private final StringBuilder builder = new StringBuilder();
        StringBuilder asBuilder() {
            return builder
        }

        String getText() {
            return builder.toString()
        }

        void setText(String value) {
            builder.replace(0, builder.length(), value)
        }
    }

                @Internal
                String getText() {
                    text.get()
                }

                void setText(Provider<String> text) {
                    this.text = text
                }

                @TaskAction
                void printText() {
                    println getText()
                }
            }
        """

        when:

    public void prepend(String text) {
        String original = getText();
        setText(text + original);
    }

    /**
     * Inserts the given text on a new line before the given text
     */
    public void insertBefore(String text, String newText) {
        String original = getText();
        int pos = original.indexOf(text);
        if (pos < 0) {

        } else if (isJarFile(file)) {
            writeZipped(tmpFile, cl)
        } else {
            writeContents(tmpFile, cl)
            // normalize line endings
            tmpFile.setText(TextUtil.normaliseLineSeparators(tmpFile.getText("utf-8")), "utf-8")
        }

        def hashAfter = Hashing.sha1().hashFile(tmpFile)
        if (hashAfter == hashBefore) {
            // Already published
            return
        }

        ExtractData extractData = jodExtractor.getText(in, null);
        String content = extractData.getContent();
        CloseableUtil.closeQuietly(in);
        logger.info(content);
        assertTrue(content.contains("テスト"));
    }

    public void test_getText_null() {
        try {
            jodExtractor.getText(null, null);
            fail();
        } catch (CrawlerSystemException e) {

        final String content = xmlExtractor.getText(in, null).getContent();
        CloseableUtil.closeQuietly(in);
        logger.info(content);
        assertTrue(content.contains("テスト"));
    }

    public void test_getXml_entity() {
        final InputStream in = ResourceUtil.getResourceAsStream("extractor/test_entity.xml");
        final String content = xmlExtractor.getText(in, null).getContent();

                    case "iss":
                        attributes.put("iss", jsonParser.getText());
                        break;
                    case "sub":
                        attributes.put("sub", jsonParser.getText());
                        break;
                    case "azp":
                        attributes.put("azp", jsonParser.getText());
                        break;
                    case "email":

        try {
            tikaExtractor.getText(in, null);
            fail();
        } catch (final ExtractException e) {
            logger.info(e.getMessage());
        }
    }

    public void test_getTika_tar() {
        final InputStream in = ResourceUtil.getResourceAsStream("extractor/tar/test.tar");
        final ExtractData extractData = tikaExtractor.getText(in, null);

            return false;
        }

        Span rhs = (Span) obj;
        return Objects.equal(getStyle(), rhs.getStyle())
            && Objects.equal(getText(), rhs.getText());
    }

    @Override
    public int hashCode() {
        return Objects.hashCode(getStyle(), getText());
    }

 */
public class MsPowerPointExtractor extends AbstractExtractor {

    /*
     * (non-Javadoc)
     *
     * @see org.codelibs.fess.crawler.extractor.Extractor#getText(java.io.InputStream,
     * java.util.Map)
     */
    @Override
    public ExtractData getText(final InputStream in, final Map<String, String> params) {
        if (in == null) {
            throw new CrawlerSystemException("The inputstream is null.");
        }