public TermsFilterBuilder(Analyzer analyzer) 
{
		this.analyzer = analyzer;
}

Parameters:

analyzer -

 public Filter getFilter(Element e) throws ParserException 
{
		TermsFilter tf = new TermsFilter();
		String text = DOMUtils.getNonBlankTextOrFail(e);
		String fieldName = DOMUtils.getAttributeWithInheritanceOrFail(e, "fieldName");
		TokenStream ts = analyzer.tokenStream(fieldName, new StringReader(text));
    TermAttribute termAtt = ts.addAttribute(TermAttribute.class);
		try
		{
			Term term = null;
	      while (ts.incrementToken()) {
				if (term == null)
				{
					term = new Term(fieldName, termAtt.term());
				} else
				{
//					 create from previous to save fieldName.intern overhead
					term = term.createTerm(termAtt.term()); 
				}
				tf.addTerm(term);
			}
		} 
		catch (IOException ioe)
		{
			throw new RuntimeException("Error constructing terms from index:"
					+ ioe);
		}
		return tf;
}