src/Mapper/FileSystem/FileSystemMapper.php
public function findParameter($parameter, $name = null)
    {
        if ($parameter instanceof ParameterInterface) {
            $namespace = $parameter->getNamespace();
            $name = $parameter->getName();
            $data = $this->read($namespace);
            $parameter->setValue($data[$name]);

            return $parameter;
        } elseif (!is_string($parameter)) {
            throw new Exception\InvalidArgumentException(
                sprintf(
                    '%s expects parameter 1 to be string or an instance of HtSettingsModule\Entity\ParameterInterface, %s provided instead',
                    __METHOD__,
                    is_object($parameter) ? get_class($parameter) : gettype($parameter)
                )
            );
        }

        $namespace = $parameter;
        $data = $this->read($namespace);
        $parameter = clone $this->entityPrototype;
        $parameter->setName($name);
        $parameter->setValue($data[$name]);
        $parameter->setNamespace($namespace);

        return $parameter;
    }
public function findParameter($parameter, $name = null)
    {
        if ($parameter instanceof ParameterInterface) {
            $namespace = $parameter->getNamespace();
            $name = $parameter->getName();
            $data = $this->read($namespace);
            $parameter->setValue($data[$name]);

            return $parameter;
        } elseif (!is_string($parameter)) {
            throw new Exception\InvalidArgumentException(
                sprintf(
                    '%s expects parameter 1 to be string or an instance of HtSettingsModule\Entity\ParameterInterface, %s provided instead',
                    __METHOD__,
                    is_object($parameter) ? get_class($parameter) : gettype($parameter)
                )
            );
        }

        $namespace = $parameter;
        $data = $this->read($namespace);
        $parameter = clone $this->entityPrototype;
        $parameter->setName($name);
        $parameter->setValue($data[$name]);
        $parameter->setNamespace($namespace);

        return $parameter;
    }
{@inheritDoc}