001: /*
002: * The Apache Software License, Version 1.1
003: *
004: *
005: * Copyright (c) 2001 The Apache Software Foundation. All rights
006: * reserved.
007: *
008: * Redistribution and use in source and binary forms, with or without
009: * modification, are permitted provided that the following conditions
010: * are met:
011: *
012: * 1. Redistributions of source code must retain the above copyright
013: * notice, this list of conditions and the following disclaimer.
014: *
015: * 2. Redistributions in binary form must reproduce the above copyright
016: * notice, this list of conditions and the following disclaimer in
017: * the documentation and/or other materials provided with the
018: * distribution.
019: *
020: * 3. The end-user documentation included with the redistribution,
021: * if any, must include the following acknowledgment:
022: * "This product includes software developed by the
023: * Apache Software Foundation (http://www.apache.org/)."
024: * Alternately, this acknowledgment may appear in the software itself,
025: * if and wherever such third-party acknowledgments normally appear.
026: *
027: * 4. The names "AXIS" and "Apache Software Foundation" must
028: * not be used to endorse or promote products derived from this
029: * software without prior written permission. For written
030: * permission, please contact apache@apache.org.
031: *
032: * 5. Products derived from this software may not be called "Apache",
033: * nor may "Apache" appear in their name, without prior written
034: * permission of the Apache Software Foundation.
035: *
036: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
037: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
038: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
039: * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
040: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
041: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
042: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
043: * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
044: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
045: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
046: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
047: * SUCH DAMAGE.
048: * ====================================================================
049: *
050: * This software consists of voluntary contributions made by many
051: * individuals on behalf of the Apache Software Foundation. For more
052: * information on the Apache Software Foundation, please see
053: * <http://www.apache.org/>.
054: */
055:
056: package multibinding.service;
057:
058: import org.w3c.dom.Document;
059: import org.w3c.dom.Element;
060: import org.w3c.dom.NodeList;
061:
062: import javax.xml.parsers.DocumentBuilder;
063: import javax.xml.parsers.DocumentBuilderFactory;
064: import java.net.URL;
065:
066: /**
067: *
068: * @author Sanjiva Weerawarana (sanjiva@watson.ibm.com)
069: * @author Doug Davis (dug@us.ibm.com)
070: */
071: public class StockQuoteService {
072: public float getQuote(String symbol) throws Exception {
073: // get a real (delayed by 20min) stockquote from
074: // http://www.xmltoday.com/examples/stockquote/. The IP addr
075: // below came from the host that the above form posts to ..
076:
077: if (symbol.equals("XXX"))
078: return ((float) 55.25);
079:
080: URL url = new URL("http://services.xmethods.net/"
081: + "axis/getQuote?s=" + symbol);
082:
083: DocumentBuilderFactory dbf = DocumentBuilderFactory
084: .newInstance();
085: DocumentBuilder db = dbf.newDocumentBuilder();
086:
087: Document doc = db.parse(url.toExternalForm());
088: Element elem = doc.getDocumentElement();
089: NodeList list = elem.getElementsByTagName("stock_quote");
090:
091: if (list != null && list.getLength() != 0) {
092: elem = (Element) list.item(0);
093: list = elem.getElementsByTagName("price");
094: elem = (Element) list.item(0);
095: String quoteStr = elem.getAttribute("value");
096: try {
097: return Float.valueOf(quoteStr).floatValue();
098: } catch (NumberFormatException e1) {
099: // maybe its an int?
100: try {
101: return Integer.valueOf(quoteStr).intValue() * 1.0F;
102: } catch (NumberFormatException e2) {
103: return -1.0F;
104: }
105: }
106: }
107: return (0);
108: }
109: }
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