    @Test
    public void testConvertSpecialCharacters() {

	String input = "http://www.emaple.com/ferd/lgg/";
	String output = annotationUtils.convertSpecialCharacters(input);
	LOG.info(input);
	LOG.info(output);
	assertEquals(output, "(\"http://www.emaple.com/ferd/lgg/\")");

	input = "trt:ttttt";
	output = annotationUtils.convertSpecialCharacters(input);
	LOG.info(input);
	LOG.info(output);

	assertEquals(output, "trt\\:ttttt");

	input = "http://www.emaple.com/ferd/lgg/ trt:ttttt";
	output = annotationUtils.convertSpecialCharacters(input);
	LOG.info(input);
	LOG.info(output);
	assertEquals(output, "(\"http://www.emaple.com/ferd/lgg/\") trt\\:ttttt");


	input = "https://omeka.dlcs-ida.org/s/ida/page/topics//virtual:person/ros+king";
	output = annotationUtils.convertSpecialCharacters(input);
	LOG.info(input);
	LOG.info(output);
    }