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//----------------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//----------------------------------------------------------------------------
namespace System.ServiceModel.Channels
{
using System.Collections.Generic;
using System.ServiceModel;
using System.Collections.ObjectModel;
using System.Diagnostics;
using System.Runtime.Serialization;
using System.Text;
using System.Xml;
using System.Xml.Schema;
using System.Xml.Serialization;
using System.ServiceModel.Security;
using System.IdentityModel.Claims;
using System.IdentityModel.Policy;
public sealed class AddressHeaderCollection : ReadOnlyCollection<AddressHeader>
{
static AddressHeaderCollection emptyHeaderCollection = new AddressHeaderCollection();
public AddressHeaderCollection()
: base(new List<AddressHeader>())
{
}
public AddressHeaderCollection(IEnumerable<AddressHeader> addressHeaders)
: base(new List<AddressHeader>(addressHeaders))
{
// avoid allocating an enumerator when possible
IList<AddressHeader> collection = addressHeaders as IList<AddressHeader>;
if (collection != null)
{
for (int i = 0; i < collection.Count; i++)
{
if (collection[i] == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentException(SR.GetString(SR.MessageHeaderIsNull0)));
}
}
else
{
foreach (AddressHeader addressHeader in addressHeaders)
{
if (addressHeaders == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentException(SR.GetString(SR.MessageHeaderIsNull0)));
}
}
}
internal static AddressHeaderCollection EmptyHeaderCollection
{
get { return emptyHeaderCollection; }
}
int InternalCount
{
get
{
if (this == (object)emptyHeaderCollection)
return 0;
return Count;
}
}
public void AddHeadersTo(Message message)
{
if (message == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("message");
for (int i = 0; i < InternalCount; i++)
{
#pragma warning suppress 56506 // [....], Message.Headers can never be null
message.Headers.Add(this[i].ToMessageHeader());
}
}
public AddressHeader[] FindAll(string name, string ns)
{
if (name == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException("name"));
if (ns == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException("ns"));
List<AddressHeader> results = new List<AddressHeader>();
for (int i = 0; i < Count; i++)
{
AddressHeader header = this[i];
if (header.Name == name && header.Namespace == ns)
{
results.Add(header);
}
}
return results.ToArray();
}
public AddressHeader FindHeader(string name, string ns)
{
if (name == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException("name"));
if (ns == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException("ns"));
AddressHeader matchingHeader = null;
for (int i = 0; i < Count; i++)
{
AddressHeader header = this[i];
if (header.Name == name && header.Namespace == ns)
{
if (matchingHeader != null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentException(SR.GetString(SR.MultipleMessageHeaders, name, ns)));
matchingHeader = header;
}
}
return matchingHeader;
}
internal bool IsEquivalent(AddressHeaderCollection col)
{
if (InternalCount != col.InternalCount)
return false;
StringBuilder builder = new StringBuilder();
Dictionary<string, int> myHeaders = new Dictionary<string, int>();
PopulateHeaderDictionary(builder, myHeaders);
Dictionary<string, int> otherHeaders = new Dictionary<string, int>();
col.PopulateHeaderDictionary(builder, otherHeaders);
if (myHeaders.Count != otherHeaders.Count)
return false;
foreach (KeyValuePair<string, int> pair in myHeaders)
{
int count;
if (otherHeaders.TryGetValue(pair.Key, out count))
{
if (count != pair.Value)
return false;
}
else
{
return false;
}
}
return true;
}
internal void PopulateHeaderDictionary(StringBuilder builder, Dictionary<string, int> headers)
{
string key;
for (int i = 0; i < InternalCount; ++i)
{
builder.Remove(0, builder.Length);
key = this[i].GetComparableForm(builder);
if (headers.ContainsKey(key))
{
headers[key] = headers[key] + 1;
}
else
{
headers.Add(key, 1);
}
}
}
internal static AddressHeaderCollection ReadServiceParameters(XmlDictionaryReader reader)
{
return ReadServiceParameters(reader, false);
}
internal static AddressHeaderCollection ReadServiceParameters(XmlDictionaryReader reader, bool isReferenceProperty)
{
reader.MoveToContent();
if (reader.IsEmptyElement)
{
reader.Skip();
return null;
}
else
{
reader.ReadStartElement();
List<AddressHeader> headerList = new List<AddressHeader>();
while (reader.IsStartElement())
{
headerList.Add(new BufferedAddressHeader(reader, isReferenceProperty));
}
reader.ReadEndElement();
return new AddressHeaderCollection(headerList);
}
}
internal bool HasReferenceProperties
{
get
{
for (int i = 0; i < InternalCount; i++)
if (this[i].IsReferenceProperty)
return true;
return false;
}
}
internal bool HasNonReferenceProperties
{
get
{
for (int i = 0; i < InternalCount; i++)
if (!this[i].IsReferenceProperty)
return true;
return false;
}
}
internal void WriteReferencePropertyContentsTo(XmlDictionaryWriter writer)
{
for (int i = 0; i < InternalCount; i++)
if (this[i].IsReferenceProperty)
this[i].WriteAddressHeader(writer);
}
internal void WriteNonReferencePropertyContentsTo(XmlDictionaryWriter writer)
{
for (int i = 0; i < InternalCount; i++)
if (!this[i].IsReferenceProperty)
this[i].WriteAddressHeader(writer);
}
internal void WriteContentsTo(XmlDictionaryWriter writer)
{
for (int i = 0; i < InternalCount; i++)
this[i].WriteAddressHeader(writer);
}
}
}
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