/**
* Return's the singleton instance and creates a new one if necessary.
*
* @return \AppserverIo\Properties\PropertiesUtil The singleton instance
*/
public static function singleton()
{
// query whether or not we've already an instance created
if (PropertiesUtil::$instance == null) {
PropertiesUtil::$instance = new PropertiesUtil();
}
// return the singleton instance
return PropertiesUtil::$instance;
}
/**
* Recursively replace variables in the string properties of this node with
* the values found in the passed properties instance.
*
* @param \AppserverIo\Properties\PropertiesInterface $properties The properties with the values to replace
* @param string $pattern The pattern that declares the variables
*
* @return void
*/
public function replaceProperties(PropertiesInterface $properties, $pattern = PropertyStreamFilterParams::PATTERN)
{
// create a reflection object of the node instance
$reflectionObject = new \ReflectionObject($this);
// load the properties utility to replace the propertis in the members
$propertiesUtil = PropertiesUtil::singleton();
// ONLY use PROTECTED properties, NOT PRIVATE, else UUID's will be overwritten!!
foreach ($reflectionObject->getProperties(\ReflectionProperty::IS_PROTECTED) as $reflectionProperty) {
// replace the properties in all string properties
if (is_string($this->{$reflectionProperty->getName()})) {
$this->{$reflectionProperty->getName()} = $propertiesUtil->replacePropertiesInString($properties, $this->{$reflectionProperty->getName()}, $pattern);
}
// recursively invoke the method on the sibeling nodes
if (is_array($this->{$reflectionProperty->getName()})) {
foreach ($this->{$reflectionProperty->getName()} as $node) {
if ($node instanceof NodeInterface) {
$node->replaceProperties($properties, $pattern);
}
}
}
// recursively invoke the method on the sibeling nodes
if ($this->{$reflectionProperty->getName()} instanceof NodeInterface) {
$this->{$reflectionProperty->getName()}->replaceProperties($properties, $pattern);
}
// recursively invoke the method on the sibeling nodes
if ($this->{$reflectionProperty->getName()} instanceof ValueInterface) {
$this->{$reflectionProperty->getName()}->replaceProperties($properties, $pattern);
}
}
}
/**
* Replace the variables in the node's value with the values found in the
* passed properties instance.
*
* @param \AppserverIo\Properties\PropertiesInterface $properties The properties with the values to replace
* @param string $pattern The pattern that declares the variables
*
* @return void
*/
public function replaceProperties(PropertiesInterface $properties, $pattern = PropertyStreamFilterParams::PATTERN)
{
// query whether or not the node value is a string
if (is_string($this->value)) {
// load the properties utility and replace the properties in the node value
$this->value = PropertiesUtil::singleton()->replacePropertiesInString($properties, $this->value, $pattern);
}
}
