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//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.ServiceModel.Description
{
using System.ServiceModel;
using System.ComponentModel;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Runtime.Serialization;
using System.Xml;
public class PolicyAssertionCollection : Collection<XmlElement>
{
public PolicyAssertionCollection()
{
}
public PolicyAssertionCollection(IEnumerable<XmlElement> elements)
{
if (elements == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("elements");
AddRange(elements);
}
internal void AddRange(IEnumerable<XmlElement> elements)
{
foreach (XmlElement element in elements)
{
base.Add(element);
}
}
public bool Contains(string localName, string namespaceUri)
{
if (localName == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("localName");
if (namespaceUri == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("namespaceUri");
for (int i = 0; i < this.Count; i++)
{
XmlElement item = this[i];
if (item.LocalName == localName && item.NamespaceURI == namespaceUri)
return true;
}
return false;
}
public XmlElement Find(string localName, string namespaceUri)
{
return Find(localName, namespaceUri, false);
}
public XmlElement Remove(string localName, string namespaceUri)
{
return Find(localName, namespaceUri, true);
}
XmlElement Find(string localName, string namespaceUri, bool remove)
{
if (localName == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("localName");
if (namespaceUri == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("namespaceUri");
for (int index = 0; index < this.Count; index++)
{
XmlElement item = this[index];
if (item.LocalName == localName && item.NamespaceURI == namespaceUri)
{
if (remove)
{
RemoveAt(index);
}
return item;
}
}
return null;
}
public Collection<XmlElement> FindAll(string localName, string namespaceUri)
{
return FindAll(localName, namespaceUri, false);
}
public Collection<XmlElement> RemoveAll(string localName, string namespaceUri)
{
return FindAll(localName, namespaceUri, true);
}
Collection<XmlElement> FindAll(string localName, string namespaceUri, bool remove)
{
if (localName == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("localName");
if (namespaceUri == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("namespaceUri");
Collection<XmlElement> collection = new Collection<XmlElement>();
for (int index = 0; index < this.Count; index++)
{
XmlElement item = this[index];
if (item.LocalName == localName && item.NamespaceURI == namespaceUri)
{
if (remove)
{
RemoveAt(index);
// back up the index so we inspect the new item at this location
index--;
}
collection.Add(item);
}
}
return collection;
}
protected override void InsertItem(int index, XmlElement item)
{
if (item == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("item");
base.InsertItem(index, item);
}
protected override void SetItem(int index, XmlElement item)
{
if (item == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("item");
base.SetItem(index, item);
}
}
}
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