-    private static final String TYPE_APPLICATION = "application";\r
-    private static final String TYPE_AUDIO = "audio";\r
-    private static final String TYPE_IMAGE = "image";\r
-    private static final String TYPE_TXT = "text";\r
-    private static final String TYPE_VIDEO = "video";\r
-    \r
-    private static final String SUBTYPE_PDF = "pdf";\r
-    private static final String SUBTYPE_XML = "xml";\r
-    private static final String[] SUBTYPES_DOCUMENT = { \r
-        "msword",\r
-        "vnd.openxmlformats-officedocument.wordprocessingml.document",\r
-        "vnd.oasis.opendocument.text",\r
-        "rtf",\r
-        "javascript"\r
-    };\r
-    private static Set<String> SUBTYPES_DOCUMENT_SET = new HashSet<String>(Arrays.asList(SUBTYPES_DOCUMENT));\r
-    private static final String[] SUBTYPES_SPREADSHEET = {\r
-        "msexcel",\r
-        "vnd.ms-excel",\r
-        "vnd.openxmlformats-officedocument.spreadsheetml.sheet",\r
-        "vnd.oasis.opendocument.spreadsheet"\r
-    };\r
-    private static Set<String> SUBTYPES_SPREADSHEET_SET = new HashSet<String>(Arrays.asList(SUBTYPES_SPREADSHEET));\r
-    private static final String[] SUBTYPES_PRESENTATION = { \r
-        "mspowerpoint",\r
-        "vnd.ms-powerpoint",\r
-        "vnd.openxmlformats-officedocument.presentationml.presentation",\r
-        "vnd.oasis.opendocument.presentation"\r
-    };\r
-    private static Set<String> SUBTYPES_PRESENTATION_SET = new HashSet<String>(Arrays.asList(SUBTYPES_PRESENTATION));\r
-    private static final String[] SUBTYPES_COMPRESSED = {"x-tar", "x-gzip", "zip"};\r
-    private static final Set<String> SUBTYPES_COMPRESSED_SET = new HashSet<String>(Arrays.asList(SUBTYPES_COMPRESSED));\r
-    private static final String SUBTYPE_OCTET_STREAM = "octet-stream";\r
-    private static final String EXTENSION_RAR = "rar";\r
-    private static final String EXTENSION_RTF = "rtf";\r
-    private static final String EXTENSION_3GP = "3gp";\r
-    private static final String EXTENSION_PY = "py";\r
-    private static final String EXTENSION_JS = "js";\r
-    \r