org.tinymediamanager.core.movie.tasks.MovieSubtitleDownloadTask.java Source code

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Here is the source code for org.tinymediamanager.core.movie.tasks.MovieSubtitleDownloadTask.java

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/*
 * Copyright 2012 - 2016 Manuel Laggner
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.tinymediamanager.core.movie.tasks;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.nio.file.Path;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;

import org.apache.commons.io.FilenameUtils;
import org.tinymediamanager.Globals;
import org.tinymediamanager.core.MediaFileType;
import org.tinymediamanager.core.Utils;
import org.tinymediamanager.core.entities.MediaFile;
import org.tinymediamanager.core.movie.entities.Movie;
import org.tinymediamanager.core.threading.DownloadTask;

/**
 * This class handles the download and additional unpacking of a subtitle
 * 
 * @author Manuel Laggner
 */
public class MovieSubtitleDownloadTask extends DownloadTask {

    private final Movie movie;
    private final String languageTag;
    private final Path videoFilePath;

    public MovieSubtitleDownloadTask(String url, Path videoFilePath, String languageTag, Movie movie) {
        super(url, movie.getPathNIO()
                .resolve(FilenameUtils.getBaseName(videoFilePath.getFileName().toString()) + "." + languageTag));
        this.movie = movie;
        this.languageTag = languageTag;
        this.videoFilePath = videoFilePath;
    }

    @Override
    protected void doInBackground() {
        // let the DownloadTask handle the whole download
        super.doInBackground();

        MediaFile mf = new MediaFile(file);

        if (mf.getType() != MediaFileType.SUBTITLE) {
            String basename = FilenameUtils.getBaseName(videoFilePath.toString()) + "." + languageTag;

            // try to decompress
            try {
                byte[] buffer = new byte[1024];

                ZipInputStream is = new ZipInputStream(new FileInputStream(file.toFile()));

                // get the zipped file list entry
                ZipEntry ze = is.getNextEntry();

                while (ze != null) {
                    String zipEntryFilename = ze.getName();
                    String extension = FilenameUtils.getExtension(zipEntryFilename);

                    // check is that is a valid file type
                    if (!Globals.settings.getSubtitleFileType().contains("." + extension)
                            && !"idx".equals(extension)) {
                        ze = is.getNextEntry();
                        continue;
                    }

                    File destination = new File(file.getParent().toFile(), basename + "." + extension);
                    FileOutputStream os = new FileOutputStream(destination);

                    int len;
                    while ((len = is.read(buffer)) > 0) {
                        os.write(buffer, 0, len);
                    }

                    os.close();
                    mf = new MediaFile(destination.toPath());

                    // only take the first subtitle
                    break;
                }
                is.closeEntry();
                is.close();

                Utils.deleteFileSafely(file);
            } catch (Exception e) {
            }
        }

        mf.gatherMediaInformation();
        movie.removeFromMediaFiles(mf); // remove old (possibly same) file
        movie.addToMediaFiles(mf); // add file, but maybe with other MI values
        movie.saveToDb();
    }
}