ResolveCriteria.cs source code in C# .NET

                        Code:
                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / NetFx40 / System.ServiceModel.Discovery / System / ServiceModel / Discovery / ResolveCriteria.cs / 1305376 / ResolveCriteria.cs
                        
                        
                            //---------------------------------------------------------------- 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//---------------------------------------------------------------
namespace System.ServiceModel.Discovery
{ 
    using System;
    using System.Collections.ObjectModel; 
    using System.Runtime; 
    using System.Xml;
    using System.Xml.Linq; 
    using System.Xml.Schema;
    using SR2 = System.ServiceModel.Discovery.SR;

    [Fx.Tag.XamlVisible(false)] 
    public class ResolveCriteria
    { 
        static TimeSpan defaultDuration = TimeSpan.FromSeconds(20); 

        EndpointAddress endpointAddress; 
        TimeSpan duration;
        NonNullItemCollection extensions;

        public ResolveCriteria() 
            : this(new EndpointAddress(EndpointAddress.AnonymousUri))
        { 
        } 

        public ResolveCriteria(EndpointAddress address) 
        {
            if (address == null)
            {
                throw FxTrace.Exception.ArgumentNull("address"); 
            }
 
            this.endpointAddress = address; 
            this.duration = ResolveCriteria.defaultDuration;
        } 

        public EndpointAddress Address
        {
            get 
            {
                return this.endpointAddress; 
            } 

            set 
            {
                if (value == null)
                {
                    throw FxTrace.Exception.ArgumentNull("value"); 
                }
 
                this.endpointAddress = value; 
            }
        } 

        public TimeSpan Duration
        {
            get 
            {
                return this.duration; 
            } 
            set
            { 
                if (value.CompareTo(TimeSpan.Zero) <= 0)
                {
                    throw FxTrace.Exception.ArgumentOutOfRange("value", value, SR2.DiscoveryResolveDurationLessThanZero);
                } 
                this.duration = value;
            } 
        } 

        public Collection Extensions 
        {
            get
            {
                if (this.extensions == null) 
                {
                    this.extensions = new NonNullItemCollection(); 
                } 

                return this.extensions; 
            }
        }

        [Fx.Tag.Throws(typeof(XmlException), "throws on incorrect xml data")] 
        internal void ReadFrom(DiscoveryVersion discoveryVersion, XmlReader reader)
        { 
            if (discoveryVersion == null) 
            {
                throw FxTrace.Exception.ArgumentNull("discoveryVersion"); 
            }
            if (reader == null)
            {
                throw FxTrace.Exception.ArgumentNull("reader"); 
            }
 
            reader.MoveToContent(); 
            if (reader.IsEmptyElement)
            { 
                reader.Read();
                return;
            }
 
            int startDepth = reader.Depth;
            reader.ReadStartElement(); 
 
            this.endpointAddress = SerializationUtility.ReadEndpointAddress(discoveryVersion, reader);
 
            this.extensions = null;
            this.duration = TimeSpan.MaxValue;
            while (true)
            { 
                reader.MoveToContent();
 
                if ((reader.NodeType == XmlNodeType.EndElement) && (reader.Depth == startDepth)) 
                {
                    break; 
                }
                else if (reader.IsStartElement(ProtocolStrings.SchemaNames.DurationElement, ProtocolStrings.VersionInternal.Namespace))
                {
                    this.duration = SerializationUtility.ReadDuration(reader); 
                }
                else if (reader.IsStartElement()) 
                { 
                    XElement xElement = XElement.ReadFrom(reader) as XElement;
                    Extensions.Add(xElement); 
                }
                else
                {
                    reader.Read(); 
                }
            } 
        } 

        internal void WriteTo(DiscoveryVersion discoveryVersion, XmlWriter writer) 
        {
            if (discoveryVersion == null)
            {
                throw FxTrace.Exception.ArgumentNull("discoveryVersion"); 
            }
            if (writer == null) 
            { 
                throw FxTrace.Exception.ArgumentNull("writer");
            } 

            SerializationUtility.WriteEndPointAddress(discoveryVersion, this.endpointAddress, writer);

            if (this.duration != TimeSpan.MaxValue) 
            {
                writer.WriteElementString( 
                    ProtocolStrings.SchemaNames.DurationElement, 
                    ProtocolStrings.VersionInternal.Namespace,
                    XmlConvert.ToString(this.duration)); 
            }

            if (this.extensions != null)
            { 
                foreach (XElement xElement in Extensions)
                { 
                    xElement.WriteTo(writer); 
                }
            } 
        }
    }
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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ResolveCriteria.cs source code in C# .NET

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