/// <summary>
/// Adds an XmlNode to the XmlDocument for the Activity Log. Gets the
/// application directory from the registry and then opens or creates
/// the Activity Log xml file. Appends the new entry to the XmlDocument
/// An XmlException is thrown if there is a problem with loading the xml
/// file.
/// </summary>
/// <example>
/// <code>
/// CCustSchedItem x = new CCustSchedItem();
/// x.Event = "Reconfigure Failed";
/// x.Data = "Custom 1";
/// x.MeterType = "SENTINEL";
/// x.UnitID = "Meter ID 1";
/// x.SerialNumber = "123-456-789";
///
/// x.AddItem();
/// </code>
/// </example>
/// <remarks>
/// Revision History
/// MM/DD/YY who Version Issue# Description
/// -------- --- ------- ------ ---------------------------------------
/// 07/14/05 rrr 7.13.00 N/A Creation of class
/// 04/25/06 mrj 7.30.00 Updated for HH-Pro
/// 01/15/07 mah 8.00.00 Changed registry access class from CE version
/// </remarks>
public void Add()
{
//Local variables
XmlNode xmlnodeRoot;
XmlNode xmlnodeTemp;
bool blnFileCreated = false;
//Get the data directory for the log and get the log file
m_strDirectory = CRegistryHelper.GetDataDirectory(m_strApplication);
blnFileCreated = GetLogFile();
//Create the xml document and load the xml file if need be
if (!blnFileCreated)
{
m_xmldomLog = new System.Xml.XmlDocument();
m_xmldomLog.Load(m_strXmlFile);
}
//Create the xml node to be added
ConstructLogItemNode();
//get the root node to add the xml node to
xmlnodeRoot = m_xmldomLog.LastChild;
xmlnodeTemp = xmlnodeRoot;
//Append the xml node to the root node
if (null != xmlnodeRoot)
{
xmlnodeTemp = xmlnodeRoot.AppendChild(m_xmlnodeLogItem);
}
//Save the xml documents and set variables to null
m_xmldomLog.Save(m_strXmlFile);
m_xmldomLog = null;
xmlnodeTemp = null;
xmlnodeRoot = null;
}
/// <summary>
/// This method reads all of the entries in the activity log and returns
/// them as a generic list.
/// </summary>
/// <param name="strApplication">This string is used to identify the file to read.
/// The assumption is that different applications will be able to generate activity
/// logs and that each file can be looked up using the application name
/// as a registry key
/// </param>
/// <returns>A generic list containing activity log items. A value of NULL will be returned
/// if the file cannot be found. If the file does exist, but is unreadable, the returned list
/// will be empty
/// </returns>
/// <remarks>
/// Revision History
/// MM/DD/YY who Version Issue# Description
/// -------- --- ------- ------ ---------------------------------------
/// 01/16/07 mah 8.00.00 Created
/// </remarks>
public static List <ActivityLogEntry> Read(String strApplication)
{
//Local variables
XmlNodeList xmlEntryNodes;
// XmlNode xmlnodeTemp;
//Get the data directory for the log and get the log file
String strDirectory = CRegistryHelper.GetDataDirectory(strApplication);
//Create file info objects for the xml file to allow us to see if the activity log exists
FileInfo objFile = new FileInfo(strDirectory + XML_FILE);
//if the xml file does not exist than create it otherwise set the
//member variable
if (!objFile.Exists)
{
return(null);
}
else
{
List <ActivityLogEntry> logEventList = new List <ActivityLogEntry>();
String strXmlFile = objFile.FullName;
XmlDocument xmldomLog = new System.Xml.XmlDocument();
xmldomLog.Load(strXmlFile);
xmlEntryNodes = xmldomLog.GetElementsByTagName(NODE_ENTRY);
foreach (XmlNode xmlLogEntry in xmlEntryNodes)
{
ActivityLogEntry logEntry = new ActivityLogEntry(strApplication);
XmlNode xmlEventTime = xmlLogEntry.SelectSingleNode(NODE_TIME);
if (null != xmlEventTime)
{
logEntry.EventTime = DateTime.Parse(xmlEventTime.InnerText, CultureInfo.InvariantCulture);
}
XmlNode xmlMeterType = xmlLogEntry.SelectSingleNode(NODE_METERTYPE);
if (null != xmlMeterType)
{
logEntry.MeterType = xmlMeterType.InnerText;
}
XmlNode xmlMeterID = xmlLogEntry.SelectSingleNode(NODE_UNITID);
if (null != xmlMeterID)
{
logEntry.UnitID = xmlMeterID.InnerText;
}
XmlNode xmlMeterSerialNumber = xmlLogEntry.SelectSingleNode(NODE_SERIAL);
if (null != xmlMeterSerialNumber)
{
logEntry.SerialNumber = xmlMeterSerialNumber.InnerText;
}
XmlNode xmlEvent = xmlLogEntry.SelectSingleNode(NODE_EVENT);
if (null != xmlEvent)
{
logEntry.Event = xmlEvent.InnerText;
}
XmlNode xmlEventData = xmlLogEntry.SelectSingleNode(NODE_DATA);
if (null != xmlEventData)
{
logEntry.Data = xmlEventData.InnerText;
}
logEventList.Add(logEntry);
}
return(logEventList);
}
}