def __init__(self):
self.client = RealClient()
self.playlistManager = PlaylistManager(self.client);
self.invoker = LoggingInvoker()
class PlaylistClient():
def __init__(self):
self.client = RealClient()
self.playlistManager = PlaylistManager(self.client);
self.invoker = LoggingInvoker()
def playNextAlbum(self):
command = PlayNextAlbumCommand(self.playlistManager)
self.invoker.setCommand(command)
try:
self.invoker.executeCommand()
except PlaylistManagerException as detail:
print "Exception occurred: ", detail.msg
self.client.reset()
def playPreviousAlbum(self):
command = PlayPreviousAlbumCommand(self.playlistManager)
self.invoker.setCommand(command)
try:
self.invoker.executeCommand()
except PlaylistManagerException as detail:
print "Exception occurred: ", detail.msg
self.client.reset()
def playNextSong(self):
command = PlayNextSongCommand(self.playlistManager)
self.invoker.setCommand(command)
try:
self.invoker.executeCommand()
except PlaylistManagerException as detail:
print "Exception occurred: ", detail.msg
self.client.reset()
def playPreviousSong(self):
command = PlayPreviousSongCommand(self.playlistManager)
self.invoker.setCommand(command)
try:
self.invoker.executeCommand()
except PlaylistManagerException as detail:
print "Exception occurred: ", detail.msg
self.client.reset()