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99 lines
3.2 KiB
C#
99 lines
3.2 KiB
C#
#region License, Terms and Conditions
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//
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// Jayrock - JSON and JSON-RPC for Microsoft .NET Framework and Mono
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// Written by Atif Aziz (atif.aziz@skybow.com)
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// Copyright (c) 2005 Atif Aziz. All rights reserved.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License as published by the Free
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// Software Foundation; either version 2.1 of the License, or (at your option)
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// any later version.
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//
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// This library is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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// FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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// details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with this library; if not, write to the Free Software Foundation, Inc.,
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// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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#endregion
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namespace Jayrock.Configuration
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{
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#region Imports
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using System;
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using System.Collections;
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using System.Configuration;
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using System.Xml;
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#endregion
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public abstract class ListSectionHandler : IConfigurationSectionHandler
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{
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private readonly string _elementName;
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protected ListSectionHandler(string elementName)
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{
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if (elementName == null)
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throw new ArgumentNullException("elementName");
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if (elementName.Length == 0)
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throw new ArgumentException("elementName");
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_elementName = elementName;
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}
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protected string ElementName
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{
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get { return _elementName; }
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}
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public virtual object Create(object parent, object configContext, XmlNode section)
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{
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if (section == null)
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throw new ArgumentNullException("section");
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IList list = CreateList(parent);
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string itemName = ElementName;
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foreach (XmlNode childNode in section.ChildNodes)
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{
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if (childNode.NodeType == XmlNodeType.Comment ||
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childNode.NodeType == XmlNodeType.Whitespace)
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{
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continue;
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}
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if (childNode.NodeType != XmlNodeType.Element)
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{
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throw new ConfigurationErrorsException(string.Format("Unexpected type of node ({0}) in configuration.",
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childNode.NodeType.ToString()), childNode);
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}
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if (childNode.Name != itemName)
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{
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throw new ConfigurationErrorsException(string.Format("Element <{0}> is not valid here in configuration. Use <{1}> elements only.",
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childNode.Name, itemName), childNode);
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}
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list.Add(GetItem((XmlElement) childNode));
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}
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return list;
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}
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protected virtual IList CreateList(object parent)
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{
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return parent != null ?
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new ArrayList((ICollection) parent) :
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new ArrayList(/* capacity */ 4);
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}
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protected abstract object GetItem(XmlElement element);
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}
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}
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