001/*
002 * #%L
003 * Netarchivesuite - archive
004 * %%
005 * Copyright (C) 2005 - 2014 The Royal Danish Library, the Danish State and University Library,
006 *             the National Library of France and the Austrian National Library.
007 * %%
008 * This program is free software: you can redistribute it and/or modify
009 * it under the terms of the GNU Lesser General Public License as
010 * published by the Free Software Foundation, either version 2.1 of the
011 * License, or (at your option) any later version.
012 * 
013 * This program is distributed in the hope that it will be useful,
014 * but WITHOUT ANY WARRANTY; without even the implied warranty of
015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
016 * GNU General Lesser Public License for more details.
017 * 
018 * You should have received a copy of the GNU General Lesser Public
019 * License along with this program.  If not, see
020 * <http://www.gnu.org/licenses/lgpl-2.1.html>.
021 * #L%
022 */
023package dk.netarkivet.archive.webinterface;
024
025import org.slf4j.Logger;
026import org.slf4j.LoggerFactory;
027
028import dk.netarkivet.archive.arcrepository.bitpreservation.ActiveBitPreservation;
029import dk.netarkivet.archive.arcrepository.bitpreservation.ActiveBitPreservationFactory;
030import dk.netarkivet.common.distribute.arcrepository.Replica;
031import dk.netarkivet.common.exceptions.ArgumentNotValid;
032import dk.netarkivet.common.exceptions.UnknownID;
033
034/**
035 * Class for threading a bitpreservation update into a thread.
036 */
037public class BitpreservationUpdateThread extends Thread {
038
039    /** The log. */
040    //private Log log = LogFactory.getLog(BitpreservationUpdateThread.class.getName());
041    protected static final Logger log = LoggerFactory.getLogger(BitpreservationUpdateThread.class);
042
043    /** The ActiveBitPreservation class. */
044    private final ActiveBitPreservation preserve;
045
046    /** The type of update requested. */
047    private final BitpreservationUpdateType type;
048
049    /** The replica to work on. */
050    private final Replica theReplica;
051
052    /**
053     * Constructor for the BitpreservationUpdateThread.
054     *
055     * @param replica The given replica to work on.
056     * @param updateType The type of update requested.
057     * @throws ArgumentNotValid If either the Replica or the BitpreservationUpdateType is null.
058     */
059    public BitpreservationUpdateThread(Replica replica, BitpreservationUpdateType updateType) throws ArgumentNotValid {
060        ArgumentNotValid.checkNotNull(replica, "Replica replica");
061        ArgumentNotValid.checkNotNull(updateType, "BitpreservationUpdateType " + "updateType");
062        preserve = ActiveBitPreservationFactory.getInstance();
063        type = updateType;
064        theReplica = replica;
065    }
066
067    /** Starts the updatethread thread. */
068    public void run() {
069        try {
070            if (type.equals(BitpreservationUpdateType.CHECKSUM)) {
071                preserve.findChangedFiles(theReplica);
072            } else if (type.equals(BitpreservationUpdateType.FINDMISSING)) {
073                preserve.findMissingFiles(theReplica);
074            } else {
075                throw new UnknownID("Can't handle type '" + type + "' yet");
076            }
077        } catch (Exception ex) {
078            log.warn("Update of Activebitpreservation information failed", ex);
079        }
080    }
081}