|
1
57
58 package stockquote.wsiftypes;
59
60 import java.net.URL  ;
61 import java.io.*;
62 import org.w3c.dom.*;
63 import org.xml.sax.*;
64 import javax.xml.parsers.*;
65
66
67
74 public class StockQuote {
75
76 public float getQuote (String symbol) throws Exception {
77 if (symbol==null || symbol.length()==0) return -1.0F;
78
79 DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
80 DocumentBuilder xdb= factory.newDocumentBuilder();
81
82 URL url = new URL ("http://www.xmltoday.com/examples/stockquote/getxmlquote.vep?s="+symbol);
86 InputStream is = url.openStream ();
87 Document d = xdb.parse(is);
88 Element e = d.getDocumentElement ();
89 NodeList nl = e.getElementsByTagName ("price");
90 e = (Element) nl.item (0);
91 String quoteStr = e.getAttribute ("value");
92 try {
93 return Float.valueOf (quoteStr).floatValue ();
94 } catch (NumberFormatException e1) {
95 try {
97 return Integer.valueOf (quoteStr).intValue () * 1.0F;
98 } catch (NumberFormatException e2) {
99 return -1.0F;
100 }
101 }
102 }
103 }
104
105 |
Popular Tags |
Java API By Example, From Geeks To Geeks.