/// <summary>Writes the specified records to the destination file.</summary>
/// <param name="destinationFile">Information about the file in which the contents must be saved.</param>
/// <param name="dataSourceInfo">Optional information about the data source.</param>
/// <param name="contents">The new contents of the file.</param>
/// <returns>The entities after they have been written to the file (in case the saving resulted in some updated values).</returns>
protected override IEnumerable <TEntity> WriteAllRecordsToFile(FileInfo destinationFile, DataSourceInfo dataSourceInfo,
IEnumerable <TEntity> contents)
{
Encoding encoding = this.SourceFileEncoding;
if (FileSourceInfo.IsSourceFileEncodingSpecified(dataSourceInfo))
{
encoding = FileSourceInfo.SelectSourceFileEncoding(dataSourceInfo);
}
Stream fileStream = null;
try {
fileStream = new FileStream(destinationFile.FullName, FileMode.Create, FileAccess.Write);
using (StreamWriter writer = new StreamWriter(fileStream, encoding)) {
fileStream = null;
this.serializer.Serialize(writer, contents.ToList());
return(contents);
}
}
finally {
if (fileStream != null)
{
fileStream.Dispose();
}
}
}
/// <summary>Reads all the available records from the source file.</summary>
/// <param name="sourceFile">Information about the file that must be read.</param>
/// <param name="dataSourceInfo">Optional information about the data source.</param>
/// <returns>The entities that were read from the file.</returns>
protected override IEnumerable <TEntity> ReadAllRecordsFromFile(FileInfo sourceFile, DataSourceInfo dataSourceInfo)
{
Encoding encoding = this.SourceFileEncoding;
if (FileSourceInfo.IsSourceFileEncodingSpecified(dataSourceInfo))
{
encoding = FileSourceInfo.SelectSourceFileEncoding(dataSourceInfo);
}
FileStream fileStream = null;
try {
fileStream = new FileStream(sourceFile.FullName, FileMode.Open, FileAccess.Read);
using (StreamReader reader = new StreamReader(fileStream, encoding)) {
fileStream = null;
IEnumerable <TEntity> result = this.serializer.Deserialize(reader) as List <TEntity>;
return(result);
}
}
finally {
if (fileStream != null)
{
fileStream.Dispose();
}
}
}
/// <summary>Reads all the available records from the source file.</summary>
/// <param name="sourceFile">Information about the file that must be read.</param>
/// <param name="dataSourceInfo">Optional information about the data source.</param>
/// <returns>The entities that were read from the file.</returns>
protected override IEnumerable <TEntity> ReadAllRecordsFromFile(FileInfo sourceFile, DataSourceInfo dataSourceInfo)
{
Encoding encoding = this.SourceFileEncoding;
if (FileSourceInfo.IsSourceFileEncodingSpecified(dataSourceInfo))
{
encoding = FileSourceInfo.SelectSourceFileEncoding(dataSourceInfo);
}
return(this.serializer.Deserialize(sourceFile.FullName, encoding));
}
/// <summary>Writes the specified records to the destination file.</summary>
/// <param name="destinationFile">Information about the file in which the contents must be saved.</param>
/// <param name="dataSourceInfo">Optional information about the data source.</param>
/// <param name="contents">The new contents of the file.</param>
/// <returns>The entities after they have been written to the file (in case the saving resulted in some updated values).</returns>
protected override IEnumerable <TEntity> WriteAllRecordsToFile(FileInfo destinationFile, DataSourceInfo dataSourceInfo,
IEnumerable <TEntity> contents)
{
Encoding encoding = this.SourceFileEncoding;
if (FileSourceInfo.IsSourceFileEncodingSpecified(dataSourceInfo))
{
encoding = FileSourceInfo.SelectSourceFileEncoding(dataSourceInfo);
}
this.serializer.Serialize(contents, destinationFile.FullName, encoding);
return(contents);
}
