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Commonly used programming tasks in java

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/*
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 * and open the template in the editor.
 */
package com.venky.geo;

import java.io.IOException;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLEncoder;
import java.util.Iterator;
import com.venky.xml.XMLDocument;
import com.venky.xml.XMLElement;

/**
 *
 * @author venky
 */
public class GeoCoder {
    private static final String WSURL = "http://maps.googleapis.com/maps/api/geocode/xml?sensor=false&address=";
    public static class Location {
        float lat,lng; 
        public Location(float lat, float lng){
            this.lat = lat; 
            this.lng = lng;
        }
    }
    public static Location getLocation(String address){
        try {
            String url = WSURL + URLEncoder.encode(address,"UTF-8");
            URL u = new URL(url);
            URLConnection connection = u.openConnection();
            XMLDocument doc = XMLDocument.getDocumentFor(connection.getInputStream());
            XMLElement location = doc.getDocumentRoot().getChildElement("result").getChildElement("geometry").getChildElement("location");
            float lat=-1; 
            float lng=-1 ;
            for (Iterator nodeIterator =location.getChildElements() ; nodeIterator.hasNext();){
                XMLElement node = nodeIterator.next();
                if (node.getNodeName().equals("lat")){
                    lat = Float.valueOf(node.getChildren().next().getNodeValue());
                }else if (node.getNodeName().equals("lng")){
                    lng = Float.valueOf(node.getChildren().next().getNodeValue());
                }
            }
            
            return new Location(lat,lng);
        } catch (IOException ex) {
            throw new RuntimeException(ex);
        }
        
    }
}