/*
* This is eMonocot, a global online biodiversity information resource.
*
* Copyright © 2011–2015 The Board of Trustees of the Royal Botanic Gardens, Kew and The University of Oxford
*
* eMonocot is free software: you can redistribute it and/or modify it under the terms of the
* GNU Affero General Public License as published by the Free Software Foundation, either version 3
* of the License, or (at your option) any later version.
*
* eMonocot 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 Affero General Public License for more details.
*
* The complete text of the GNU Affero General Public License is in the source repository as the file
* ‘COPYING’. It is also available from <http://www.gnu.org/licenses/>.
*/
package org.emonocot.job.dwc.image;
import java.io.File;
import java.util.List;
import org.emonocot.model.Image;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.batch.item.ItemWriter;
/**
* @author jk00kg
*
*/
public class ImageFileDeletingWriter implements ItemWriter<Image> {
private Logger logger = LoggerFactory.getLogger(ImageFileDeletingWriter.class);
/**
*
*/
private String imageDirectory;
/**
* @param imageDirectory the imageDirectory to set
*/
public void setImageDirectory(String imageDirectory) {
this.imageDirectory = imageDirectory;
}
/* (non-Javadoc)
* @see org.springframework.batch.item.ItemWriter#write(java.util.List)
*/
@Override
public void write(List<? extends Image> items) throws Exception {
for(Image i : items) {
File file = new File(imageDirectory + File.separator + i.getId() + "." + i.getFormat());
if(!file.exists()){
logger.warn("Tried to delete non-existent file " + file.getCanonicalPath()
+ " for image " + i);
} else {
try{
file.delete(); //Don't worry about successfulness
} catch (SecurityException e) {
logger.error("The file " + file + " could be deleted.");
throw e;
}
}
file = new File(imageDirectory + File.separator + "thumbnails" + File.separator + i.getId() + "." + i.getFormat());
if(!file.exists()){
logger.warn("Tried to delete non-existent file " + file.getCanonicalPath()
+ " for image " + i);
} else {
try{
file.delete(); //Don't worry about successfulness
} catch (SecurityException e) {
logger.error("The file " + file + " cannot be deleted.");
throw e;
}
}
}
}
}