diff -r 5b37998e522e -r 162c1de6545a web/lib/Zend/Validate/Barcode.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/Validate/Barcode.php	Fri Mar 11 15:05:35 2011 +0100
@@ -0,0 +1,228 @@
+<?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_Validate
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: Barcode.php 22668 2010-07-25 14:50:46Z thomas $
+ */
+
+/**
+ * @see Zend_Validate_Abstract
+ */
+require_once 'Zend/Validate/Abstract.php';
+
+/**
+ * @see Zend_Loader
+ */
+require_once 'Zend/Loader.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Validate
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Validate_Barcode extends Zend_Validate_Abstract
+{
+    const INVALID        = 'barcodeInvalid';
+    const FAILED         = 'barcodeFailed';
+    const INVALID_CHARS  = 'barcodeInvalidChars';
+    const INVALID_LENGTH = 'barcodeInvalidLength';
+
+    protected $_messageTemplates = array(
+        self::FAILED         => "'%value%' failed checksum validation",
+        self::INVALID_CHARS  => "'%value%' contains invalid characters",
+        self::INVALID_LENGTH => "'%value%' should have a length of %length% characters",
+        self::INVALID        => "Invalid type given. String expected",
+    );
+
+    /**
+     * Additional variables available for validation failure messages
+     *
+     * @var array
+     */
+    protected $_messageVariables = array(
+        'length' => '_length'
+    );
+
+    /**
+     * Length for the set subtype
+     *
+     * @var integer
+     */
+    protected $_length;
+
+    /**
+     * Barcode adapter
+     *
+     * @var Zend_Validate_Barcode_BarcodeAdapter
+     */
+    protected $_adapter;
+
+    /**
+     * Generates the standard validator object
+     *
+     * @param  string|Zend_Config|
+     *         Zend_Validate_Barcode_BarcodeAdapter $adapter Barcode adapter to use
+     * @return void
+     * @throws Zend_Validate_Exception
+     */
+    public function __construct($adapter)
+    {
+        if ($adapter instanceof Zend_Config) {
+            $adapter = $adapter->toArray();
+        }
+
+        $options  = null;
+        $checksum = null;
+        if (is_array($adapter)) {
+            if (array_key_exists('options', $adapter)) {
+                $options = $adapter['options'];
+            }
+
+            if (array_key_exists('checksum', $adapter)) {
+                $checksum = $adapter['checksum'];
+            }
+
+            if (array_key_exists('adapter', $adapter)) {
+                $adapter = $adapter['adapter'];
+            } else {
+                require_once 'Zend/Validate/Exception.php';
+                throw new Zend_Validate_Exception("Missing option 'adapter'");
+            }
+        }
+
+        $this->setAdapter($adapter, $options);
+        if ($checksum !== null) {
+            $this->setChecksum($checksum);
+        }
+    }
+
+    /**
+     * Returns the set adapter
+     *
+     * @return Zend_Validate_Barcode_BarcodeAdapter
+     */
+    public function getAdapter()
+    {
+        return $this->_adapter;
+    }
+
+    /**
+     * Sets a new barcode adapter
+     *
+     * @param  string|Zend_Validate_Barcode $adapter Barcode adapter to use
+     * @param  array  $options Options for this adapter
+     * @return void
+     * @throws Zend_Validate_Exception
+     */
+    public function setAdapter($adapter, $options = null)
+    {
+        $adapter = ucfirst(strtolower($adapter));
+        require_once 'Zend/Loader.php';
+        if (Zend_Loader::isReadable('Zend/Validate/Barcode/' . $adapter. '.php')) {
+            $adapter = 'Zend_Validate_Barcode_' . $adapter;
+        }
+
+        if (!class_exists($adapter)) {
+            Zend_Loader::loadClass($adapter);
+        }
+
+        $this->_adapter = new $adapter($options);
+        if (!$this->_adapter instanceof Zend_Validate_Barcode_AdapterInterface) {
+            require_once 'Zend/Validate/Exception.php';
+            throw new Zend_Validate_Exception(
+                "Adapter " . $adapter . " does not implement Zend_Validate_Barcode_AdapterInterface"
+            );
+        }
+
+        return $this;
+    }
+
+    /**
+     * Returns the checksum option
+     *
+     * @return boolean
+     */
+    public function getChecksum()
+    {
+        return $this->getAdapter()->getCheck();
+    }
+
+    /**
+     * Sets the checksum option
+     *
+     * @param  boolean $checksum
+     * @return Zend_Validate_Barcode
+     */
+    public function setChecksum($checksum)
+    {
+        $this->getAdapter()->setCheck($checksum);
+        return $this;
+    }
+
+    /**
+     * Defined by Zend_Validate_Interface
+     *
+     * Returns true if and only if $value contains a valid barcode
+     *
+     * @param  string $value
+     * @return boolean
+     */
+    public function isValid($value)
+    {
+        if (!is_string($value)) {
+            $this->_error(self::INVALID);
+            return false;
+        }
+
+        $this->_setValue($value);
+        $adapter       = $this->getAdapter();
+        $this->_length = $adapter->getLength();
+        $result        = $adapter->checkLength($value);
+        if (!$result) {
+            if (is_array($this->_length)) {
+                $temp = $this->_length;
+                $this->_length = "";
+                foreach($temp as $length) {
+                    $this->_length .= "/";
+                    $this->_length .= $length;
+                }
+
+                $this->_length = substr($this->_length, 1);
+            }
+
+            $this->_error(self::INVALID_LENGTH);
+            return false;
+        }
+
+        $result = $adapter->checkChars($value);
+        if (!$result) {
+            $this->_error(self::INVALID_CHARS);
+            return false;
+        }
+
+        if ($this->getChecksum()) {
+            $result = $adapter->checksum($value);
+            if (!$result) {
+                $this->_error(self::FAILED);
+                return false;
+            }
+        }
+
+        return true;
+    }
+}
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