100 lines
3.5 KiB
C#
100 lines
3.5 KiB
C#
// Copyright (c) 2012, Outercurve Foundation.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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//
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// - Redistributions of source code must retain the above copyright notice, this
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// list of conditions and the following disclaimer.
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//
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// - Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// - Neither the name of the Outercurve Foundation nor the names of its
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// contributors may be used to endorse or promote products derived from this
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// software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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using System.Management;
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namespace WebsitePanel.Setup
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{
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/// <summary>
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/// Wmi helper class.
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/// </summary>
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internal sealed class WmiHelper
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{
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// namespace
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private string ns = null;
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// scope
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private ManagementScope scope = null;
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/// <summary>
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/// Initializes a new instance of the class.
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/// </summary>
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/// <param name="ns">Namespace.</param>
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public WmiHelper(string ns)
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{
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this.ns = ns;
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}
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/// <summary>
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/// Executes specified query.
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/// </summary>
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/// <param name="query">Query to execute.</param>
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/// <returns>Resulting collection.</returns>
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internal ManagementObjectCollection ExecuteQuery(string query)
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{
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ObjectQuery objectQuery = new ObjectQuery(query);
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ManagementObjectSearcher searcher =
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new ManagementObjectSearcher(WmiScope, objectQuery);
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return searcher.Get();
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}
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/// <summary>
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/// Retreives ManagementClass class initialized to the given WMI path.
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/// </summary>
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/// <param name="path">A ManagementPath specifying which WMI class to bind to.</param>
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/// <returns>Instance of the ManagementClass class.</returns>
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internal ManagementClass GetClass(string path)
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{
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return new ManagementClass(WmiScope, new ManagementPath(path), null);
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}
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/// <summary>
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/// Retreives ManagementObject class bound to the specified WMI path.
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/// </summary>
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/// <param name="path">A ManagementPath that contains a path to a WMI object.</param>
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/// <returns>Instance of the ManagementObject class.</returns>
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internal ManagementObject GetObject(string path)
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{
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return new ManagementObject(WmiScope, new ManagementPath(path), null);
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}
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public ManagementScope WmiScope
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{
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get
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{
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if(scope == null)
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{
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ManagementPath path = new ManagementPath(ns);
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scope = new ManagementScope(path, new ConnectionOptions());
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scope.Connect();
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}
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return scope;
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}
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}
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}
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}
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