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Code Issues Releases Wiki Activity

put Suggestion extraction into its own class

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This commit is contained in:
Christian Schabesberger
2016-09-28 12:53:23 +02:00
parent 6ed4130b66
commit 5eef116aaa
7 changed files with 152 additions and 56 deletions
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4
app/src/main/java/org/schabi/newpipe/extractor/SearchEngine.java
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@@ -41,10 +41,6 @@ public abstract class SearchEngine {
return collector;
}
public abstract List<String> suggestionList(
String query,String contentCountry)
throws ExtractionException, IOException;
//Result search(String query, int page);
public abstract StreamPreviewInfoSearchCollector search(
String query, int page, String contentCountry)

1
app/src/main/java/org/schabi/newpipe/extractor/StreamingService.java
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@@ -42,6 +42,7 @@ public abstract class StreamingService {
public abstract UrlIdHandler getChannelUrlIdHandlerInstance();
public abstract ChannelExtractor getChannelExtractorInstance(String url, int page)
throws ExtractionException, IOException;
public abstract SuggestionExtractor getSuggestionExtractorInstance();
public final int getServiceId() {
return serviceId;

41
app/src/main/java/org/schabi/newpipe/extractor/SuggestionExtractor.java Normal file
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@@ -0,0 +1,41 @@
package org.schabi.newpipe.extractor;
import java.io.IOException;
import java.util.List;
/**
* Created by Christian Schabesberger on 28.09.16.
*
* Copyright (C) Christian Schabesberger 2016 <chris.schabesberger@mailbox.org>
* SuggestionExtractor.java is part of NewPipe.
*
* NewPipe 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.
*
* NewPipe 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 NewPipe. If not, see <http://www.gnu.org/licenses/>.
*/
public abstract class SuggestionExtractor {
private int serviceId;
public SuggestionExtractor(int serviceId) {
this.serviceId = serviceId;
}
public abstract List<String> suggestionList(
String query,String contentCountry)
throws ExtractionException, IOException;
public int getServiceId() {
return serviceId;
}
}

49
app/src/main/java/org/schabi/newpipe/extractor/services/youtube/YoutubeSearchEngine.java
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@@ -118,55 +118,6 @@ public class YoutubeSearchEngine extends SearchEngine {
return collector;
}
@Override
public List<String> suggestionList(String query, String contentCountry)
throws IOException, ParsingException {
List<String> suggestions = new ArrayList<>();
Downloader dl = NewPipe.getDownloader();
String url = "https://suggestqueries.google.com/complete/search"
+ "?client=" + ""
+ "&output=" + "toolbar"
+ "&ds=" + "yt"
+ "&hl=" + URLEncoder.encode(contentCountry, CHARSET_UTF_8)
+ "&q=" + URLEncoder.encode(query, CHARSET_UTF_8);
String response = dl.download(url);
//TODO: Parse xml data using Jsoup not done
DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder dBuilder;
org.w3c.dom.Document doc = null;
try {
dBuilder = dbFactory.newDocumentBuilder();
doc = dBuilder.parse(new InputSource(
new ByteArrayInputStream(response.getBytes(CHARSET_UTF_8))));
doc.getDocumentElement().normalize();
} catch (ParserConfigurationException | SAXException | IOException e) {
throw new ParsingException("Could not parse document.");
}
try {
NodeList nList = doc.getElementsByTagName("CompleteSuggestion");
for (int temp = 0; temp < nList.getLength(); temp++) {
NodeList nList1 = doc.getElementsByTagName("suggestion");
Node nNode1 = nList1.item(temp);
if (nNode1.getNodeType() == Node.ELEMENT_NODE) {
org.w3c.dom.Element eElement = (org.w3c.dom.Element) nNode1;
suggestions.add(eElement.getAttribute("data"));
}
}
return suggestions;
} catch(Exception e) {
throw new ParsingException("Could not get suggestions form document.", e);
}
}
private StreamPreviewInfoExtractor extractPreviewInfo(final Element item) {
return new YoutubeStreamPreviewInfoExtractor(item);
}

6
app/src/main/java/org/schabi/newpipe/extractor/services/youtube/YoutubeService.java
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@@ -5,6 +5,7 @@ import org.schabi.newpipe.extractor.ExtractionException;
import org.schabi.newpipe.extractor.Downloader;
import org.schabi.newpipe.extractor.StreamExtractor;
import org.schabi.newpipe.extractor.StreamingService;
import org.schabi.newpipe.extractor.SuggestionExtractor;
import org.schabi.newpipe.extractor.UrlIdHandler;
import org.schabi.newpipe.extractor.SearchEngine;
@@ -74,4 +75,9 @@ public class YoutubeService extends StreamingService {
throws ExtractionException, IOException {
return new YoutubeChannelExtractor(getChannelUrlIdHandlerInstance(), url, page, getServiceId());
}
@Override
public SuggestionExtractor getSuggestionExtractorInstance() {
return new YoutubeSuggestionExtractor(getServiceId());
}
}

100
app/src/main/java/org/schabi/newpipe/extractor/services/youtube/YoutubeSuggestionExtractor.java Normal file
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@@ -0,0 +1,100 @@
package org.schabi.newpipe.extractor.services.youtube;
import org.schabi.newpipe.extractor.Downloader;
import org.schabi.newpipe.extractor.ExtractionException;
import org.schabi.newpipe.extractor.NewPipe;
import org.schabi.newpipe.extractor.ParsingException;
import org.schabi.newpipe.extractor.SuggestionExtractor;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.List;
import java.util.Vector;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
/**
* Created by Christian Schabesberger on 28.09.16.
*
* Copyright (C) Christian Schabesberger 2015 <chris.schabesberger@mailbox.org>
* YoutubeSuggestionExtractor.java is part of NewPipe.
*
* NewPipe 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.
*
* NewPipe 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 NewPipe. If not, see <http://www.gnu.org/licenses/>.
*/
public class YoutubeSuggestionExtractor extends SuggestionExtractor {
public static final String CHARSET_UTF_8 = "UTF-8";
public YoutubeSuggestionExtractor(int serviceId) {
super(serviceId);
}
@Override
public List<String> suggestionList(
String query, String contentCountry)
throws ExtractionException, IOException {
List<String> suggestions = new ArrayList<>();
Downloader dl = NewPipe.getDownloader();
String url = "https://suggestqueries.google.com/complete/search"
+ "?client=" + ""
+ "&output=" + "toolbar"
+ "&ds=" + "yt"
+ "&hl=" + URLEncoder.encode(contentCountry, CHARSET_UTF_8)
+ "&q=" + URLEncoder.encode(query, CHARSET_UTF_8);
String response = dl.download(url);
//TODO: Parse xml data using Jsoup not done
DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder dBuilder;
org.w3c.dom.Document doc = null;
try {
dBuilder = dbFactory.newDocumentBuilder();
doc = dBuilder.parse(new InputSource(
new ByteArrayInputStream(response.getBytes(CHARSET_UTF_8))));
doc.getDocumentElement().normalize();
} catch (ParserConfigurationException | SAXException | IOException e) {
throw new ParsingException("Could not parse document.");
}
try {
NodeList nList = doc.getElementsByTagName("CompleteSuggestion");
for (int temp = 0; temp < nList.getLength(); temp++) {
NodeList nList1 = doc.getElementsByTagName("suggestion");
Node nNode1 = nList1.item(temp);
if (nNode1.getNodeType() == Node.ELEMENT_NODE) {
org.w3c.dom.Element eElement = (org.w3c.dom.Element) nNode1;
suggestions.add(eElement.getAttribute("data"));
}
}
return suggestions;
} catch(Exception e) {
throw new ParsingException("Could not get suggestions form document.", e);
}
}
}

7
app/src/main/java/org/schabi/newpipe/search_fragment/SuggestionSearchRunnable.java
View File

@@ -8,6 +8,7 @@ import android.widget.Toast;
import org.schabi.newpipe.Downloader;
import org.schabi.newpipe.extractor.NewPipe;
import org.schabi.newpipe.extractor.SuggestionExtractor;
import org.schabi.newpipe.report.ErrorActivity;
import org.schabi.newpipe.R;
import org.schabi.newpipe.extractor.ExtractionException;
@@ -70,13 +71,13 @@ public class SuggestionSearchRunnable implements Runnable{
@Override
public void run() {
try {
SearchEngine engine =
NewPipe.getService(serviceId).getSearchEngineInstance();
SuggestionExtractor se =
NewPipe.getService(serviceId).getSuggestionExtractorInstance();
SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(a);
String searchLanguageKey = a.getString(R.string.search_language_key);
String searchLanguage = sp.getString(searchLanguageKey,
a.getString(R.string.default_language_value));
List<String> suggestions = engine.suggestionList(query, searchLanguage);
List<String> suggestions = se.suggestionList(query, searchLanguage);
h.post(new SuggestionResultRunnable(suggestions, adapter));
} catch (ExtractionException e) {
ErrorActivity.reportError(h, a, e, null, a.findViewById(android.R.id.content),