static void Main(string[] args)
{
//initialize in-memory isin data store
ArrayList isinList = new ArrayList();
//create isin
ISINInfo isinInfo = new ISINInfo();
isinInfo.Symbol = "MSFT";
isinInfo.FaceValue = 10;
isinInfo.MarketLot = 5;
//create exchange
ExchangeInfo nasdaqInfo = new ExchangeInfo();
nasdaqInfo.ExchangeCode = "NASDAQ";
nasdaqInfo.ScripCode = "MSFT.O";
//add exchange to isin exchange list
isinInfo.exchangeList.Add(nasdaqInfo);
//add isin to array list
isinList.Add(isinInfo);
//create XML text writer
XmlTextWriter xmlWriter = new XmlTextWriter(@"ISINMaster.xml", Encoding.UTF8);
xmlWriter.Formatting = Formatting.Indented;
//write the root element
xmlWriter.WriteStartElement("ISINMaster");
//write ISINS start tag
xmlWriter.WriteStartElement("ISINS");
//iterate through individual isin
foreach (ISINInfo curIsin in isinList)
{
//write isin element
xmlWriter.WriteStartElement("ISIN");
//write attributes of isin
xmlWriter.WriteAttributeString("Symbol", curIsin.Symbol);
xmlWriter.WriteAttributeString("FaceValue", XmlConvert.ToString(curIsin.FaceValue));
xmlWriter.WriteAttributeString("MarketLot", XmlConvert.ToString(curIsin.MarketLot));
//write parent element of exchange
xmlWriter.WriteStartElement("Exchanges");
//iterate through individual exchange
foreach (ExchangeInfo curExchange in curIsin.exchangeList)
{
//write exchange element
xmlWriter.WriteStartElement("Exchange");
//write attributes of exchange
xmlWriter.WriteAttributeString("Code", curExchange.ExchangeCode);
xmlWriter.WriteAttributeString("ScripCode", curExchange.ScripCode);
xmlWriter.WriteEndElement();
}
//exchange end tag
xmlWriter.WriteEndElement();
//exchanges end tag
xmlWriter.WriteEndElement();
}
//ISINS end tag
xmlWriter.WriteEndElement();
//root end tag
xmlWriter.WriteEndElement();
//close xml text writer
xmlWriter.Close();
}
static void Main(string[] args)
{
//declare arraylist for our in-memory data store
ArrayList isinDataStore = new ArrayList();
//ISINMaster XML path
//string xmlPath = @"C:\CodeExample\Chpt3\ReadXML\ISINMaster.xml";
string xmlPath = @"..\..\ISINMaster.xml";
//Create XML text reader
XmlTextReader txtReader = new XmlTextReader(xmlPath);
//loop until we have read the entire file
//returns true as long as there is content to be read
while (txtReader.Read())
{
//check the type of node that we just read to be an Element type
switch (txtReader.NodeType)
{
case XmlNodeType.Element:
//check the name of the current node being read
//If ISIN node is read
if (txtReader.LocalName == "ISIN")
{
//create an instance of the ISINInfo class and
//assign various properties by querying attribute
//nodes of ISIN elemeent
ISINInfo isinInfo = new ISINInfo();
isinInfo.Symbol = txtReader.GetAttribute("Symbol");
isinInfo.FaceValue =
XmlConvert.ToDouble(txtReader.GetAttribute("FaceValue"));
isinInfo.MarketLot =
XmlConvert.ToInt32(txtReader.GetAttribute("MarketLot"));
isinDataStore.Add(isinInfo);
}
//If Exchange node is read
if (txtReader.LocalName == "Exchange")
{
//Get reference to latest isin instance added in arraylist
ISINInfo isinInfo = isinDataStore[isinDataStore.Count - 1] as ISINInfo;
//create instance of exchange and assign various properties by querying
//attribute node of exchange element
ExchangeInfo exchInfo = new ExchangeInfo();
exchInfo.ExchangeCode = txtReader.GetAttribute("Code");
exchInfo.ScripCode = txtReader.GetAttribute("ScripCode");
//add exchange instance into isin exchange list
//reflects isin-exchange mapping
isinInfo.exchangeList.Add(exchInfo);
}
break;
default:
break;
}
}
//close our textreader
txtReader.Close();
//Display the ISIN
foreach (ISINInfo isin in isinDataStore)
{
Console.WriteLine("Symbol :" + isin.Symbol);
//Display Exchange
foreach (ExchangeInfo exchange in isin.exchangeList)
{
Console.WriteLine("Exchange {0} Scrip Code {1} ",
exchange.ExchangeCode, exchange.ScripCode);
}
}
}
