if (journalTitle != null)
record.addValue("journalTitle", new StringValue(journalTitle));
String volumeTitle = XMLUtils.getElementValue(dataRoot, "volume_title");
if (volumeTitle != null)
record.addValue("volumeTitle", new StringValue(volumeTitle));
String articleTitle = XMLUtils.getElementValue(dataRoot,
"article_title");
if (articleTitle != null)
record.addValue("articleTitle", new StringValue(articleTitle));