GAETempFileService.java

/*
 * Copyright (C) 2005-2017 ManyDesigns srl.  All rights reserved.
 * http://www.manydesigns.com/
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 3 of
 * the License, or (at your option) any later version.
 *
 * This software 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package com.manydesigns.portofino.files;

//import com.google.appengine.api.blobstore.BlobKey;
//import com.google.appengine.api.blobstore.BlobstoreService;
//import com.google.appengine.api.blobstore.BlobstoreServiceFactory;
//import com.google.appengine.api.files.*;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
* @author Paolo Predonzani     - paolo.predonzani@manydesigns.com
* @author Angelo Lupo          - angelo.lupo@manydesigns.com
* @author Giampiero Granatella - giampiero.granatella@manydesigns.com
* @author Alessio Stalla       - alessio.stalla@manydesigns.com
*/
public class GAETempFileService { //extends TempFileService {

    public static final Logger logger = LoggerFactory.getLogger(GAETempFileService.class);

//    @Override
//    public TempFile newTempFile(String mimeType, String name) throws IOException {
//        return new GAETempFile(mimeType, name);
//    }
//
//    public static class GAETempFile extends TempFile {
//
//        protected AppEngineFile file;
//        protected FileWriteChannel writeChannel;
//        protected FileReadChannel readChannel;
//        protected OutputStream outputStream;
//        protected InputStream inputStream;
//
//        public GAETempFile(String mimeType, String name) throws IOException {
//            super(mimeType, name);
//            FileService fileService = FileServiceFactory.getFileService();
//            file = fileService.createNewBlobFile(mimeType, name);
//        }
//
//        @Override
//        public OutputStream getOutputStream() throws IOException {
//            if(outputStream == null) {
//                FileService fileService = FileServiceFactory.getFileService();
//                writeChannel = fileService.openWriteChannel(file, true);
//                outputStream = Channels.newOutputStream(writeChannel);
//            }
//            return outputStream;
//        }
//
//        @Override
//        public InputStream getInputStream() throws IOException {
//            if(outputStream == null) {
//                throw new IOException("The file has no associated OutputStream");
//            }
//            if(inputStream == null) {
//                FileService fileService = FileServiceFactory.getFileService();
//                writeChannel.closeFinally();
//                readChannel = fileService.openReadChannel(file, false);
//                inputStream = Channels.newInputStream(readChannel);
//            }
//            return inputStream;
//        }
//
//        @Override
//        public void dispose() {
//            FileService fileService = FileServiceFactory.getFileService();
//            IOUtils.closeQuietly(outputStream);
//            IOUtils.closeQuietly(inputStream);
//            try {
//                if(readChannel != null) {
//                    readChannel.close();
//                }
//                //fileService.delete(file); non funziona (UnsupportedOperationException)
//                BlobKey blobKey = fileService.getBlobKey(file);
//                BlobstoreService blobstoreService = BlobstoreServiceFactory.getBlobstoreService();
//                blobstoreService.delete(blobKey);
//            } catch (Exception e) {
//                logger.warn("Could not delete temporary file " + file.getFullPath(), e);
//            }
//        }
//    }
}