Mega Code Archive
Adds the specified element to the specified collection
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#region License
/*
* Copyright 2002-2005 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;
using System.Reflection;
#endregion
namespace Spring.Util
{
/// <summary>
/// Miscellaneous collection utility methods.
/// </summary>
/// <remarks>
/// Mainly for internal use within the framework.
/// </remarks>
/// <author>Mark Pollack (.NET)</author>
public sealed class CollectionUtils
{
/// <summary>
/// Adds the specified <paramref name="element"/> to the specified <paramref name="collection"/> .
/// </summary>
/// <param name="collection">The collection to add the element to.</param>
/// <param name="element">The object to add to the collection.</param>
public static void Add(ICollection collection, object element)
{
Add((IEnumerable)collection, element);
}
/// <summary>
/// Adds the specified <paramref name="element"/> to the specified <paramref name="enumerable"/> .
/// </summary>
/// <param name="enumerable">The enumerable to add the element to.</param>
/// <param name="element">The object to add to the collection.</param>
public static void Add(IEnumerable enumerable, object element)
{
if (enumerable == null)
{
throw new ArgumentNullException("enumerable", "Collection cannot be null.");
}
if (enumerable is IList)
{
((IList)enumerable).Add(element);
return;
}
MethodInfo method;
method = enumerable.GetType().GetMethod("add", BindingFlags.IgnoreCase | BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public);
if (null == method)
{
throw new InvalidOperationException("Enumerable type " + enumerable.GetType() + " does not implement a Add() method.");
}
method.Invoke(enumerable, new Object[] { element });
}
}
}
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