LibInfoJob.java

/**
    Copyright 2012 Fahad Al-Khameesi, Madeleine Appert, Niklas Logren, Arild Matsson and Jonathan Orr�.
    
    This file is part of Bibbla.

    Bibbla is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    Bibbla is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with Bibbla.  If not, see <http://www.gnu.org/licenses/>.    
 **/

package dat255.grupp06.bibbla.backend.tasks;


import java.util.ArrayList;
import java.util.List;

import org.jsoup.Connection.Method;
import org.jsoup.Connection.Response;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;

import dat255.grupp06.bibbla.model.Library;
import dat255.grupp06.bibbla.utils.Error;
import dat255.grupp06.bibbla.utils.Message;
/**
 * 
 * @author Madeleine Appert
 * A class that collects all the necessary information about the available libraries.
 *
 */
public class LibInfoJob extends Job {

	private Message message = new Message();
	private Document resultsDocument;
	private List<Library> results = new ArrayList<Library>();
	
	private String url1 = "http://goteborg.se/wps/portal/invanare/bibliotek/hit" +
	"ta-biblioteken/!ut/p/b1/jYxdcoIwFEbX0g2QS5NI8hgcgsgtKKAVXhirnQx_Yp22FFZfXI" +
	"DTfm_fzDmHFCS3n0FKxkAyciDF5fhdmeNn1V-O7f0Xi3Jjr7fCtRXEvtQQZOFGRyGKbQQzkM_A" +
	"0lcr5iCAQJ9DoFa7RG4pBUX_58ODKfjLX5Oieuus4dRZYPGFsKkUkgvJhEMdEq367p3kc8R5GN" +
	"GUZOQArExruCGKqz2K4ZqmNK3Hn3jatRGaNsb0hpnn7BPuvWBDwymdknqYED3mjczVhyxE4_aj" +
	"KDcQ8F3S91x_5I0x-wGZPeKpOWvlLl_PX80T6YpWCwPqF8ZzAyA!/pw/Z7_P1JQ8B1A0OG9F0I" +
	"TKPFNKL8QF3/ren/p=formFilter=selectService/-/?filterArea=%23&filterDirecti" +
	"on=%23&formFilterSubmit=Visa";
	private String url2 = "http://goteborg.se/wps/portal/invanare/bibliotek/hit" +
	"ta-biblioteken/!ut/p/b1/jYzbcoIwFEW_pT9gTppEwmNwiBdOQQlY4IWx2slwE-u0pfD11Q" +
	"9w2v22Z9ZapCC5A890zjiVJCPF-fBd2cNn1Z8P7f0X83JLNzvpUQXR0tWwToKtDgOUuxBuQH4D" +
	"Fku14g4CSFwKWKtVGrs7xkCx__nwYAr-8jekqN662XDsZjATc0mZK10hXS4d5pBw1XfvJL9FnI" +
	"cRzUhCMuClqeGKKC90lMPFGGbq8Sea0jZE20Zorpj4zj4W_gs2LJjMFNfDhOhzf-SezpIArdeP" +
	"stzCWqRx3wv9kTfW7gfkdMRjc9LKW7yevpon0hWtlhbUL7g166c!/pw/Z7_P1JQ8B1A0OG9F0I" +
	"TKPFNKL8QF3/ren/p=filterDirection/p=filterOrganisationType/p=filterArea/p=" +
	"pagination=20/-/";


	/**
	 * Creates a new LibInfoJob, which returns the first page of the search results.
	 */

	public LibInfoJob() {
		System.out.print("\n****** LibInfoJobcreated\n");
	}

	public Message run() {

		try {
			connectAndRetry();
		}
		catch (Exception e) {
			System.out.print("failed: "+e.getMessage()+" *** \n");
			message.error = Error.FETCHING_INFO_FAILED;
		}
		return message;
	}

	@Override
	protected Response connect() throws Exception {
		step1(url1);
		step2();
		step1(url2);
		step2();
		
		return null;
	}
	
	private void step1(String url) throws Exception {
		Response response = Jsoup.connect(url)
		.method(Method.GET)
		.timeout(5000)
		.execute();
		resultsDocument = response.parse();

	}

	/**
	 * Returns the list of Libraries that the class has parsed from the internet.
	 * @return	A list of Library objects.
	 */
	private void step2() {
		Element searchResult = resultsDocument.select("ul.unit-list").first();

		Elements children = searchResult.children();
		
		for(Element e : children) {

			Library library = new Library();

			//Set library name
			library.setName(e.select("a").first().text());

			Element div = e.child(1);
			Element adr=div.select("div.adr").first();

			//Set library visiting address if exists
			Elements visitElement =adr.select("span.street-address");
			if (visitElement.size()!=0){
				String adress = adr.select("span.street-address").first().text();
				library.setAddress(adress);
			}
			
			//Set library postal code if exists
			Elements pcElement =adr.select("span.postal-code");
			if (pcElement.size()!=0){
				String pC = adr.select("span.postal-code").first().text();
				library.setPostCode(pC);
			}
			
			//Set library area if exists
			Elements areaElement =adr.select("span.locality");
			if (areaElement.size()!=0){
				String area = adr.select("span.locality").first().text();
				library.setArea(area);
			}

			//Set library phone number if exists
			Elements telElement =div.select("div.tel");
			if (telElement.size()!=0){
				String phoneNr = div.select("div.tel").first().select("span.value").first().select("a.phone-link").first().text();
				library.setPhoneNr(phoneNr);	
			}

			//Set library open hours if exists
			Elements hoursElement =div.select("div.hours");
			if (hoursElement.size()!=0){
				String openH = div.select("div.hours").first().select("span").first().text();
				library.setOpenH(openH);	
			}
			
			//Set library email if exists
			Elements emailElement =div.select("div.email");
			if (emailElement.size()!=0){
				String email = div.select("div.email").first().select("a").first().text();
				library.setEmail(email);
			}
			
			//Set library visiting address if exists.
			Elements adrElements =div.select("div.adr");
			if (adrElements.size()==2){
				String visAdr = div.select("div.adr").last().select("span.street-address").first().text();
				library.setAddress(visAdr);
			}
			results.add(library);
		}

		message.obj = results;
	}

}