net.urlgrey.mythpodcaster.transcode.ClipLocatorImpl.java Source code

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Here is the source code for net.urlgrey.mythpodcaster.transcode.ClipLocatorImpl.java

Source

/*
 * ClipLocatorImpl.java
 * 
 * Created: Oct 9, 2009 10:17:10 AM
 * 
 * Copyright (C) 2009 Scott Kidder
 * 
 * This file is part of MythPodcaster
 * 
 * This program 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.
 * 
 * This program 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 this program. If
 * not, see <http://www.gnu.org/licenses/>.
 */
package net.urlgrey.mythpodcaster.transcode;

import java.io.File;
import java.util.List;

import net.urlgrey.mythpodcaster.dao.MythRecordingsDAO;

import org.springframework.beans.factory.annotation.Required;

/**
 * @author scott
 * 
 */
public class ClipLocatorImpl implements ClipLocator {

    private static final String PNG_EXTENSION = ".png";
    private MythRecordingsDAO recordingsDao;

    /**
     * @param filename
     * @return
     */
    public File locateOriginalClip(String filename) {

        final List<String> recordingDirectories = recordingsDao.findRecordingDirectories();
        if (recordingDirectories == null || recordingDirectories.size() == 0) {
            return null;
        }

        for (String directory : recordingDirectories) {
            File clipLocation = new File(directory, filename);
            if (clipLocation.canRead()) {
                return clipLocation;
            }
        }
        return null;
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * net.urlgrey.mythpodcaster.transcode.ClipLocator#locateThumbnailForOriginalClip(java.lang.String
     * )
     */
    @Override
    public File locateThumbnailForOriginalClip(String filename) {
        final File clipFile = this.locateOriginalClip(filename);
        if (clipFile != null) {
            final File clipThumbnailFile = new File(clipFile.getParentFile(), clipFile.getName() + PNG_EXTENSION);
            if (clipThumbnailFile.canRead()) {
                return clipThumbnailFile;
            }
        }

        return null;
    }

    @Required
    public void setRecordingsDao(MythRecordingsDAO recordingsDao) {
        this.recordingsDao = recordingsDao;
    }
}