Java tutorial
/* * Copyright (c) 2004-2011 Marco Maccaferri and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * Marco Maccaferri - initial API and implementation */ package org.eclipsetrader.yahoo.internal.core; import java.net.MalformedURLException; import java.net.URISyntaxException; import java.net.URL; import java.util.Calendar; import java.util.Date; import org.apache.commons.httpclient.HttpClient; import org.apache.commons.httpclient.HttpMethod; import org.apache.commons.httpclient.NameValuePair; import org.apache.commons.httpclient.URI; import org.apache.commons.httpclient.URIException; import org.apache.commons.httpclient.UsernamePasswordCredentials; import org.apache.commons.httpclient.auth.AuthScope; import org.apache.commons.httpclient.methods.GetMethod; import org.eclipse.core.net.proxy.IProxyData; import org.eclipse.core.net.proxy.IProxyService; import org.eclipsetrader.core.feed.IFeedIdentifier; import org.eclipsetrader.core.feed.IFeedProperties; import org.eclipsetrader.core.instruments.ISecurity; import org.eclipsetrader.yahoo.internal.YahooActivator; import org.osgi.framework.BundleContext; import org.osgi.framework.ServiceReference; public class Util { public static final String snapshotFeedHost = "download.finance.yahoo.com"; //$NON-NLS-1$ public static final String streamingFeedHost = "streamerapi.finance.yahoo.com"; //$NON-NLS-1$ public static final String historyFeedHost = "ichart.finance.yahoo.com"; //$NON-NLS-1$ private Util() { } public static String getSymbol(IFeedIdentifier identifier) { String symbol = identifier.getSymbol(); IFeedProperties properties = (IFeedProperties) identifier.getAdapter(IFeedProperties.class); if (properties != null) { if (properties.getProperty("org.eclipsetrader.yahoo.symbol") != null) { symbol = properties.getProperty("org.eclipsetrader.yahoo.symbol"); } } return symbol; } /** * Builds the http method for live prices snapshot download. * * @return the method. */ public static HttpMethod getSnapshotFeedMethod(String[] symbols) { GetMethod method = new GetMethod("http://" + snapshotFeedHost + "/download/javasoft.beans"); StringBuffer s = new StringBuffer(); for (int i = 0; i < symbols.length; i++) { if (i != 0) { s.append(" "); //$NON-NLS-1$ } s.append(symbols[i]); } method.setQueryString(new NameValuePair[] { new NameValuePair("symbols", s.toString()), new NameValuePair("format", "sl1d1t1c1ohgvbapb6a5"), }); return method; } /** * Builds the http method for streaming prices download. * * @return the method. */ public static HttpMethod getStreamingFeedMethod(String[] symbols) { GetMethod method = new GetMethod("http://" + streamingFeedHost + "/streamer/1.0"); StringBuffer s = new StringBuffer(); for (int i = 0; i < symbols.length; i++) { if (i != 0) { s.append(","); //$NON-NLS-1$ } s.append(symbols[i]); } method.setQueryString(new NameValuePair[] { new NameValuePair("s", s.toString()), new NameValuePair("k", "a00,a50,b00,b60,g00,h00,j10,l10,t10,v00"), new NameValuePair("j", "c10,l10,p20,t10"), new NameValuePair("r", "0"), new NameValuePair("marketid", "us_market"), new NameValuePair("callback", "parent.yfs_u1f"), new NameValuePair("mktmcb", "parent.yfs_mktmcb"), new NameValuePair("gencallback", "parent.yfs_gencb"), }); method.setFollowRedirects(true); return method; } /** * Builds the http method for historycal prices download. * * @return the method. */ public static HttpMethod getHistoryFeedMethod(IFeedIdentifier identifier, Date from, Date to) throws URIException { String symbol = getSymbol(identifier); Calendar fromDate = Calendar.getInstance(); fromDate.setTime(from); Calendar toDate = Calendar.getInstance(); toDate.setTime(to); String prefix = "/instrument/1.0/"; String suffix = "/chartdata;type=quote"; URI uri = new URI("http", "chartapi.finance.yahoo.com", prefix + symbol.toLowerCase() + suffix, ""); GetMethod method = new GetMethod(); method.setURI(uri); method.setQueryString(new NameValuePair[] { new NameValuePair("s", symbol), new NameValuePair("d", String.valueOf(toDate.get(Calendar.MONTH))), new NameValuePair("e", String.valueOf(toDate.get(Calendar.DAY_OF_MONTH))), new NameValuePair("f", String.valueOf(toDate.get(Calendar.YEAR))), new NameValuePair("g", "d"), new NameValuePair("a", String.valueOf(fromDate.get(Calendar.MONTH))), new NameValuePair("b", String.valueOf(fromDate.get(Calendar.DAY_OF_MONTH))), new NameValuePair("c", String.valueOf(fromDate.get(Calendar.YEAR))), new NameValuePair("ignore", ".csv"), }); method.setFollowRedirects(true); try { System.out.println(method.getURI().toString()); } catch (URIException e) { e.printStackTrace(); } return method; } public static HttpMethod get1DayHistoryFeedMethod(IFeedIdentifier identifier) throws URIException { String symbol = getSymbol(identifier); String prefix = "/instrument/1.0/"; String suffix = "/chartdata;type=quote;range=1d/csv/"; URI uri = new URI("http", "chartapi.finance.yahoo.com", prefix + symbol.toLowerCase() + suffix, ""); GetMethod method = new GetMethod(); method.setURI(uri); method.setFollowRedirects(true); return method; } public static HttpMethod get5DayHistoryFeedMethod(IFeedIdentifier identifier) throws URIException { String symbol = getSymbol(identifier); String prefix = "/instrument/1.0/"; String suffix = "/chartdata;type=quote;range=5d/csv/"; URI uri = new URI("http", "chartapi.finance.yahoo.com", prefix + symbol.toLowerCase() + suffix, ""); GetMethod method = new GetMethod(); method.setURI(uri); method.setFollowRedirects(true); return method; } public static HttpMethod get1YearHistoryFeedMethod(IFeedIdentifier identifier, int year) throws URIException { String symbol = getSymbol(identifier); String prefix = "/instrument/1.0/"; String suffix = "/chartdata;type=quote;ys=" + year + ";yz=1/csv/"; URI uri = new URI("http", "chartapi.finance.yahoo.com", prefix + symbol.toLowerCase() + suffix, ""); GetMethod method = new GetMethod(); method.setURI(uri); method.setFollowRedirects(true); return method; } public static HttpMethod getDividendsHistoryMethod(IFeedIdentifier identifier, Date from, Date to) { String symbol = getSymbol(identifier); Calendar fromDate = Calendar.getInstance(); fromDate.setTime(from); Calendar toDate = Calendar.getInstance(); toDate.setTime(to); GetMethod method = new GetMethod("http://" + historyFeedHost + "/table.csv"); method.setQueryString(new NameValuePair[] { new NameValuePair("s", symbol), new NameValuePair("d", String.valueOf(toDate.get(Calendar.MONTH))), new NameValuePair("e", String.valueOf(toDate.get(Calendar.DAY_OF_MONTH))), new NameValuePair("f", String.valueOf(toDate.get(Calendar.YEAR))), new NameValuePair("g", "v"), new NameValuePair("a", String.valueOf(fromDate.get(Calendar.MONTH))), new NameValuePair("b", String.valueOf(fromDate.get(Calendar.DAY_OF_MONTH))), new NameValuePair("c", String.valueOf(fromDate.get(Calendar.YEAR))), new NameValuePair("ignore", ".csv"), }); method.setFollowRedirects(true); return method; } public static URL getRSSNewsFeedForSecurity(ISecurity security) throws MalformedURLException, URIException, NullPointerException { IFeedIdentifier identifier = (IFeedIdentifier) security.getAdapter(IFeedIdentifier.class); if (identifier == null) { return null; } String symbol = getSymbol(identifier); URI feedUrl = new URI("http://finance.yahoo.com/rss/headline?s=" + symbol, false); return new URL(feedUrl.toString()); } public static void setupProxy(HttpClient client, String host) throws URISyntaxException { if (YahooActivator.getDefault() == null) { return; } BundleContext context = YahooActivator.getDefault().getBundle().getBundleContext(); ServiceReference reference = context.getServiceReference(IProxyService.class.getName()); if (reference != null) { IProxyService proxyService = (IProxyService) context.getService(reference); IProxyData[] proxyData = proxyService .select(new java.net.URI(IProxyData.HTTP_PROXY_TYPE, "//" + host, null)); if (proxyData != null && proxyData.length != 0) { if (proxyData[0].getHost() != null) { client.getHostConfiguration().setProxy(proxyData[0].getHost(), proxyData[0].getPort()); } if (proxyData[0].isRequiresAuthentication()) { client.getState().setProxyCredentials(AuthScope.ANY, new UsernamePasswordCredentials(proxyData[0].getUserId(), proxyData[0].getPassword())); } } context.ungetService(reference); } } }