/**
* Retrieve default controller class
*
* Determines whether the default controller to use lies within the
* requested module, or if the global default should be used.
*
* By default, will only use the module default unless that controller does
* not exist; if this is the case, it falls back to the default controller
* in the default module.
*
* @param \Zend\Controller\Request\AbstractRequest $request
* @return string
*/
public function getDefaultControllerClass(Request\AbstractRequest $request)
{
$controller = $this->getDefaultControllerName();
$default = $this->formatControllerName($controller);
$request->setControllerName($controller)->setActionName(null);
$module = $request->getModuleName();
$controllerDirs = $this->getControllerDirectory();
$this->_curModule = $this->_defaultModule;
$this->_curDirectory = $controllerDirs[$this->_defaultModule];
if ($this->isValidModule($module)) {
$found = false;
if (class_exists($default, false)) {
$found = true;
} else {
$moduleDir = $controllerDirs[$module];
$fileSpec = $moduleDir . DIRECTORY_SEPARATOR . $this->classToFilename($default);
if (\Zend\Loader::isReadable($fileSpec)) {
$found = true;
$this->_curDirectory = $moduleDir;
}
}
if ($found) {
$request->setModuleName($module);
$this->_curModule = $this->formatModuleName($module);
}
} else {
$request->setModuleName($this->_defaultModule);
}
return $default;
}
