/// <summary>
/// Deserialize a Dao object
/// </summary>
/// <param name="node"></param>
/// <param name="configScope"></param>
/// <returns></returns>
public static Dao Deserialize(XmlNode node, ConfigurationScope configScope)
{
Dao dao = new Dao();
NameValueCollection prop = NodeUtils.ParseAttributes(node, configScope.Properties);
dao.Implementation = NodeUtils.GetStringAttribute(prop, "implementation");
dao.Interface = NodeUtils.GetStringAttribute(prop, "interface");
return dao;
}
/// <summary>
/// Deserialize a Dao object
/// </summary>
/// <param name="node"></param>
/// <param name="configScope"></param>
/// <returns></returns>
public static DaoSessionHandler Deserialize(XmlNode node, ConfigurationScope configScope)
{
DaoSessionHandler daoSessionHandler = new DaoSessionHandler();
NameValueCollection prop = NodeUtils.ParseAttributes(node, configScope.Properties);
daoSessionHandler.Implementation = NodeUtils.GetStringAttribute(prop, "implementation");
daoSessionHandler.Name = NodeUtils.GetStringAttribute(prop, "id");
daoSessionHandler.IsDefault = NodeUtils.GetBooleanAttribute(prop, "default", false);
return daoSessionHandler;
}
/// <summary>
/// Initialize the provider
/// </summary>
/// <param name="configurationScope">The scope of the configuration</param>
/// <returns>A provider</returns>
private IDbProvider ParseProvider(ConfigurationScope configurationScope)
{
XmlNode node = configurationScope.NodeContext.SelectSingleNode( ApplyNamespacePrefix(XML_DATABASE_PROVIDER), configurationScope.XmlNamespaceManager);
configurationScope.ErrorContext.Activity = "configure provider";
if (node != null)
{
configurationScope.ErrorContext.Resource = node.OuterXml.ToString();
string providerName = NodeUtils.ParsePropertyTokens(node.Attributes["name"].Value, configurationScope.Properties);
configurationScope.ErrorContext.ObjectId = providerName;
if (configurationScope.Providers.Contains(providerName) == true)
{
return (IDbProvider)configurationScope.Providers[providerName];
}
else
{
throw new ConfigurationException(
string.Format("Error while configuring the Provider named \"{0}\" in the Context named \"{1}\".",
providerName, configurationScope.NodeContext.Attributes["name"].Value));
}
}
else
{
if(configurationScope.Providers.Contains(DEFAULT_PROVIDER_NAME) == true)
{
return (IDbProvider) configurationScope.Providers[DEFAULT_PROVIDER_NAME];
}
else
{
throw new ConfigurationException(
string.Format("Error while configuring the Context named \"{0}\". There is no default provider.",
configurationScope.NodeContext.Attributes["name"].Value));
}
}
}
/// <summary>
/// Initialize the list of variables defined in the
/// properties file.
/// </summary>
/// <param name="configurationScope">The scope of the configuration</param>
private void ParseGlobalProperties(ConfigurationScope configurationScope)
{
XmlNode nodeProperties = configurationScope.NodeContext.SelectSingleNode(ApplyNamespacePrefix(XML_PROPERTIES), configurationScope.XmlNamespaceManager);
configurationScope.ErrorContext.Activity = "add global properties";
if (nodeProperties != null)
{
if (nodeProperties.HasChildNodes)
{
foreach (XmlNode propertyNode in nodeProperties.SelectNodes(ApplyNamespacePrefix(XML_PROPERTY), configurationScope.XmlNamespaceManager))
{
XmlAttribute keyAttrib = propertyNode.Attributes[KEY_ATTRIBUTE];
XmlAttribute valueAttrib = propertyNode.Attributes[VALUE_ATTRIBUTE];
if ( keyAttrib != null && valueAttrib!=null)
{
configurationScope.Properties.Add( keyAttrib.Value, valueAttrib.Value);
_logger.Info( string.Format("Add property \"{0}\" value \"{1}\"",keyAttrib.Value,valueAttrib.Value) );
}
else
{
// Load the file defined by the attribute
XmlDocument propertiesConfig = Resources.GetAsXmlDocument(propertyNode, configurationScope.Properties);
foreach (XmlNode node in propertiesConfig.SelectNodes(XML_SETTINGS_ADD))
{
configurationScope.Properties[node.Attributes[KEY_ATTRIBUTE].Value] = node.Attributes[VALUE_ATTRIBUTE].Value;
_logger.Info( string.Format("Add property \"{0}\" value \"{1}\"",node.Attributes[KEY_ATTRIBUTE].Value,node.Attributes[VALUE_ATTRIBUTE].Value) );
}
}
}
}
else
{
// JIRA-38 Fix
// <properties> element's InnerXml is currently an empty string anyway
// since <settings> are in properties file
configurationScope.ErrorContext.Resource = nodeProperties.OuterXml.ToString();
// Load the file defined by the attribute
XmlDocument propertiesConfig = Resources.GetAsXmlDocument(nodeProperties, configurationScope.Properties);
foreach (XmlNode node in propertiesConfig.SelectNodes(XML_SETTINGS_ADD))
{
configurationScope.Properties[node.Attributes[KEY_ATTRIBUTE].Value] = node.Attributes[VALUE_ATTRIBUTE].Value;
_logger.Info( string.Format("Add property \"{0}\" value \"{1}\"",node.Attributes[KEY_ATTRIBUTE].Value,node.Attributes[VALUE_ATTRIBUTE].Value) );
}
}
// // Load the file defined by the resource attribut
// XmlDocument propertiesConfig = Resources.GetAsXmlDocument(nodeProperties, configurationScope.Properties);
//
// foreach (XmlNode node in propertiesConfig.SelectNodes("/settings/add"))
// {
// configurationScope.Properties[node.Attributes["key"].Value] = node.Attributes["value"].Value;
// }
}
configurationScope.ErrorContext.Resource = string.Empty;
configurationScope.ErrorContext.MoreInfo = string.Empty;
}
// /// <summary>
// /// Build a provider
// /// </summary>
// /// <param name="node"></param>
// /// <returns></returns>
// /// <remarks>
// /// Not use, I use it to test if it faster than serializer.
// /// But the tests are not concluant...
// /// </remarks>
// private static Provider BuildProvider(XmlNode node)
// {
// XmlAttribute attribute = null;
// Provider provider = new Provider();
//
// attribute = node.Attributes["assemblyName"];
// provider.AssemblyName = attribute.Value;
// attribute = node.Attributes["default"];
// if (attribute != null)
// {
// provider.IsDefault = Convert.ToBoolean( attribute.Value );
// }
// attribute = node.Attributes["enabled"];
// if (attribute != null)
// {
// provider.IsEnabled = Convert.ToBoolean( attribute.Value );
// }
// attribute = node.Attributes["connectionClass"];
// provider.ConnectionClass = attribute.Value;
// attribute = node.Attributes["UseParameterPrefixInSql"];
// if (attribute != null)
// {
// provider.UseParameterPrefixInSql = Convert.ToBoolean( attribute.Value );
// }
// attribute = node.Attributes["useParameterPrefixInParameter"];
// if (attribute != null)
// {
// provider.UseParameterPrefixInParameter = Convert.ToBoolean( attribute.Value );
// }
// attribute = node.Attributes["usePositionalParameters"];
// if (attribute != null)
// {
// provider.UsePositionalParameters = Convert.ToBoolean( attribute.Value );
// }
// attribute = node.Attributes["commandClass"];
// provider.CommandClass = attribute.Value;
// attribute = node.Attributes["parameterClass"];
// provider.ParameterClass = attribute.Value;
// attribute = node.Attributes["parameterDbTypeClass"];
// provider.ParameterDbTypeClass = attribute.Value;
// attribute = node.Attributes["parameterDbTypeProperty"];
// provider.ParameterDbTypeProperty = attribute.Value;
// attribute = node.Attributes["dataAdapterClass"];
// provider.DataAdapterClass = attribute.Value;
// attribute = node.Attributes["commandBuilderClass"];
// provider.CommandBuilderClass = attribute.Value;
// attribute = node.Attributes["commandBuilderClass"];
// provider.CommandBuilderClass = attribute.Value;
// attribute = node.Attributes["name"];
// provider.Name = attribute.Value;
// attribute = node.Attributes["parameterPrefix"];
// provider.ParameterPrefix = attribute.Value;
//
// return provider;
// }
/// <summary>
/// Build the data source object
/// </summary>
/// <param name="configurationScope">The scope of the configuration</param>
/// <returns>A DataSource</returns>
private DataSource ParseDataSource(ConfigurationScope configurationScope)
{
DataSource dataSource = null;
XmlNode node = configurationScope.NodeContext.SelectSingleNode( ApplyNamespacePrefix(XML_DATABASE_DATASOURCE), configurationScope.XmlNamespaceManager);
configurationScope.ErrorContext.Resource = node.InnerXml.ToString();
configurationScope.ErrorContext.MoreInfo = "configure data source";
dataSource = DataSourceDeSerializer.Deserialize( node );
// (DataSource)serializer.Deserialize(new XmlNodeReader(node));
dataSource.ConnectionString = NodeUtils.ParsePropertyTokens(dataSource.ConnectionString, configurationScope.Properties);
configurationScope.ErrorContext.Resource = string.Empty;
configurationScope.ErrorContext.MoreInfo = string.Empty;
return dataSource;
}
/// <summary>
/// Parse dao factory tag
/// </summary>
/// <param name="configurationScope">The scope of the configuration</param>
/// <param name="daoManager"></param>
private void ParseDaoFactory(ConfigurationScope configurationScope, DaoManager daoManager)
{
Dao dao = null;
configurationScope.ErrorContext.MoreInfo = "configure dao";
foreach (XmlNode node in configurationScope.NodeContext.SelectNodes(ApplyNamespacePrefix(XML_DAO), configurationScope.XmlNamespaceManager ))
{
dao = DaoDeSerializer.Deserialize(node, configurationScope);
//(Dao) serializer.Deserialize(new XmlNodeReader(node));
configurationScope.ErrorContext.ObjectId = dao.Implementation;
dao.Initialize(daoManager);
daoManager.RegisterDao(dao);
}
configurationScope.ErrorContext.Resource = string.Empty;
configurationScope.ErrorContext.MoreInfo = string.Empty;
configurationScope.ErrorContext.ObjectId = string.Empty;
}
/// <summary>
/// Load and initialize providers from specified file.
/// </summary>
/// <param name="configurationScope">The scope of the configuration</param>
private void GetProviders(ConfigurationScope configurationScope)
{
IDbProvider provider = null;
XmlDocument xmlProviders = null;
configurationScope.ErrorContext.Activity = "Loading Providers config file";
XmlNode providersNode = null;
providersNode = configurationScope.DaoConfigDocument.SelectSingleNode( ApplyNamespacePrefix(XML_CONFIG_PROVIDERS), configurationScope.XmlNamespaceManager);
if (providersNode != null )
{
xmlProviders = Resources.GetAsXmlDocument( providersNode, configurationScope.Properties );
}
else
{
xmlProviders = Resources.GetConfigAsXmlDocument(PROVIDERS_FILE_NAME);
}
foreach (XmlNode node in xmlProviders.SelectNodes(ApplyProviderNamespacePrefix(XML_PROVIDER), configurationScope.XmlNamespaceManager ) )
{
configurationScope.ErrorContext.Resource = node.InnerXml.ToString();
provider = ProviderDeSerializer.Deserialize(node);
if (provider.IsEnabled == true)
{
configurationScope.ErrorContext.ObjectId = provider.Name;
configurationScope.ErrorContext.MoreInfo = "initialize provider";
provider.Initialize() ;
configurationScope.Providers.Add(provider.Name, provider);
if (provider.IsDefault == true)
{
if (configurationScope.Providers[DEFAULT_PROVIDER_NAME] == null)
{
configurationScope.Providers.Add(DEFAULT_PROVIDER_NAME, provider);
}
else
{
throw new ConfigurationException(
string.Format("Error while configuring the Provider named \"{0}\" There can be only one default Provider.",provider.Name));
}
}
}
}
configurationScope.ErrorContext.Reset();
}
/// <summary>
/// Load and initialize custom DaoSession Handlers.
/// </summary>
/// <param name="configurationScope">The scope of the configuration</param>
private void GetDaoSessionHandlers(ConfigurationScope configurationScope)
{
XmlNode daoSessionHandlersNode = null;
configurationScope.ErrorContext.Activity = "loading custom DaoSession Handlers";
daoSessionHandlersNode = configurationScope.DaoConfigDocument.SelectSingleNode( ApplyNamespacePrefix(XML_DAO_SESSION_HANDLERS), configurationScope.XmlNamespaceManager);
if (daoSessionHandlersNode != null)
{
foreach (XmlNode node in daoSessionHandlersNode.SelectNodes( ApplyNamespacePrefix(XML_HANDLER), configurationScope.XmlNamespaceManager))
{
configurationScope.ErrorContext.Resource = node.InnerXml.ToString();
DaoSessionHandler daoSessionHandler = DaoSessionHandlerDeSerializer.Deserialize(node, configurationScope);
configurationScope.ErrorContext.ObjectId = daoSessionHandler.Name;
configurationScope.ErrorContext.MoreInfo = "build daoSession handler";
configurationScope.DaoSectionHandlers[daoSessionHandler.Name] = daoSessionHandler.TypeInstance;
if (daoSessionHandler.IsDefault == true)
{
configurationScope.DaoSectionHandlers[DEFAULT_DAOSESSIONHANDLER_NAME] = daoSessionHandler.TypeInstance;
}
}
}
configurationScope.ErrorContext.Reset();
}
/// <summary>
/// Build dao contexts
/// </summary>
/// <param name="configurationScope">The scope of the configuration</param>
private void GetContexts(ConfigurationScope configurationScope)
{
DaoManager daoManager = null;
XmlAttribute attribute = null;
// Init
DaoManager.Reset();
// Build one daoManager for each context
foreach (XmlNode contextNode in configurationScope.DaoConfigDocument.SelectNodes(ApplyNamespacePrefix(XML_DAO_CONTEXT), configurationScope.XmlNamespaceManager))
{
configurationScope.ErrorContext.Activity = "build daoManager";
configurationScope.NodeContext = contextNode;
#region Configure a new DaoManager
attribute = contextNode.Attributes["id"];
daoManager = DaoManager.NewInstance(attribute.Value);
configurationScope.ErrorContext.Activity += daoManager.Id;
// default
attribute = contextNode.Attributes["default"];
if (attribute != null)
{
if (attribute.Value=="true")
{
daoManager.IsDefault = true;
}
else
{
daoManager.IsDefault= false;
}
}
else
{
daoManager.IsDefault= false;
}
#endregion
#region Properties
ParseGlobalProperties( configurationScope );
#endregion
#region provider
daoManager.DbProvider = ParseProvider( configurationScope );
configurationScope.ErrorContext.Resource = string.Empty;
configurationScope.ErrorContext.MoreInfo = string.Empty;
configurationScope.ErrorContext.ObjectId = string.Empty;
#endregion
#region DataSource
daoManager.DataSource = ParseDataSource( configurationScope );
daoManager.DataSource.DbProvider = daoManager.DbProvider;
#endregion
#region DaoSessionHandler
XmlNode nodeSessionHandler = contextNode.SelectSingleNode( ApplyNamespacePrefix(XML_DAO_SESSION_HANDLER), configurationScope.XmlNamespaceManager);
configurationScope.ErrorContext.Activity = "configure DaoSessionHandler";
// The resources use to initialize the SessionHandler
IDictionary resources = new Hashtable();
// By default, add the DataSource
resources.Add( "DataSource", daoManager.DataSource);
// By default, add the useConfigFileWatcher
resources.Add( "UseConfigFileWatcher", configurationScope.UseConfigFileWatcher);
IDaoSessionHandler sessionHandler = null;
Type typeSessionHandler = null;
if (nodeSessionHandler!= null)
{
configurationScope.ErrorContext.Resource = nodeSessionHandler.InnerXml.ToString();
typeSessionHandler = configurationScope.DaoSectionHandlers[nodeSessionHandler.Attributes[ID_ATTRIBUTE].Value] as Type;
// Parse property node
foreach(XmlNode nodeProperty in nodeSessionHandler.SelectNodes( ApplyNamespacePrefix(XML_PROPERTY), configurationScope.XmlNamespaceManager ))
{
resources.Add(nodeProperty.Attributes["name"].Value,
NodeUtils.ParsePropertyTokens(nodeProperty.Attributes["value"].Value, configurationScope.Properties));
}
}
else
{
typeSessionHandler = configurationScope.DaoSectionHandlers[DEFAULT_DAOSESSIONHANDLER_NAME] as Type;
}
// Configure the sessionHandler
configurationScope.ErrorContext.ObjectId = typeSessionHandler.FullName;
try
{
sessionHandler =(IDaoSessionHandler)Activator.CreateInstance(typeSessionHandler, EmptyObjects);
}
catch(Exception e)
{
throw new ConfigurationException(
string.Format("DaoManager could not configure DaoSessionHandler. DaoSessionHandler of type \"{0}\", failed. Cause: {1}", typeSessionHandler.Name, e.Message),e
);
}
sessionHandler.Configure(configurationScope.Properties, resources );
daoManager.DaoSessionHandler = sessionHandler;
configurationScope.ErrorContext.Resource = string.Empty;
configurationScope.ErrorContext.MoreInfo = string.Empty;
configurationScope.ErrorContext.ObjectId = string.Empty;
#endregion
#region Build Daos
ParseDaoFactory(configurationScope, daoManager);
#endregion
#region Register DaoManager
configurationScope.ErrorContext.MoreInfo = "register DaoManager";
configurationScope.ErrorContext.ObjectId = daoManager.Id;
DaoManager.RegisterDaoManager(daoManager.Id, daoManager);
configurationScope.ErrorContext.Resource = string.Empty;
configurationScope.ErrorContext.MoreInfo = string.Empty;
configurationScope.ErrorContext.ObjectId = string.Empty;
#endregion
}
}
/// <summary>
/// Load and build the dao managers.
/// </summary>
/// <param name="configurationScope">The scope of the configuration</param>
private void GetConfig(ConfigurationScope configurationScope)
{
GetProviders( configurationScope );
GetDaoSessionHandlers( configurationScope );
GetContexts( configurationScope );
}
/// <summary>
/// Build DaoManagers from config document.
/// </summary>
// [MethodImpl(MethodImplOptions.Synchronized)]
public void BuildDaoManagers(XmlDocument document, bool useConfigFileWatcher)
{
ConfigurationScope configurationScope = new ConfigurationScope();
configurationScope.UseConfigFileWatcher = useConfigFileWatcher;
configurationScope.DaoConfigDocument = document;
configurationScope.XmlNamespaceManager = new XmlNamespaceManager(configurationScope.DaoConfigDocument.NameTable);
configurationScope.XmlNamespaceManager.AddNamespace(DAO_NAMESPACE_PREFIX, DAO_XML_NAMESPACE);
configurationScope.XmlNamespaceManager.AddNamespace(PROVIDERS_NAMESPACE_PREFIX, PROVIDER_XML_NAMESPACE);
try
{
GetConfig( configurationScope );
}
catch(Exception ex)
{
throw new ConfigurationException( configurationScope.ErrorContext.ToString(), ex);
}
}
