package com.activequant.utils;
import java.io.FileInputStream;
import java.util.Map;
import org.apache.log4j.Logger;
import org.mortbay.log.Log;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import com.activequant.dao.DaoException;
import com.activequant.dao.IDaoFactory;
import com.activequant.dao.IMarketDataInstrumentDao;
import com.activequant.domainmodel.MarketDataInstrument;
import com.activequant.utils.events.IEventListener;
/**
* Imports one CSV file that contains instrument reference data, one instrument per row,
* with multiple columns.
*
* The file must have a header and must be comma separated.
*
* The following fields MUST exist:
* className, instrumentId, mdProvider, providerSpecificId
*
* examples are present in the resources folder.
*
* @author ustaudinger
*
*/
public class ImportMarketDataInstrumentsCSV {
private final ApplicationContext appContext;
private final IDaoFactory idf;
private final IMarketDataInstrumentDao mdiDao;
private final Logger log = Logger.getLogger(this.getClass());
public ImportMarketDataInstrumentsCSV(String fileName, String springInitFile)
throws Exception {
appContext = new ClassPathXmlApplicationContext(springInitFile);
idf = (IDaoFactory) appContext.getBean("ibatisDao");
mdiDao = idf.mdiDao();
final InstanceFromMapInstantiator<MarketDataInstrument> i = new InstanceFromMapInstantiator<MarketDataInstrument>();
final CsvMapReader cmr = new CsvMapReader();
cmr.read(new IEventListener<Map<String, String>>() {
@Override
public void eventFired(Map<String, String> event) {
MarketDataInstrument instr = i.loadStringString(event);
//
try {
mdiDao.update(instr);
log.info("Updated or created instrument: " + instr.getId());
} catch (DaoException e) {
System.err.println("Error while importing " + event);
e.printStackTrace();
}
}
}, new FileInputStream(fileName));
}
/**
* @param args
*/
public static void main(String[] args) throws Exception {
String fileName = args[0];
String springFile = args[1];
System.out.println("Importing from " + fileName
+ ". Using spring configuration " + springFile);
new ImportMarketDataInstrumentsCSV(fileName, springFile);
}
}