/* Daniel Shiffman               */
/* Programming from A to Z       */
/* Spring 2006                   */
/* http://www.shiffman.net       */
/* daniel.shiffman@nyu.edu       */

// Searching for an XML Element
// Import the necessary libraries

package basics;

import java.io.IOException;
import org.w3c.dom.*;

import a2z.A2ZXMLHelper;

public class XMLWeatherGrab {
    public static void main (String argv []) throws IOException {
    	
        // Create a URL object and open an InputStream
        A2ZXMLHelper xmlreader = new A2ZXMLHelper("http://xml.weather.yahoo.com/forecastrss?p=USNY0996");
        
        // Call our recursive search function to locate the element we want
        Element e = xmlreader.findElement(xmlreader.getRoot(),"yweather:forecast");
        // System.out.println(e.toString());
        
        // As long as we find the element
        if (e != null) {
            // Pull out the attributes we are looking for from that element
            String high = e.getAttribute("high");
            System.out.println("The high temp is: " + high);
            String low = e.getAttribute("low");
            System.out.println("The low temp is: " + low);
        }
        
        // Looking for latitude
        // Note how we have to pull the value out of the Element's child
        e = xmlreader.findElement(xmlreader.getRoot(),"geo:lat");
        if (e != null) {
            Node n = e.getFirstChild();
            System.out.println(n.getNodeValue());
        }
    }
    
    
}