ServiceModelConfigurationElementCollection.cs source code in C# .NET

                        Code:
                         / WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / ServiceModel / System / ServiceModel / Configuration / ServiceModelConfigurationElementCollection.cs / 1 / ServiceModelConfigurationElementCollection.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------------------------

namespace System.ServiceModel.Configuration 
{
    using System; 
    using System.Collections; 
    using System.Collections.Generic;
    using System.Configuration; 
    using System.Globalization;
    using System.Text;

    public abstract class ServiceModelConfigurationElementCollection : ConfigurationElementCollection 
        where ConfigurationElementType : ConfigurationElement, new()
    { 
        ConfigurationElementCollectionType collectionType; 
        string elementName;
 
        internal ServiceModelConfigurationElementCollection()
            : this(ConfigurationElementCollectionType.AddRemoveClearMap, null)
        { }
 
        internal ServiceModelConfigurationElementCollection(ConfigurationElementCollectionType collectionType,
            string elementName) 
        { 
            this.collectionType = collectionType;
            this.elementName = elementName; 

            if (!String.IsNullOrEmpty(elementName))
            {
                this.AddElementName = elementName; 
            }
        } 
 
        internal ServiceModelConfigurationElementCollection(ConfigurationElementCollectionType collectionType,
            string elementName, IComparer comparer) : base(comparer) 
        {
            this.collectionType = collectionType;
            this.elementName = elementName;
        } 

        protected override void BaseAdd(ConfigurationElement element) 
        { 
            if (!this.IsReadOnly() && !this.ThrowOnDuplicate)
            { 
                object key = this.GetElementKey(element);

                if (this.ContainsKey(key))
                { 
                    this.BaseRemove(key);
                } 
            } 
            base.BaseAdd(element);
        } 

        public void Add(ConfigurationElementType element)
        {
            if (!this.IsReadOnly()) 
            {
                if (element == null) 
                { 
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("element");
                } 
            }

            this.BaseAdd(element);
        } 

        public void Clear() 
        { 
            this.BaseClear();
        } 

        public override ConfigurationElementCollectionType CollectionType
        {
            get { return this.collectionType; } 
        }
 
        public virtual bool ContainsKey(object key) 
        {
            if (key == null) 
            {
                List elementKeys = new List();

                ConfigurationElement dummyElement = this.CreateNewElement(); 
                foreach (PropertyInformation propertyInfo in dummyElement.ElementInformation.Properties)
                { 
                    if (propertyInfo.IsKey) 
                    {
                        elementKeys.Add(propertyInfo.Name); 
                    }
                }

                if (0 == elementKeys.Count) 
                {
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("key"); 
                } 
                else if (1 == elementKeys.Count)
                { 
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ConfigurationErrorsException(
                        SR.GetString(SR.ConfigElementKeyNull, elementKeys[0])));
                }
                else 
                {
                    StringBuilder elementKeysString = new StringBuilder(); 
 
                    for (int i = 0; i < elementKeys.Count - 1; i++)
                    { 
                        elementKeysString = elementKeysString.Append(elementKeys[i] + ", ");
                    }

                    elementKeysString = elementKeysString.Append(elementKeys[elementKeys.Count - 1]); 

                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ConfigurationErrorsException( 
                        SR.GetString(SR.ConfigElementKeysNull, elementKeys.ToString()))); 
                }
            } 
            else
            {
                return null != this.BaseGet(key);
            } 
        }
 
        protected override ConfigurationElement CreateNewElement() 
        {
            return new ConfigurationElementType(); 
        }

        public void CopyTo(ConfigurationElementType[] array, int start)
        { 
            if (array == null)
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("array"); 
            }
 
            if (start < 0 || start >= array.Length)
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument("start", SR.GetString(SR.ConfigInvalidStartValue,
                    array.Length - 1, 
                    start));
            } 
            ((ICollection)this).CopyTo(array, start); 
        }
 
        protected override string ElementName
        {
            get
            { 
                string retval = this.elementName;
                if (string.IsNullOrEmpty(retval)) 
                { 
                    retval = base.ElementName;
                } 
                return retval;
            }
        }
 
        public int IndexOf(ConfigurationElementType element)
        { 
            if (element == null) 
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("element"); 
            }

            return this.BaseIndexOf(element);
        } 

        public void Remove(ConfigurationElementType element) 
        { 
            if (!this.IsReadOnly())
            { 
                if (element == null)
                {
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("element");
                } 
            }
 
            this.BaseRemove(this.GetElementKey(element)); 
        }
 
        public void RemoveAt(object key)
        {
            if (!this.IsReadOnly())
            { 
                if (key == null)
                { 
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("key"); 
                }
            } 

            this.BaseRemove(key);
        }
 
        public void RemoveAt(int index)
        { 
            this.BaseRemoveAt(index); 
        }
 
        public virtual ConfigurationElementType this[object key]
        {
            get
            { 
                if (key == null)
                { 
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("key"); 
                }
                ConfigurationElementType retval = (ConfigurationElementType)this.BaseGet(key); 
                if (retval == null)
                {
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new System.Collections.Generic.KeyNotFoundException(
                        SR.GetString(SR.ConfigKeyNotFoundInElementCollection, 
                        key.ToString())));
                } 
                return retval; 
            }
            set 
            {
                if (this.IsReadOnly())
                {
                    this.Add(value); 
                }
 
                if (value == null) 
                {
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("value"); 
                }
                if (key == null)
                {
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("key"); 
                }
                if (this.GetElementKey(value).ToString().Equals((string)key, StringComparison.Ordinal)) 
                { 
                    if (this.BaseGet(key) != null)
                    { 
                        this.BaseRemove(key);
                    }
                    this.Add(value);
                } 
                else
                { 
#pragma warning disable 56506 //[....]; Variable 'key' checked for null previously 
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument(SR.GetString(SR.ConfigKeysDoNotMatch,
                        this.GetElementKey(value).ToString(), 
                        key.ToString()));
#pragma warning restore
                }
            } 
        }
 
        public ConfigurationElementType this[int index] 
        {
            get 
            {
                return (ConfigurationElementType)this.BaseGet(index);
            }
            set 
            {
                if (!this.IsReadOnly() && !this.ThrowOnDuplicate) 
                { 
                    if (this.BaseGet(index) != null)
                    { 
                        this.BaseRemoveAt(index);
                    }
                }
                this.BaseAdd(index, value); 
            }
        } 
    } 

} 



// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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ServiceModelConfigurationElementCollection.cs source code in C# .NET

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