Legislation effort of the Bulgarian executive branch and legislature

LegislationStats.java

package legislation;

import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;

import org.jsoup.Jsoup;
import org.w3c.dom.Document;
import org.w3c.dom.NodeList;

import com.google.common.io.CharStreams;

public class LegislationStats {

    private static final String ROOT = "http://parliament.bg/export.php/bg/xml/bills/";
    
    public static void main(String[] args) throws Exception {

        URL searchURL = new URL("http://parliament.bg/bg/laws");
        
        HttpURLConnection conn = (HttpURLConnection) searchURL.openConnection();
        
        conn.setRequestMethod("POST");
        conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
        conn.setDoOutput(true);
        Writer writer = new OutputStreamWriter(conn.getOutputStream(), "UTF-8");
        writer.write("from=&to=&L_ActL_title=&submit=%D0%A2%D1%8A%D1%80%D1%81%D0%B8");
        writer.flush();
        
        conn.connect();
        String body = CharStreams.toString(new InputStreamReader(conn.getInputStream(), "UTF-8"));
        conn.disconnect();
        
        Pattern p = Pattern.compile("<a href=\"/bg/laws/ID/([0-9]+)/\">");
        
        Matcher m = p.matcher(body);
        DocumentBuilderFactory dmf = DocumentBuilderFactory.newInstance();
        DocumentBuilder builder = dmf.newDocumentBuilder();

        LegislativeEffort executiveBranch = new LegislativeEffort();
        LegislativeEffort legislature = new LegislativeEffort();
        
        while (m.find()) {
            String url = ROOT + m.group(1);
            try (InputStream in = new URL(url).openStream()) {
                Document doc = builder.parse(in);
                NodeList bodyNodes = doc.getElementsByTagName("LawBody");
                if (bodyNodes.getLength() == 0) {
                    continue;
                }
                // strip HTML contents
                int symbols = Jsoup.parse(bodyNodes.item(0).getTextContent()).text().length();
                
                NodeList nodes = doc.getElementsByTagName("Importer");
                if (nodes.getLength() > 0) {
                    if (nodes.item(0).getAttributes().getNamedItem("value").getTextContent().equals("Министерски съвет")) {
                        executiveBranch.actsPassed ++;
                        executiveBranch.symbols += symbols;
                    } else {
                        legislature.actsPassed ++;
                        legislature.symbols += symbols;
                    }
                }
            }
        }
        
        System.out.println("Executive branch: " + executiveBranch);
        System.out.println("Legislature: " + legislature);
    }