From 2ca4b7d03adfa3cc7c9c6a597a11762142d5b34b Mon Sep 17 00:00:00 2001
From: LukePulverenti <luke.pulverenti@gmail.com>
Date: Mon, 4 Mar 2013 00:43:06 -0500
Subject: Created IConfigurationManager

---
 .../Configuration/BaseConfigurationManager.cs      | 123 +++++++++++++++++++++
 1 file changed, 123 insertions(+)
 create mode 100644 MediaBrowser.Common.Implementations/Configuration/BaseConfigurationManager.cs

(limited to 'MediaBrowser.Common.Implementations/Configuration/BaseConfigurationManager.cs')

diff --git a/MediaBrowser.Common.Implementations/Configuration/BaseConfigurationManager.cs b/MediaBrowser.Common.Implementations/Configuration/BaseConfigurationManager.cs
new file mode 100644
index 000000000..2f50f5f7a
--- /dev/null
+++ b/MediaBrowser.Common.Implementations/Configuration/BaseConfigurationManager.cs
@@ -0,0 +1,123 @@
+using MediaBrowser.Common.Configuration;
+using MediaBrowser.Common.Events;
+using MediaBrowser.Model.Configuration;
+using MediaBrowser.Model.Logging;
+using MediaBrowser.Model.Serialization;
+using System;
+using System.Threading;
+
+namespace MediaBrowser.Common.Implementations.Configuration
+{
+    /// <summary>
+    /// Class BaseConfigurationManager
+    /// </summary>
+    public abstract class BaseConfigurationManager : IConfigurationManager
+    {
+        /// <summary>
+        /// Gets the type of the configuration.
+        /// </summary>
+        /// <value>The type of the configuration.</value>
+        protected abstract Type ConfigurationType { get; }
+
+        /// <summary>
+        /// Occurs when [configuration updated].
+        /// </summary>
+        public event EventHandler<EventArgs> ConfigurationUpdated;
+
+        /// <summary>
+        /// Gets the logger.
+        /// </summary>
+        /// <value>The logger.</value>
+        protected ILogger Logger { get; private set; }
+        /// <summary>
+        /// Gets the XML serializer.
+        /// </summary>
+        /// <value>The XML serializer.</value>
+        protected IXmlSerializer XmlSerializer { get; private set; }
+
+        /// <summary>
+        /// Gets or sets the application paths.
+        /// </summary>
+        /// <value>The application paths.</value>
+        public IApplicationPaths CommonApplicationPaths { get; private set; }
+
+        /// <summary>
+        /// The _configuration loaded
+        /// </summary>
+        private bool _configurationLoaded;
+        /// <summary>
+        /// The _configuration sync lock
+        /// </summary>
+        private object _configurationSyncLock = new object();
+        /// <summary>
+        /// The _configuration
+        /// </summary>
+        private BaseApplicationConfiguration _configuration;
+        /// <summary>
+        /// Gets the system configuration
+        /// </summary>
+        /// <value>The configuration.</value>
+        public BaseApplicationConfiguration CommonConfiguration
+        {
+            get
+            {
+                // Lazy load
+                LazyInitializer.EnsureInitialized(ref _configuration, ref _configurationLoaded, ref _configurationSyncLock, () => (BaseApplicationConfiguration)ConfigurationHelper.GetXmlConfiguration(ConfigurationType, CommonApplicationPaths.SystemConfigurationFilePath, XmlSerializer));
+                return _configuration;
+            }
+            protected set
+            {
+                _configuration = value;
+
+                _configurationLoaded = value != null;
+            }
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="BaseConfigurationManager" /> class.
+        /// </summary>
+        /// <param name="applicationPaths">The application paths.</param>
+        /// <param name="logManager">The log manager.</param>
+        /// <param name="xmlSerializer">The XML serializer.</param>
+        protected BaseConfigurationManager(IApplicationPaths applicationPaths, ILogManager logManager, IXmlSerializer xmlSerializer)
+        {
+            CommonApplicationPaths = applicationPaths;
+            XmlSerializer = xmlSerializer;
+            Logger = logManager.GetLogger(GetType().Name);
+        }
+
+        /// <summary>
+        /// The _save lock
+        /// </summary>
+        private readonly object _configurationSaveLock = new object();
+
+        /// <summary>
+        /// Saves the configuration.
+        /// </summary>
+        public void SaveConfiguration()
+        {
+            lock (_configurationSaveLock)
+            {
+                XmlSerializer.SerializeToFile(CommonConfiguration, CommonApplicationPaths.SystemConfigurationFilePath);
+            } 
+            
+            EventHelper.QueueEventIfNotNull(ConfigurationUpdated, this, EventArgs.Empty, Logger);
+        }
+
+        /// <summary>
+        /// Replaces the configuration.
+        /// </summary>
+        /// <param name="newConfiguration">The new configuration.</param>
+        /// <exception cref="System.ArgumentNullException">newConfiguration</exception>
+        public void ReplaceConfiguration(BaseApplicationConfiguration newConfiguration)
+        {
+            if (newConfiguration == null)
+            {
+                throw new ArgumentNullException("newConfiguration");
+            }
+
+            CommonConfiguration = newConfiguration;
+            SaveConfiguration();
+        }
+    }
+}
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