92 lines
3.7 KiB
Java
92 lines
3.7 KiB
Java
package org.schabi.newpipe.extractor;
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import org.schabi.newpipe.extractor.channel.ChannelInfoItemExtractor;
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import org.schabi.newpipe.extractor.channel.ChannelInfoItemsCollector;
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import org.schabi.newpipe.extractor.exceptions.ParsingException;
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import org.schabi.newpipe.extractor.playlist.PlaylistInfoItemExtractor;
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import org.schabi.newpipe.extractor.playlist.PlaylistInfoItemsCollector;
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import org.schabi.newpipe.extractor.stream.StreamInfoItemExtractor;
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import org.schabi.newpipe.extractor.stream.StreamInfoItemsCollector;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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/*
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* Created by Christian Schabesberger on 12.02.17.
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*
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* Copyright (C) Christian Schabesberger 2017 <chris.schabesberger@mailbox.org>
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* InfoItemsSearchCollector.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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/**
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* A collector that can handle many extractor types, to be used when a list contains items of
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* different types (e.g. search)
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* <p>
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* This collector can handle the following extractor types:
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* <ul>
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* <li>{@link StreamInfoItemExtractor}</li>
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* <li>{@link ChannelInfoItemExtractor}</li>
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* <li>{@link PlaylistInfoItemExtractor}</li>
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* </ul>
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* Calling {@link #extract(InfoItemExtractor)} or {@link #commit(InfoItemExtractor)} with any
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* other extractor type will raise an exception.
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*/
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public class MultiInfoItemsCollector extends InfoItemsCollector<InfoItem, InfoItemExtractor> {
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private final StreamInfoItemsCollector streamCollector;
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private final ChannelInfoItemsCollector userCollector;
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private final PlaylistInfoItemsCollector playlistCollector;
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public MultiInfoItemsCollector(int serviceId) {
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super(serviceId);
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streamCollector = new StreamInfoItemsCollector(serviceId);
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userCollector = new ChannelInfoItemsCollector(serviceId);
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playlistCollector = new PlaylistInfoItemsCollector(serviceId);
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}
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@Override
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public List<Throwable> getErrors() {
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final List<Throwable> errors = new ArrayList<>(super.getErrors());
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errors.addAll(streamCollector.getErrors());
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errors.addAll(userCollector.getErrors());
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errors.addAll(playlistCollector.getErrors());
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return Collections.unmodifiableList(errors);
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}
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@Override
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public void reset() {
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super.reset();
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streamCollector.reset();
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userCollector.reset();
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playlistCollector.reset();
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}
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@Override
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public InfoItem extract(InfoItemExtractor extractor) throws ParsingException {
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// Use the corresponding collector for each item extractor type
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if (extractor instanceof StreamInfoItemExtractor) {
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return streamCollector.extract((StreamInfoItemExtractor) extractor);
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} else if (extractor instanceof ChannelInfoItemExtractor) {
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return userCollector.extract((ChannelInfoItemExtractor) extractor);
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} else if (extractor instanceof PlaylistInfoItemExtractor) {
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return playlistCollector.extract((PlaylistInfoItemExtractor) extractor);
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} else {
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throw new IllegalArgumentException("Invalid extractor type: " + extractor);
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}
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}
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}
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