public List <MusicArtist> Search(MusicArtist musicArtist, string path)
{
currentDoc = XDocument.Load(@path);
resList = new List <MusicArtist>();
List <XElement> matches = (from value in currentDoc.Descendants("MusicArtist")
where ((musicArtist.Name == String.Empty || musicArtist.Name == value.Attribute("Name").Value) &&
(musicArtist.Genre == String.Empty || musicArtist.Genre == value.Attribute("MajorGenre").Value) &&
(musicArtist.IncomePerYear == String.Empty || musicArtist.IncomePerYear == value.Attribute("IncomePerYear").Value) &&
(musicArtist.Country == String.Empty || musicArtist.Country == value.Attribute("Country").Value) &&
(musicArtist.Band == String.Empty || musicArtist.Band == value.Attribute("ArtistBand").Value) &&
(musicArtist.Activity == String.Empty || musicArtist.Activity == value.Attribute("MusicActivity").Value))
select value).ToList();
foreach (XElement match in matches)
{
MusicArtist artist = new MusicArtist();
artist.Name = match.Attribute("Name").Value;
artist.Genre = match.Attribute("MajorGenre").Value;
artist.Country = match.Attribute("Country").Value;
artist.IncomePerYear = match.Attribute("IncomePerYear").Value;
artist.Band = match.Attribute("ArtistBand").Value;
artist.Activity = match.Attribute("MusicActivity").Value;
resList.Add(artist);
}
return(resList);
}
public bool Compare(MusicArtist temp)
{
if (this.Name == temp.Name && this.Genre == temp.Genre && this.Country == temp.Country &&
this.IncomePerYear == temp.IncomePerYear && this.Band == temp.Band && this.Activity == temp.Activity)
{
return(true);
}
return(false);
}
public MusicArtist GetInfo(XmlNode node)
{
MusicArtist mA = new MusicArtist();
mA.Name = node.Attributes.GetNamedItem("Name").Value;
mA.Genre = node.Attributes.GetNamedItem("MajorGenre").Value;
mA.Country = node.Attributes.GetNamedItem("Country").Value;
mA.IncomePerYear = node.Attributes.GetNamedItem("IncomePerYear").Value;
mA.Band = node.Attributes.GetNamedItem("ArtistBand").Value;
mA.Activity = node.Attributes.GetNamedItem("MusicActivity").Value;
return(mA);
}
public List <MusicArtist> Search(MusicArtist musicArtist, string path)
{
List <MusicArtist> resList = new List <MusicArtist>();
XmlReader reader = XmlReader.Create(path);
MusicArtist found = null;
while (reader.Read())
{
switch (reader.NodeType)
{
case XmlNodeType.Element:
if (reader.Name == "MusicArtist")
{
found = new MusicArtist();
while (reader.MoveToNextAttribute())
{
if (reader.Name == "Name")
{
found.Name = reader.Value;
}
if (reader.Name == "MajorGenre")
{
found.Genre = reader.Value;
}
if (reader.Name == "Country")
{
found.Country = reader.Value;
}
if (reader.Name == "IncomePerYear")
{
found.IncomePerYear = reader.Value;
}
if (reader.Name == "ArtistBand")
{
found.Band = reader.Value;
}
if (reader.Name == "MusicActivity")
{
found.Activity = reader.Value;
}
}
resList.Add(found);
}
break;
}
}
lastRes = Filter(resList, musicArtist);
return(lastRes);
}
private void Search()
{
resBox.Clear();
musicArtist = new MusicArtist();
IStrategy chosenStrategy;
if (artistBox.Checked)
{
musicArtist.Name = artistCmbBox.Text;
}
if (genreBox.Checked)
{
musicArtist.Genre = genreCmbBox.Text;
}
if (countryBox.Checked)
{
musicArtist.Country = countryCmbBox.Text;
}
if (incomeBox.Checked)
{
musicArtist.IncomePerYear = incomeCmbBox.Text;
}
if (bandBox.Checked)
{
musicArtist.Band = bandCmbBox.Text;
}
if (activityBox.Checked)
{
musicArtist.Activity = activityCmbBox.Text;
}
if (domBtn.Checked)
{
chosenStrategy = new DOM();
List <MusicArtist> resList = chosenStrategy.Search(musicArtist, path);
ShowResults(resList);
}
if (saxBtn.Checked)
{
chosenStrategy = new SAX();
List <MusicArtist> resList = chosenStrategy.Search(musicArtist, path);
ShowResults(resList);
}
if (linqToXmlBtn.Checked)
{
chosenStrategy = new LINQtoXML();
List <MusicArtist> resList = chosenStrategy.Search(musicArtist, path);
ShowResults(resList);
}
}
private List <MusicArtist> Filter(List <MusicArtist> resList, MusicArtist temp)
{
List <MusicArtist> newRes = new List <MusicArtist>();
if (resList != null)
{
foreach (MusicArtist artist in resList)
{
if ((temp.Name == artist.Name || temp.Name == String.Empty) &&
(temp.Genre == artist.Genre || temp.Genre == String.Empty) &&
(temp.Country == artist.Country || temp.Country == String.Empty) &&
(temp.IncomePerYear == artist.IncomePerYear || temp.IncomePerYear == String.Empty) &&
(temp.Band == artist.Band || temp.Band == String.Empty) &&
(temp.Activity == artist.Activity || temp.Activity == String.Empty))
{
newRes.Add(artist);
}
}
}
return(newRes);
}
public List <MusicArtist> CheckNodes(List <List <MusicArtist> > artists, MusicArtist obj)
{
List <MusicArtist> newRes = new List <MusicArtist>();
foreach (List <MusicArtist> artList in artists)
{
foreach (MusicArtist artist in artList)
{
if ((obj.Name == artist.Name || obj.Name == String.Empty) &&
(obj.Genre == artist.Genre || obj.Genre == String.Empty) &&
(obj.Country == artist.Country || obj.Country == String.Empty) &&
(obj.IncomePerYear == artist.IncomePerYear || obj.IncomePerYear == String.Empty) &&
(obj.Band == artist.Band || obj.Band == String.Empty) &&
(obj.Activity == artist.Activity || obj.Activity == String.Empty))
{
newRes.Add(artist);
}
}
}
return(newRes);
}
public List <MusicArtist> Search(MusicArtist musicArtist, string path)
{
XmlDocument currentDoc = new XmlDocument();
currentDoc.Load(path);
List <List <MusicArtist> > resList = new List <List <MusicArtist> >();
if (musicArtist.Name == String.Empty && musicArtist.Genre == String.Empty && musicArtist.Country == String.Empty &&
musicArtist.IncomePerYear == String.Empty && musicArtist.Band == String.Empty && musicArtist.Activity == String.Empty)
{
return(CatchError(currentDoc));
}
if (musicArtist.Name != String.Empty)
{
resList.Add(SearchByAttribute("MusicArtist", "Name", musicArtist.Name, currentDoc));
}
if (musicArtist.Genre != String.Empty)
{
resList.Add(SearchByAttribute("MusicArtist", "MajorGenre", musicArtist.Genre, currentDoc));
}
if (musicArtist.Country != String.Empty)
{
resList.Add(SearchByAttribute("MusicArtist", "Country", musicArtist.Country, currentDoc));
}
if (musicArtist.IncomePerYear != String.Empty)
{
resList.Add(SearchByAttribute("MusicArtist", "IncomePerYear", musicArtist.IncomePerYear, currentDoc));
}
if (musicArtist.Band != String.Empty)
{
resList.Add(SearchByAttribute("MusicArtist", "ArtistBand", musicArtist.Band, currentDoc));
}
if (musicArtist.Activity != String.Empty)
{
resList.Add(SearchByAttribute("MusicArtist", "MusicActivity", musicArtist.Activity, currentDoc));
}
return(FindCrossings(resList, musicArtist));
}
public List <MusicArtist> FindCrossings(List <List <MusicArtist> > artists, MusicArtist obj)
{
List <MusicArtist> resList = new List <MusicArtist>();
List <MusicArtist> cleared = CheckNodes(artists, obj);
foreach (MusicArtist temp in cleared)
{
bool isIn = false;
foreach (MusicArtist mA in resList)
{
if (mA.Compare(temp))
{
isIn = true;
}
}
if (!isIn)
{
resList.Add(temp);
}
}
return(resList);
}
