org.mycore.services.packaging.MCRPackerManager Maven / Gradle / Ivy
/*
* This file is part of *** M y C o R e ***
* See http://www.mycore.de/ for details.
*
* MyCoRe 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.
*
* MyCoRe 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 MyCoRe. If not, see .
*/
package org.mycore.services.packaging;
import java.util.Map;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.mycore.access.MCRAccessException;
import org.mycore.common.MCRException;
import org.mycore.common.MCRUsageException;
import org.mycore.common.config.MCRConfiguration2;
import org.mycore.services.queuedjob.MCRJob;
import org.mycore.services.queuedjob.MCRJobQueue;
/**
* Used to pack packages in a specific format, using {@link MCRJobQueue}.
* You have to define a packer id and assign a packer class which extends {@link MCRPacker}.
*
* MCR.Packaging.Packer.MyPackerID.Class = org.mycore.packaging.MyPackerClass
*
*
*
You now have to pass properties required by the packer:
*
* MCR.Packaging.Packer.MyPackerID.somePropertyForPacker = value
*
*
*
* @author Sebastian Hofmann (mcrshofm)
*/
public class MCRPackerManager {
private static final Logger LOGGER = LogManager.getLogger();
private static final MCRJobQueue PACKER_JOB_QUEUE = initializeJobQueue();
private static MCRJobQueue initializeJobQueue() {
LOGGER.info("Initializing jobQueue for Packaging!");
return MCRJobQueue.getInstance(MCRPackerJobAction.class);
}
/**
* Creates and starts a new PackagingJob.
*
The rights you need to start a Packer depends on the implementation!
* @param jobParameters the parameters which will be passed to the job. (Should include a packer)
* @return the created MCRJob
* @throws MCRUsageException if invalid parameters are passed to the packer
* @throws MCRAccessException if the current user doesn't have the rights to use the packer(on a specific object).
*/
public static MCRJob startPacking(Map jobParameters) throws MCRUsageException, MCRAccessException {
String packer = jobParameters.get("packer");
if (packer == null) {
LOGGER.error("No Packer parameter found!");
return null;
}
checkPacker(packer, jobParameters);
MCRJob mcrJob = new MCRJob(MCRPackerJobAction.class);
mcrJob.setParameters(jobParameters);
if (!PACKER_JOB_QUEUE.offer(mcrJob)) {
throw new MCRException("Could not add Job to Queue!");
}
return mcrJob;
}
private static void checkPacker(String packer, Map jobParameters)
throws MCRUsageException, MCRAccessException {
MCRPacker instance = MCRConfiguration2
.getOrThrow("MCR.Packaging.Packer." + packer + ".Class", MCRConfiguration2::instantiateClass);
instance.setParameter(jobParameters);
instance.setConfiguration(MCRPackerJobAction.getConfiguration(packer));
instance.checkSetup();
}
}