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//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.ServiceModel.Description
{
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Diagnostics;
using System.Net.Security;
using System.ServiceModel.Security;
[DebuggerDisplay("Name={name}, Namespace={ns}, ContractType={contractType}")]
public class ContractDescription
{
Type callbackContractType;
string configurationName;
Type contractType;
XmlName name;
string ns;
OperationDescriptionCollection operations;
SessionMode sessionMode;
KeyedByTypeCollection<IContractBehavior> behaviors = new KeyedByTypeCollection<IContractBehavior>();
ProtectionLevel protectionLevel;
bool hasProtectionLevel;
public ContractDescription(string name)
: this(name, null)
{
}
public ContractDescription(string name, string ns)
{
// the property setter validates given value
this.Name = name;
if (!string.IsNullOrEmpty(ns))
NamingHelper.CheckUriParameter(ns, "ns");
this.operations = new OperationDescriptionCollection();
this.ns = ns ?? NamingHelper.DefaultNamespace; // ns can be ""
}
internal string CodeName
{
get { return this.name.DecodedName; }
}
[DefaultValue(null)]
public string ConfigurationName
{
get { return this.configurationName; }
set { this.configurationName = value; }
}
public Type ContractType
{
get { return this.contractType; }
set { this.contractType = value; }
}
public Type CallbackContractType
{
get { return this.callbackContractType; }
set { this.callbackContractType = value; }
}
public string Name
{
get { return this.name.EncodedName; }
set
{
if (value == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("value");
}
if (value.Length == 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new ArgumentOutOfRangeException("value", SR.GetString(SR.SFxContractDescriptionNameCannotBeEmpty)));
}
this.name = new XmlName(value, true /*isEncoded*/);
}
}
public string Namespace
{
get { return this.ns; }
set
{
if (!string.IsNullOrEmpty(value))
NamingHelper.CheckUriProperty(value, "Namespace");
this.ns = value;
}
}
public OperationDescriptionCollection Operations
{
get { return this.operations; }
}
public ProtectionLevel ProtectionLevel
{
get { return this.protectionLevel; }
set
{
if (!ProtectionLevelHelper.IsDefined(value))
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("value"));
this.protectionLevel = value;
this.hasProtectionLevel = true;
}
}
public bool ShouldSerializeProtectionLevel()
{
return this.HasProtectionLevel;
}
public bool HasProtectionLevel
{
get { return this.hasProtectionLevel; }
}
[DefaultValue(SessionMode.Allowed)]
public SessionMode SessionMode
{
get { return this.sessionMode; }
set
{
if (!SessionModeHelper.IsDefined(value))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("value"));
}
this.sessionMode = value;
}
}
public KeyedCollection<Type, IContractBehavior> ContractBehaviors
{
get { return this.Behaviors; }
}
[EditorBrowsable(EditorBrowsableState.Never)]
public KeyedByTypeCollection<IContractBehavior> Behaviors
{
get { return this.behaviors; }
}
public static ContractDescription GetContract(Type contractType)
{
if (contractType == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("contractType");
TypeLoader typeLoader = new TypeLoader();
return typeLoader.LoadContractDescription(contractType);
}
public static ContractDescription GetContract(Type contractType, Type serviceType)
{
if (contractType == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("contractType");
if (serviceType == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("serviceType");
TypeLoader typeLoader = new TypeLoader();
ContractDescription description = typeLoader.LoadContractDescription(contractType, serviceType);
return description;
}
public static ContractDescription GetContract(Type contractType, object serviceImplementation)
{
if (contractType == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("contractType");
if (serviceImplementation == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("serviceImplementation");
TypeLoader typeLoader = new TypeLoader();
Type serviceType = serviceImplementation.GetType();
ContractDescription description = typeLoader.LoadContractDescription(contractType, serviceType, serviceImplementation);
return description;
}
public Collection<ContractDescription> GetInheritedContracts()
{
Collection<ContractDescription> result = new Collection<ContractDescription>();
for (int i = 0; i < Operations.Count; i++)
{
OperationDescription od = Operations[i];
if (od.DeclaringContract != this)
{
ContractDescription inheritedContract = od.DeclaringContract;
if (!result.Contains(inheritedContract))
{
result.Add(inheritedContract);
}
}
}
return result;
}
internal void EnsureInvariants()
{
if (string.IsNullOrEmpty(this.Name))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(
SR.GetString(SR.AChannelServiceEndpointSContractSNameIsNull0)));
}
if (this.Namespace == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(
SR.GetString(SR.AChannelServiceEndpointSContractSNamespace0)));
}
if (this.Operations.Count == 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(
SR.GetString(SR.SFxContractHasZeroOperations, this.Name)));
}
bool thereIsAtLeastOneInitiatingOperation = false;
for (int i = 0; i < this.Operations.Count; i++)
{
OperationDescription operationDescription = this.Operations[i];
operationDescription.EnsureInvariants();
if (operationDescription.IsInitiating)
thereIsAtLeastOneInitiatingOperation = true;
if ((!operationDescription.IsInitiating || operationDescription.IsTerminating)
&& (this.SessionMode != SessionMode.Required))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(
SR.GetString(SR.ContractIsNotSelfConsistentItHasOneOrMore2, this.Name)));
}
}
if (!thereIsAtLeastOneInitiatingOperation)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(
SR.GetString(SR.SFxContractHasZeroInitiatingOperations, this.Name)));
}
}
internal bool IsDuplex()
{
for (int i = 0; i < this.operations.Count; ++i)
{
if (this.operations[i].IsServerInitiated())
{
return true;
}
}
return false;
}
}
}
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