public String getRSSHeaders() {
        StringBuilder output = new StringBuilder();
        output.append("<?xml version=\"1.0\" encoding=\"utf-8\">");
        output.append("<rss version=\"2.0\">");
        output.append("  <channel>");
        output.append("     <title>Tika in Action: Recent Files Feed.</title>");
        output.append("     <description>Chapter 6 Examples demonstrating " + "use of Tika Metadata for RSS.</description>");
        output.append("     <link>tikainaction.rss</link>");
        output.append("     <lastBuildDate>");
        output.append(rssDateFormat.format(new Date()));
        output.append("</lastBuildDate>");
        output.append("     <generator>Manning Publications: Tika in Action</generator>");
        output.append("     <copyright>All Rights Reserved</copyright>");
        return output.toString();
    }
Builds on top of the LuceneIndexer and the Metadata discussions in Chapter 6
to output an RSS (or RDF) feed of files crawled by the LuceneIndexer within
the last N minutes.
tika-example/src/main/java/org/apache/tika/example/RecentFiles.java