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<?php
/**
* Part of the Joomla Framework Application Package
*
* @copyright Copyright (C) 2005 - 2015 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE
*/
namespace Joomla\Application;
use Joomla\Input\Input;
use Joomla\Registry\Registry;
use Psr\Log\LoggerAwareInterface;
use Psr\Log\LoggerInterface;
use Psr\Log\NullLogger;
/**
* Joomla Framework Base Application Class
*
* @since 1.0
*/
abstract class AbstractApplication implements LoggerAwareInterface
{
/**
* The application configuration object.
*
* @var Registry
* @since 1.0
*/
protected $config;
/**
* The application input object.
*
* @var Input
* @since 1.0
*/
public $input = null;
/**
* A logger.
*
* @var LoggerInterface
* @since 1.0
*/
private $logger;
/**
* Class constructor.
*
* @param Input $input An optional argument to provide dependency injection for the application's
* input object. If the argument is a InputCli object that object will become
* the application's input object, otherwise a default input object is created.
* @param Registry $config An optional argument to provide dependency injection for the application's
* config object. If the argument is a Registry object that object will become
* the application's config object, otherwise a default config object is created.
*
* @since 1.0
*/
public function __construct(Input $input = null, Registry $config = null)
{
$this->input = $input instanceof Input ? $input : new Input;
$this->config = $config instanceof Registry ? $config : new Registry;
$this->initialise();
}
/**
* Method to close the application.
*
* @param integer $code The exit code (optional; default is 0).
*
* @return void
*
* @codeCoverageIgnore
* @since 1.0
*/
public function close($code = 0)
{
exit($code);
}
/**
* Method to run the application routines. Most likely you will want to instantiate a controller
* and execute it, or perform some sort of task directly.
*
* @return void
*
* @since 1.0
*/
abstract protected function doExecute();
/**
* Execute the application.
*
* @return void
*
* @since 1.0
*/
public function execute()
{
// @event onBeforeExecute
// Perform application routines.
$this->doExecute();
// @event onAfterExecute
}
/**
* Returns a property of the object or the default value if the property is not set.
*
* @param string $key The name of the property.
* @param mixed $default The default value (optional) if none is set.
*
* @return mixed The value of the configuration.
*
* @since 1.0
*/
public function get($key, $default = null)
{
return $this->config->get($key, $default);
}
/**
* Get the logger.
*
* @return LoggerInterface
*
* @since 1.0
*/
public function getLogger()
{
// If a logger hasn't been set, use NullLogger
if (! ($this->logger instanceof LoggerInterface))
{
$this->logger = new NullLogger;
}
return $this->logger;
}
/**
* Custom initialisation method.
*
* Called at the end of the AbstractApplication::__construct method.
* This is for developers to inject initialisation code for their application classes.
*
* @return void
*
* @codeCoverageIgnore
* @since 1.0
*/
protected function initialise()
{
}
/**
* Modifies a property of the object, creating it if it does not already exist.
*
* @param string $key The name of the property.
* @param mixed $value The value of the property to set (optional).
*
* @return mixed Previous value of the property
*
* @since 1.0
*/
public function set($key, $value = null)
{
$previous = $this->config->get($key);
$this->config->set($key, $value);
return $previous;
}
/**
* Sets the configuration for the application.
*
* @param Registry $config A registry object holding the configuration.
*
* @return AbstractApplication Returns itself to support chaining.
*
* @since 1.0
*/
public function setConfiguration(Registry $config)
{
$this->config = $config;
return $this;
}
/**
* Set the logger.
*
* @param LoggerInterface $logger The logger.
*
* @return AbstractApplication Returns itself to support chaining.
*
* @since 1.0
*/
public function setLogger(LoggerInterface $logger)
{
$this->logger = $logger;
return $this;
}
}