/* RssFeedCollection.cs
* ====================
*
* RSS.NET (http://rss-net.sf.net/)
* Copyright 2002, 2003 George Tsiokos. All Rights Reserved.
*
* RSS 2.0 (http://blogs.law.harvard.edu/tech/rss)
* RSS 2.0 is offered by the Berkman Center for Internet & Society at
* Harvard Law School under the terms of the Attribution/Share Alike
* Creative Commons license.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
using System;
using System.Collections;
namespace Rss{
/// <summary>A strongly typed collection of <see cref="RssFeed"/> objects</summary>
[Serializable()]
public class RssFeedCollection : CollectionBase
{
/// <summary>Gets or sets the feed at a specified index.<para>In C#, this property is the indexer for the class.</para></summary>
/// <param name="index">The index of the collection to access.</param>
/// <value>A feed at each valid index.</value>
/// <remarks>This method is an indexer that can be used to access the collection.</remarks>
/// <exception cref="ArgumentOutOfRangeException">index is not a valid index.</exception>
public RssFeed this[int index]
{
get { return ((RssFeed)(List[index])); }
set { List[index] = value; }
}
/// <summary>Gets or sets the feed with the given name.<para>In C#, this property is the indexer for the class.</para></summary>
/// <param name="url">The url of the feed to access.</param>
/// <value>A feed at each valid url. If the feed does not exist, null.</value>
/// <remarks>This method is an indexer that can be used to access the collection.</remarks>
public RssFeed this[string url]
{
get
{
for (int i=0; i<List.Count; i++)
{
if (((RssFeed)List[i]).Url == url)
{
return this[i];
}
}
return null;
}
}
/// <summary>Adds a specified feed to this collection.</summary>
/// <param name="feed">The feed to add.</param>
/// <returns>The zero-based index of the added feed.</returns>
public int Add(RssFeed feed)
{
return List.Add(feed);
}
/// <summary>Determines whether the RssFeedCollection contains a specific element.</summary>
/// <param name="rssFeed">The RssFeed to locate in the RssFeedCollection.</param>
/// <returns>true if the RssFeedCollection contains the specified value; otherwise, false.</returns>
public bool Contains(RssFeed rssFeed)
{
return List.Contains(rssFeed);
}
/// <summary>Copies the entire RssFeedCollection to a compatible one-dimensional <see cref="Array"/>, starting at the specified index of the target array.</summary>
/// <param name="array">The one-dimensional RssFeed Array that is the destination of the elements copied from RssFeedCollection. The Array must have zero-based indexing.</param>
/// <param name="index">The zero-based index in array at which copying begins.</param>
/// <exception cref="ArgumentNullException">array is a null reference (Nothing in Visual Basic).</exception>
/// <exception cref="ArgumentOutOfRangeException">index is less than zero.</exception>
/// <exception cref="ArgumentException">array is multidimensional. -or- index is equal to or greater than the length of array.-or-The number of elements in the source RssFeedCollection is greater than the available space from index to the end of the destination array.</exception>
public void CopyTo(RssFeed[] array, int index)
{
List.CopyTo(array, index);
}
/// <summary>Searches for the specified RssFeed and returns the zero-based index of the first occurrence within the entire RssFeedCollection.</summary>
/// <param name="rssFeed">The RssFeed to locate in the RssFeedCollection.</param>
/// <returns>The zero-based index of the first occurrence of RssFeed within the entire RssFeedCollection, if found; otherwise, -1.</returns>
public int IndexOf(RssFeed rssFeed)
{
return List.IndexOf(rssFeed);
}
/// <summary>Inserts a feed into this collection at a specified index.</summary>
/// <param name="index">The zero-based index of the collection at which to insert the feed.</param>
/// <param name="feed">The feed to insert into this collection.</param>
public void Insert(int index, RssFeed feed)
{
List.Insert(index, feed);
}
/// <summary>Removes a specified category from this collection.</summary>
/// <param name="feed">The category to remove.</param>
public void Remove(RssFeed feed)
{
List.Remove(feed);
}
}
}
|