source/ch/cyberduck/core/openstack/SwiftTouchFeature.java

   1 package ch.cyberduck.core.openstack;
   2
   3 /*
   4  * Copyright (c) 2013 David Kocher. All rights reserved.
   5  * http://cyberduck.ch/
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * Bug fixes, suggestions and comments should be sent to:
  18  * feedback@cyberduck.ch
  19  */
  20
  21 import ch.cyberduck.core.DefaultIOExceptionMappingService;
  22 import ch.cyberduck.core.MappingMimeTypeService;
  23 import ch.cyberduck.core.MimeTypeService;
  24 import ch.cyberduck.core.Path;
  25 import ch.cyberduck.core.PathContainerService;
  26 import ch.cyberduck.core.exception.BackgroundException;
  27 import ch.cyberduck.core.features.Touch;
  28
  29 import java.io.ByteArrayInputStream;
  30 import java.io.IOException;
  31 import java.util.Collections;
  32
  33 /**
  34  * @version $Id$
  35  */
  36 public class SwiftTouchFeature implements Touch {
  37
  38     private SwiftSession session;
  39
  40     final PathContainerService containerService
  41             = new SwiftPathContainerService();
  42
  43     private MimeTypeService mapping
  44             = new MappingMimeTypeService();
  45
  46     public SwiftTouchFeature(final SwiftSession session) {
  47         this.session = session;
  48     }
  49
  50     @Override
  51     public void touch(final Path file) throws BackgroundException {
  52         try {
  53             session.getClient().storeObject(new SwiftRegionService(session).lookup(file),
  54                     containerService.getContainer(file).getName(),
  55                     new ByteArrayInputStream(new byte[]{}), mapping.getMime(file.getName()), containerService.getKey(file),
  56                     Collections.<String, String>emptyMap());
  57         }
  58         catch(IOException e) {
  59             throw new DefaultIOExceptionMappingService().map("Cannot create file {0}", e, file);
  60         }
  61     }
  62
  63     @Override
  64     public boolean isSupported(final Path workdir) {
  65         // Creating files is only possible inside a container.
  66         return !workdir.isRoot();
  67     }
  68 }