--- /dev/null
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category Zend
+ * @package Zend_Search_Lucene
+ * @subpackage Analysis
+ * @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ * @version $Id: ShortWords.php 16971 2009-07-22 18:05:45Z mikaelkael $
+ */
+
+
+/** Zend_Search_Lucene_Analysis_TokenFilter */
+require_once 'Zend/Search/Lucene/Analysis/TokenFilter.php';
+
+
+/**
+ * Token filter that removes short words. What is short word can be configured with constructor.
+ *
+ * @category Zend
+ * @package Zend_Search_Lucene
+ * @subpackage Analysis
+ * @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+class Zend_Search_Lucene_Analysis_TokenFilter_ShortWords extends Zend_Search_Lucene_Analysis_TokenFilter
+{
+ /**
+ * Minimum allowed term length
+ * @var integer
+ */
+ private $length;
+
+ /**
+ * Constructs new instance of this filter.
+ *
+ * @param integer $short minimum allowed length of term which passes this filter (default 2)
+ */
+ public function __construct($length = 2) {
+ $this->length = $length;
+ }
+
+ /**
+ * Normalize Token or remove it (if null is returned)
+ *
+ * @param Zend_Search_Lucene_Analysis_Token $srcToken
+ * @return Zend_Search_Lucene_Analysis_Token
+ */
+ public function normalize(Zend_Search_Lucene_Analysis_Token $srcToken) {
+ if (strlen($srcToken->getTermText()) < $this->length) {
+ return null;
+ } else {
+ return $srcToken;
+ }
+ }
+}
+