transformer1.setName("instance1");
        transformer2.setName("instance2");
        transformer3.setName("instance3");

        assertEquals("instance1", transformer1.getName());
        assertEquals("instance2", transformer2.getName());
        assertEquals("instance3", transformer3.getName());

        // Change one instance's name
        transformer2.setName("changed2");

            final ResponseData responseData = ftpClient.doHead("ftp://localhost:" + FTP_PORT + "/text1.txt");
            assertNotNull(responseData.getLastModified());
            assertTrue(responseData.getLastModified().getTime() < new Date().getTime());
            assertNull(responseData.getResponseBody());
        } finally {
            if (server != null) {
                server.stop();
            }
        }
    }

                            responseData.setMimeType(mimeTypeHelper.getContentType(is, file.getName()));
                        } catch (final Exception e) {
                            responseData.setMimeType(mimeTypeHelper.getContentType(null, file.getName()));
                        }
                    } else {
                        if (logger.isDebugEnabled()) {

    }

    /**
     * Test getName implementation
     */
    public void test_getName() {
        assertEquals("testTransformer", testTransformer.getName());

        // Test with null name
        TestTransformer nullNameTransformer = new TestTransformer();
        assertNull(nullNameTransformer.getName());

        // Test with empty name

    public Object getData(final AccessResultData<?> accessResultData) {
        // check transformer name
        if (!getName().equals(accessResultData.getTransformerName())) {
            throw new CrawlerSystemException(
                    "Transformer is invalid. Use " + accessResultData.getTransformerName() + ". This transformer is " + getName() + ".");
        }
        final byte[] data = accessResultData.getData();
        if (data == null) {

                throw new ChildUrlsException(requestDataSet, this.getClass().getName() + "#getResponseData");
            }

            final FTPFile[] files = client.listFiles(null, FTPFileFilters.NON_NULL);
            validateRequest(client);
            for (final FTPFile f : files) {
                if (ftpInfo.getName().equals(f.getName())) {
                    file = f;
                    break;
                }

     */
    Object getData(AccessResultData<?> accessResultData);

    /**
     * Retrieves the name associated with this transformer.
     *
     * @return the name of the transformer
     */
    String getName();

                    throw new MaxLengthExceededException("Extracted size is " + contentSize + " > " + maxContentSize);
                }
                final String filename = entry.getName();
                final String mimeType = mimeTypeHelper.getContentType(null, filename);
                if (mimeType != null) {
                    final Extractor extractor = extractorFactory.getExtractor(mimeType);

                    throw new MaxLengthExceededException("Extracted size is " + contentSize + " > " + maxContentSize);
                }
                final String filename = entry.getName();
                final String mimeType = mimeTypeHelper.getContentType(null, filename);
                if (mimeType != null) {
                    final Extractor extractor = extractorFactory.getExtractor(mimeType);

        fileTransformer.baseDir.mkdirs();
        fileTransformer.baseDir.deleteOnExit();
    }

    public void test_name() {
        assertEquals("fileTransformer", fileTransformer.getName());
    }

    public void test_getFilePath() {
        String url;

        url = "http://www.example.com/";
        assertEquals("http_CLN_/www.example.com/index.html", fileTransformer.getFilePath(url));