de.uzk.hki.da.cb.DeleteObjectAction.java Source code

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Here is the source code for de.uzk.hki.da.cb.DeleteObjectAction.java

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/*
  DA-NRW Software Suite | ContentBroker
  Copyright (C) 2013 Historisch-Kulturwissenschaftliche Informationsverarbeitung
  Universitt zu Kln
    
  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 de.uzk.hki.da.cb;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;

import org.apache.commons.io.FileUtils;
import org.apache.commons.lang.NotImplementedException;

import de.uzk.hki.da.action.AbstractAction;
import de.uzk.hki.da.core.ConfigurationException;
import de.uzk.hki.da.core.Path;
import de.uzk.hki.da.core.UserException;

/**
 * For a given object 
 * <li>deletes the object folder from the UserArea
 * <li>deletes any existing packages belonging to the Object from the IngestArea
 * @author Daniel M. de Oliveira
 */
public class DeleteObjectAction extends AbstractAction {

    @Override
    public void checkActionSpecificConfiguration() throws ConfigurationException {
        // Auto-generated method stub
    }

    @Override
    public void checkSystemStatePreconditions() throws IllegalStateException {
        // Auto-generated method stub
    }

    @Override
    public boolean implementation() throws FileNotFoundException, IOException, UserException {

        if (object.getPackages().size() == 1) {
            logger.info("Deleting object from database");
            DELETEOBJECT = true;
        } else if (object.getPackages().size() > 1) {
            object.getPackages().remove(object.getLatestPackage());
        }

        logger.info("Deleting object from WorkArea: " + object.getPath());
        FileUtils.deleteDirectory(object.getPath().toFile());

        File fileInWorkArea = Path.makeFile(object.getTransientNodeRef().getWorkAreaRootPath(), "work",
                object.getContractor().getShort_name(), object.getLatestPackage().getContainerName());
        if (fileInWorkArea.exists()) {
            logger.info("Delete latest package from WorkArea: " + fileInWorkArea);
            fileInWorkArea.delete();
        }

        File fileInIngestArea = Path.makeFile(object.getTransientNodeRef().getIngestAreaRootPath(),
                object.getContractor().getShort_name(), object.getLatestPackage().getContainerName());
        if (fileInIngestArea.exists()) {
            logger.info("Delete latest package from WorkArea: " + fileInIngestArea);
            fileInIngestArea.delete();
        }

        return true;
    }

    @Override
    public void rollback() throws Exception {
        throw new NotImplementedException("No rollback implemented for this action");
    }

}