public int Add(StockData stock)
{
int target = _collection.BinarySearch(stock);
if (target >= 0)
return -1;
else
{
target = ~target;
_collection.Insert(target, stock);
return target;
}
}
public int Find(StockData stock)
{
return _collection.BinarySearch(stock);
}
public void RefreshHKIndice()
{
XmlDocument xmlIndex = new XmlDocument();
try
{
xmlIndex.Load("http://www.hsi.com.hk/HSI-Net/ql//HSI-Net/HSI-Net?cmd=simpleindex");
XmlNode allIndex = xmlIndex.GetElementsByTagName("allindex")[0];
for (int i = 0; i < allIndex.ChildNodes.Count; i++)
{
string code = ((XmlElement)allIndex.ChildNodes[i]).GetAttribute("code").Trim();
int pos = _indexCollection.Find(code);
StockData curIndex;
if (pos < 0) //New code
{
curIndex = new StockData();
curIndex.code = code;
_indexCollection.Add(curIndex);
}
else
{
curIndex = _indexCollection[pos];
}
curIndex.close = float.Parse(((XmlElement)allIndex.ChildNodes[i]).GetAttribute("current"));
curIndex.change = float.Parse(((XmlElement)allIndex.ChildNodes[i]).GetAttribute("change"));
curIndex.ROC = float.Parse(((XmlElement)allIndex.ChildNodes[i]).GetAttribute("percent"));
curIndex.low = float.Parse(((XmlElement)allIndex.ChildNodes[i]).GetAttribute("low"));
curIndex.high = float.Parse(((XmlElement)allIndex.ChildNodes[i]).GetAttribute("high"));
curIndex.name = ((XmlElement)allIndex.ChildNodes[i]).GetElementsByTagName("cname")[0].InnerText;
}
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// Get simple quote of a single stock
/// </summary>
/// <param name="stock">Stock for quote</param>
public void GetQuote(ref StockData stock)
{
try
{
if (stock.code.Substring(stock.code.Length - 3) == ".HK") //Is HK stock
{
//Get real-time price from aastock
HttpWebRequest request = (HttpWebRequest)WebRequest.Create("http://www.aastocks.com/tc/ltp/rtquote.aspx?symbol=" + stock.code.Substring(0, stock.code.Length - 3));
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
Stream resStream = response.GetResponseStream();
StreamReader sr = new StreamReader(resStream);
string htmlData = sr.ReadToEnd();
resStream.Close();
response.Close();
int startIndex, endIndex;
bool isNotDown;
startIndex = htmlData.IndexOf("<title>") + 7;
endIndex = htmlData.IndexOf("</title>");
string name = htmlData.Substring(startIndex, endIndex - startIndex).Trim(new char[] { '\r', '\n', '\t' });
stock.name = name.Split('-')[0].Trim();
int stockDataIndex = htmlData.IndexOf("現價\r");
if (stockDataIndex == -1)
return;
startIndex = htmlData.IndexOf("<span", stockDataIndex);
if (htmlData.Substring(startIndex + 13, 8) == "pos bold" || htmlData.Substring(startIndex + 13, 8) == "unc bold")
isNotDown = true;
else if (htmlData.Substring(startIndex + 13, 8) == "neg bold")
isNotDown = false;
else
return;
startIndex += 23;
endIndex = htmlData.IndexOf("</span>", startIndex) - 1;
stock.close = float.Parse(htmlData.Substring(startIndex, endIndex - startIndex + 1));
startIndex = htmlData.IndexOf("<span", endIndex) + 23;
endIndex = htmlData.IndexOf("</span>", startIndex) - 1;
float.TryParse(htmlData.Substring(startIndex, endIndex - startIndex + 1), out stock.change);
startIndex = htmlData.IndexOf("<span", endIndex) + 23;
endIndex = htmlData.IndexOf("</span>", startIndex) - 2;
float.TryParse(htmlData.Substring(startIndex, endIndex - startIndex + 1), out stock.ROC);
if (!isNotDown)
{
stock.change = -stock.change;
stock.ROC = -stock.ROC;
}
startIndex = htmlData.IndexOf("今日波幅", endIndex) + 154;
endIndex = htmlData.IndexOf("</div>", startIndex) - 1;
string[] highlow = htmlData.Substring(startIndex, endIndex - startIndex + 1).Split('-');
if (highlow.Length == 2)
{
stock.low = float.Parse(highlow[0]);
stock.high = float.Parse(highlow[1]);
}
else
{
stock.low = float.NaN;
stock.high = float.NaN;
}
}
else if (stock.code[0] == '^' && _indexCollection.Find(stock.code.Substring(1)) >= 0) //is index
{
stock = _indexCollection[stock.code.Substring(1)].Clone();
}
else
{
//Get data from Yahoo!
HttpWebRequest request = (HttpWebRequest)WebRequest.Create("http://download.finance.yahoo.com/d/quotes.csv?s=" + stock.code + "&f=snl1cgh");
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
Stream webStream = response.GetResponseStream();
StreamReader sr = new StreamReader(webStream);
string hstring = sr.ReadToEnd();
sr.Close();
webStream.Close();
response.Close();
Regex regexObj = new Regex(@"(""([^""]*|""{2})*""(,|$))|""[^""]*""(,|$)|[^,]+(,|$)|(,)");
MatchCollection matchResults = regexObj.Matches(hstring);
stock.name = matchResults[1].Value.Trim(new char[] { '"', ',' });
stock.close = float.Parse(matchResults[2].Value.Trim(new char[] { '"', ',' }));
string[] strChange = matchResults[3].Value.Trim(new char[] { '"', ',' }).Split(new String[] { " - " }, StringSplitOptions.None);
if (strChange[0] != "N/A")
{
stock.change = float.Parse(strChange[0].Trim('\"'));
stock.ROC = float.Parse(strChange[1].Trim(new char[] { '\"', '%' }));
}
float.TryParse(matchResults[4].Value.Trim(new char[] { '"', ',' }), out stock.low);
float.TryParse(matchResults[5].Value.Trim(new char[] { '"', ',' }), out stock.high);
}
}
catch (Exception e)
{
throw e;
}
}
/// <summary>
/// Get simple quote of list of stocks
/// </summary>
/// <param name="stocks">List of stocks</param>
public void GetQuote(StockData[] stocks)
{
if (stocks.Length == 0)
return;
try
{
System.Text.StringBuilder codes = new System.Text.StringBuilder(stocks.Length);
codes.Append(stocks[0].code);
for (int i = 1; i < stocks.Length; i++)
codes.Append('+' + stocks[i].code);
//Get data from Yahoo!
HttpWebRequest request = (HttpWebRequest)WebRequest.Create("http://download.finance.yahoo.com/d/quotes.csv?s=" + codes.ToString() + "&f=snl1cgh");
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
Stream webStream = response.GetResponseStream();
StreamReader sr = new StreamReader(webStream);
string hstring = sr.ReadToEnd();
sr.Close();
webStream.Close();
response.Close();
string[] allData = hstring.Split(new string [] {"\r\n"}, StringSplitOptions.RemoveEmptyEntries);
Regex regexObj = new Regex(@"(""([^""]*|""{2})*""(,|$))|""[^""]*""(,|$)|[^,]+(,|$)|(,)");
for (int i = 0; i < stocks.Length; i++)
{
MatchCollection matchResults = regexObj.Matches(allData[i]);
stocks[i].name = matchResults[1].Value.Trim(new char[] { '"',',' });
stocks[i].close = float.Parse(matchResults[2].Value.Trim(new char[] { '"',',' }));
string[] strChange = matchResults[3].Value.Trim(new char[] { '"',',' }).Split(new String[] { " - " }, StringSplitOptions.None);
if (strChange[0] != "N/A")
{
stocks[i].change = float.Parse(strChange[0].Trim('\"'));
stocks[i].ROC = float.Parse(strChange[1].Trim(new char[] { '\"', '%' }));
}
float.TryParse(matchResults[4].Value.Trim(new char[] { '"', ',' }), out stocks[i].low);
float.TryParse(matchResults[5].Value.Trim(new char[] { '"', ',' }), out stocks[i].high);
}
for (int i = 0; i < stocks.Length; i++)
{
if (stocks[i].code.Substring(stocks[i].code.Length - 3) == ".HK") //Is HK stock
{
//Get real-time price from aastock
/*request = (HttpWebRequest)WebRequest.Create("http://www.aastocks.com/chi/DataService/getlivestock.asp?stock_id=" + stocks[i].code.Substring(0, stocks[i].code.Length - 3));
request.CookieContainer = new CookieContainer();
Cookie aastockSection = new Cookie("ASPSESSIONIDACQQRRDB", "JOCDHMPAOFKEBELPPDGPLNAE");
aastockSection.Domain = "www.aastocks.com";
request.CookieContainer.Add(aastockSection);*/
request = (HttpWebRequest)WebRequest.Create("http://www.aastocks.com/tc/ltp/rtquote.aspx?symbol=" + stocks[i].code.Substring(0, stocks[i].code.Length - 3));
response = (HttpWebResponse)request.GetResponse();
Stream resStream = response.GetResponseStream();
sr = new StreamReader(resStream);
string htmlData = sr.ReadToEnd();
resStream.Close();
response.Close();
int startIndex, endIndex;
bool isNotDown;
startIndex = htmlData.IndexOf("<title>") + 7;
endIndex = htmlData.IndexOf("</title>");
string name = htmlData.Substring(startIndex, endIndex - startIndex).Trim(new char[] { '\r', '\n', '\t' });
stocks[i].name = name.Split('-')[0].Trim();
int stockDataIndex = htmlData.IndexOf("現價\r");
if (stockDataIndex == -1)
continue;
startIndex = htmlData.IndexOf("<span", stockDataIndex);
if (htmlData.Substring(startIndex + 13, 8) == "pos bold" || htmlData.Substring(startIndex + 13, 8) == "unc bold")
isNotDown = true;
else if (htmlData.Substring(startIndex + 13, 8) == "neg bold")
isNotDown = false;
else
continue;
startIndex += 23;
endIndex = htmlData.IndexOf("</span>", startIndex) - 1;
stocks[i].close = float.Parse(htmlData.Substring(startIndex, endIndex - startIndex + 1));
startIndex = htmlData.IndexOf("<span", endIndex) + 23;
endIndex = htmlData.IndexOf("</span>", startIndex) - 1;
float.TryParse(htmlData.Substring(startIndex, endIndex - startIndex + 1), out stocks[i].change);
startIndex = htmlData.IndexOf("<span", endIndex) + 23;
endIndex = htmlData.IndexOf("</span>", startIndex) - 2;
float.TryParse(htmlData.Substring(startIndex, endIndex - startIndex + 1), out stocks[i].ROC);
if (!isNotDown)
{
stocks[i].change = -stocks[i].change;
stocks[i].ROC = -stocks[i].ROC;
}
startIndex = htmlData.IndexOf("今日波幅", endIndex) + 154;
endIndex = htmlData.IndexOf("</div>", startIndex) - 1;
string[] highlow = htmlData.Substring(startIndex, endIndex - startIndex + 1).Split('-');
if (highlow.Length == 2)
{
stocks[i].low = float.Parse(highlow[0]);
stocks[i].high = float.Parse(highlow[1]);
}
else
{
stocks[i].low = float.NaN;
stocks[i].high = float.NaN;
}
}
else if (stocks[i].code[0] == '^' && _indexCollection.Find(stocks[i].code.Substring(1)) >= 0) //is index
{
stocks[i] = _indexCollection[stocks[i].code.Substring(1)].Clone();
}
}
}
catch (Exception e)
{
throw e;
}
}
