/**
* Creates and returns a new Exception instance.
*
* @param string $message The message itself
* @param string $key The key for I18N
* @return Faett_Core_Exceptions_PackageInfoException
*/
public static function create($message, $key = '')
{
// create a new message
$e = new Faett_Core_Exceptions_PackageInfoException($message);
// set the message key
$e->_setKey($key);
// return the message
return $e;
}
/**
* (non-PHPdoc)
* @see lib/Faett/Core/Interfaces/Faett_Core_Interfaces_Service#packageInfo($packageName, $channel)
*/
public function packageInfo($packageName, $channel)
{
// store the default channel
$savechannel = $this->_config->get('default_channel');
// check if the cannel already exists
if ($this->_registry->channelExists($channel)) {
$this->_config->set('default_channel', $channel);
} else {
// throw a new exception
throw Faett_Core_Exceptions_UnknownChannelException::create('Channel ' . $channel . ' does not exist');
}
// load the channel from the registry
$chan = $this->_registry->getChannel($channel);
// initialize a REST command for checking the channel's state
$cmd = new PEAR_Command_Remote($this->_ui, $this->_config);
if (PEAR::isError($e = $cmd->_checkChannelForStatus($channel, $chan))) {
// reset the default channel
$this->_config->set('default_channel', $savechannel);
// throw a new exception
throw Faett_Core_Exceptions_UnknownChannelStateException::create($e->getMessage());
}
// get the channel's base URL
$base = $chan->getBaseURL('REST1.0', $this->_config->get('preferred_mirror'));
// check if the channel's server is REST enabled
$restSupport = $chan->supportsREST($this->_config->get('preferred_mirror'));
// check if the channel is REST enabled
if ($restSupport && $base) {
// load the channel data and the package information
$rest = $this->_config->getREST('1.0', array());
$info = $rest->packageInfo($base, $packageName);
} else {
$r = $this->_config->getRemote();
$info = $r->call('package.info', $packageName);
}
// check if the package information was loaded successfully
if (PEAR::isError($info)) {
// reset the default channel
$this->_config->set('default_channel', $savechannel);
// throw a new exception
throw Faett_Core_Exceptions_PackageInfoException::create($info->getMessage());
}
// if no packge name was found log an error message
if (!isset($info['name'])) {
// reset the default channel
$this->_config->set('default_channel', $savechannel);
// throw a new exception
throw Faett_Core_Exceptions_PackageInfoException::create('Can\'t find a package name');
}
// check if the package is installed
$installed = $this->_registry->packageInfo($info['name'], null, $channel);
// if yes, set the information
$info['installed'] = $installed['version'] ? $installed['version'] : '';
if (is_array($info['installed'])) {
$info['installed'] = $info['installed']['release'];
}
// return the package information
return $info;
}
