/// <summary>
/// Attempts to retrieve the kanji strokes SVG matching the given kanji inside the zip file.
/// </summary>
/// <param name="k">Target kanji.</param>
/// <returns>A kanji strokes entity, never null, that contains either the retrieved data or an
/// empty byte array when the entry was not found.</returns>
private KanjiStrokes RetrieveSvg(KanjiEntity k)
{
KanjiStrokes strokes = new KanjiStrokes();
strokes.FramesSvg = new byte[0];
if (!k.UnicodeValue.HasValue)
{
return strokes;
}
ZipArchive svgZip = GetSvgZipArchive();
string entryName = string.Format("{0}_frames.svg", k.UnicodeValue.Value);
ZipArchiveEntry entry = svgZip.GetEntry(entryName);
if (entry != null)
{
using (Stream stream = entry.Open())
{
strokes.FramesSvg = StringCompressionHelper.Zip(StreamHelper.ReadToEnd(stream));
StringCompressionHelper.Unzip(strokes.FramesSvg);
}
}
return strokes;
}
//public KanjiStrokes GetKanjiStrokes(long id)
//{
// KanjiStrokes result = null;
// DaoConnection connection = null;
// try
// {
// // Create and open synchronously the primary Kanji connection.
// connection = DaoConnection.Open(DaoConnectionEnum.KanjiDatabase);
// // FILTERS COMPUTED.
// // Execute the final request.
// IEnumerable<NameValueCollection> results = connection.Query(
// "SELECT * "
// + "FROM " + SqlHelper.Table_KanjiStrokes + " ks "
// + "WHERE ks." + SqlHelper.Field_KanjiStrokes_Id + "=@ks;",
// new DaoParameter("@ks", id));
// if (results.Any())
// {
// KanjiStrokesBuilder builder = new KanjiStrokesBuilder();
// result = builder.BuildEntity(results.First(), null);
// }
// }
// finally
// {
// if (connection != null)
// {
// connection.Dispose();
// }
// }
// return result;
//}
public KanjiStrokes GetKanjiStrokes(long id)
{
KanjiStrokes result = new KanjiStrokes();
result.ID = id;
result.FramesSvg = new byte[0];
DaoConnection connection = null;
SQLiteDataReader reader = null;
try
{
// Create and open synchronously the primary Kanji connection.
connection = DaoConnection.Open(DaoConnectionEnum.KanjiDatabase);
reader = connection.QueryDataReader(
"SELECT " + SqlHelper.Field_KanjiStrokes_FramesSvg
+ " FROM " + SqlHelper.Table_KanjiStrokes
+ " WHERE " + SqlHelper.Field_KanjiStrokes_Id + "=@id;",
new DaoParameter("@id", id));
while (reader.Read())
{
result.FramesSvg = GetBytes(reader);
}
}
finally
{
if (reader != null)
{
reader.Close();
reader.Dispose();
}
if (connection != null)
{
connection.Dispose();
}
}
return result;
}