243 lines
9.4 KiB
C#
243 lines
9.4 KiB
C#
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/* ============================================================================
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Copyright 2014 Hewlett Packard
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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============================================================================ */
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using System;
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using System.Management.Automation;
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using System.Management.Automation.Provider;
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using System.Xml.Linq;
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using System.Xml.XPath;
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using OpenStack.Client.Powershell.Utility;
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using System.Linq;
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using Openstack.Client.Powershell.Utility;
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namespace OpenStack.Client.Powershell.Providers.Common
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{
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public class BaseNavigationCmdletProvider : NavigationCmdletProvider
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{
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//=========================================================================================
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/// <summary>
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///
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/// </summary>
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//=========================================================================================
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protected OpenStackClient CoreClient
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{
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get
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{
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return (OpenStackClient)this.SessionState.PSVariable.Get("CoreClient").Value;
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}
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set
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{
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this.SessionState.PSVariable.Set(new PSVariable("CoreClient", value));
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}
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}
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//=========================================================================================
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/// <summary>
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///
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/// </summary>
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/// <returns></returns>
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//=========================================================================================
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protected Settings Settings
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{
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get
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{
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return this.Context.Settings;
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}
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}
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//==================================================================================================
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/// <summary>
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///
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/// </summary>
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//==================================================================================================
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protected Context Context
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{
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get
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{
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return (Context)this.SessionState.PSVariable.GetValue("Context", null);
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}
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}
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//==================================================================================================
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/// <summary>
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///
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/// </summary>
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/// <returns></returns>
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//==================================================================================================
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private bool IsContextInitialized()
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{
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if (this.SessionState.PSVariable.GetValue("Context", null) == null) {
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return false;
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}
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else
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{
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return true;
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}
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}
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//=========================================================================================
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/// <summary>
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///
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/// </summary>
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/// <returns></returns>
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//=========================================================================================
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protected string ConfigFilePath
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{
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get
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{
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try
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{
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return (string)this.SessionState.PSVariable.Get("ConfigPath").Value;
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}
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catch (Exception)
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{
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return Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments) + @"\" + @"OS\OpenStack.config";
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}
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}
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}
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//==================================================================================================
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/// <summary>
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///
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/// </summary>
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//==================================================================================================
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private void SetZoneColor(ServiceProvider provider)
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{
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// We don't throw a critical exception if this operation fails..
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AvailabilityZone defZone = provider.AvailabilityZones.Where(z => z.IsDefault == true).DefaultIfEmpty(null).FirstOrDefault();
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if (defZone == null) return;
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Console.ForegroundColor = (ConsoleColor)Enum.Parse(typeof(ConsoleColor), defZone.ShellForegroundColor);
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this.Host.UI.RawUI.ForegroundColor = (ConsoleColor)Enum.Parse(typeof(ConsoleColor), defZone.ShellForegroundColor);
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this.Context.Forecolor = defZone.ShellForegroundColor;
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}
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//==================================================================================================
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/// <summary>
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///
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="service"></param>
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/// <returns></returns>
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//==================================================================================================
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protected T CreateServiceClient<T>(CoreServices service) where T : IOpenStackServiceClient
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{
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ServiceProvider provider = this.Context.CurrentServiceProvider;
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return this.CoreClient.CreateServiceClientByName<T>(provider.ServiceMaps.TranslateServiceName(service));
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}
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//==================================================================================================
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/// <summary>
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///
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/// </summary>
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//==================================================================================================
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protected void InitializeSession()
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{
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ConfigurationManager configManager = new ConfigurationManager();
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ExtensionManager extensionManager = new ExtensionManager(this.SessionState, this.Context);
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configManager.Load();
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ServiceProvider provider = configManager.GetDefaultServiceProvider();
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if (provider.Name == String.Empty && provider.IsDefault == true)
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{
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// Technically Core is already loaded (you're in it :) but this signs in for you to the ServiceProvider selected..
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// This is just used in the case where it's the Users first time loading the CLI..
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extensionManager.LoadCore(provider);
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}
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else
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{
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// Load any extensions that were supplied by the ServiceProvider...
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extensionManager.LoadExtension(provider);
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}
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this.SetZoneColor(provider);
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}
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#region Implementation of DriveCmdletProvider
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//==================================================================================================
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/// <summary>
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/// Removes an Item from the store..
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/// </summary>
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/// <param name="path"></param>
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//==================================================================================================
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protected override void ClearItem(string path)
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{
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base.ClearItem(path);
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}
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//==================================================================================================
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/// <summary>
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/// Called when the user decides to delete a KVSDrive.
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/// </summary>
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/// <param name="drive"></param>
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/// <returns></returns>
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//==================================================================================================
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protected override PSDriveInfo RemoveDrive(PSDriveInfo drive)
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{
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if (drive == null)
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{
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WriteError(new ErrorRecord(new ArgumentNullException("drive"), "NullDrive", ErrorCategory.InvalidArgument, drive));
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return null;
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}
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return drive;
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}
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//==================================================================================================
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/// <summary>
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///
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/// </summary>
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/// <param name="path"></param>
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/// <param name="returnContainers"></param>
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//==================================================================================================
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protected override void GetChildNames(string path, ReturnContainers returnContainers)
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{
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WriteItemObject(path, path, true);
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}
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//==================================================================================================
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/// <summary>
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///
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/// </summary>
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/// <param name="path"></param>
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/// <returns></returns>
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//==================================================================================================
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protected override string GetChildName(string path)
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{
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return base.GetChildName(path);
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}
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//==================================================================================================
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/// <summary>
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///
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/// </summary>
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/// <param name="path"></param>
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/// <returns></returns>
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//==================================================================================================
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protected override bool ItemExists(string path)
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{
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return true;
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}
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#endregion
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//==================================================================================================
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/// <summary>
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/// This test should not verify the existance of the item at the path.
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/// It should only perform syntactic and semantic validation of the
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/// path. For instance, for the file system provider, that path should
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/// be canonicalized, syntactically verified, and ensure that the path
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/// does not refer to a device.
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/// </summary>
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/// <param name="path"></param>
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/// <returns></returns>
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//==================================================================================================
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protected override bool IsValidPath(string path)
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{
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return true;
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}
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}
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}
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