public static string GetValue(string key)
{
//Fail if setup hasn't been called
if (!SetupExecutedVar)
{
throw ConfigHubException.BuildException(ConfigHubExceptionType.NotSetup, "Setup must be called before using the ConfigHub", null);
}
if (AutoRefreshVar)
{
RefreshConfiguration();
}
try
{
lock (ConfigHubLock)
{
//Get and return the value
if (AutoRefreshVar)
{
RefreshConfiguration();
}
if (ConfigLookupPair.ContainsKey(key.Trim().ToLower()))
{
return(ConfigLookupPair[key.Trim().ToLower()]);
}
else
{
throw ConfigHubException.BuildException(ConfigHubExceptionType.NoKeyFound, "The key " + key + " was not found", null);
}
}
}
catch (Exception err)
{
throw ConfigHubException.BuildException(ConfigHubExceptionType.GetValue, "Get value failed", err);
}
}
public static void RefreshConfiguration()
{
//Fail if setup hasn't been called
if (!SetupExecutedVar)
{
throw ConfigHubException.BuildException(ConfigHubExceptionType.NotSetup, "Setup must be called before using the ConfigHub", null);
}
try
{
//Load configuration from file
ConfigDocVar.Load(WorkingDirectoryVar + @"\" + ConfigFileNameVar);
List <string> duplicateCheck = new List <string>();
foreach (XmlNode configNode in ConfigDocVar.ChildNodes[0].ChildNodes)
{
if (configNode.Name.Trim().ToLower() == CommentNameVar)
{
//Ignore the Comment
}
else
{
if (duplicateCheck.Contains(configNode.Name.Trim().ToLower()))
{
//Duplicate key failure
throw ConfigHubException.BuildException(ConfigHubExceptionType.DuplicateKey, "The key " + configNode.Name.Trim() + " appears multiple times", null);
}
else
{
//Add configuration key value pair
duplicateCheck.Add(configNode.Name.Trim().ToLower());
if (!ConfigLookupPair.ContainsKey(configNode.Name.Trim().ToLower()))
{
ConfigLookupPair.Add(configNode.Name.Trim().ToLower(), configNode.InnerXml.Trim());
}
else
{
ConfigLookupPair[configNode.Name.Trim().ToLower()] = configNode.InnerXml.Trim();
}
}
}
}
}
catch (Exception err)
{
//Look form root missing and multiple roots
if (err.ToString().ToLower().Contains("root element is missing"))
{
throw ConfigHubException.BuildException(ConfigHubExceptionType.NoRootFound, "No configuration root found", err);
}
else if (err.ToString().ToLower().Contains("multiple root elements"))
{
throw ConfigHubException.BuildException(ConfigHubExceptionType.MultipleRoots, "Multiple configuration roots found", err);
}
else
{
throw ConfigHubException.BuildException(ConfigHubExceptionType.Refresh, "Refresh failed", err);
}
}
}
public static void SetValue(string key, string value)
{
//Fail if setup hasn't been called
if (!SetupExecutedVar)
{
throw ConfigHubException.BuildException(ConfigHubExceptionType.NotSetup, "Setup must be called before using the ConfigHub", null);
}
try
{
lock (ConfigHubLock)
{
//Set the value
bool foundNode = false;
foreach (XmlNode configNode in ConfigDocVar.ChildNodes[0].ChildNodes)
{
if (configNode.Name.Trim().ToLower() == key.Trim().ToLower())
{
configNode.InnerXml = value.Trim();
foundNode = true;
}
}
if (!foundNode)
{
XmlNode newNode = ConfigDocVar.CreateNode("element", key.Trim(), "");
newNode.InnerXml = value.Trim();
ConfigDocVar.ChildNodes[0].AppendChild(newNode);
}
//Save the config file
ConfigDocVar.Save(WorkingDirectoryVar + @"\" + ConfigFileNameVar);
RefreshConfiguration();
}
}
catch (Exception err)
{
throw ConfigHubException.BuildException(ConfigHubExceptionType.SetValue, "Set value failed", err);
}
}
