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/*
* The Apache Software License, Version 1.1
*
*
* Copyright (c) 2000 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "SOAP" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation and was
* originally based on software copyright (c) 2000, International
* Business Machines, Inc., http://www.apache.org. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
package samples.stockquote;
import java.net.URL;
import java.io.*;
import org.w3c.dom.*;
import org.xml.sax.*;
import javax.xml.parsers.*;
import org.apache.soap.util.xml.*;
/**
* See \samples\stockquote\readme for info.
*
* @author Sanjiva Weerawarana (sanjiva@watson.ibm.com)
*/
public class StockQuoteService {
DocumentBuilder xdb = XMLParserUtils.getXMLDocBuilder();
public float getQuote (String symbol) throws Exception {
// get a real (delayed by 20min) stockquote from
// http://www.xmltoday.com/examples/stockquote/. The IP addr
// below came from the host that the above form posts to ..
URL url = new URL ("http://www.xmltoday.com/examples/stockquote/getxmlquote.vep?s="+symbol);
InputStream is = url.openStream ();
Document d = xdb.parse(is);
Element e = d.getDocumentElement ();
NodeList nl = e.getElementsByTagName ("price");
e = (Element) nl.item (0);
String quoteStr = e.getAttribute ("value");
try {
return Float.valueOf (quoteStr).floatValue ();
} catch (NumberFormatException e1) {
// mebbe its an int?
try {
return Integer.valueOf (quoteStr).intValue () * 1.0F;
} catch (NumberFormatException e2) {
return -1.0F;
}
}
}
}
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