How to use

isFileSystemResource

method

in

net.anwiba.commons.reference.ResourceReferenceUtilities

@Override
public boolean isFileSystemResource(final IResourceReference resourceReference) {
 return ResourceReferenceUtilities.isFileSystemResource(resourceReference);
}

@Override
public boolean isFileSystemResource(final IResourceReference resourceReference) {
 return ResourceReferenceUtilities.isFileSystemResource(resourceReference);
}

private boolean isAccepted(final ImageFileFilter fileFilter, final IResourceReference imageFile) {
 try {
  if (ResourceReferenceUtilities.isFileSystemResource(imageFile)) {
   final File file = ResourceReferenceUtilities.getFile(imageFile);
   return file != null && file.isFile() && fileFilter.accept(file);
  }
  return imageFile != null;
 } catch (final URISyntaxException exception) {
  return false;
 }
}

 @Override
 public IResourceReference restore(final IResourceReference resourceReference) throws IOException {
  try {
   if (!ResourceReferenceUtilities.isFileSystemResource(resourceReference)) {
    throw new IOException("Unsupported resource"); //$NON-NLS-1$
   }
   final File file = ResourceReferenceUtilities.getFile(resourceReference);
   final File backup = new File(file.getPath() + "~"); //$NON-NLS-1$
   if (backup.exists()) {
    Files.copy(backup.toPath(), file.toPath(), StandardCopyOption.REPLACE_EXISTING, StandardCopyOption.ATOMIC_MOVE);
    if (!file.exists()) {
     throw new IOException("Coudn't restore file " + file); //$NON-NLS-1$
    }
    return new ResourceReferenceFactory().create(backup);
   }
   return null;
  } catch (final URISyntaxException exception) {
   throw new IOException(exception.getLocalizedMessage(), exception);
  }
 }
}

 @Override
 public IResourceReference restore(final IResourceReference resourceReference) throws IOException {
  try {
   if (!ResourceReferenceUtilities.isFileSystemResource(resourceReference)) {
    throw new IOException("Unsupported resource"); //$NON-NLS-1$
   }
   final File file = ResourceReferenceUtilities.getFile(resourceReference);
   final File backup = new File(file.getPath() + "~"); //$NON-NLS-1$
   if (backup.exists()) {
    Files.copy(backup.toPath(), file.toPath(), StandardCopyOption.REPLACE_EXISTING, StandardCopyOption.ATOMIC_MOVE);
    if (!file.exists()) {
     throw new IOException("Coudn't restore file " + file); //$NON-NLS-1$
    }
    return new ResourceReferenceFactory().create(backup);
   }
   return null;
  } catch (final URISyntaxException exception) {
   throw new IOException(exception.getLocalizedMessage(), exception);
  }
 }
}