LinkRenameTask.java

/**
 * This file is part of Waarp Project.
 * 
 * Copyright 2009, Frederic Bregier, and individual contributors by the @author tags. See the
 * COPYRIGHT.txt in the distribution for a full listing of individual contributors.
 * 
 * All Waarp Project 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.
 * 
 * Waarp 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 Waarp . If not, see
 * <http://www.gnu.org/licenses/>.
 */
package org.waarp.openr66.context.task;

import java.io.File;

import org.waarp.common.logging.WaarpLogger;
import org.waarp.common.logging.WaarpLoggerFactory;
import org.waarp.openr66.context.R66Session;
import org.waarp.openr66.protocol.exception.OpenR66ProtocolSystemException;
import org.waarp.openr66.protocol.utils.FileUtils;

/**
 * Create a link of the current file and make the file pointing to it.
 * 
 * The link first tries to be a hard link, then a soft link, and if really not possible (not
 * supported by the filesystem), it does a copy and rename task.
 * 
 * @author Frederic Bregier
 * 
 */
public class LinkRenameTask extends AbstractTask {
    /**
     * Internal Logger
     */
    private static final WaarpLogger logger = WaarpLoggerFactory
            .getLogger(LinkRenameTask.class);

    /**
     * @param argRule
     * @param delay
     * @param argTransfer
     * @param session
     */
    public LinkRenameTask(String argRule, int delay, String argTransfer,
            R66Session session) {
        super(TaskType.LINKRENAME, delay, argRule, argTransfer, session);
    }

    @Override
    public void run() {
        String finalname = argRule;
        finalname = getReplacedValue(finalname, argTransfer.split(" "));
        logger.info("Move and Rename to " + finalname + " with " + argRule +
                ":" + argTransfer + " and {}", session);
        // First try hard link
        // FIXME wait for NIO.2 in JDK7 to have such functions, in the meantime only move...
        File from = session.getFile().getTrueFile();
        File to = new File(finalname);
        try {
            FileUtils.copy(from, to, false, false);
        } catch (OpenR66ProtocolSystemException e1) {
            logger.error("Copy and Rename to " + finalname + " with " +
                    argRule + ":" + argTransfer + " and " + session, e1);
            futureCompletion.setFailure(new OpenR66ProtocolSystemException(e1));
            return;
        }
        session.getRunner().setFileMoved(finalname, true);
        futureCompletion.setSuccess();
    }

}