/**
* Creates and returns a new Exception instance.
*
* @param string $message The message itself
* @param string $key The key for I18N
* @return Faett_Core_Exceptions_ChannelNotRESTEnabledException
*/
public static function create($message, $key = '')
{
// create a new message
$e = new Faett_Core_Exceptions_NoPackageListException($message);
// set the message key
$e->_setKey($key);
// return the message
return $e;
}
/**
* (non-PHPdoc)
* @see lib/Faett/Core/Interfaces/Faett_Core_Interfaces_Service#listPackages($channelName)
*/
public function listPackages($channelName)
{
// store the default channel
$savechannel = $this->_config->get('default_channel');
// check if the cannel already exists
if ($this->channelExists($channelName)) {
// if yes, set it as the default channel
$this->_config->set('default_channel', $channelName);
} else {
// initialize the options and the parameters
$opts = array();
$params = array($channelName);
// try to discover channel
$this->channelDiscover($opts, $params);
// check if the cannel already exists
if (!$this->channelExists($channelName)) {
throw Faett_Core_Exceptions_UnknownChannelException::create($channelName, '201.error.channel-does-not-exists');
}
}
// load the channel itself from the PEAR registry
$chan = $this->_registry->getChannel($channelName);
// initialize a REST command for checking the channel's state
$cmd = new PEAR_Command_Remote($this->_ui, $this->_config);
// check the channel's state
$e = $cmd->_checkChannelForStatus($channelName, $chan);
if (PEAR::isError($e)) {
// if an error occurs, reset to the default channel
$this->_config->set('default_channel', $savechannel);
// continue with the next channel
throw Faett_Core_Exceptions_UnknownChannelStateException::create($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 channel's packages
$rest = $this->_config->getREST('1.0', array());
$packages = $rest->listPackages($base);
} else {
// if not, reset to the default channel
$this->_config->set('default_channel', $savechannel);
// continue with the next channel
throw Faett_Core_Exceptions_ChannelNotRESTEnabledException::create($channelName, '201.error.channel-no-rest');
}
// check if the channel's packages was loaded successfully
if (PEAR::isError($packages)) {
// if not, reset to the default channel
$this->_config->set('default_channel', $savechannel);
// continue with the next channel
throw Faett_Core_Exceptions_NoPackageListException::create($packages->getMessage(), '201.error.no-package-list');
}
// set the default channel again
$this->_config->set('default_channel', $savechannel);
// return the packages
return $packages;
}
