private void SaveDocumentButton_Click(object sender, EventArgs e)
{
// Restrict the storing file type
saveFileDialog.Filter = "Text File|*.txt";
saveFileDialog.Title = "Save Text File";
// Disable overwrite alert
saveFileDialog.OverwritePrompt = false;
// Check if there is any topic input
if (!(topicEnter.Text == ""))
{
if (saveFileDialog.ShowDialog() == DialogResult.OK)
{
int rank = 0;
string documentID = null;
// Get speficied file path and topic ID
string path = saveFileDialog.FileName;
string topicID = topicEnter.Text;
// Check whether the specified file already exists or not
if (File.Exists(path))
{
// Append new results to existing file if it is true
using (StreamWriter stwriter = File.AppendText(path))
{
foreach (ScoreDoc scorDoc in topDocResults.ScoreDocs)
{
rank++;
// Use searcher to acquire doucment ID
using (IndexSearcher searcher = new IndexSearcher(IndexingClass.luceneIndexDirectory))
{
documentID = searcher.Doc(scorDoc.Doc).Get(IndexingClass.FieldDOC_ID).ToString();
documentID = documentID.Split(new[] { '\n' })[0];
}
// Write to the file
stwriter.WriteLine("{0,-4} {1,-4} {2,-7} {3,-5} {4,-11} {5}", topicID, "Q0", documentID, rank, scorDoc.Score, "n9843329_n9861718_n5767032_HelloWorldTeam");
}
}
}
else
{
// Create new file if it is false
using (StreamWriter stwriter = new StreamWriter(File.Create(path)))
{
foreach (ScoreDoc scorDoc in topDocResults.ScoreDocs)
{
rank++;
using (IndexSearcher searcher = new IndexSearcher(IndexingClass.luceneIndexDirectory))
{
documentID = searcher.Doc(scorDoc.Doc).Get(IndexingClass.FieldDOC_ID).ToString();
documentID = documentID.Split(new[] { '\n' })[0];
}
stwriter.WriteLine("{0,-4} {1,-4} {2,-7} {3,-5} {4,-11} {5}", topicID, "Q0", documentID, rank, scorDoc.Score, "n9843329_n9861718_n5767032_HelloWorldTeam");
}
}
}
}
this.Hide();
}
// Notify user if he/she did not specify topic ID
else
{
MessageBox.Show("Please specify topic ID");
}
}