diff --git a/source/lib/DownloadDispatcher/Exceptions.class.php b/source/lib/DownloadDispatcher/Exceptions.class.php
new file mode 100644
index 0000000..5dd1223
--- /dev/null
+++ b/source/lib/DownloadDispatcher/Exceptions.class.php
@@ -0,0 +1,10 @@
+<?php
+
+class DownloadDispatcher_Exception_SourcePluginException     extends DownloadDispatcher_Exception {};
+class DownloadDispatcher_Exception_PreviouslySeenContent     extends DownloadDispatcher_Exception_SourcePluginException {};
+class DownloadDispatcher_Exception_UnidentifiedContent       extends DownloadDispatcher_Exception_SourcePluginException {};
+class DownloadDispatcher_Exception_UnacceptableContent       extends DownloadDispatcher_Exception_SourcePluginException {};
+class DownloadDispatcher_Exception_DuplicateContent          extends DownloadDispatcher_Exception_SourcePluginException {};
+class DownloadDispatcher_Exception_UnprocesseableContent     extends DownloadDispatcher_Exception_SourcePluginException {}; 
+
+?>
\ No newline at end of file