/*
* Java Financial Library
* Extension
*
* Copyright 2005-2013, Werner Keil and individual contributors by the @author tag.
* See the copyright.txt in the distribution for a full listing of individual contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.java.javamoney.examples.tradingapp.quotes;
import static net.java.javamoney.examples.tradingapp.Constants.COLON;
import static net.java.javamoney.examples.tradingapp.Constants.CSV_EXT;
import static net.java.javamoney.examples.tradingapp.Constants.PROPS_EXT;
import static net.java.javamoney.examples.tradingapp.Constants.TRADING;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.Properties;
import java.util.StringTokenizer;
import net.neurotech.quotes.Quote;
import net.neurotech.quotes.QuoteException;
import net.neurotech.quotes.YahooCSVSource;
import org.apache.log4j.Logger;
/**
* @author Werner Keil
* @see YahooCSVSource
*/
public class YahooCVSSourceOffline extends YahooCSVSource {
private Quote quote;
private String symbol;
private static final String DEF_FOLDER = "/temp/";
private static final Properties props = new Properties();
@Override
public boolean fetch(Quote quote) throws QuoteException {
this.quote = quote;
symbol = quote.getSymbol();
String content;
/*
String u = "http://finance.yahoo.com/d/quotes.csv?s=" + symbol
+ "&f=snl1d1t1c1ohgv&e=.c";
*/
try {
InputStream in = getClass().getResourceAsStream
("/" + TRADING + PROPS_EXT);
props.load(in);
} catch (IOException ie) {
logger.warn("Error loading properties", ie);
}
String folder = props.getProperty(TRADING + ".quotefolder", DEF_FOLDER);
String u = folder + symbol + CSV_EXT;
try {
InputStream is = getClass().getResourceAsStream(u);
BufferedReader in = new BufferedReader(new InputStreamReader(is));
content = in.readLine();
in.close();
//if(DEBUG) {
//System.out.println(content);
logger.debug(content);
//}
} catch (Exception e) {
throw new QuoteException("Couldn't retrieve quote - " + e);
}
StringTokenizer tk = new StringTokenizer(content, COLON);
quote.setCompany(tk.nextToken()); // symbol/name
//quote.setCompany(stripQuotes(tk.nextToken())); // name @deprecated no longer provided
quote.setValue(Float.parseFloat(tk.nextToken())); // value
tk.nextToken(); // date
tk.nextToken(); // time
tk.nextToken(); // net
try {
quote.setOpenPrice(Float.parseFloat(tk.nextToken())); // open price
} catch(NumberFormatException nfe) {
quote.setOpenPrice(0);
}
tk.nextToken(); // Daily High
tk.nextToken(); // Daily Low
try {
quote.setVolume(Long.parseLong(tk.nextToken()));
} catch(NumberFormatException nfe) {
quote.setVolume(0);
}
return true;
}
/**
* Logger for this class
*/
private static final Logger logger = Logger
.getLogger(YahooCVSSourceOffline.class);
public YahooCVSSourceOffline() {
super();
logger.debug("in constructor"); // TODO change to info if required.
}
private static final String stripQuotes(String q)
{
String s;
s = q.substring(1, q.length() - 1);
return s;
}
}