diff --git a/controllers/class.ClearCache.php b/controllers/class.ClearCache.php
new file mode 100644
index 000000000..770abcdea
--- /dev/null
+++ b/controllers/class.ClearCache.php
@@ -0,0 +1,51 @@
+<?php
+/**
+ * Implementation of ClearCache controller
+ *
+ * @category   DMS
+ * @package    SeedDMS
+ * @license    GPL 2
+ * @version    @version@
+ * @author     Uwe Steinmann <uwe@steinmann.cx>
+ * @copyright  Copyright (C) 2010-2013 Uwe Steinmann
+ * @version    Release: @package_version@
+ */
+
+/**
+ * Class which does the busines logic for clearing the cache
+ *
+ * @category   DMS
+ * @package    SeedDMS
+ * @author     Uwe Steinmann <uwe@steinmann.cx>
+ * @copyright  Copyright (C) 2010-2013 Uwe Steinmann
+ * @version    Release: @package_version@
+ */
+class SeedDMS_Controller_ClearCache extends SeedDMS_Controller_Common {
+
+	public function run() {
+		$dms = $this->params['dms'];
+		$user = $this->params['user'];
+		$settings = $this->params['settings'];
+		$post = $this->params['post'];
+
+		$ret = '';
+		if(!empty($post['preview'])) {
+			$cmd = 'rm -rf '.$settings->_cacheDir.'/[1-9]*';
+			system($cmd, $ret);
+		}
+
+		if(!empty($post['js'])) {
+			$cmd = 'rm -rf '.$settings->_cacheDir.'/js/*';
+			system($cmd, $ret);
+		}
+
+		if(false === $this->callHook('clear', $post)) {
+			if(empty($this->errormsg))
+				$this->errormsg = 'hook_clear_failed';
+			return false;
+		}
+
+		return true;
+	}
+}
+
diff --git a/op/op.ClearCache.php b/op/op.ClearCache.php
index 921bb713f..77dfcb2ed 100644
--- a/op/op.ClearCache.php
+++ b/op/op.ClearCache.php
@@ -24,8 +24,12 @@ include("../inc/inc.Init.php");
 include("../inc/inc.Extension.php");
 include("../inc/inc.DBInit.php");
 include("../inc/inc.ClassUI.php");
+include("../inc/inc.ClassController.php");
 include("../inc/inc.Authentication.php");
 
+$tmp = explode('.', basename($_SERVER['SCRIPT_FILENAME']));
+$controller = Controller::factory($tmp[1], array('dms'=>$dms, 'user'=>$user));
+
 /* Check if the form data comes from a trusted request */
 if(!checkFormKey('clearcache')) {
 	UI::exitError(getMLText("admin_tools"),getMLText("invalid_request_token"));
@@ -38,19 +42,8 @@ if(!is_dir($settings->_cacheDir)) {
 	UI::exitError(getMLText("admin_tools"),getMLText("error_cleared_cache"));
 }
 
-if(!empty($_POST['preview'])) {
-	$cmd = 'rm -rf '.$settings->_cacheDir.'/[1-9]*';
-	$ret = null;
-	system($cmd, $ret);
-}
-
-if(!empty($_POST['js'])) {
-	$cmd = 'rm -rf '.$settings->_cacheDir.'/js/*';
-	$ret = null;
-	system($cmd, $ret);
-}
-
-if($ret)
+$controller->setParam('post', $_POST);
+if(!$controller->run())
 	$session->setSplashMsg(array('type'=>'error', 'msg'=>getMLText('error_cleared_cache')));
 else
 	$session->setSplashMsg(array('type'=>'success', 'msg'=>getMLText('splash_cleared_cache')));
diff --git a/views/bootstrap/class.ClearCache.php b/views/bootstrap/class.ClearCache.php
index 1d562d507..c925c04a9 100644
--- a/views/bootstrap/class.ClearCache.php
+++ b/views/bootstrap/class.ClearCache.php
@@ -54,6 +54,13 @@ class SeedDMS_View_ClearCache extends SeedDMS_Bootstrap_Style {
 </p>
 <p>
 <input type="checkbox" name="js" value="1" checked> <?php printMLText('temp_jscode'); ?>
+<?php
+		$addcache = array();
+		if($addcache =  $this->callHook('additionalCache', $addcache)) {
+			foreach($addcache as $c)
+				echo "<p><input type=\"checkbox\" name=\"".$c[0]."\" value=\"1\" checked> ".$c[1]."</p>";
+		}
+?>
 <p><button type="submit" class="btn"><i class="icon-remove"></i> <?php printMLText("clear_cache");?></button></p>
 </form>
 <?php