beast dumper

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;


public class Dumper {

    public static final String IN = "http://services.runescape.com/m=itemdb_rs/bestiary/beastData.json?beastid=";
    public static final String OUT = "beasts.txt";

    public static void main (String[] args) {
        try {
            dump(IN, OUT);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public static void dump(String in, String out) throws IOException {
        BufferedWriter writer = new BufferedWriter(new FileWriter(out));

        URL url;
        URLConnection connection;
        BufferedReader reader;
        String page;

        for (int i = 1; i < Integer.MAX_VALUE; i++) {
            url = new URL(in + i);
            connection = url.openConnection();
            reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
            page = reader.readLine();

            if (page == null) {
                continue;
            }

            System.out.println(page);
            writer.write(page);
            writer.newLine();
            writer.flush();
        }
        writer.close();
    }
}