/*
* 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.PROPS_EXT;
import static net.java.javamoney.examples.tradingapp.Constants.TRADING;
import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;
import net.neurotech.quotes.QuoteFactory;
import org.apache.log4j.Logger;
/**
* @author Werner Keil
* @see QuoteFactory
*/
public abstract class QuoteManager {
/**
* Singleton
*/
private QuoteManager() {}
/**
* Logger for this class
*/
private static final Logger logger = Logger
.getLogger(QuoteManager.class);
private static final Properties props = new Properties();
private static QuoteFactory quoteFactory = null;
public static final QuoteFactory getQuoteFactory() {
if (quoteFactory != null) {
return quoteFactory;
}
else {
try {
InputStream in = QuoteManager.class.getResourceAsStream
("/" + TRADING + PROPS_EXT);
props.load(in);
} catch (IOException ie) {
logger.warn("Error loading properties", ie);
}
String quoteSource = props.getProperty(TRADING + ".quotesource",
"net.neurotech.quotes.YahooCSVSource");
quoteFactory = new QuoteFactory(quoteSource);
return quoteFactory;
}
}
}