map = array();
$this->defaultRenderer = new LoggerDefaultRenderer();
}
/**
* Add a renderer to a hierarchy passed as parameter.
* Note that hierarchy must implement getRendererMap() and setRenderer() methods.
*
* @param LoggerHierarchy $repository a logger repository.
* @param string $renderedClassName
* @param string $renderingClassName
* @static
*/
public static function addRenderer($repository, $renderedClassName, $renderingClassName)
{
LoggerLog::debug("LoggerRendererMap::addRenderer() Rendering class: [{$renderingClassName}], Rendered class: [{$renderedClassName}].");
$renderer = LoggerObjectRenderer::factory($renderingClassName);
if($renderer == null) {
LoggerLog::warn("LoggerRendererMap::addRenderer() Could not instantiate renderer [{$renderingClassName}].");
return;
} else {
$repository->setRenderer($renderedClassName, $renderer);
}
}
/**
* Find the appropriate renderer for the class type of the
* o parameter.
*
* This is accomplished by calling the {@link getByObject()}
* method if o is object or using {@link LoggerDefaultRenderer}.
* Once a renderer is found, it is applied on the object o and
* the result is returned as a string.
*
* @param mixed $o
* @return string
*/
public function findAndRender($o)
{
if($o == null) {
return null;
} else {
if (is_object($o)) {
$renderer = $this->getByObject($o);
if ($renderer !== null) {
return $renderer->doRender($o);
} else {
return null;
}
} else {
$renderer = $this->defaultRenderer;
return $renderer->doRender($o);
}
}
}
/**
* Syntactic sugar method that calls {@link PHP_MANUAL#get_class} with the
* class of the object parameter.
*
* @param mixed $o
* @return string
*/
public function getByObject($o)
{
return ($o == null) ? null : $this->getByClassName(get_class($o));
}
/**
* Search the parents of clazz for a renderer.
*
* The renderer closest in the hierarchy will be returned. If no
* renderers could be found, then the default renderer is returned.
*
* @param string $class
* @return LoggerObjectRenderer
*/
public function getByClassName($class)
{
$r = null;
for($c = strtolower($class); !empty($c); $c = get_parent_class($c)) {
if (isset($this->map[$c])) {
return $this->map[$c];
}
}
return $this->defaultRenderer;
}
/**
* @return LoggerDefaultRenderer
*/
public function getDefaultRenderer()
{
return $this->defaultRenderer;
}
public function clear()
{
$this->map = array();
}
/**
* Register a {@link LoggerObjectRenderer} for clazz.
* @param string $class
* @param LoggerObjectRenderer $or
*/
public function put($class, $or)
{
$this->map[strtolower($class)] = $or;
}
/**
* @param string $class
* @return boolean
*/
public function rendererExists($class)
{
$class = basename($class);
if (!class_exists($class)) {
include_once(LOG4PHP_DIR ."/or/{$class}.php");
}
return class_exists($class);
}
}