/// <summary>
/// Returns an <c>XmlConfiguration</c> object containing the child nodes specified by the input parameters
/// </summary>
/// <remarks>
/// <P>This method looks under the current node context for a node named <c>section</c>. If found,
/// it then looks for any child elements that contain a node with an attribute called <c>name</c> that
/// have a value as defined by the <c>name</c> parameter. If found, then the <c>section</c> node
/// is returned. If either the <c>section</c> node or the subnode with the <c>name</c> attribute
/// value are not found, <c>Null</c> is returned</P>
/// <P><B>Note:</B> if multiple matches are possible in the XML, only the first match is returned.</P></remarks>
/// <param name="section"><c>String</c> that specifies the XML node name to search</param>
/// <param name="name"><c>String</c> that specifies the value of the name attribute to match</param>
/// <returns><c>XmlConfiguration</c> object with the identified XML node as the root node, or <c>Null</c>
/// if not found</returns>
public XmlConfiguration GetConfig(
String section,
String name)
{
XmlConfiguration retConfig = null;
String xpath = ".//" + section + "/*[@name=\"" + name + "\"]";
//System.Diagnostics.Debug.WriteLine("XmlConfiguration.GetConfig: xpath= " + xpath);
XmlNode node = SelectSingleNode(xpath);
if (node != null) {
retConfig = new XmlConfiguration();
retConfig.LoadXml(node.OuterXml);
//System.Diagnostics.Debug.WriteLine("XmlConfiguration.GetConfig: xml= " + node.OuterXml);
}
return retConfig;
}
/// <summary>
/// Creates the Handler objects from the corresponding section in Loggers.config.
/// </summary>
/// <param name="config"><c>XmlConfiguration</c> section of Loggers.config to pull Handler object settings.</param>
/// <returns></returns>
private void FillHandlers(
XmlConfiguration config)
{
NameValueCollection handlerColl = null;
LogHandler handler = null;
string handlerClass = null;
String attrName = null;
String attrValue = null;
// Loop handler nodes
for (int i = 1; i <= config.SelectNodes("//handlers/handler").Count; i++) {
handlerColl = config.GetAttributes("//handlers/handler[" + i + "]");
try {
// Create handler
handlerClass = handlerColl["class"];
handler = (LogHandler) Activator.CreateInstance(Type.GetType(handlerClass));
// Loop handler attributes and dynamically create the objects properties
for (int j = 0; j < handlerColl.Count; j++) {
attrName = handlerColl.GetKey(j);
attrValue = handlerColl.Get(j);
// set the corresponding attribute of the object
SetObjectAttribute(handler, attrName, attrValue);
}
// Add handler to collection
this.AddHandler(handler);
} catch (Exception e) {
string m = e.Message;
}
handler = null;
handlerClass = null;
handlerColl = null;
}
}
/// <summary>
/// Creates a filter to apply the the Logger from the corresponding section in Loggers.config.
/// </summary>
/// <param name="name"><c>String</c> that specifies the name of the <c>Logger</c> to lookup.</param>
/// <returns><c>ILogFilter</c> set for Logger from config file.</returns>
private static ILogFilter FillFilter(
XmlConfiguration config)
{
ILogFilter filter = null;
NameValueCollection filterColl = null;
string filterClass = null;
config = config.GetConfig("logger", "filter");
// Create the Filter object
try {
filterColl = config.GetAttributes("filter");
filterClass = filterColl["class"];
filter = (ILogFilter) Activator.CreateInstance(Type.GetType(filterClass));
} catch (Exception e) {
// System.MissingMethodException
}
return filter;
}
/// <summary>
/// Creates the Logger object from settings in the Loggers.config.
/// </summary>
/// <param name="name"><c>String</c> that specifies the name of the <c>Logger</c> to lookup.</param>
/// <returns><c>Logger</c> name</returns>
private static Logger FillLogger(
string name)
{
Logger log = null;
XmlConfiguration config = new XmlConfiguration();
try {
// get the path to the loggers.config file from web.config
string loggersConfigPath = ConfigurationSettings.AppSettings["rootPath"];
// Load XmlConfiguration to get settings for this logger
config.Load(loggersConfigPath + ConfigurationSettings.AppSettings["loggersConfigPath"]);
//config.Load(new XmlTextReader(loggersConfigPath + ConfigurationSettings.AppSettings["loggersConfigPath"]));
//config.Load(new XmlTextReader("http://fpwssdev1/PandaDen/XSLT%20Templates/loggers.config"));
log = new Logger(name);
// If there is configuration information, proceed, else return a new empty Logger
if (config != null) {
// this code will read the queue process time from a "settings" section of the config file:
// <settings>
// <!-- the time interval at which the log queue-->
// <setting name="queSettings" queCheckTime="10000" />
// </settings>
//XmlConfiguration queSettings = config.GetConfig("settings", QUEUE_SETTINGS_CONFIG_NAME);
//if (queSettings != null) {
// try {
// NameValueCollection queAttr = queSettings.GetAttributes("./*[1]");
// int period = int.Parse(queAttr[QUEUE_SETTINGS_CHECK_TIME_ATTR]);
// log.queTimer.Change(period, period);
// } catch {}
//}
// get the logger's config settings
config = config.GetConfig("loggers", name);
NameValueCollection loggerAttrs = config.GetAttributes("./*[1]");
// Loop log collection attributes to dynamically set the log object's properties
for (int i = 0; i < loggerAttrs.Count; i++) {
string attrName = loggerAttrs.GetKey(i);
string attrValue = loggerAttrs.Get(i);
// if the attribute is the queue check time attribute, get the value
// and update the queTimer with the new value (in milliseconds)
if (attrName == QUEUE_SETTINGS_CHECK_TIME_ATTR) {
try {
int period = int.Parse(attrValue);
log.queTimer.Change(period, period);
} catch {}
} else {
// set the corresponding attribute of the object
SetObjectAttribute(log, attrName, attrValue);
}
}
// Add Filter and all Handler objects
log.Filter = FillFilter(config);
log.FillHandlers(config);
// Logger objects must have at least one handler
if (log.handlers.Count == 0) {
log = null;
}
}
} catch (Exception e) {
log = null;
}
return log;
}
public ArrayList Init(
XmlConfiguration config)
{
ArrayList objList = new ArrayList();
#region Removing code thats not used anymore
/*
MemberInfo[] attrList;
string attrValue;
Type aType;
PropertyInfo aProperty;
Object propertyValue = null;
MethodInfo aMethod;
*/
#endregion
string className = config.GetValue("//object");
string tableName = config.GetValue("//table");
XmlNodeList columns = config.SelectNodes("//field");
// Build string array
string[] fields = new string[columns.Count];
int i = 0;
foreach (XmlNode node in columns) {
fields.SetValue(node.Attributes["name"].Value, i);
i++;
}
// Get data
IGenericDao dao = DaoFactory.GetGenericDao();
DataSet ds = dao.GetData(tableName, fields);
DataTable dt = ds.Tables[tableName];
// Loop through the data table to build the object list
for (i = 0; i < dt.Rows.Count; i++) {
DataRow dr = dt.Rows[i];
Object anObj = Activator.CreateInstance(Type.GetType(className));
NameValueCollection attributes = new NameValueCollection();
foreach (XmlNode node in columns) {
attributes.Add(node.Attributes["object_attr"].Value, dr[node.Attributes["name"].Value].ToString());
}
ReflectionUtilities.Deserialize(anObj, attributes);
#region Duplicate code from ReflectionUtilities
/*
aType = anObj.GetType();
// Loop through the fields in the config file to set properties for the object
foreach (XmlNode node in columns) {
attrList = aType.FindMembers(MemberTypes.Property,
BindingFlags.Instance | BindingFlags.Public,
this.FindMembersCanWriteDelegate,
//Type.FilterNameIgnoreCase,
node.Attributes["object_attr"].Value);
attrValue = dr[node.Attributes["name"].Value].ToString();
propertyValue = null;
// TODO: Add error tracking code here
if (attrList.Length == 1) {
aProperty = (PropertyInfo) attrList[0];
if (aProperty.PropertyType.IsEnum) {
// Use enumeration values defined in dbMapping if available.
NameValueCollection enumConfig =
(NameValueCollection) ConfigurationSettings.GetConfig("dbMappings/" + aProperty.PropertyType.Name);
if (enumConfig != null && enumConfig[attrValue] != null) {
attrValue = enumConfig[attrValue];
}
aMethod = aProperty.PropertyType.BaseType.GetMethod(
"Parse",
new Type[3]{
Type.GetType("System.Type"),
"".GetType(),
true.GetType()
});
if ((aMethod != null) && (aMethod.IsStatic)) {
propertyValue = aMethod.Invoke(
null,
new object[3]{
aProperty.PropertyType,
attrValue,
true
});
}
} else if (Type.GetTypeCode(aProperty.PropertyType) == Type.GetTypeCode("".GetType())) {
propertyValue = attrValue;
} else {
aMethod = aProperty.PropertyType.GetMethod("Parse", new Type[1]{"".GetType()});
if ((aMethod != null) && (aMethod.IsStatic)) {
try {
propertyValue = aMethod.Invoke(
null,
new object[1]{attrValue});
} catch (Exception e) {
// TODO: Logger name should not be hardcoded here!
LogManager.GetCurrentClassLogger().Error(
errorMessage => errorMessage("DbSingletonBase.Init: PropertyType = '{0}', attrValue = '{1}'",
aProperty.PropertyType,
attrValue),
e);
}
}
}
try {
if (propertyValue != null) {
aMethod = aProperty.GetSetMethod();
aMethod.Invoke(anObj, new[]{propertyValue});
}
} catch (MissingMethodException e) {
// TODO: Handle MissingMethodException
LogManager.GetCurrentClassLogger().Error(
errorMessage => errorMessage("Could not get the property value from field type on the object. Property Name: {0}, Property Type: {1} ",
aProperty.PropertyType,
attrValue),
e);
}
}
}*/
#endregion
objList.Add(anObj);
}
dt.Dispose();
ds.Dispose();
return objList;
}
