net.seedboxer.core.logic.DownloadsSessionManager.java Source code

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Here is the source code for net.seedboxer.core.logic.DownloadsSessionManager.java

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/*******************************************************************************
 * DownloadsSessionManager.java
 *
 * Copyright (c) 2012 SeedBoxer Team.
 *
 * This file is part of SeedBoxer.
 *
 * SeedBoxer 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.
 *
 * SeedBoxer 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 SeedBoxer.  If not, see <http ://www.gnu.org/licenses/>.
 ******************************************************************************/
package net.seedboxer.core.logic;

import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

import net.seedboxer.core.domain.DownloadSession;
import net.seedboxer.core.type.Download;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Service;

/**
 * @author Jorge Davison (jdavisonc)
 *
 */
@Service
public class DownloadsSessionManager {

    private static final Logger LOGGER = LoggerFactory.getLogger(DownloadsSessionManager.class);

    private final Map<Long, DownloadSession> sessionsPerUser;
    private final Map<Long, String> filesPerUser;

    public DownloadsSessionManager() {
        sessionsPerUser = new ConcurrentHashMap<Long, DownloadSession>();
        filesPerUser = new ConcurrentHashMap<Long, String>();
    }

    public Download getDownload(long userId) {
        DownloadSession downloadSession = sessionsPerUser.get(userId);
        if (downloadSession != null) {
            return downloadSession.getDownloadType();
        } else {
            return null;
        }
    }

    public void removeSession(long userId) {
        sessionsPerUser.remove(userId);
        filesPerUser.remove(userId);
    }

    public DownloadSession getSession(Long userId) {
        return sessionsPerUser.get(userId);
    }

    public DownloadSession getSession(String filename) {
        Long userId = searchUserFromFile(filename);
        if (userId != null) {
            return sessionsPerUser.get(userId);
        }
        return null;
    }

    public void addSession(long userId, String fileName, long totalSize) {
        sessionsPerUser.put(userId, new DownloadSession(fileName, totalSize));
        filesPerUser.put(userId, fileName);
        LOGGER.debug("Session added: {} {}", userId, fileName);
    }

    private Long searchUserFromFile(String filename) {
        for (Map.Entry<Long, String> entry : filesPerUser.entrySet()) {
            if (filename.contains(entry.getValue())) {
                LOGGER.debug("Session found: {} {}", entry.getKey(), filename);
                return entry.getKey();
            }
        }
        LOGGER.warn("Session not found: {}", filename);
        return null;
    }

    public void abortSession(long userId) {
        // TODO
    }

}