data.IsbndbWS.java Source code

Introduction

Here is the source code for data.IsbndbWS.java

Source

package data;

import domain.Book;
import domain.Organization;
import domain.Person;
import domain.util.URIGenerator;
import java.net.HttpURLConnection;
import java.net.ProtocolException;
import java.util.ArrayList;
import java.util.List;
import java.util.logging.Level;
import org.jaxen.*;
import java.util.logging.Logger;
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.DocumentHelper;
import org.dom4j.Node;
import rdfmodel.RDFModel;

/*
 * 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.
 */

/**
 *
 * @author Stefan
 */
public class IsbndbWS extends WebService {

    private boolean kraj = false;
    private String baseUrl = "http://isbndb.com/api/books.xml?access_key=M94ZHX5G&results=texts&index1=subject_id&value1=computers&page_number=";
    private int trenutniBrojStrane = 1;

    @Override
    public void parse(String tekst) throws Exception {
        try {

            //List<Book> lista=new ArrayList<>();

            Document document = DocumentHelper.parseText(tekst);

            List list = document.selectNodes("//BookData");

            if (list == null || list.size() == 0) {
                System.out.println("Doslo do kraja");
                kraj = true;
            } else {
                System.out.println("ISBNDB, Trenutni broj strane " + trenutniBrojStrane);
                for (int i = 0; i < list.size(); i++) {
                    Book b = new Book();
                    b.setUri(URIGenerator.generateUri(b));
                    Node node = (Node) list.get(i);
                    b.setTitle(node.selectSingleNode("Title").getText());
                    b.setIsbn(node.valueOf("@isbn13"));
                    Person p = new Person();
                    p.setUri(URIGenerator.generateUri(p));
                    p.setName(node.selectSingleNode("AuthorsText").getText());
                    b.getAuthors().add(p);
                    Organization o = new Organization();
                    o.setUri(URIGenerator.generateUri(o));
                    o.setName(node.selectSingleNode("PublisherText").getText());
                    b.setPublisher(o);

                    lista.add(b);

                }

                trenutniBrojStrane++;
                //kraj=true;
            }

        } catch (Exception e) {
            e.printStackTrace();
            throw e;
        }
    }

    @Override
    public String getUrl() {
        return baseUrl + trenutniBrojStrane;
        //return "http://isbndb.com/api/books.xml?access_key=M94ZHX5G&results=texts&index1=subject_id&value1=computers&page_number=7";
    }

    @Override
    public void setRequestType(HttpURLConnection conn) throws Exception {
        try {
            conn.setRequestMethod("GET");
        } catch (Exception e) {
            e.printStackTrace();
            throw e;
        }
    }

    @Override
    public void setDataType(HttpURLConnection conn) {
        conn.setRequestProperty("Accept", "application/xml");
    }

    @Override
    public boolean daLiJeKraj() {
        return kraj;
    }

}