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+++ b/rdpl2stream/XspfPlaylistDecoder.py
@@ -0,0 +1,69 @@
+##########################################################################
+# Copyright 2009 Carlos Ribeiro
+#
+# This file is part of Radio Tray
+#
+# Radio Tray is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 1 of the License, or
+# (at your option) any later version.
+#
+# Radio Tray is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Radio Tray.  If not, see <http://www.gnu.org/licenses/>.
+#
+##########################################################################
+import urllib2
+from lxml import etree
+from lxml import objectify
+from StringIO import StringIO
+from lib.common import USER_AGENT
+import logging
+
+class XspfPlaylistDecoder:
+
+    def __init__(self):
+        self.log = logging.getLogger('radiotray')
+        self.log.debug('XSPF playlist decoder')
+
+
+    def isStreamValid(self, contentType, firstBytes):
+
+        if('application/xspf+xml' in contentType):
+            self.log.info('Stream is readable by XSPF Playlist Decoder')
+            return True
+        else:
+            return False
+        
+
+
+    def extractPlaylist(self,  url):
+
+        self.log.info('Downloading playlist...')
+
+        req = urllib2.Request(url)
+        req.add_header('User-Agent', USER_AGENT)
+        f = urllib2.urlopen(req)
+        str = f.read()
+        f.close()
+
+        self.log.info('Playlist downloaded')
+        self.log.info('Decoding playlist...')
+
+        parser = etree.XMLParser(recover=True)
+        root = etree.parse(StringIO(str),parser)
+
+        elements = root.xpath("//xspf:track/xspf:location",namespaces={'xspf':'http://xspf.org/ns/0/'})
+
+        result = []
+        for r in elements:
+            result.append(r.text)
+
+        if (len(result) > 0):
+            return result
+        else:
+            return None