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// Licensed under the MIT License.
using System.Collections.ObjectModel;
using System.Diagnostics.CodeAnalysis;
using System.Management.Automation;
namespace Microsoft.PowerShell.Commands
{
/// <summary>
/// A command to get the property of an item at a specified path.
/// </summary>
[Cmdlet(VerbsCommon.Get, "ItemProperty", DefaultParameterSetName = "Path", SupportsTransactions = true, HelpUri = "https://go.microsoft.com/fwlink/?LinkID=2096493")]
public class GetItemPropertyCommand : ItemPropertyCommandBase
{
#region Parameters
/// <summary>
/// Gets or sets the path parameter to the command.
/// </summary>
[Parameter(Position = 0, ParameterSetName = "Path",
Mandatory = true, ValueFromPipeline = true, ValueFromPipelineByPropertyName = true)]
public string[] Path
{
get
{
return paths;
}
set
{
paths = value;
}
}
/// <summary>
/// Gets or sets the literal path parameter to the command.
/// </summary>
[Parameter(ParameterSetName = "LiteralPath",
Mandatory = true, ValueFromPipeline = false, ValueFromPipelineByPropertyName = true)]
[Alias("PSPath", "LP")]
public string[] LiteralPath
{
get
{
return paths;
}
set
{
base.SuppressWildcardExpansion = true;
paths = value;
}
}
/// <summary>
/// The properties to retrieve from the item.
/// </summary>
[Parameter(Position = 1)]
[Alias("PSProperty")]
public string[] Name
{
get
{
return _property;
}
set
{
_property = value;
}
}
/// <summary>
/// A virtual method for retrieving the dynamic parameters for a cmdlet. Derived cmdlets
/// that require dynamic parameters should override this method and return the
/// dynamic parameter object.
/// </summary>
/// <param name="context">
/// The context under which the command is running.
/// </param>
/// <returns>
/// An object representing the dynamic parameters for the cmdlet or null if there
/// are none.
/// </returns>
internal override object GetDynamicParameters(CmdletProviderContext context)
{
if (Path != null && Path.Length > 0)
{
return InvokeProvider.Property.GetPropertyDynamicParameters(
Path[0],
SessionStateUtilities.ConvertArrayToCollection<string>(_property), context);
}
return InvokeProvider.Property.GetPropertyDynamicParameters(
".",
SessionStateUtilities.ConvertArrayToCollection<string>(_property), context);
}
#endregion Parameters
#region parameter data
/// <summary>
/// The properties to be retrieved.
/// </summary>
private string[] _property;
#endregion parameter data
#region Command code
/// <summary>
/// Gets the properties of an item at the specified path.
/// </summary>
protected override void ProcessRecord()
{
foreach (string path in Path)
{
try
{
InvokeProvider.Property.Get(
path,
SessionStateUtilities.ConvertArrayToCollection<string>(_property),
CmdletProviderContext);
}
catch (PSNotSupportedException notSupported)
{
WriteError(
new ErrorRecord(
notSupported.ErrorRecord,
notSupported));
continue;
}
catch (DriveNotFoundException driveNotFound)
{
WriteError(
new ErrorRecord(
driveNotFound.ErrorRecord,
driveNotFound));
continue;
}
catch (ProviderNotFoundException providerNotFound)
{
WriteError(
new ErrorRecord(
providerNotFound.ErrorRecord,
providerNotFound));
continue;
}
catch (ItemNotFoundException pathNotFound)
{
WriteError(
new ErrorRecord(
pathNotFound.ErrorRecord,
pathNotFound));
continue;
}
}
}
#endregion Command code
}
/// <summary>
/// A command to get the property value of an item at a specified path.
/// </summary>
[Cmdlet(VerbsCommon.Get, "ItemPropertyValue", DefaultParameterSetName = "Path", SupportsTransactions = true, HelpUri = "https://go.microsoft.com/fwlink/?LinkId=2096906")]
public sealed class GetItemPropertyValueCommand : ItemPropertyCommandBase
{
#region Parameters
/// <summary>
/// Gets or sets the path parameter to the command.
/// </summary>
[Parameter(Position = 0, ParameterSetName = "Path", Mandatory = false, ValueFromPipeline = true, ValueFromPipelineByPropertyName = true)]
[ValidateNotNullOrEmpty]
[SuppressMessage("Microsoft.Performance", "CA1819:PropertiesShouldNotReturnArrays")]
public string[] Path
{
get
{
return paths;
}
set
{
paths = value;
}
}
/// <summary>
/// Gets or sets the literal path parameter to the command.
/// </summary>
[Parameter(ParameterSetName = "LiteralPath", Mandatory = true, ValueFromPipelineByPropertyName = true)]
[Alias("PSPath", "LP")]
[SuppressMessage("Microsoft.Performance", "CA1819:PropertiesShouldNotReturnArrays")]
public string[] LiteralPath
{
get
{
return paths;
}
set
{
base.SuppressWildcardExpansion = true;
paths = value;
}
}
/// <summary>
/// The properties to retrieve from the item.
/// </summary>
[Parameter(Position = 1, Mandatory = true)]
[Alias("PSProperty")]
[SuppressMessage("Microsoft.Performance", "CA1819:PropertiesShouldNotReturnArrays")]
public string[] Name
{
get
{
return _property;
}
set
{
_property = value;
}
}
/// <summary>
/// A virtual method for retrieving the dynamic parameters for a cmdlet. Derived cmdlets
/// that require dynamic parameters should override this method and return the
/// dynamic parameter object.
/// </summary>
/// <param name="context">
/// The context under which the command is running.
/// </param>
/// <returns>
/// An object representing the dynamic parameters for the cmdlet or null if there
/// are none.
/// </returns>
internal override object GetDynamicParameters(CmdletProviderContext context)
{
if (Path != null && Path.Length > 0)
{
return InvokeProvider.Property.GetPropertyDynamicParameters(
Path[0],
SessionStateUtilities.ConvertArrayToCollection<string>(_property), context);
}
return InvokeProvider.Property.GetPropertyDynamicParameters(
".",
SessionStateUtilities.ConvertArrayToCollection<string>(_property), context);
}
#endregion Parameters
#region parameter data
/// <summary>
/// The properties to be retrieved.
/// </summary>
private string[] _property;
#endregion parameter data
#region Command code
/// <summary>
/// Gets the values of the properties of an item at the specified path.
/// </summary>
protected override void ProcessRecord()
{
if (Path == null || Path.Length == 0)
{
paths = new string[] { "." };
}
foreach (string path in Path)
{
try
{
Collection<PSObject> itemProperties = InvokeProvider.Property.Get(
new string[] { path },
SessionStateUtilities.ConvertArrayToCollection<string>(_property),
base.SuppressWildcardExpansion);
if (itemProperties != null)
{
foreach (PSObject currentItem in itemProperties)
{
if (this.Name != null)
{
foreach (string currentPropertyName in this.Name)
{
if (currentItem.Properties != null &&
currentItem.Properties[currentPropertyName] != null &&
currentItem.Properties[currentPropertyName].Value != null)
{
CmdletProviderContext.WriteObject(currentItem.Properties[currentPropertyName].Value);
}
}
}
}
}
}
catch (PSNotSupportedException notSupported)
{
WriteError(
new ErrorRecord(
notSupported.ErrorRecord,
notSupported));
continue;
}
catch (DriveNotFoundException driveNotFound)
{
WriteError(
new ErrorRecord(
driveNotFound.ErrorRecord,
driveNotFound));
continue;
}
catch (ProviderNotFoundException providerNotFound)
{
WriteError(
new ErrorRecord(
providerNotFound.ErrorRecord,
providerNotFound));
continue;
}
catch (ItemNotFoundException pathNotFound)
{
WriteError(
new ErrorRecord(
pathNotFound.ErrorRecord,
pathNotFound));
continue;
}
}
}
#endregion Command code
}
}
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