        protected void ProcessExpression(
            IMethodDef methodDef, string expression, string tagName)
        {
            string expr = expression;
            if (expr != null)
            {
                expr = expr.Trim();
                if (!StringUtil.IsEmpty(expr))
                {
                    methodDef.Expression = expr;
                }
                else
                {
                    expr = null;
                }
            }
            if (methodDef.MethodName == null && expr == null)
            {
                throw new TagAttributeNotDefinedRuntimeException(tagName, "name");
            }
        }
    }
}