/// <summary>
/// Write the XML Configuration Header.
/// </summary>
/// <param name="writer">XML Writer</param>
/// <param name="header">Cofniguration Header</param>
private void WriteHeader(XmlWriter writer, ConfigurationHeader header)
{
writer.WriteStartElement(ConstXmlConfigHeader.XML_CONFIG_NODE_HEADER);
{
writer.WriteAttributeString(ConstXmlConfigHeader.XML_CONFIG_HEADER_ATTR_ID, header.Id);
writer.WriteAttributeString(ConstXmlConfigHeader.XML_CONFIG_HEADER_ATTR_GROUP, header.ApplicationGroup);
writer.WriteAttributeString(ConstXmlConfigHeader.XML_CONFIG_HEADER_ATTR_APP, header.Application);
writer.WriteAttributeString(ConstXmlConfigHeader.XML_CONFIG_HEADER_ATTR_NAME, header.Name);
writer.WriteAttributeString(ConstXmlConfigHeader.XML_CONFIG_HEADER_ATTR_VERSION, header.Version.ToString());
if (!String.IsNullOrWhiteSpace(header.Description))
{
writer.WriteStartElement(ConstXmlConfigHeader.XML_CONFIG_HEADER_DESC);
writer.WriteString(header.Description);
writer.WriteEndElement();
}
if (header.CreatedBy != null)
{
WriteModifiedBy(writer, ConstXmlConfigHeader.XML_CONFIG_HEADER_CREATED_BY, header.CreatedBy);
}
if (header.ModifiedBy != null)
{
WriteModifiedBy(writer, ConstXmlConfigHeader.XML_CONFIG_HEADER_UPDATED_BY, header.ModifiedBy);
}
}
writer.WriteEndElement();
}
/// <summary>
/// Parse the configuration header information.
/// </summary>
/// <param name="name">Configuration name</param>
/// <param name="version">Expected configuration version</param>
/// <param name="elem">Header XML element</param>
private void ParseHeader(string name, Version version, XmlElement elem, string passwrod)
{
if (elem.HasAttributes)
{
ConfigurationHeader header = new ConfigurationHeader();
string attr = elem.GetAttribute(ConstXmlConfigHeader.XML_CONFIG_HEADER_ATTR_GROUP);
if (!String.IsNullOrWhiteSpace(attr))
{
header.ApplicationGroup = attr;
}
attr = elem.GetAttribute(ConstXmlConfigHeader.XML_CONFIG_HEADER_ATTR_ID);
if (!String.IsNullOrWhiteSpace(attr))
{
header.Id = attr;
}
attr = elem.GetAttribute(ConstXmlConfigHeader.XML_CONFIG_HEADER_ATTR_APP);
if (!String.IsNullOrWhiteSpace(attr))
{
header.Application = attr;
}
attr = elem.GetAttribute(ConstXmlConfigHeader.XML_CONFIG_HEADER_ATTR_NAME);
if (!String.IsNullOrWhiteSpace(attr))
{
header.Name = attr;
}
attr = elem.GetAttribute(ConstXmlConfigHeader.XML_CONFIG_HEADER_ATTR_VERSION);
if (!String.IsNullOrWhiteSpace(attr))
{
Version ver = Version.Parse(attr);
if (!ver.Equals(version))
{
throw new ConfigurationException(String.Format("Configuration Version mis-match: [expected={0}][actual={1}]", version.ToString(), ver.ToString()));
}
header.Version = ver;
}
if (name != header.Name)
{
throw new ConfigurationException(String.Format("Invalid Configuration: Name mis-match. [expected={0}][actual={1}]", name, header.Name));
}
attr = elem.GetAttribute(ConstXmlConfigHeader.XML_CONFIG_HEADER_ATTR_HASH);
if (!String.IsNullOrWhiteSpace(attr))
{
header.EncryptionHash = attr;
if (String.IsNullOrWhiteSpace(passwrod))
{
throw new ConfigurationException(String.Format("Configuration has encryption, but no password specified. [name={0}]", header.Name));
}
if (!CryptoUtils.CompareHash(header.EncryptionHash, passwrod))
{
throw new ConfigurationException(String.Format("Password doesn't match the hash specified in the configuration. [name={0}]", header.Name));
}
}
if (elem.HasChildNodes)
{
foreach (XmlNode node in elem.ChildNodes)
{
if (node.NodeType == XmlNodeType.Element)
{
if (node.Name == ConstXmlConfigHeader.XML_CONFIG_HEADER_CREATED_BY)
{
ModifiedBy mb = ParseModifiedBy((XmlElement)node);
if (mb != null)
{
header.CreatedBy = mb;
}
}
else if (node.Name == ConstXmlConfigHeader.XML_CONFIG_HEADER_UPDATED_BY)
{
ModifiedBy mb = ParseModifiedBy((XmlElement)node);
if (mb != null)
{
header.ModifiedBy = mb;
}
}
else if (IsTextNode((XmlElement)node))
{
if (node.Name == ConstXmlConfigHeader.XML_CONFIG_HEADER_DESC)
{
header.Description = node.InnerText;
}
}
}
}
}
header.Timestamp = DateTime.Now.Ticks;
LogUtils.Debug(String.Format("Loaded Header: [name={0}]", header.Name), header);
configuration.Header = header;
}
else
{
throw new ConfigurationException(String.Format("Error loading configuration header: No attributes defined. [name={0}]", name));
}
}
