filebot/source/net/sourceforge/filebot/web/IMDbClient.java

229 lines
7.0 KiB
Java

package net.sourceforge.filebot.web;
import static net.sourceforge.filebot.web.WebRequest.*;
import static net.sourceforge.tuned.XPathUtilities.*;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.Reader;
import java.net.URI;
import java.net.URL;
import java.net.URLConnection;
import java.nio.ByteBuffer;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.Collection;
import java.util.EnumMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Scanner;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.swing.Icon;
import net.sf.ehcache.Cache;
import net.sf.ehcache.CacheManager;
import net.sourceforge.filebot.ResourceManager;
import net.sourceforge.filebot.web.TMDbClient.MovieInfo;
import net.sourceforge.filebot.web.TMDbClient.MovieInfo.MovieProperty;
import net.sourceforge.filebot.web.TMDbClient.Person;
import org.json.simple.JSONObject;
import org.json.simple.JSONValue;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.xml.sax.SAXException;
public class IMDbClient implements MovieIdentificationService {
private final String host = "akas.imdb.com";
@Override
public String getName() {
return "IMDb";
}
@Override
public Icon getIcon() {
return ResourceManager.getIcon("search.imdb");
}
protected int getImdbId(String link) {
Matcher matcher = Pattern.compile("tt(\\d{7})").matcher(link);
if (matcher.find()) {
return Integer.parseInt(matcher.group(1));
}
// pattern not found
throw new IllegalArgumentException(String.format("Cannot find imdb id: %s", link));
}
@Override
public List<Movie> searchMovie(String query, Locale locale) throws Exception {
Document dom = parsePage(new URL("http", host, "/find?s=tt&q=" + encode(query)));
// select movie links followed by year in parenthesis
List<Node> nodes = selectNodes("//TABLE//A[substring-after(substring-before(following::text(),')'),'(')]", dom);
List<Movie> results = new ArrayList<Movie>(nodes.size());
for (Node node : nodes) {
try {
String name = node.getTextContent().trim();
if (name.startsWith("\""))
continue;
String year = node.getNextSibling().getTextContent().replaceAll("[\\p{Punct}\\p{Space}]+", ""); // remove non-number characters
String href = getAttribute("href", node);
results.add(new Movie(name, Integer.parseInt(year), getImdbId(href), -1));
} catch (Exception e) {
// ignore illegal movies (TV Shows, Videos, Video Games, etc)
}
}
// we might have been redirected to the movie page
if (results.isEmpty()) {
try {
int imdbid = getImdbId(selectString("//LINK[@rel='canonical']/@href", dom));
Movie movie = getMovieDescriptor(imdbid, locale);
if (movie == null) {
results.add(movie);
}
} catch (Exception e) {
// ignore, can't find movie
}
}
return results;
}
protected Movie scrapeMovie(Document dom, Locale locale) {
try {
String header = selectString("//H1", dom).toUpperCase();
if (header.contains("(VG)")) // ignore video games and videos
return null;
String name = selectString("//H1/A/text()", dom).replaceAll("\\s+", " ").trim();
String year = new Scanner(selectString("//H1/A/following::A/text()", dom)).useDelimiter("\\D+").next();
String url = selectString("//H1/A/@href", dom);
// try to get localized name
if (locale != null && locale != Locale.ROOT) {
try {
String language = String.format("(%s title)", locale.getDisplayLanguage(Locale.ENGLISH).toLowerCase());
List<Node> akaRows = selectNodes("//*[@name='akas']//following::TABLE[1]//TR", dom);
for (Node aka : akaRows) {
List<Node> columns = getChildren("TD", aka);
String akaTitle = getTextContent(columns.get(0));
String languageDesc = getTextContent(columns.get(1)).toLowerCase();
if (language.length() > 0 && languageDesc.contains(language) && languageDesc.contains("international")) {
name = akaTitle;
break;
}
}
} catch (Exception e) {
Logger.getLogger(getClass().getName()).log(Level.WARNING, "Failed to grep localized name: " + name);
}
}
return new Movie(name, Pattern.matches("\\d{4}", year) ? Integer.parseInt(year) : -1, getImdbId(url), -1);
} catch (Exception e) {
// ignore, we probably got redirected to an error page
return null;
}
}
@Override
public Movie getMovieDescriptor(int imdbid, Locale locale) throws Exception {
try {
return scrapeMovie(parsePage(new URL("http", host, String.format("/title/tt%07d/releaseinfo", imdbid))), locale);
} catch (FileNotFoundException e) {
return null; // illegal imdbid
}
}
protected Document parsePage(URL url) throws IOException, SAXException {
CachedPage page = new CachedPage(url) {
@Override
protected Reader openConnection(URL url) throws IOException {
URLConnection connection = url.openConnection();
// IMDb refuses default user agent (Java/1.6.0_12)
connection.addRequestProperty("User-Agent", "Mozilla");
return getReader(connection);
}
};
return getHtmlDocument(page.get());
}
public URI getMoviePageLink(int imdbId) {
return URI.create(String.format("http://www.imdb.com/title/tt%07d/", imdbId));
}
@Override
public Map<File, Movie> getMovieDescriptors(Collection<File> movieFiles, Locale locale) throws Exception {
throw new UnsupportedOperationException();
}
@SuppressWarnings("unchecked")
public Map<String, String> getImdbApiData(Integer i, String t, String y) throws IOException {
String url = i != null ? String.format("http://www.deanclatworthy.com/imdb/?id=tt%07d", i) : String.format("http://www.deanclatworthy.com/imdb/?q=%s&year=%s", encode(t), encode(y));
CachedResource<JSONObject> data = new CachedResource<JSONObject>(url, JSONObject.class, 7 * 24 * 60 * 60 * 1000) {
@Override
public JSONObject process(ByteBuffer data) throws Exception {
return (JSONObject) JSONValue.parse(Charset.forName("UTF-8").decode(data).toString());
}
@Override
protected Cache getCache() {
return CacheManager.getInstance().getCache("web-data-diskcache");
}
};
return data.get();
}
public MovieInfo getImdbApiMovieInfo(Movie movie) throws IOException {
Map<String, String> data = movie.getImdbId() > 0 ? getImdbApiData(movie.getImdbId(), null, null) : getImdbApiData(null, movie.getName(), String.valueOf(movie.getYear()));
// sanity check
if (data.get("error") != null) {
throw new IllegalArgumentException(data.get("error"));
}
Map<MovieProperty, String> fields = new EnumMap<MovieProperty, String>(MovieProperty.class);
fields.put(MovieProperty.vote_average, data.get("rating"));
fields.put(MovieProperty.vote_count, data.get("votes"));
fields.put(MovieProperty.imdb_id, data.get("imdbid"));
return new MovieInfo(fields, new ArrayList<String>(0), new ArrayList<String>(0), new ArrayList<Person>(0));
}
}