sparql.java Source code

Introduction

Here is the source code for sparql.java

Source

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

import java.io.BufferedReader;
import java.io.ByteArrayInputStream;

import org.dom4j.DocumentException;
import org.dom4j.io.SAXReader;
import org.dom4j.io.XMLWriter;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.io.StringReader;
import java.io.UnsupportedEncodingException;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.Iterator;

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

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;

/**
 *
 * @author intCorp
 */
public class sparql {

    /**
     * @param args
     *            the command line arguments
     * @throws InterruptedException 
     * @throws ParserConfigurationException 
     * @throws IOException 
     * @throws SAXException 
     * @throws DocumentException 
     */
    public static void main(String[] args) throws InterruptedException, ParserConfigurationException, SAXException,
            IOException, DocumentException {
        ArrayList<TexteURI> extractedURIs = extractURI("liste_uri.xml");
        Iterator<TexteURI> it = extractedURIs.iterator();
        ArrayList<String> results = new ArrayList<>();
        //      ArrayList<String> queries = makeQueries(extractedURIs);
        //      ArrayList<String> urls = extractUrl(extractedURIs);
        //      String result = "";
        //
        //      for (int i = 0; i < queries.size(); i++) {
        //         System.out.println(queries.get(i));
        //         result += query(queries.get(i), urls.get(i));
        //
        //      }

        Sparql_thread s1 = new Sparql_thread("thread1", it, results);
        Sparql_thread s2 = new Sparql_thread("thread2", it, results);
        Sparql_thread s3 = new Sparql_thread("thread3", it, results);
        Sparql_thread s4 = new Sparql_thread("thread4", it, results);

        Thread t1 = new Thread(s1, "thread1");
        Thread t2 = new Thread(s2, "thread2");
        Thread t3 = new Thread(s3, "thread3");
        Thread t4 = new Thread(s4, "thread4");

        t1.start();
        t2.start();
        t3.start();
        t4.start();

        t1.join();
        t2.join();
        t3.join();
        t4.join();

        System.out.println(results.size());
        String result = "";
        for (String s : results) {
            result += s;
        }

        result = "<list_rdf>" + result;
        result = result + "</list_rdf>";
        result = "<?xml version=\"1.0\" encoding=\"iso-8859-1\" standalone=\"yes\"?>" + result;
        PrintWriter out = new PrintWriter("liste_rdf.xml");
        SAXReader reader = new SAXReader(org.ccil.cowan.tagsoup.Parser.class.getName());
        org.dom4j.Document doc = (org.dom4j.Document) reader
                .read(new ByteArrayInputStream(result.getBytes(StandardCharsets.UTF_8)));
        result = doc.asXML();
        result = result
                .replace("xmlns=\"http://www.w3.org/1999/xhtml\" xmlns:html=\"http://www.w3.org/1999/xhtml\"", "");
        //XMLWriter writer = new XMLWriter(out);
        //writer.write(doc);
        //writer.flush();
        out.write(result);
        out.flush();

    }

    public static ArrayList<TexteURI> extractURI(String filePath) {
        ArrayList<TexteURI> uris = new ArrayList<TexteURI>();
        DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
        DocumentBuilder db = null;
        Document doc = null;
        try {
            db = dbf.newDocumentBuilder();
        } catch (ParserConfigurationException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        try {
            doc = db.parse(new File(filePath));
        } catch (SAXException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

        NodeList texts = doc.getElementsByTagName("texte");
        for (int i = 0; i < texts.getLength(); i++) {
            Element text = (Element) texts.item(i);
            TexteURI t = new TexteURI(Integer.parseInt(text.getAttribute("id")), text.getAttribute("url"));
            for (int j = 0; j < text.getChildNodes().getLength(); j++) {
                if (text.getChildNodes().item(j).getNodeType() == Node.ELEMENT_NODE) {
                    String uri = (String) text.getChildNodes().item(j).getTextContent();
                    t.addUri(uri);
                }
            }
            uris.add(t);
        }

        return uris;
    }

}