docs: public static boolean copyFileToDirectory(final File source, final File destinationDir,
  		final boolean lastModified)
  		throws FileIsNotADirectoryException, IOException, FileIsADirectoryException
  	{
  		if (null == destinationDir)
  		{
  			throw new IllegalArgumentException("Destination must not be null");
  		}
  
  		if (!destinationDir.isDirectory())
  		{
  			throw new FileIsNotADirectoryException("Destination File-object '"
  				+ destinationDir.getAbsolutePath() + "' is not a directory.");
  		}
  		final File destinationFile = new File(destinationDir, source.getName());
  
  		return copyFile(source, destinationFile, lastModified);
  	}