/// <summary>
/// Writes the Database to an XML file
/// </summary>
public void Write()
{
// initialize writer settings
XmlWriterSettings writerSettings = new XmlWriterSettings();
writerSettings.Indent = true;
// ready serializer
XmlSerializerNamespaces serializerNameSpace = new XmlSerializerNamespaces();
serializerNameSpace.Add(String.Empty, String.Empty);
XmlSerializer serializer = new XmlSerializer(typeof(DatabaseFile));
// create a new XML writer
using (XmlWriter writer = XmlWriter.Create(XmlFileName, writerSettings))
{
writer.WriteStartDocument(true);
DatabaseFile databaseFile = new DatabaseFile()
{
Files = new List <FileChecksum>(_fileLookup.Values)
};
serializer.Serialize(writer, databaseFile, serializerNameSpace);
writer.WriteEndDocument();
writer.Flush();
}
_hasChanges = false;
}
/// <summary>
/// Loads a Database from a XML file
/// </summary>
/// <param name="fileName">XML file name</param>
/// <param name="basePath">Base path</param>
/// <param name="pathType">Path type</param>
/// <returns>New Database</returns>
public static Database FromFile(string fileName, string basePath, PathType pathType)
{
// ensure file exists first
if (!File.Exists(fileName))
{
// otherwise, return a new empty Database
return(new Database(fileName));
}
// ready serializer
XmlSerializerNamespaces serializerNameSpace = new XmlSerializerNamespaces();
serializerNameSpace.Add(String.Empty, String.Empty);
XmlSerializer serializer = new XmlSerializer(typeof(DatabaseFile));
// load all elements from the XML
DatabaseFile databaseFile = null;
using (StreamReader reader = new StreamReader(fileName))
{
try
{
databaseFile = (DatabaseFile)serializer.Deserialize(reader);
}
catch (XmlException)
{
// let callers handle error
}
catch (InvalidOperationException)
{
// let callers handle error
}
}
if (databaseFile == null)
{
return(null);
}
Database db = new Database()
{
XmlFileName = fileName
};
// initialize all elements into the hash table
foreach (FileChecksum fileChecksum in databaseFile.Files)
{
if (String.IsNullOrEmpty(fileChecksum.ResolvedFileName) ||
String.IsNullOrEmpty(fileChecksum.Checksum))
{
// skip bad entries
continue;
}
// FilePath
fileChecksum.InitFromXml(basePath, pathType);
// add to the database's lookup table
db._fileLookup.Add(fileChecksum.ResolvedFileName, fileChecksum);
}
return(db);
}
/// <summary>
/// Writes the Database to an XML file
/// </summary>
public void Write()
{
// initialize writer settings
XmlWriterSettings writerSettings = new XmlWriterSettings();
writerSettings.Indent = true;
// ready serializer
XmlSerializerNamespaces serializerNameSpace = new XmlSerializerNamespaces();
serializerNameSpace.Add(String.Empty, String.Empty);
XmlSerializer serializer = new XmlSerializer(typeof(DatabaseFile));
// create a new XML writer
using (XmlWriter writer = XmlWriter.Create(XmlFileName, writerSettings))
{
writer.WriteStartDocument(true);
DatabaseFile databaseFile = new DatabaseFile()
{
Files = new List<FileChecksum>(_fileLookup.Values)
};
serializer.Serialize(writer, databaseFile, serializerNameSpace);
writer.WriteEndDocument();
writer.Flush();
}
_hasChanges = false;
}
