mirror of https://github.com/bvn13/imdb-spider.git
469 lines
19 KiB
Java
469 lines
19 KiB
Java
package ru.bvn13.imdbspider.spider.api.v1_0;
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import org.jsoup.nodes.Element;
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import org.jsoup.select.Elements;
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import ru.bvn13.imdbspider.exceptions.ImdbSpiderException;
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import ru.bvn13.imdbspider.exceptions.api.DataTypeNotSupportedException;
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import ru.bvn13.imdbspider.exceptions.processor.HtmlProcessorException;
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import ru.bvn13.imdbspider.imdb.*;
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import ru.bvn13.imdbspider.imdb.accessories.Link;
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import ru.bvn13.imdbspider.imdb.accessories.SoundMix;
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import ru.bvn13.imdbspider.spider.api.ApiFactory;
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import ru.bvn13.imdbspider.spider.processor.HtmlProcessor;
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import ru.bvn13.imdbspider.spider.tasker.Task;
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import java.net.URLEncoder;
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import java.nio.charset.Charset;
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import java.util.ArrayList;
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import java.util.EnumSet;
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import java.util.List;
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import java.util.function.BiConsumer;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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/**
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* @author boyko_vn at 09.01.2019
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*
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* IMDB :: SPIDER :: API :: version 1.0 (started 09.01.2019)
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*/
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public class ApiFactory_1_0 implements ApiFactory {
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public static final String URL_MAIN = "https://www.imdb.com";
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private static final String URL_SEARCH_TITLE = "https://www.imdb.com/find?ref_=nv_sr_fn&q={{title}}&s=tt";
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private final Pattern PATTERN_MOVIE_ID_FROM_MOVIELIST = Pattern.compile("/title/tt(\\d+)/.*");
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private EnumSet<MovieDataType> defaultMovieDataTypeSet = EnumSet.of(MovieDataType.ID, MovieDataType.TITLE, MovieDataType.YEAR);
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private EnumSet<MovieDataType> movieDataTypeSet;
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private HtmlProcessor htmlProcessor;
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private static class POSTPROCESS {
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static final BiConsumer<Task, String> GET_TEXT_OF_FIRST_ELEMENT = (task, s) -> {
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task.setResultType(String.class);
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if (task.getCssSelectorResult().size() > 0) {
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task.setResult(task.getCssSelectorResult().first().text().trim());
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} else {
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task.setResult("");
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}
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};
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static final BiConsumer<Task, String> GET_OWN_TEXT_OF_FIRST_ELEMENT = (task, s) -> {
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task.setResultType(String.class);
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if (task.getCssSelectorResult().size() > 0) {
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task.setResult(task.getCssSelectorResult().first().ownText().trim());
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} else {
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task.setResult("");
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}
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};
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static final BiConsumer<Task, String> GET_WHOLE_TEXT_OF_FIRST_ELEMENT = (task, s) -> {
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task.setResultType(String.class);
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if (task.getCssSelectorResult().size() > 0) {
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task.setResult(task.getCssSelectorResult().first().wholeText().trim());
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} else {
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task.setResult("");
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}
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};
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static final BiConsumer<Task, String> GET_OWN_TEXT_OF_PARENT_MODE = (task, s) -> {
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task.setResultType(String.class);
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if (task.getCssSelectorResult().size() > 0) {
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task.setResult(task.getCssSelectorResult().first().parent().ownText().trim());
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} else {
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task.setResult("");
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}
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};
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static final BiConsumer<Task, String> COLLECT_TITLES_OF_ALL_NESTED_LINKS_OF_PARENT_NODE = (task, s) -> {
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task.setResultType(List.class);
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List<String> titles = new ArrayList<>();
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if (task.getCssSelectorResult().size() > 0) {
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for (Element title : task.getCssSelectorResult().first().parent().select("a")) {
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titles.add(title.text().trim());
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}
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}
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task.setResult(titles);
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};
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static final BiConsumer<Task, String> COLLECT_ALL_NESTED_LINKS_OF_PARENT_NODE = (task, s) -> {
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task.setResultType(List.class);
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List<Link> titles = new ArrayList<>();
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if (task.getCssSelectorResult().size() > 0) {
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for (Element link : task.getCssSelectorResult().first().parent().select("a")) {
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final String url = link.attr("href").trim();
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titles.add(new Link()
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.setTitle(link.text().trim())
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.setUrl((url.startsWith("/") ? String.format("%s%s", URL_MAIN, url) : url))
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);
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}
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}
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task.setResult(titles);
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};
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static final BiConsumer<Task, String> GET_TITLE_OF_FIRST_LINK_IN_PARENT_MODE = (task, s) -> {
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task.setResultType(String.class);
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task.setResult("");
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if (task.getCssSelectorResult().size() > 0) {
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Elements links = task.getCssSelectorResult().first().parent().select("a");
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if (links.size() > 0) {
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task.setResult(links.first().text().trim());
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}
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}
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};
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}
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public ApiFactory_1_0(HtmlProcessor htmlProcessor) {
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this.htmlProcessor = htmlProcessor;
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}
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@Override
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public List<Task> createTasksForSearchMovieByTitle(String title, int maxCount, EnumSet<MovieDataType> dataTypes) throws ImdbSpiderException {
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setMovieDataTypeSet(dataTypes);
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String url = URL_SEARCH_TITLE.replace("{{title}}", URLEncoder.encode(title, Charset.forName("utf-8")));
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List<Task> tasks = new ArrayList<>();
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try {
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Task t1 = taskByDataType(MovieListDataType.ELEMENTS);
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t1.setUrl(url);
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if (maxCount > 0) {
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t1.setRestrictionByCount(maxCount);
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}
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tasks.add(t1);
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} catch (DataTypeNotSupportedException e) {
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throw e;
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}
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return tasks;
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}
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@Override
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public Task taskByDataType(DataType dataType) throws DataTypeNotSupportedException {
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if (dataType instanceof MovieDataType) {
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return taskByMovieDataType((MovieDataType) dataType);
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} else if (dataType instanceof MovieListDataType) {
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return taskByMovieListDataType((MovieListDataType) dataType);
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} else {
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throw new DataTypeNotSupportedException(String.format("DataType %s is not supported by API v1_0!", dataType.getClass().getName()));
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}
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}
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@Override
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public void fillUpImdbObject(ImdbObject imdbObject, Task task) {
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if (imdbObject instanceof Movie) {
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if (task.getDataType() instanceof MovieDataType) {
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fillUpMovie((Movie) imdbObject, task);
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}
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} else if (imdbObject instanceof MovieList) {
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if (task.getDataType() instanceof MovieListDataType) {
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fillUpMovieList((MovieList) imdbObject, task);
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}
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}
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}
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private Task taskByMovieDataType(MovieDataType movieDataType) {
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Task t = new Task();
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t.setDataType(movieDataType);
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switch (movieDataType) {
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case ID:
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t.setPostprocess((task, s) -> {
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Matcher matcher = PATTERN_MOVIE_ID_FROM_MOVIELIST.matcher(task.getUrl());
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if (matcher.find()) {
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task.setResultType(String.class);
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task.setResult(matcher.group(1));
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}
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});
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break;
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case TITLE:
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t.setCssSelector("#title-overview-widget > div.vital > div.title_block > div > div.titleBar > div.title_wrapper > h1");
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t.setPostprocess(POSTPROCESS.GET_WHOLE_TEXT_OF_FIRST_ELEMENT);
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break;
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case ORIGINAL_TITLE:
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t.setCssSelector("#title-overview-widget > div.vital > div.title_block > div > div.titleBar > div.title_wrapper > div.originalTitle");
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t.setPostprocess(POSTPROCESS.GET_OWN_TEXT_OF_FIRST_ELEMENT);
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break;
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case YEAR:
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t.setCssSelector("#titleYear > a");
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t.setPostprocess((task, s) -> {
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task.setResultType(Integer.class);
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if (task.getCssSelectorResult().size() > 0) {
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try {
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task.setResult(Integer.parseInt(task.getCssSelectorResult().first().text().trim()));
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} catch (NumberFormatException e) {
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task.setResult(-1);
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}
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} else {
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task.setResult(-1);
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}
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});
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break;
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case POSTER:
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t.setCssSelector("#title-overview-widget > div.vital > div.slate_wrapper > div.poster > a > img");
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t.setPostprocess((task, s) -> {
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task.setResultType(String.class);
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if (task.getCssSelectorResult().size() > 0) {
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task.setResult(task.getCssSelectorResult().first().attr("src"));
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} else {
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task.setResult("");
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}
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});
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break;
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case STORYLINE:
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t.setCssSelector("#titleStoryLine > div:nth-child(3) > p > span");
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t.setPostprocess(POSTPROCESS.GET_TEXT_OF_FIRST_ELEMENT);
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break;
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case RANDOM_TAGLINE:
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t.setCssSelector("#titleStoryLine > div > h4:contains(Taglines)"); //#titleStoryLine > div:nth-child(8) > h4
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t.setPostprocess(POSTPROCESS.GET_OWN_TEXT_OF_PARENT_MODE);
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break;
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case GENRES:
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t.setCssSelector("#titleStoryLine > div > h4:contains(Genres)");
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t.setPostprocess(POSTPROCESS.COLLECT_TITLES_OF_ALL_NESTED_LINKS_OF_PARENT_NODE);
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break;
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case CERTIFICATE:
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t.setCssSelector("#titleStoryLine > div > h4:contains(Certificate)");
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t.setPostprocess((task, s) -> {
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task.setResultType(String.class);
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if (task.getCssSelectorResult().size() > 0) {
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task.setResult(task.getCssSelectorResult().first().parent().select("span:nth-child(2)").first().text().trim());
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}
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});
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break;
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case OFFICIAL_SITES:
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t.setCssSelector("#titleDetails > div > h4:contains(Official Sites)");
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t.setPostprocess(POSTPROCESS.COLLECT_ALL_NESTED_LINKS_OF_PARENT_NODE);
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break;
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case COUNTRIES:
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t.setCssSelector("#titleDetails > div > h4:contains(Country)");
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t.setPostprocess(POSTPROCESS.COLLECT_TITLES_OF_ALL_NESTED_LINKS_OF_PARENT_NODE);
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break;
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case LANGUAGES:
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t.setCssSelector("#titleDetails > div > h4:contains(Language)");
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t.setPostprocess(POSTPROCESS.COLLECT_TITLES_OF_ALL_NESTED_LINKS_OF_PARENT_NODE);
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break;
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case RELEASE_DATE:
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t.setCssSelector("#titleDetails > div > h4:contains(Release Date)");
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t.setPostprocess(POSTPROCESS.GET_OWN_TEXT_OF_PARENT_MODE);
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break;
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case BUDGET:
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t.setCssSelector("#titleDetails > div > h4:contains(Budget)");
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t.setPostprocess(POSTPROCESS.GET_OWN_TEXT_OF_PARENT_MODE);
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break;
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case CUMULATIVE_WORLDWIDE_GROSS:
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t.setCssSelector("#titleDetails > div > h4:contains(Cumulative Worldwide Gross)");
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t.setPostprocess(POSTPROCESS.GET_OWN_TEXT_OF_PARENT_MODE);
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break;
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case RUNTIME:
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t.setCssSelector("#titleDetails > div > h4:contains(Runtime)");
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t.setPostprocess((task, s) -> {
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task.setResultType(String.class);
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task.setResult("");
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if (task.getCssSelectorResult().size() > 0) {
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task.setResult(task.getCssSelectorResult().first().parent().text().replace("Runtime:", "").trim());
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}
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});
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break;
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case SOUND_MIXES:
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t.setCssSelector("#titleDetails > div > h4:contains(Sound Mix)");
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t.setPostprocess((task, s) -> {
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task.setResultType(List.class);
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List<SoundMix> titles = new ArrayList<>();
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if (task.getCssSelectorResult().size() > 0) {
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String html = task.getCssSelectorResult().first().parent().html();
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html = html.replace("\r", "");
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html = html.replace("\n", "");
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html = html.replace("<span class=\"ghost\">|</span>", "|");
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// remove header: <h4 class="inline">Sound Mix:</h4>
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html = html.replaceAll("(<h4.+\\/h4>)", "");
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String[] lines = html.split("\\|");
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for (int i=0; i<lines.length; i++) {
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try {
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Elements els = htmlProcessor.process(String.format("<div>%s</div>", lines[i]), "div");
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if (els.size() > 0) {
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Element div = els.first();
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Element link = div.selectFirst("a");
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titles.add(new SoundMix()
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.setName(link.text().trim())
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.setDescription(div.ownText())
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);
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}
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} catch (HtmlProcessorException e) {
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e.printStackTrace();
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}
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}
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}
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task.setResult(titles);
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});
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break;
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case COLOR:
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t.setCssSelector("#titleDetails > div > h4:contains(Color)");
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t.setPostprocess(POSTPROCESS.GET_TITLE_OF_FIRST_LINK_IN_PARENT_MODE);
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break;
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case ASPECT_RATIO:
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t.setCssSelector("#titleDetails > div > h4:contains(Aspect Ratio)");
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t.setPostprocess(POSTPROCESS.GET_OWN_TEXT_OF_PARENT_MODE);
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break;
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}
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return t;
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}
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private Task taskByMovieListDataType(MovieListDataType movieListDataType) {
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Task t = new Task();
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t.setDataType(movieListDataType);
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switch (movieListDataType) {
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case ELEMENTS:
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t.setCssSelector("#main > div > div.findSection > table > tbody > tr > td.result_text");
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t.setResultType(List.class);
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t.setPostprocess((task, s) -> {
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int count = 0;
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for (Element element : task.getCssSelectorResult()) {
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count++;
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if (task.getRestrictionByCount() != null) {
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if (count > task.getRestrictionByCount()) {
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break;
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}
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}
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Element link = element.select("a").first();
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if (movieDataTypeSet == null) {
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movieDataTypeSet = defaultMovieDataTypeSet;
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}
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if (!movieDataTypeSet.contains(MovieDataType.ID)) {
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movieDataTypeSet.add(MovieDataType.ID);
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}
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Task movieTask = this.taskByMovieDataType(MovieDataType.ID)
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.setParentTask(task)
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.setUrl(String.format("%s%s", URL_MAIN, link.attr("href")));
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task.getNestedTasks().add(movieTask);
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movieDataTypeSet.forEach(movieDataType -> movieTask.getNestedTasks().add(this.taskByMovieDataType(movieDataType)
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.setParentTask(movieTask)
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.setUrl(String.format("%s%s", URL_MAIN, link.attr("href")))));
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}
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});
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break;
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}
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return t;
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}
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private void fillUpMovie(Movie movie, Task task) {
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boolean isDone = false;
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switch ((MovieDataType) task.getDataType()) {
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case ID:
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movie.setUrl(task.getUrl());
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movie.setId((String) task.getResult());
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isDone = true;
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break;
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case TITLE:
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movie.setTitle((String) task.getResult());
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isDone = true;
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break;
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case ORIGINAL_TITLE:
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movie.setOriginalTitle((String) task.getResult());
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isDone = true;
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break;
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case YEAR:
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movie.setYear((Integer) task.getResult());
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isDone = true;
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break;
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case POSTER:
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movie.setPosterLink((String) task.getResult());
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isDone = true;
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break;
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case STORYLINE:
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movie.setStoryline((String) task.getResult());
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isDone = true;
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break;
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case RANDOM_TAGLINE:
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movie.setRandomTagline((String) task.getResult());
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isDone = true;
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break;
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case GENRES:
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movie.setGenres((List<String>) task.getResult());
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isDone = true;
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break;
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case CERTIFICATE:
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movie.setCertificate((String) task.getResult());
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isDone = true;
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break;
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case OFFICIAL_SITES:
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movie.setOfficialSites((List<Link>) task.getResult());
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isDone = true;
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break;
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case COUNTRIES:
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movie.setCountries((List<String>) task.getResult());
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isDone = true;
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break;
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case LANGUAGES:
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movie.setLanguages((List<String>) task.getResult());
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isDone = true;
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break;
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case RELEASE_DATE:
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movie.setReleaseDate((String) task.getResult());
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isDone = true;
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break;
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case BUDGET:
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movie.setBudget((String) task.getResult());
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isDone = true;
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break;
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case CUMULATIVE_WORLDWIDE_GROSS:
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movie.setCumulativeWorldwideGross((String) task.getResult());
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isDone = true;
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break;
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case RUNTIME:
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movie.setRuntime((String) task.getResult());
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isDone = true;
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break;
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case SOUND_MIXES:
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movie.setSoundMixes((List<SoundMix>) task.getResult());
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isDone = true;
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break;
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case COLOR:
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movie.setColor((String) task.getResult());
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isDone = true;
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break;
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case ASPECT_RATIO:
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movie.setAspectRatio((String) task.getResult());
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isDone = true;
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break;
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}
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if (isDone) {
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movie.getRetrievedDataTypes().add((MovieDataType) task.getDataType());
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}
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}
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private void fillUpMovieList(MovieList movieList, Task task) {
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switch ((MovieListDataType) task.getDataType()) {
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case ELEMENTS:
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movieList.setUrl(task.getUrl());
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movieList.getRetrievedDataTypes().add((MovieListDataType) task.getDataType());
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break;
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}
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}
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@Override
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public EnumSet<MovieDataType> getDefaultMovieDataTypeSet() {
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return defaultMovieDataTypeSet;
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}
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@Override
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public void setMovieDataTypeSet(EnumSet<MovieDataType> movieDataTypeSet) {
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this.movieDataTypeSet = movieDataTypeSet;
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}
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@Override
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public EnumSet<MovieDataType> getMovieDataTypeSet() {
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return movieDataTypeSet;
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}
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}
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