#region License
/*
* Copyright 2002-2008 the original author or authors.
*
* 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
#region Imports
using System;
using System.Collections;
#endregion
namespace Spring.Expressions.Processors{
/// <summary>
/// Reverts order of elements in the list
/// </summary>
/// <author>Erich Eichinger</author>
public class ReverseProcessor : ICollectionProcessor
{
/// <summary>
/// Processes a list of source items and returns a result.
/// </summary>
/// <param name="source">
/// The source list to process.
/// </param>
/// <param name="args">
/// An optional processor arguments array.
/// </param>
/// <returns>
/// The processing result.
/// </returns>
public object Process(ICollection source, object[] args)
{
if (source == null || source.Count == 0)
{
return source;
}
ArrayList list = new ArrayList(source);
list.Reverse();
return list;
}
}
}
|