100 lines
3.7 KiB
Java
100 lines
3.7 KiB
Java
package org.schabi.newpipe.extractor.services.youtube;
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import org.schabi.newpipe.extractor.Downloader;
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import org.schabi.newpipe.extractor.NewPipe;
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import org.schabi.newpipe.extractor.exceptions.ExtractionException;
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import org.schabi.newpipe.extractor.exceptions.ParsingException;
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import org.schabi.newpipe.extractor.SuggestionExtractor;
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import org.w3c.dom.Node;
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import org.w3c.dom.NodeList;
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import org.xml.sax.InputSource;
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import org.xml.sax.SAXException;
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import java.io.ByteArrayInputStream;
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import java.io.IOException;
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import java.net.URLEncoder;
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import java.util.ArrayList;
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import java.util.List;
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import javax.xml.parsers.DocumentBuilder;
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import javax.xml.parsers.DocumentBuilderFactory;
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import javax.xml.parsers.ParserConfigurationException;
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/**
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* Created by Christian Schabesberger on 28.09.16.
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*
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* Copyright (C) Christian Schabesberger 2015 <chris.schabesberger@mailbox.org>
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* YoutubeSuggestionExtractor.java is part of NewPipe.
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*
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* NewPipe is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* NewPipe is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with NewPipe. If not, see <http://www.gnu.org/licenses/>.
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*/
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public class YoutubeSuggestionExtractor extends SuggestionExtractor {
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public static final String CHARSET_UTF_8 = "UTF-8";
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public YoutubeSuggestionExtractor(int serviceId) {
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super(serviceId);
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}
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@Override
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public List<String> suggestionList(
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String query, String contentCountry)
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throws ExtractionException, IOException {
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List<String> suggestions = new ArrayList<>();
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Downloader dl = NewPipe.getDownloader();
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String url = "https://suggestqueries.google.com/complete/search"
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+ "?client=" + ""
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+ "&output=" + "toolbar"
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+ "&ds=" + "yt"
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+ "&hl=" + URLEncoder.encode(contentCountry, CHARSET_UTF_8)
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+ "&q=" + URLEncoder.encode(query, CHARSET_UTF_8);
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String response = dl.download(url);
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//TODO: Parse xml data using Jsoup not done
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DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
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DocumentBuilder dBuilder;
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org.w3c.dom.Document doc = null;
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try {
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dBuilder = dbFactory.newDocumentBuilder();
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doc = dBuilder.parse(new InputSource(
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new ByteArrayInputStream(response.getBytes(CHARSET_UTF_8))));
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doc.getDocumentElement().normalize();
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} catch (ParserConfigurationException | SAXException | IOException e) {
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throw new ParsingException("Could not parse document.");
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}
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try {
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NodeList nList = doc.getElementsByTagName("CompleteSuggestion");
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for (int temp = 0; temp < nList.getLength(); temp++) {
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NodeList nList1 = doc.getElementsByTagName("suggestion");
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Node nNode1 = nList1.item(temp);
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if (nNode1.getNodeType() == Node.ELEMENT_NODE) {
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org.w3c.dom.Element eElement = (org.w3c.dom.Element) nNode1;
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suggestions.add(eElement.getAttribute("data"));
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}
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}
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return suggestions;
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} catch(Exception e) {
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throw new ParsingException("Could not get suggestions form document.", e);
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}
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}
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}
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