A class that uses Selenium to scrape data from a webpage and store it in a JSON file. IS PRETTY NIFTY YA'LL.

HTMLtoJSON.java

public class HTMLtoJSON
{
    public static void main(String[] args)
    {
        //I need to know the range of long and lat for a project I'm working on
        //so I declare variables that I will use later to store the info
        double xMin = -100;
        double xMax = -100;
        double yMin = -100;
        double yMax = -100;


        //Create the Selenium WebDriver object
        WebDriver driver = new FirefoxDriver();

        //Navigate to the subway locations page
        driver.get("http://wiki.openstreetmap.org/wiki/List_of_London_Underground_stations");

        //Find and store the table element
        WebElement table = driver.findElement(By.className("wikitable"));

        //Store all the rows in the table
        List<WebElement> list = table.findElements(By.xpath("/html/body/div[3]/div[2]/div[4]/table[2]/tbody/tr"));

        //Create the JSONArray each JSONObject will be stored in
        JSONArray stations = new JSONArray();

        //Go through each row in the table
        for(int x = 0; x<list.size(); x++)
        {
            //Store the columns of each row in a new list
            List<WebElement> newList = list.get(x).findElements(By.xpath("td"));

            //Create a new JSONObject to store the station details in
            JSONObject object = new JSONObject();

            if(newList.size()>0)
            {
                //Store the lat and long coords
                double lati = Double.parseDouble(newList.get(1).getText().substring(0,7));
                double longi = Double.parseDouble(newList.get(2).getText().substring(0,7));

                //If this is the first we store coords, set them as the range
                if(yMin==-100 && yMax==-100 && xMin==-100 && xMax == -100)
                {
                    yMin = lati;
                    yMax = lati;
                    xMin = longi;
                    xMax = longi;
                }

                //If the new coords are less/greated than the min or mix, save accordingly
                if(lati<yMin)
                {
                    yMin = lati;
                }
                if(lati>yMax)
                {
                    yMax = lati;
                }

                if(longi<xMin)
                {
                    xMin = longi;
                }
                if(longi>xMax)
                {
                    xMax = longi;
                }

                //Store the station info in a JSON object
                object.put("name", newList.get(0).getText());
                object.put("latitude", lati);
                object.put("longitude", longi);

                //Add the JSON object to our JSONArray
                stations.add(object);
            }

        }

        //Hit it and quit it. I'M NOT A DOUCHE.
        driver.quit();

        //Create a jew JSON file and write the data to it
        try {
            FileWriter file = new FileWriter("/Users/scitasy/stations.json");
            file.write(stations.toJSONString());
            file.flush();
            file.close();
        } catch (IOException e) {
            e.printStackTrace();  //To change body of catch statement use File | Settings | File Templates.
        }

    }
}