final String content = extractData.getContent();
        CloseableUtil.closeQuietly(in);
        logger.info(content);
        assertTrue(content.contains("テスト"));
        for (final String key : extractData.getKeySet()) {
            logger.info("{}={}", key, String.join("|", extractData.getValues(key)));
        }
        assertEquals("4", extractData.getValues("cp:revision")[0]);

        metadata.put(key, new String[] { value });
    }

    public String[] getValues(final String key) {
        return metadata.get(key);
    }

    public Set<String> getKeySet() {
        return metadata.keySet();
    }

    public String getContent() {
        return content;
    }

    public void setContent(final String content) {
        this.content = content;
    }

            }
            if (getLogger().isDebugEnabled()) {
                getLogger().debug("ExtractData: {}", extractData);
            }
            // meta
            extractData.getKeySet().stream().filter(k -> extractData.getValues(k) != null).forEach(key -> {
                final String[] values = extractData.getValues(key);
                metaDataMap.put(key, values);

                // meta -> content