/*
* <log4j:event logger="WorldDirect.ChimneySweeper.Server.ChimneyService.BaseApplication" level="INFO" timestamp="1439817232886" thread="1">
* <log4j:message>Starting Rauchfangkehrer</log4j:message>
* <log4j:properties>
* <log4j:data name="log4japp" value="Server.ChimneyService.exe(8428)" />
* <log4j:data name="log4jmachinename" value="DKU" />
* </log4j:properties>
* </log4j:event>
*/
public IEnumerable <Log> Convert(string text)
{
try {
Log log = new Log();
XmlReaderSettings settings = new XmlReaderSettings()
{
ConformanceLevel = ConformanceLevel.Fragment
};
MemoryStream stream = new MemoryStream();
StreamWriter writer = new StreamWriter(stream, Encoding.UTF8);
writer.Write(text);
writer.Flush();
stream.Position = 0;
var doc = new XmlDocument();
using (var sr = new StringReader(text)) {
using (var xtr = new XmlTextReader(sr)
{
Namespaces = false
}) {
doc.Load(xtr);
}
}
if (doc.ChildNodes.Count == 1)
{
XmlNode root = doc.ChildNodes[0];
if (root.NodeType == XmlNodeType.Element)
{
var attributes = root.Attributes;
XmlNode attribute = attributes.GetNamedItem("logger");
if (attribute != null)
{
log.Namespace = attribute.Value;
}
attribute = attributes.GetNamedItem("level");
if (attribute != null)
{
log.Level = LoggingLevel.FromName(attribute.Value);
}
attribute = attributes.GetNamedItem("timestamp");
if (attribute != null)
{
var timespan = TimeSpan.FromMilliseconds(Int64.Parse(attribute.Value));
log.Timestamp = new DateTime(1970, 1, 1).Add(timespan);
}
attribute = attributes.GetNamedItem("thread");
if (attribute != null)
{
log.Thread = attribute.Value;
}
foreach (XmlNode child in root.ChildNodes)
{
if (child.NodeType != XmlNodeType.Element)
{
continue;
}
if (child.Name.EndsWith("message"))
{
log.Message = child.InnerText;
}
if (child.Name.EndsWith("throwable"))
{
log.Exception = child.InnerText;
}
if (child.Name.EndsWith("properties"))
{
IList <Property> properties = new List <Property>();
foreach (XmlNode property in child.ChildNodes)
{
properties.Add(new Property(property.Attributes.GetNamedItem("name").Value, property.Attributes.GetNamedItem("value").Value));
}
log.Properties = properties;
var application = log.Properties.FirstOrDefault(m => m.Name == "log4japp");
log.Application = application == null ? Constants.APPLICATION_GLOBAL : application.Value;
var context = log.Properties.Where(m => !m.Name.StartsWith("log4j")).OrderBy(m => m.Name).Select(m => m.Name + ": " + m.Value);
log.Context = String.Join(", ", context);
}
}
}
}
return(new Log[] { log });
} catch (Exception e) {
Logger.Error(e, "Could not read chainsaw data");
}
return(new Log[] { Log.DEFAULT });
}